Cabletron Systems Switch 2H28 08R User Manual

2H28-08R  
SmartSwitch 2208  
User’s Guide  
9032380-03  
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Only qualified personnel should perform installation  
procedures.  
NOTICE  
Cabletron Systems reserves the right to make changes in specifications and other information  
contained in this document without prior notice. The reader should in all cases consult Cabletron  
Systems to determine whether any such changes have been made.  
The hardware, firmware, or software described in this manual is subject to change without notice.  
IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL,  
INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING BUT  
NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS MANUAL OR  
THE INFORMATION CONTAINED IN IT, EVEN IF CABLETRON SYSTEMS HAS BEEN  
ADVISED OF, KNOWN, OR SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH  
DAMAGES.  
1998 by Cabletron Systems, Inc., P.O. Box 5005, Rochester, NH 03866-5005  
All Rights Reserved  
Printed in the United States of America  
Order Number: 9032380-03 October 1998  
Cabletron Systems, SPECTRUM, SecureFast, QuickSet, and LANVIEW are registered  
trademarks and SmartSwitch is a trademark of Cabletron Systems, Inc.  
All other product names mentioned in this manual may be trademarks or registered trademarks of  
their respective companies.  
FCC NOTICE  
This device complies with Part 15 of the FCC rules. Operation is subject to the following two  
conditions: (1) this device may not cause harmful interference, and (2) this device must accept any  
interference received, including interference that may cause undesired operation.  
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital  
device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable  
protection against harmful interference when the equipment is operated in a commercial environment.  
This equipment uses, generates, and can radiate radio frequency energy and if not installed in  
accordance with the operator’s manual, may cause harmful interference to radio communications.  
Operation of this equipment in a residential area is likely to cause interference in which case the user  
will be required to correct the interference at his own expense.  
WARNING: Changes or modifications made to this device which are not expressly approved by the  
party responsible for compliance could void the user’s authority to operate the equipment.  
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Notice  
INDUSTRY CANADA NOTICE  
This digital apparatus does not exceed the Class A limits for radio noise emissions from digital  
apparatus set out in the Radio Interference Regulations of the Canadian Department of  
Communications.  
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables  
aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique  
édicté par le ministère des Communications du Canada.  
VCCI NOTICE  
This is a Class A product based on the standard of the Voluntary Control Council for Interference by  
Information Technology Equipment (VCCI). If this equipment is used in a domestic environment,  
radio disturbance may arise. When such trouble occurs, the user may be required to take corrective  
actions.  
CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT  
IMPORTANT: Before utilizing this product, carefully read this License Agreement.  
This document is an agreement between you, the end user, and Cabletron Systems, Inc. (“Cabletron”)  
that sets forth your rights and obligations with respect to the Cabletron software program (the  
“Program”) contained in this package. The Program may be contained in firmware, chips or other  
media. BY UTILIZING THE ENCLOSED PRODUCT, YOU ARE AGREEING TO BECOME  
BOUND BY THE TERMS OF THIS AGREEMENT, WHICH INCLUDES THE LICENSE AND  
THE LIMITATION OF WARRANTY AND DISCLAIMER OF LIABILITY. IF YOU DO NOT  
AGREE TO THE TERMS OF THIS AGREEMENT, PROMPTLY RETURN THE UNUSED  
PRODUCT TO THE PLACE OF PURCHASE FOR A FULL REFUND.  
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Notice  
CABLETRON SOFTWARE PROGRAM LICENSE  
1.  
LICENSE. You have the right to use only the one (1) copy of the Program provided in this  
package subject to the terms and conditions of this License Agreement.  
You may not copy, reproduce or transmit any part of the Program except as permitted by the  
Copyright Act of the United States or as authorized in writing by Cabletron.  
2.  
3.  
OTHER RESTRICTIONS. You may not reverse engineer, decompile, or disassemble the  
Program.  
APPLICABLE LAW. This License Agreement shall be interpreted and governed under the laws  
and in the state and federal courts of New Hampshire. You accept the personal jurisdiction and  
venue of the New Hampshire courts.  
EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY  
1.  
EXCLUSION OF WARRANTY. Except as may be specifically provided by Cabletron in  
writing, Cabletron makes no warranty, expressed or implied, concerning the Program (including  
its documentation and media).  
CABLETRON DISCLAIMS ALL WARRANTIES, OTHER THAN THOSE SUPPLIED TO  
YOU BY CABLETRON IN WRITING, EITHER EXPRESSED OR IMPLIED, INCLUDING  
BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND  
FITNESS FOR A PARTICULAR PURPOSE, WITH RESPECT TO THE PROGRAM, THE  
ACCOMPANYING WRITTEN MATERIALS, AND ANY ACCOMPANYING HARDWARE.  
2.  
NO LIABILITY FOR CONSEQUENTIAL DAMAGES. IN NO EVENT SHALL  
CABLETRON OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER  
(INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS,  
PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, SPECIAL,  
INCIDENTAL, CONSEQUENTIAL, OR RELIANCE DAMAGES, OR OTHER LOSS)  
ARISING OUT OF THE USE OR INABILITY TO USE THIS CABLETRON PRODUCT,  
EVEN IF CABLETRON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH  
DAMAGES. BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR  
LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR  
ON THE DURATION OR LIMITATION OF IMPLIED WARRANTIES, IN SOME  
INSTANCES THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO  
YOU.  
UNITED STATES GOVERNMENT RESTRICTED RIGHTS  
The enclosed product (a) was developed solely at private expense; (b) contains “restricted computer  
software” submitted with restricted rights in accordance with Section 52227-19 (a) through (d) of the  
Commercial Computer Software - Restricted Rights Clause and its successors, and (c) in all respects  
is proprietary data belonging to Cabletron and/or its suppliers.  
For Department of Defense units, the product is licensed with “Restricted Rights” as defined in the  
DoD Supplement to the Federal Acquisition Regulations, Section 52.227-7013 (c) (1) (ii) and its  
successors, and use, duplication, disclosure by the Government is subject to restrictions as set forth in  
subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at  
252.227-7013. Cabletron Systems, Inc., 35 Industrial Way, Rochester, New Hampshire 03867-0505.  
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Notice  
SAFETY INFORMATION  
CLASS 1 LASER TRANSCEIVERS  
THE FE-100F3 FAST ETHERNET INTERFACE MODULE, FPIM-05 AND  
FPIM-07 FDDI PORT INTERFACE MODULES, AND APIM-29 ATM  
PORT INTERFACE MODULE USE CLASS 1 LASER TRANSCEIVERS.  
READ THE FOLLOWING SAFETY INFORMATION BEFORE  
INSTALLING OR OPERATING THESE MODULES.  
The Class 1 laser transceivers use an optical feedback loop to maintain Class 1 operation limits. This  
control loop eliminates the need for maintenance checks or adjustments. The output is factory set, and  
does not allow any user adjustment. Class 1 Laser transceivers comply with the following safety  
standards:  
21 CFR 1040.10 and 1040.11 U.S. Department of Health and Human Services (FDA).  
IEC Publication 825 (International Electrotechnical Commission).  
CENELEC EN 60825 (European Committee for Electrotechnical Standardization).  
When operating within their performance limitations, laser transceiver output meets the Class 1  
accessible emission limit of all three standards. Class 1 levels of laser radiation are not considered  
hazardous.  
SAFETY INFORMATION  
CLASS 1 LASER TRANSCEIVERS  
LASER RADIATION AND CONNECTORS  
When the connector is in place, all laser radiation remains within the fiber. The maximum amount of  
-6  
radiant power exiting the fiber (under normal conditions) is -12.6 dBm or 55 x 10 watts.  
Removing the optical connector from the transceiver allows laser radiation to emit directly from the  
optical port. The maximum radiance from the optical port (under worst case conditions) is  
-2  
3
2
0.8 W cm or 8 x 10 W m sr-1.  
Do not use optical instruments to view the laser output. The use of optical instruments to view  
laser output increases eye hazard. When viewing the output optical port, power must be  
removed from the network adapter.  
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Notice  
DECLARATION OF CONFORMITY  
Application of Council Directive(s): 89/336/EEC  
73/23/EEC  
Manufacturer’s Name: Cabletron Systems, Inc.  
Manufacturer’s Address: 35 Industrial Way  
PO Box 5005  
Rochester, NH 03867  
European Representative Name: Mr. J. Solari  
European Representative Address: Cabletron Systems Limited  
Nexus House, Newbury Business Park  
London Road, Newbury  
Berkshire RG13 2PZ, England  
Conformance to Directive(s)/Product Standards: EC Directive 89/336/EEC  
EC Directive 73/23/EEC  
EN 55022  
EN 50082-1  
EN 60950  
Equipment Type/Environment: Networking Equipment, for use in a  
Commercial or Light Industrial  
Environment.  
We the undersigned, hereby declare, under our sole responsibility, that the equipment packaged  
with this notice conforms to the above directives.  
Manufacturer  
Legal Representative in Europe  
Mr. Ronald Fotino  
Mr. J. Solari  
___________________________________  
___________________________________  
Full Name  
Full Name  
Principal Compliance Engineer  
Managing Director - E.M.E.A.  
___________________________________  
___________________________________  
Title  
Title  
Rochester, NH, USA  
Newbury, Berkshire, England  
___________________________________  
___________________________________  
Location  
Location  
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Notice  
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CHAPTER 1  
1.3.10 Port Redirect Function.................................................... 1-6  
1.3.12 Standards Compatibility.................................................. 1-6  
1.6 Getting Help................................................................................. 1-9  
CHAPTER 2  
CHAPTER 3  
3.4.1 Tabletop or Shelf Installation .......................................... 3-3  
3.4.3 Connecting Power to the Device .................................... 3-7  
3.5 Connecting to the Network .......................................................... 3-8  
3.5.1 Connecting Fiber Optic Cables to Ports 1 Through 6..... 3-8  
3.5.2 Connecting a UTP Segment to the FE-100TX.............. 3-11  
3.5.3 Connecting a Fiber Optic Segment to the  
FE-100FX and FE-100F3 ............................................. 3-13  
3.6 Completing the Installation ........................................................ 3-15  
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Contents  
CHAPTER 4  
CHAPTER 5  
5.8.1 Establishing Community Names ...................................5-33  
5.9 SNMP Traps Screen..................................................................5-34  
5.9.1 Configuring the Trap Table............................................5-35  
5.10 Switch Configuration Screen......................................................5-36  
5.10.1 Setting the STA .............................................................5-38  
5.10.2 Setting the Age Time Field............................................5-39  
5.10.3 Setting (Enabling or Disabling) the Port Status.............5-39  
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5.19.2 Using the Clear Counters Command............................ 5-67  
APPENDIX A  
A.2 Physical Properties......................................................................A-1  
A.3 Electrical Specifications...............................................................A-1  
A.4 Environmental Requirements ......................................................A-2  
A.5 Input/Output Ports .......................................................................A-2  
A.6 COM Pinout Assignments ...........................................................A-2  
A.7 Regulatory Compliance ...............................................................A-3  
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Contents  
APPENDIX B  
APPENDIX C  
MODE SWITCH BANK SETTINGS  
C.1 Required Tools............................................................................C-2  
C.2 Removing the Chassis Cover .....................................................C-2  
C.2.1 Setting the Mode Switch.................................................C-4  
C.3 Installing Optional Fast Ethernet Interface Modules ...................C-6  
INDEX  
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CHAPTER 1  
INTRODUCTION  
Welcome to the 2H28-08R SmartSwitch 2208 User’s Guide.  
This guide provides the necessary documentation to install and operate  
the 2H28-08R SmartSwitch 2208 devices and provides information  
concerning network requirements, troubleshooting, and the use of Local  
Management.  
1.1  
USING THIS GUIDE  
Read through this guide to completely understand the 2H28-08R  
capabilities and Local Management functions. A general working  
knowledge of Ethernet and IEEE 802.3 type data communications  
device.  
1.2  
This guide is organized as follows:  
Chapter 1, Introduction, outlines the contents of this manual and briefly  
describes the 2H28-08R features. Directions about how to obtain  
Chapter 2, Network Requirements, explains the network requirements  
Chapter 3, Installation, provides instructions on how to install the  
Chapter 4, Troubleshooting, describes the function of the LANVIEW  
LEDs, which can help to quickly diagnose network/operational problems.  
Chapter 5, Local Management, describes how to access and use Local  
Management to configure and manage the 2H28-08R.  
Appendix A, Specifications, contains information on functional and  
operational specifications, connector pinouts, environmental  
requirements, and physical properties.  
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Chapter 1: Introduction  
Appendix B, FE-100TX, FE-100FX and FE-100F3 Specifications,  
contains information about FE-100TX pinouts and information  
concerning cable types used with the FE-100FX and FE-100F3.  
Appendix C, Optional Installations and Mode Switch Bank Settings,  
describes how to install optional Fast Ethernet Interface Modules and how  
to set the Mode Switch.  
1.3  
2H28-08R OVERVIEW  
The 2H28-08R (Figure 1-1) is a switching device that provides six fixed  
100BASE-FX Fast Ethernet ports using multimode fiber optic cable. Each  
Ethernet segment supports 802.1D switching (bridging), IEEE 802.1Q  
switching, and Cabletron Systems SecureFast Switching Virtual Network  
technology.  
Optional Fast  
Ethernet Interface  
Module Ports 7 & 8  
Switched Ethernet Ports  
Port LEDs  
System LEDs  
Receive (RX)  
Transmit (TX)  
LEDs  
COM Port  
RESET Button  
2380_02  
Figure 1-1 2H28-08R  
The 2H28-08R also has two slots (7 and 8) for optional Fast Ethernet  
Interface Modules.  
The device bridges each Ethernet segment to the other switch ports, and  
to the optional interface modules in port slots 7 and 8. The optional Fast  
Ethernet Interface Modules provide uplinks to 100BASE-TX or  
100BASE-FX Fast Ethernet networks, and connectivity to 10BASE-T.  
1-2  
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2H28-08R Overview  
The 2H28-08R may be used as a tabletop unit or can be installed in a  
standard 19-inch rack using the supplied rack mounting hardware.  
The 2H28-08R has two power supplies. Both are universal ac power  
supplies with automatic voltage sensing that allows operation using  
100–125 or 200–240 Vac, 50/60 Hz. The power supplies load share 50%  
(+/-5%) of the power required by the device. If one power supply fails, the  
remaining power supply assumes the entire load of the device without  
interruption to network traffic. Each power supply module supports its  
own ac input connection, which allows the user to connect each power  
supply to a different ac power circuit.  
1.3.1  
Connectivity  
The six fixed ports on the 2H28-08R connect to Ethernet networks or  
workstations using SC fiber optic connectors.  
The 2H28-08R has two front panel slots (ports 7 and 8) for optional Fast  
Ethernet Interface Modules to support an uplink to 100 Mbps Fast  
Ethernet backbones, a high speed connection to a local server, or a  
connection to 10BASE-T.  
1.3.2  
Switching Options  
The 2H28-08R provides traditional switching (IEEE 802.1D bridging),  
IEEE 802.1Q, or SecureFast Switching Virtual Network Services between  
all of the front panel interfaces including the optional Fast Ethernet  
Interface Modules. SecureFast Switching and IEEE 802.1Q allow for  
migration to Virtual Network technologies without requiring the  
replacement of existing equipment.  
1.3.3  
Full Duplex Switched Ethernet  
All the ports for the 2H28-08R, including the optional modules, can be  
configured to operate in Full Duplex Switched Ethernet mode, which  
provides 200 Mbps of throughput.  
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Chapter 1: Introduction  
1.3.4  
SmartTrunk  
SmartTrunk, also referred to as SmartTrunking, is Cabletron Systems’  
terminology for load balancing or load sharing. SmartTrunk technology  
provides an easy-to-implement mechanism to group, or aggregate,  
multiple physical links together to scale the backbone bandwidth beyond  
the limitations of a single link. All links are user-configurable so  
administrators can scale the backbone bandwidth by adding SmartTrunk  
links. The SmartTrunk benefits are as follows:  
All purchased bandwidth is used.  
Distributed, resilient links increase reliability and performance.  
Multiple technologies are supported within a single trunk for  
maximum flexibility.  
For more information about SmartTrunk, refer to the Cabletron Systems  
SmartTrunk User’s Guide.  
1.3.5  
Runtime IP Address Discovery  
This feature enables the 2H28-08R to automatically accept an IP address  
from a Bootstrap Protocol (BootP) server on the network into NVRAM  
without requiring a user to enter an IP address through Local  
Management.  
When the 2H28-08R is connected to the network and powered up,  
Runtime IP Address Discovery (RAD) checks the 2H28-08R for an IP  
address. If one has not been assigned (2H28-08R default IP address set to  
0.0.0.0), RAD checks to see if any of the 2H28-08R interfaces have a link.  
If so, RAD sends out Reverse Address Resolution Protocol (RARP) and  
BootP requests to obtain an IP address from a BootP server on the  
network.  
The RAD requests start out at an interval of 1 second. The interval then  
doubles after every transmission until an interval of 300 seconds is  
reached. At this point, the interval remains at 300 seconds. The RAD  
requests continue until an IP address is received from a BootP server, or  
an IP address is entered using Local Management.  
1-4  
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2H28-08R Overview  
1.3.6  
Management  
Management of the 2H28-08R is accomplished using SNMP compliant  
management tools for in-band Local Management. Out-of-band Local  
Management is provided through the RJ45 COM port on the front panel  
using a VT100 terminal or a VT100 terminal emulator. In-band remote  
management is possible through any SNMP compliant Network  
Management Software.  
Local Management provides the ability to manage the 2H28-08R and any  
of the optional Fast Ethernet Interface Modules installed in ports 7 and 8.  
1.3.7  
Remote Monitoring (RMON)  
The 2H28-08R supports all Ethernet RMON groups, which include  
Statistics, Alarms, Events and History. These groups are enabled on all  
ports by default.  
Cabletron Systems RMON Actions is a vendor specific extension of  
RMON and provides the ability to set an “Action” on any SNMP MIB  
variable. The Action can be triggered by any RMON Event and/or Alarm.  
An example of an Action would be to turn off a MIB-2 interface if a  
broadcast threshold is crossed.  
1.3.8  
LANVIEW Diagnostic LEDs  
LANVIEW diagnostic LEDs serve as an important troubleshooting aid by  
providing an easy way to observe the status of individual ports and overall  
network operations.  
1.3.9  
Broadcast Suppression  
Broadcast Suppression allows a user to set a desired limit of receive  
broadcast frames per port/per second to be forwarded out the other ports  
on the module up to the set limit. Any broadcast frames above this  
specified limit are dropped. In the event that broadcast frames are being  
suppressed, multicast and unicast frames continue to be switched.  
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Chapter 1: Introduction  
1.3.10 Port Redirect Function  
The port redirect function, also referred to as “Port Mirroring,” is a  
troubleshooting tool used to map traffic from a single source port or  
multiple source ports to a destination port(s) within the chassis. This  
feature functions at the bit level, which allows all packets, including those  
with errors, to be copied and sent to an analyzer or RMON probe. The  
analyzer or RMON probe will see the data as if it is directly connected to  
the LAN segment of the source port(s).  
1.3.11 Year 2000 Compliance  
The 2H28-08R has an internal clock that can maintain the time and date  
beyond the year 1999.  
1.3.12 Standards Compatibility  
The 2H28-08R is fully compliant with the IEEE 802.3 standard. The  
optional Fast Ethernet Interface Modules are fully compliant with the  
IEEE 802.3u standard.The 2H28-08R provides IEEE 802.1D Spanning  
Tree Algorithm (STA) support to enhance the overall reliability of the  
network and protect against “loop” conditions. The 2H28-08R supports a  
wide variety of industry standard MIBs including RFC 1213 (MIB II),  
RFC 1757 (RMON), RFC 1493 (Bridge MIB), RFC 1354 (FIB MIB),  
RFC 1191 (Path MTU Discovery), and RFC 1317 (RS232 MIB). A full  
suite of Cabletron Systems Enterprise MIBs provide a wide array of  
statistical information to enhance troubleshooting.  
1-6  
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Optional Features  
1.4  
OPTIONAL FEATURES  
Optional Fast Ethernet Interface Modules are available from Cabletron  
Systems to support uplinks to 100 Mbps Fast Ethernet backbones or high  
speed connections to local servers. The Fast Ethernet Interface Modules  
are listed in Table 1-1.  
.
Table 1-1 Fast Ethernet Interface Modules  
P/N  
Description  
Application  
Supports Category 5 Unshielded Twisted Pair  
(UTP) cabling, which has an impedance of 85 to  
111 ohms.  
Uses RJ45  
connector  
FE-100TX  
Uses SC  
connector  
FE-100FX  
FE-100F3  
Supports multimode fiber optic cabling.  
Supports single mode fiber optic cabling.  
Uses SC  
connector  
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Chapter 1: Introduction  
1.5  
DOCUMENT CONVENTIONS  
The following conventions are used throughout this document:  
Note symbol. Calls the reader’s attention to any item of  
information that may be of special importance.  
NOTE  
Tip symbol. Conveys helpful hints concerning procedures or  
actions.  
TIP  
Caution symbol. Contains information essential to avoid  
damage to the equipment.  
!
CAUTION  
Electrical Hazard Warning symbol. Warns against an action  
that could result in personal injury or death due to an electrical  
hazard.  
Warning symbol. Warns against an action that could result in  
WARNING  
personal injury or death.  
1-8  
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Getting Help  
1.6  
GETTING HELP  
For additional support related to this device or document, contact the  
Cabletron Systems Global Call Center:  
World Wide Web  
Phone  
http://www.cabletron.com/  
(603) 332-9400  
Internet mail  
FTP  
ftp://ftp.cabletron.com/  
anonymous  
Login  
Password  
your email address  
To send comments or suggestions concerning this document, contact the  
Cabletron Systems Technical Writing Department via the following  
email address: [email protected]  
Make sure to include the document Part Number in the email message.  
Before calling the Cabletron Systems Global Call Center, have the  
following information ready:  
Your Cabletron Systems service contract number  
A description of the failure  
A description of any action(s) already taken to resolve the problem  
(e.g., changing mode switches, rebooting the unit, etc.)  
The serial and revision numbers of all involved Cabletron Systems  
products in the network  
A description of your network environment (layout, cable type, etc.)  
Network load and frame size at the time of trouble (if known)  
The device history (i.e., have you returned the device before, is this a  
recurring problem, etc.)  
Any previous Return Material Authorization (RMA) numbers  
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Chapter 1: Introduction  
1.7  
RELATED MANUALS  
The following manuals may help to set up, control, and manage the  
2E4X-27:  
Cabletron Systems HSIM-A6DP User’s Guide  
Cabletron Systems HSIM-F6 User’s Guide  
Cabletron Systems HSIM-FE6 User’s Guide  
Cabletron Systems HSIM-W6 Installation Guide  
Cabletron Systems HSIM-W84 Installation Guide  
Cabletron Systems HSIM-W87 User’s Guide  
Cabletron Systems HSIM-G01/G09 User’s Guide  
Cabletron Systems Ethernet Technology Guide  
Cabletron Systems Cabling Guide  
Cabletron Systems Port Based VLAN User’s Guide  
Cabletron Systems SmartTrunk User’s Guide  
These manuals can be obtained from the World Wide Web in Adobe  
Acrobat Portable Document Format (PDF) at the following site:  
http://www.cabletron.com/  
All documentation for the Cabletron Systems SecureFast VLAN  
Manager software is contained on the VLAN Manager  
NOTE  
CD-ROM.  
The documentation for the HSIM-W6 and HSIM-W64 are on  
the QuickSET CD-ROM.  
1-10  
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CHAPTER 2  
Before installing the 2H28-08R or Fast Ethernet Interface Modules  
(FE-100TX, FE-100FX, or FE-100F3), review the requirements and  
specifications referred to in this chapter concerning the following:  
SmartTrunk (Section 2.1)  
100BASE-FX Fiber Optic Network (Section 2.2)  
100BASE-TX Twisted Pair Network (Section 2.3)  
The network installation must meet the guidelines to ensure satisfactory  
performance of this equipment. Failure to follow the guidelines may  
produce poor network performance.  
The Cabletron Systems Cabling Guide, referred to in the  
following sections, can be found on the Cabletron Systems  
NOTE  
World Wide Web site: http://www.cabletron.com/  
2.1  
SmartTrunk  
To connect the 2H28-08R to a network so it can take advantage of the  
SmartTrunk feature, there are certain rules concerning port connections  
and configurations that must be followed for proper operation. Refer to  
the Cabletron Systems SmartTrunk User’s Guide for additional  
information.  
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Chapter 2: Network Requirements  
2.2  
100BASE-FX FIBER OPTIC NETWORK  
The 2H28-08R has six SC fiber optic ports designed for use  
with multimode fiber. Use of incorrect cabling may cause  
network problems.  
NOTE  
Ports 1 through 6 of the 2H28-08R support the multimode 100BASE-FX  
interface. Ports 7 and 8 of the 2H28-08R support the Cabletron Systems  
FE-100FX and FE-100F3 fiber optic interface modules. The FE-100FX is  
designed for use with multimode fiber optic cable, while the FE-100F3 is  
designed for use with single mode fiber optic cable.  
The device at the other end of the fiber optic segment must meet the  
100BASE-FX Fast Ethernet network requirements to operate at  
100 Mbps.  
Multimode Fiber Optic Cable Length  
The multimode fiber optic cable specifications for a 100BASE-FX  
segment is covered in the Cabletron Systems Cabling Guide.  
Single Mode Fiber Cable Lengths  
With the installation of an optional FE-100F3, single mode fiber optic  
cable may be used to make a connection to a similar device at the other  
end of the fiber. The maximum single mode fiber optic length of a  
100BASE-FX segment may be no more than 5 km between Data  
Terminal Equipment (DTE to DTE) in half duplex mode or 20 km (DTE  
to DTE) in full duplex mode. Refer to Appendix B for more information  
on single mode fiber cable.  
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100BASE-TX Network  
2.3  
100BASE-TX NETWORK  
The 2H28-08R, with an optional FE-100TX installed in port 7 or 8,  
provides an RJ45 connection that supports UTP cabling. The device at the  
other end of the twisted pair segment must meet IEEE 802.3u  
100BASE-TX Fast Ethernet network requirements for the devices to  
operate at 100 Mbps. Refer to the Cabletron Systems Cabling Guide for  
details.  
The 2H28-08R with an FE-100TX installed is capable of  
operating at either 10 or 100 Mbps. The FE-100TX can be set  
NOTE  
to automatically sense the speed of the other device and adjust  
its speed accordingly.  
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Chapter 2: Network Requirements  
2-4  
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CHAPTER 3  
INSTALLATION  
This chapter provides the instructions to install the 2H28-08R. Follow the  
Required Tools (Section 3.1)  
Unpacking the 2H28-08R (Section 3.2)  
Installing Optional Equipment (Section 3.3)  
Installing the 2H28-08R (on a shelf, tabletop, or into a standard rack)  
(Section 3.4)  
Connecting to the Network (Section 3.5)  
Completing the Installation (Section 3.6)  
3.1  
REQUIRED TOOLS  
A Phillips screwdriver is required to install the 2H28-08R in a rack, and to  
install any optional Fast Ethernet Interface Modules.  
3.2  
UNPACKING THE 2H28-08R  
To unpack the 2H28-08R and verify the contents of the shipment, proceed  
as follows:  
1. Open the carton and remove the packing material protecting the  
2H28-08R.  
2. Verify the contents of the carton as listed in Table 3-1.  
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Chapter 3: Installation  
Table 3-1 Contents of 2H28-08R Carton  
Item  
Quantity  
2H28-08R  
1
1
1
1
1
1
2
Antistatic Wrist Strap  
Console Cable Kit  
Rackmount Kit  
Strain-Relief Bracket  
Manual Accessory Kit  
Power Cords  
3. Remove the black and yellow tape seal on the non-conductive bag to  
remove the 2H28-08R.  
4. Perform a visual inspection of the device for any signs of physical  
damage. If there are any items missing or damaged, contact the  
Getting Help.  
3.3  
INSTALLING OPTIONAL EQUIPMENT  
Install any optional equipment before proceeding to  
Section 3.4.  
NOTE  
If the 2H28-08R is to be installed with an optional Fast Ethernet Interface  
Module, refer to Appendix C for installation instructions.  
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Installing the 2H28-08R  
3.4  
INSTALLING THE 2H28-08R  
The 2H28-08R may be installed on a tabletop, shelf, or in a 19-inch rack.  
Section 3.4.1 describes a tabletop or shelf installation, and Section 3.4.2  
describes the rackmount installation.  
To prevent possible personal injury and/or damage to the unit,  
do NOT connect power to the 2H28-08R until instructed to do  
so.  
3.4.1  
Tabletop or Shelf Installation  
The following two subsections provide guidelines for installation on a  
tabletop or shelf.  
Guidelines for Tabletop and Shelf Installations  
Tabletop and shelf installations must be within reach of the network  
cabling and meet the requirements listed below:  
Locate the 2H28-08R within seven feet of an appropriately grounded  
power receptacle that meets the power supply requirements listed in  
Appendix A.  
In a shelf installation, the shelf must support 13.6 kg (30 lb) of static  
weight for each 2H28-08R.  
Maintain a temperature of between 5°C (41°F) and 40°C (104°F) at  
the installation site with fluctuations of less than 10°C (18°F) per hour.  
minimum clearance space of 5.1 cm (2.0 in) at the left, right,  
and rear of the 2H28-08R.  
!
CAUTION  
Installation  
For a tabletop or shelf installation, locate the 2H28-08R within seven feet  
of its power source and with an unrestricted free surface area as shown in  
Figure 3-1. Proceed to Section 3.4.3 for power connection instructions.  
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C
B
A
D
A = 15 cm (6 in)  
B = 57.2 cm (22.5 in)  
C = 53 cm (21 in)  
D = 213 cm (7 ft)  
2251-06  
Figure 3-1 Tabletop or Shelf Installation  
3.4.2  
Rackmount Installation  
To install the 2H28-08R in a 19-inch rack, the device is shipped with a  
rackmount kit containing the rackmount brackets, mounting screws, and a  
strain-relief bracket for cable management.  
Before installing the 2H28-08R into a rack, ensure that the rack  
WARNING  
supports the device(s) without compromising the stability of the  
rack. Otherwise, personal injury and/or equipment damage  
may result.  
Guidelines for the Rackmount Installation  
The installation site must be within reach of the network cabling and meet  
the requirements listed below:  
An appropriate grounded power receptacle must be located within  
seven feet of the device.  
Maintain a temperature of between 5°C (41°F) and 40°C (104°F) at  
the installation site with fluctuations of less than 10°C (18°F) per hour.  
To ensure proper ventilation and prevent overheating, leave a  
minimum clearance space of 5.1 cm (2.0 in) at the left, right,  
and rear of the 2H28-08R.  
!
CAUTION  
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Installing the 2H28-08R  
Installation  
Rack mounting the 2H28-08R involves the following:  
Attaching the strain-relief bracket  
Rack mounting the 2H28-08R (attaching the mounting brackets and  
fastening the 2H28-08R to the rack)  
Attaching the Strain-Relief Bracket  
Use of the strain-relief bracket is optional, but recommended in order to  
reduce cable damage and maintain an orderly environment.  
Attach the strain-relief bracket to the front of the 2H28-08R as follows:  
1. Locate the strain-relief bracket and four 8-32 x 5/16-inch pan-head  
screws in the rackmount kit.  
Do not attempt to attach the strain-relief bracket with screws  
other than the 8-32 x 5/16-inch screws included with the  
2H28-08R. Use of longer screws may damage the unit.  
!
CAUTION  
2. Attach the strain-relief bracket to the bottom of the 2H28-08R using  
the four 8-32 x 5/16-inch pan-head screws (Figure 3-2).  
Screws (4)  
Strain-Relief Bracket  
E 4 3 - 5 1  
2251-47  
Figure 3-2 Attaching the Strain-Relief Bracket  
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Rack Mounting the 2H28-08R  
Proceed as follows to install the 2H28-08R into a 19-inch rack.  
1. Remove and discard the four cover screws (two from each side)  
located along the front edges of each side of the 2H28-08R.  
2. Locate the four 6-32 x 3/8-inch flathead cover replacement screws in  
the rackmount kit. Use these screws to attach the rackmount brackets  
to the 2H28-08R as shown in Figure 3-3.  
Rackmount Brackets (2)  
Screws (4)  
2251-04  
Figure 3-3 Installing the Rackmount Brackets  
3. With the mounting brackets installed, position the 2H28-08R between  
the vertical frame members of the 19-inch rack and fasten it securely  
with user supplied mounting screws as shown in Figure 3-4.  
19-Inch Rack  
Screws (4)  
2251-03  
Figure 3-4 Installing the 2H28-08R in a Rack  
3-6  
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Installing the 2H28-08R  
3.4.3  
Connecting Power to the Device  
The 2H28-08R has two power supplies that have automatic  
voltage sensing, allowing connection to power sources ranging  
from 100–125 Vac, 2.0 A to 200–240 Vac, 1.0 A, 50/60 Hz.  
NOTE  
To connect the 2H28-08R to the power sources, proceed as follows:  
1. Plug both power cords into a separate grounded wall outlet. To take  
advantage of the load sharing and redundancy capabilities, each power  
cord must be plugged into a dedicated ac outlet. The POWER LED  
turns on (green) and the CPU LED turns on (green) briefly.  
8H02-26R  
Primary  
Redundant  
1960-62  
Figure 3-5 2H28-08R Rear View  
It takes approximately one minute for the 2H28-08R to boot up.  
NOTE  
2. Observe the LANVIEW LEDs. After a successful boot, the CPU LED  
turns on (green). If the PWR LED is not green after one minute and  
turns amber, there is no power redundancy. Check the power cord  
connections and the power source. If there are no problems with the  
power cord connections or power source and the PWR LED is still not  
green, contact the Cabletron Systems Global Call Center. Refer to  
Section 1.6 for details.  
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Chapter 3: Installation  
3.5  
CONNECTING TO THE NETWORK  
This section provides the procedures for connecting fiber optic segments  
and twisted pair from the network or other devices to the 2H28-08R.  
If the 2H28-08R is being installed in a network using  
SmartTrunking, there are rules concerning the network cable  
NOTE  
and port configurations that must be followed for  
SmartTrunking to operate properly. Refer to the Cabletron  
Systems SmartTrunk User’s Guide for additional information.  
Ports 1 through 6 on the 2H28-08R have SC connectors for fiber  
Interface Modules. The FE-100TX has an RJ45 connector for a twisted  
pair cable connection. The FE-100FX and FE-100F3 have SC connectors  
single mode for the FE-100F3.  
Refer to Section 3.5.1 to make fiber connections to ports 1 through 6.  
Refer to Section 3.5.2 to make a twisted pair connection to an FE-100TX  
in port 7 or 8.  
FE-100FX or FE-100F3 in port 7 or 8.  
3.5.1  
Connecting Fiber Optic Cables to Ports  
1 Through 6  
Ports 1 through 6 of the 2H28-08R have SC style network ports (see  
Figure 3-6). Cabletron Systems supplies fiber optic cable that uses SC  
style connectors that are keyed to ensure proper crossing over of the  
transmit and receive fibers. The 2H28-08R is designed for use with  
multimode fiber optic cable. Use of the incorrect fiber type may cause  
network problems. Refer to the Cabletron Systems Cabling Guide for  
further information.  
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Connecting to the Network  
An odd number of crossovers (preferably one) must be  
maintained between devices so that the transmit port of one  
device is connected to the receive port of the other device and  
vice versa.  
!
CAUTION  
If the fiber optic cable being used has SC style connectors that  
do not resemble MIC style connectors, or has SC connectors  
on one end and a different type on the other, such as ST  
connectors, ensure that the proper crossover occurs.  
Fiber Optic Network Connection  
1. Remove the protective rubber covers from the fiber optic ports on the  
applicable port on the module and from the ends of the SC connectors.  
Leave the protective rubber covers in place when the  
connectors are not in use to prevent contamination.  
NOTE  
Do not touch the ends of the fiber optic strands, and do not let  
the ends come in contact with dust, dirt, or other contaminants.  
Contamination of the ends causes problems in data  
transmissions. If the ends become contaminated, blow the  
surfaces clean with a canned duster. A fiber port cleaning swab  
saturated with optical-grade isopropyl alcohol may also be used  
to clean the ends.  
!
CAUTION  
2. Insert the SC connector at one end of the fiber optic cable into the port  
on the 2H28-08R. See Figure 3-6.  
3. At the other end of the fiber optic cable, attach the SC connector to the  
other device.  
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Chapter 3: Installation  
Port  
SC Connector  
2159-03  
Figure 3-6 2H28-08R Fiber Port Connections  
4. Verify that a link exists by checking that the port RX LED is on  
(flashing amber, blinking green, or solid green). If the RX LED is off  
and the TX LED is not blinking amber, perform the following steps  
until it is on:  
The port RX LED flashes green and amber during bootup.  
NOTE  
of the link.  
b. Verify that the fiber strands between the applicable port on the  
link segment are properly crossed over.  
c. Make sure that the fiber connection meets dB loss specifications  
outlined in Section 2.2.  
d. To manage the connected port, see Section 5.11.  
If a link has not been established, refer to Chapter 4, Troubleshooting,  
before contacting the Cabletron Systems Global Call Center. Refer to  
Section 1.6 if the problem has not been resolved.  
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Connecting to the Network  
3.5.2  
Connecting a UTP Segment to the FE-100TX  
To ensure proper operation, use only Category 5 Unshielded  
111 ohms.  
NOTE  
An FE-100TX installed in port 7 and/or 8 has an internal crossover  
switch. When connecting a workstation, use a straight-through cable and  
set the Fast Ethernet Interface Module crossover switch shown in  
Figure 3-7 to the crossed over position marked with X. When connecting  
networking devices, such as another bridge, repeater, or router, use a  
straight-through cable and set the Fast Ethernet Interface Module  
crossover switch shown in Figure 3-7 to the straight-through position (not  
crossed over), marked with =.  
Position X  
(crossed over)  
Position =  
(not crossed over)  
1. RX+  
2. RX-  
3. TX+  
4. NC  
5. NC  
6. TX-  
7. NC  
8. NC  
5. NC  
6. RX-  
7. NC  
8. NC  
1. TX+  
2. TX-  
3. RX+  
4. NC  
x
=
10  
100  
FE-100TX  
16651_05  
Figure 3-7 FE-100TX Crossover Switch  
A schematic of a crossover cable is shown in Figure 3-8. If a cross over is  
required, but a crossover cable is not available, use the switch on the  
FE-100TX to internally cross over the RJ45 port.  
TO  
TO  
10BASE-T Device Port  
RJ45 Port  
NOTE:  
RX+  
RX+  
RX–  
1
2
1
2
RX+/RX– and TX+/TX–  
must share a common  
color pair. For example,  
the RX+/RX- pair may  
use the bw/wb pair, and  
the TX+/TX- may use the  
ow/wo pair.  
RX–  
TX+  
TX–  
TX+  
TX–  
3
6
3
6
RJ45 to RJ45  
Figure 3-8 Cable Pinouts - RJ45 Crossover Cable  
2251-31  
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Connect an FE-100TX to a twisted pair segment as follows:  
1. Ensure that the device connected to the other end of the segment is  
powered on.  
2. Connect the twisted pair segment to the module by inserting the RJ45  
connector on the twisted pair segment into the RJ45 port on the  
module shown in Figure 3-9.  
=
x
10  
100  
6
FE-100TX  
5
2251-14  
RX LED TX LED  
RJ45  
Figure 3-9 FE100-TX Port  
3. Verify that a link exists by checking that the port RX LED is on  
(flashing amber, blinking green, or solid green). If the RX LED is off  
and the TX LED is not blinking amber, perform the following steps  
until the RX LED is on:  
a. Verify that the 10BASE-T or 100BASE-TX device at the other end  
of the twisted pair segment is powered up.  
b. Verify that the RJ45 connector on the twisted pair segment has the  
proper pinouts.  
c. Check the cable for continuity.  
d. Make sure that the twisted pair connection meets the cable  
specifications outlined in the Cabletron Systems Cabling Guide.  
e. Confirm that the crossover switch is in the correct position.  
f. To manage the connected port, see Section 5.11.  
3-12  
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Connecting to the Network  
If a link is not established, refer to Chapter 4, Troubleshooting, before  
contacting the Cabletron Systems Global Call Center. Refer to  
resolved.  
3.5.3  
Connecting a Fiber Optic Segment to the  
FE-100FX and FE-100F3  
The FE-100FX and FE-100F3 have SC style network ports. See  
Figure 3-10. Cabletron Systems offers fiber optic cables that use SC style  
connectors. The SC connectors are keyed to ensure proper crossover of  
the transmit and receive fibers.  
An odd number of crossovers (preferably one) must be  
maintained between devices so that the transmit port of one  
NOTES  
device is connected to the receive port of the other device and  
vice versa.  
If the fiber optic cable being used has SC style connectors that  
do not resemble MIC style connectors, or has SC connectors  
on one end and a different type on the other, such as ST  
connectors, ensure that the proper crossing over occurs.  
Ensure that, when connecting an FE-100F3, single mode cable  
is used and the device at the other end of the cable is  
compatible for use with single mode fiber.  
Fiber Optic Network Connection  
1. Remove the protective rubber covers from the fiber optic ports on the  
applicable port on the module and from the ends of the connectors.  
Leave the covers on unused ports.  
The FE-100F3 uses Class 1 lasers. Do not use optical  
instruments to view the laser output. The use of optical  
instruments to view laser output increases eye hazard. When  
viewing the output optical port, power must be removed from  
the network adapter.  
!
CAUTION  
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Do not touch the ends of the fiber optic strands, and do not let  
the ends come in contact with dust, dirt, or other contaminants.  
Contamination of the ends causes problems in data  
transmissions. If the ends become contaminated, blow the  
surfaces clean with a canned duster. A fiber port cleaning swab  
saturated with optical-grade isopropyl alcohol may also be used  
to clean the ends.  
!
CAUTION  
2. Insert one end of the SC connector into the FE-100FX or FE-100F3  
installed in the 2H28-08R. See Figure 3-10.  
3. At the other end of the fiber optic cable, attach the SC connector to the  
other device.  
8
7
TX LED  
RX LED  
2251-34  
Figure 3-10 FE-100FX and FE-100F3 Ports  
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Completing the Installation  
4. Verify that a link exists by checking that the port RX LED is on  
(flashing amber, blinking green, or solid green). If the RX LED is off  
and the TX LED is not blinking amber, perform the following steps  
until the RX LED is on:  
a. Check that the power is turned on for the device at the other end of  
the link.  
b. Verify proper crossover of fiber strands between the applicable  
of the fiber optic link segment.  
c. Verify that the fiber connection meets the dB loss specifications  
outlined in Cabletron Systems Cabling Guide.  
If a link has not been established, see Chapter 4, Troubleshooting, before  
contacting the Cabletron Systems Global Call Center. Refer to  
Section 1.6, Getting Help, if the problem has not been resolved.  
3.6  
After installing the 2H28-08R and any optional Fast Ethernet Interface  
Modules, and making the connections to the network, secure the cables  
by running the cables along the strain-relief bracket and tying them to the  
strain-relief bracket using cable ties.  
The 2H28-08R is now ready to be set up through Local Management.  
Refer to Chapter 5, Local Management, for information on how to  
access and use Local Management to configure the 2H28-08R.  
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Chapter 3: Installation  
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CHAPTER 4  
TROUBLESHOOTING  
This chapter provides information concerning the following:  
Troubleshooting network and 2H28-08R operational problems  
Using the RESET button  
For troubleshooting information about other Cabletron  
NOTE  
products, refer to the Cabletron Systems Guide to Network  
Troubleshooting. Refer to Section 1.7 for more information on  
related manuals.  
4.1  
USING LANVIEW  
The 2H28-08R uses Cabletron Systems built-in visual diagnostic and  
status monitoring system called LANVIEW. The LANVIEW LEDs  
(Figure 4-1) allow quick observation of the network status to aid in  
diagnosing network problems. Refer to Table 4-1 for a description of the  
LEDs.  
For a functional description of the LANVIEW LED on the optional Fast  
Ethernet Interface Module (FE-100TX), refer to Section 4.2.  
PWR  
CPU  
TX  
RX  
RX  
FE Interface Modules  
Figure 4-1 LANVIEW LEDs  
TX  
LEDs LEDs  
2380_01  
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The terms flashing, blinking, and solid used in Table 4-1  
indicate the following:  
NOTE  
Flashing indicates an LED pulse that is flashing at a random  
rate.  
Blinking indicates an LED pulse flashing at a steady rate  
(50% on, 50% off).  
Solid indicates a steady LED light. No pulsing.  
Table 4-1 LANVIEW LEDs  
LED  
Color  
State  
Recommended Action  
PWR  
Green  
Solid. Functional.  
Power supply(ies)  
operating normally.  
None.  
Amber  
Solid. Indicates loss of 1. Ensure that the power cords  
power supply  
redundancy.  
are plugged in correctly and  
that there is power at the  
power source.  
2. Contact the Cabletron  
Systems Global Call Center  
if problem still exists.  
CPU  
Off  
Power off.  
Power up device.  
Red  
Blinking. Hardware  
Contact the Cabletron  
failure has occurred.  
Systems Global Call Center.  
Solid. Resetting,  
None.  
normal power up reset.  
Amber  
Green  
Blinking. Crippled.  
Contact the Cabletron  
Systems Global Call Center.  
Solid. Testing.  
None.  
None.  
None.  
Solid. Functional.  
Amber  
and  
Blinking amber and  
green while booting.  
Green  
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Using LANVIEW  
Table 4-1 LANVIEW LEDs (Continued)  
LED  
Color  
State  
Recommended Action  
Check connections if no  
activity is seen when the port  
is enabled.  
RX  
Off  
No link. No activity.  
Port could be enabled  
or disabled.  
(Receive)  
LED for  
ports 1–6,  
also ports  
7 and 8,  
with  
optional  
FE-100FX  
or  
Green  
Blinking. Port  
disabled.  
Enable the port if a connection  
is desired.  
Solid. Indicates link.  
None.  
None.  
Amber  
Red  
Flashing. Port  
enabled, activity.  
Solid. Diagnostic  
failure.  
Contact the Cabletron  
Systems Global Call Center.  
FE-100F3  
TX  
Off  
Port enabled, and no  
activity. Should flash  
green every two  
seconds indicating  
BPDUs being sent if  
STA is enabled and  
there is a valid link.  
1. Ensure that the STA is  
enabled and that there is a  
valid link.  
(Transmit)  
LED for  
ports 1–6,  
also ports  
7 and 8,  
with  
2. Contact the Cabletron  
Systems Global Call Center  
if problem still exists.  
optional  
FE-100FX  
or  
Green  
Amber  
Flashing. Indicates  
activity. Rate indicates  
data rate.  
None.  
FE-100F3  
Blinking. Port in  
standby. Port may be  
disabled due to  
1. Ensure that the port is not  
disabled intentionally.  
2. Contact the Cabletron  
Systems Global Call Center  
if problem still exists.  
Spanning Tree.  
Red  
Flashing. Indicates  
collision rate.  
No action, unless a high  
amount of activity-check for  
network configuration  
problems or bad device.  
Solid. Diagnostic  
Contact the Cabletron  
failure.  
Systems Global Call Center.  
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Chapter 4: Troubleshooting  
4.2  
FE-100TX LED  
The optional FE-100TX has one LED labeled 10/100. The 10/100 LED  
together with the RX LED allows the user to determine the link status and  
the operating speed of the Fast Ethernet Interface Module. The 10/100  
LED and the Receive (RX) LED are shown in Figure 4-2. Table 4-2 and  
Table 4-3 provide a functional description of the 10/100 LED when the  
RX LED is on or off, respectively.  
10  
LED  
100  
=
x
10  
100  
Receive  
(RX) LED  
FE-100TX  
7
8
2251-41  
Figure 4-2 FE-100TX LED  
A link exists if the associated port (7 or 8) RX LED is on.  
No link exists if the associated port (7 or 8) RX LED is off.  
NOTE  
Table 4-2 10/100 LED Indications When RX LED Is On  
LED  
Color  
Indication  
10/100  
Off  
FE-100TX is operating at 10 Mbps.  
FE-100TX is operating at 100 Mbps.  
Green  
Table 4-3 10/100 LED Indications When RX LED Is Off  
LED  
Color  
Indication  
10/100  
Off  
No link or no cable attached. FE-100TX  
forced to 10 Mbps operation, or is  
manually set to “auto-negotiate” mode.  
Green  
No link or no cable attached. FE-100TX is  
forced to 100 Mbps operation.  
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Troubleshooting Checklist  
4.3  
TROUBLESHOOTING CHECKLIST  
If the 2H28-08R is not working properly, refer to Table 4-4 for a checklist  
of possible problems, causes, and recommended actions to resolve the  
problem.  
Table 4-4 Troubleshooting Checklist  
Problem  
Possible Cause  
Recommended Action  
All LEDs are OFF.  
Loss of power.  
Check for proper connection  
of the power cables and  
access to live outlets.  
Installed improperly.  
Autobaud is enabled.  
Check the installation. See  
Chapter 3 for details.  
No Local  
Management  
Password screen.  
Press ENTER (RETURN) key  
(may take up to four times).  
Terminal setup is not  
correct.  
Refer to Chapter 5 for proper  
setup procedures.  
Improper console cable  
used.  
Refer to Appendix A for  
proper console port pinouts.  
Cannot contact the  
2H28-08R from  
in-band  
Using incorrect  
Community Name.  
Refer to Chapter 5  
for Community Name setup.  
The 2H28-08R does not Refer to Chapter 5 for IP  
have an IP address  
assigned.  
management.  
address assignment  
procedure.  
Port is disabled.  
No link to device.  
Enable port.  
Check link to device.  
Port(s) goes into  
standby for no  
The 2H28-08R detected 1. Review network design and  
a loop condition.  
delete unnecessary loops.  
apparent reason.  
2. Contact the Cabletron  
Systems Global Call Center  
if problem still exists.  
User parameters (IP Mode switch (7), NVRAM 1. Reenter the lost  
address, Device and Reset, was changed  
Module name, etc.) sometime before either  
parameters as necessary.  
2. Call the Cabletron Systems  
Global Call Center if  
problem still exists.  
were lost when the  
2H28-08R power  
was cycled or the  
front panel RESET  
cycling power or  
pressing the RESET  
button causing the  
user-entered parameters  
button was pressed. to reset to factory default  
settings.  
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Chapter 4: Troubleshooting  
4.4  
USING THE RESET BUTTON  
The RESET button, shown in Figure 4-3, resets the 2H28-08R processor  
without affecting the NVRAM.  
Pressing the RESET button resets the device, and all switching  
being performed by the device is halted for approximately two  
!
CAUTION  
minutes.  
2380_03  
RESET Button  
Figure 4-3 RESET Button  
To reset the 2H28-08R processor, press and release the RESET button. A  
non-conductive tool is recommended for use in pushing the recessed  
button. The 2H28-08R goes through a reset process for approximately  
45 seconds. The 2H28-08R may be unreachable for a short time as it  
reenters the network.  
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CHAPTER 5  
LOCAL MANAGEMENT  
This chapter explains how to set up a management terminal to access  
2H28-08R Local Management, and how to use the Local Management  
screens and commands. This chapter also provides instructions for  
attaching an Uninterruptible Power Supply to the 2H28-08R using the  
Console Cable Kit provided.  
5.1  
OVERVIEW  
Local Management for the 2H28-08R consists of a series of management  
screens, some of which allow the management of the 2H28-08R and its  
attached segments, and some that report statistics. The management  
screens allow the user to do the following tasks:  
Assign IP address and subnet mask.  
Select a default gateway.  
Control access by establishing community names.  
Download a new software image.  
Designate which Network Management Workstations receive SNMP  
traps from the device.  
View statistics.  
Configure ports.  
Control the number of receive broadcasts that are switched out to the  
other interfaces.  
Clear NVRAM.  
There are three ways to access Local Management:  
Locally using a VT type terminal connected to the COM port.  
Remotely using a VT type terminal connected through a modem.  
In-band through a Telnet connection.  
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Chapter 5: Local Management  
5.2  
LOCAL MANAGEMENT KEYBOARD  
CONVENTIONS  
All key names appear as capital letters in this manual. Table 5-1 explains  
the keyboard conventions and the key functions that are used.  
Table 5-1 Keyboard Conventions  
Key  
Function  
These are selection keys that perform the same  
Local Management function. For example, “Press  
ENTER” means that you can press either ENTER  
or RETURN, unless this manual specifically  
instructs you otherwise.  
ENTER Key  
RETURN Key  
This key allows an escape from a Local  
Management screen without saving changes. For  
example, “Press ESC twice” means the ESC key  
must be pressed quickly two times.  
ESCAPE (ESC) Key  
These keys cycle through selections in some Local  
Management fields. Use the SPACE bar to cycle  
forward through selections and use BACKSPACE  
to cycle backward through selections.  
SPACE Bar  
BACKSPACE Key  
These are navigation keys. Use the UP-ARROW,  
DOWN-ARROW, LEFT-ARROW, and  
RIGHT-ARROW keys to move the screen cursor.  
For example, “Use the arrow keys” means to press  
whichever arrow key moves the cursor to the  
desired field on the Local Management screen.  
Arrow Keys  
This key decreases values from a Local  
Management increment field. For example, “Press  
[]” means to press the minus sign key.  
[] Key  
The DEL (Delete) key removes characters from a  
Local Management field. For example, “Press DEL”  
means to press the Delete key.  
DEL Key  
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Management Terminal Setup  
5.3  
MANAGEMENT TERMINAL SETUP  
Use one of the following systems to access Local Management:  
An IBM or compatible PC running a VT series emulation software  
package  
A Digital Equipment Corporation VT100 type terminal  
A VT type terminal running emulation programs for the Digital  
Equipment Corporation VT100 series  
A remote VT100 type terminal via a modem connection  
In-band via a Telnet connection  
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Chapter 5: Local Management  
5.3.1  
Console Cable Connection  
Use the Console Cable Kit provided with the 2H28-08R to attach the  
management terminal to the 2H28-08R COM port as shown in Figure 5-1.  
Connect an IBM PC or compatible device, running the VT terminal  
emulation, to the 2H28-08R as follows:  
1. Connect the RJ45 connector at one end of the cable (supplied in the  
kit) to the COM port.  
2. Plug the RJ45 connector at the other end of the cable into the  
RJ45-to-DB9 adapter (supplied in the kit).  
3. Connect the RJ45-to-DB9 adapter to the communications port on  
the PC.  
RJ45 COM Port  
UTP Cable  
with RJ45 Connectors  
RJ45-to-DB9  
PC Adapter  
PC  
2286-50  
Figure 5-1 Management Terminal Connection  
If using a DEC VT style terminal, use the DB25 adapter  
included in the Console Cable Kit for the connection, instead of  
the DB9 adapter.  
NOTE  
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Management Terminal Setup  
5.3.2  
Management Terminal Setup Parameters  
Table 5-2 lists the setup parameters for the local management device.  
Table 5-2 VT Terminal Setup  
Display Setup Menu  
Columns ->  
Controls ->  
Auto Wrap ->  
Scroll ->  
80 Columns  
Interpret Controls  
No Auto Wrap  
Jump Scroll  
Text Cursor ->  
Cursor Style ->  
Cursor  
Underline Cursor Style  
General Setup Menu  
Mode ->  
VT100, 7 Bit Controls  
VT100ID  
Normal Cursor Keys  
UPSS DEC Supplemental  
ID number ->  
Cursor Keys ->  
Power Supply ->  
Communications Setup Menu  
Transmit ->  
Receive ->  
XOFF ->  
2400, 4800, 9600, 19200  
Receive=Transmit  
XOFF at 64  
Bits ->  
8 bits  
Parity ->  
No Parity  
Stop Bit ->  
Local Echo ->  
Port ->  
Transmit ->  
Auto Answerback ->  
1 Stop Bit  
No Local Echo  
DEC-423, Data Leads Only  
Limited Transmit  
No Auto Answerback  
Keyboard Setup Menu  
Keys ->  
Auto Repeat ->  
Keyclick ->  
Typewriter Keys  
any option  
any option  
Margin Bell ->  
Warning Bell ->  
Margin Bell  
Warning Bell  
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Chapter 5: Local Management  
5.3.3  
Telnet Connections  
Once the 2H28-08R has a valid IP address, the user can establish a Telnet  
session with Local Management from any TCP/IP based node on the  
network. Telnet connections to the 2H28-08R require the community  
name passwords assigned at the SNMP Community Names screen of the  
2H28-08R.  
For information about setting the IP address, refer to Section 5.7.  
For information about assigning community names, refer to Section 5.8.  
Refer to the instructions included with your Telnet application for  
information about establishing a Telnet session.  
5.3.4  
Monitoring an Uninterruptible Power Supply  
If the 2H28-08R is connected to an American Power Conversion  
Uninterruptible Power Supply (UPS) device for protection against the  
be made to monitor the power status of the UPS. To use the COM port for  
this purpose, it must be reconfigured to support the UPS connection using  
the procedure described in Section 5.7.10. Refer to the UPS  
documentation for details on how to access the status information.  
The Console Cable Kit provided with the 2H28-08R is used to attach the  
UPS to the 2H28-08R COM port as shown in Figure 5-2.  
To connect the UPS device to the COM port of the 2H28-08R, proceed as  
follows:  
1. Connect the RJ45 connector at one end of the cable to the COM port  
on the 2H28-08R.  
2. Plug the RJ45 connector at the other end of the cable into the  
RJ45-to-DB9 male (UPS) adapter.  
3. Connect the RJ45-to-DB9 male (UPS) adapter to the female DB9 port  
on the rear of the UPS device (see the particular UPS device’s user  
instructions for more specific information about the monitoring  
connection).  
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Management Terminal Setup  
DB9 Port  
RJ45 COM Port  
UTP Cable  
with RJ45 Connectors  
UPS Device  
RJ45-to-DB9  
UPS Adapter  
2286-51  
Figure 5-2 Uninterruptible Power Supply (UPS) Connection  
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Chapter 5: Local Management  
5.4  
ACCESSING LOCAL MANAGEMENT  
Access to Local Management is controlled through the Local  
Management Password screen shown in Figure 5-3. Whenever a  
connection is made to the 2H28-08R, the Local Management Password  
screen displays. Before continuing, the user must enter a password  
(community name) which is compared to the previously stored  
passwords. The level of access allowed the user depends on the password.  
To set or change passwords, refer to Section 5.8. The following steps  
describe the procedure to access Local Management.  
1. Turn on the terminal. Press ENTER (up to four times may be needed  
to engage the autobaud capability) until the 2H28-08R Local  
Management Password screen displays.  
2H28-08R LOCAL MANAGEMENT  
CABLETRON Systems, Incorporated  
P.O.Box 5005  
Rochester, NH 03866-5005  
(603) 332-9400  
USA  
(c) Copyright CABLETRON Systems, Inc. 1997  
Module Serial Number:  
Module Hardware Revision:  
Module Firmware Revision: XX.XX.XX  
Module BOOTPROM Revision: XX.XX.XX  
Enter Password:  
Event Message Line  
Figure 5-3 Local Management Password Screen  
2. Enter the Password and press ENTER. The default super-user access  
password is “public” or press ENTER.  
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Accessing Local Management  
5.4.1  
Navigating Local Management Screens  
The user’s password is one of the community names specified  
in the SNMP Community Names screen. Access to certain  
Local Management capabilities depends on the degree of  
access accorded that community name. Refer to Section 5.8.  
NOTES  
If an invalid password is entered, the terminal beeps and the  
cursor returns to the beginning of the password entry field.  
Entering a valid password causes the associated access level  
to display at the bottom of the screen and the Device Menu  
screen to appear.  
If no activity occurs for several minutes, the Local Management  
Password screen redisplays and the session ends. The  
password has to be reentered. See Section 5.7.8 for more  
information.  
The 2H28-08R Local Management application consists of a series of  
menu screens. Navigate through Local Management by selecting items  
from the menu screens.  
The 2H28-08R supports three modes of switch operation.  
The switching modes are as follows:  
802.1Q Switching (port based switching)  
SecureFast VLAN (Cabletron Systems SecureFast switching)  
Depending on the Operational Mode set for the device, the hierarchy of  
the Local Management screens differ as shown in Figure 5-4, Figure 5-5  
and Figure 5-6. Refer to the appropriate figure that relates to the  
Operational Mode set for the device to see the applicable Local  
Management screen hierarchy.  
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Chapter 5: Local Management  
\
Device  
Configuration  
Menu  
General Configuration  
SNMP Community Names  
SNMP Traps  
Switch Configuration  
Ethernet Interface  
Configuration  
SmartTrunk  
Configuration  
Password  
System  
Resources  
Device  
Menu  
Device Specific  
Configuration  
Flash Download  
Switch Statistics  
Interface Statistics  
Port Redirect  
Function  
Device  
Statistics  
Menu  
Broadcast  
Suppression  
RMON Statistics  
Network Tools  
2286-43  
Figure 5-4 802.1D Switching Mode, LM Screen Hierarchy  
\
Device  
Configuration  
Menu  
General Configuration  
SNMP Community Names  
SNMP Traps  
Switch Configuration  
Ethernet Interface  
Configuration  
SmartTrunk  
Configuration  
System  
Resources  
Password  
Device Specific  
Configuration  
Flash Download  
Device  
Menu  
802.1Q VLAN  
Configuration  
Switch Statistics  
Interface Statistics  
Device  
Statistics  
Menu  
RMON Statistics  
Network Tools  
2380_100  
Figure 5-5 802.1Q Switching Mode, LM Screen Hierarchy  
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Accessing Local Management  
\
Device  
Configuration  
Menu  
General Configuration  
SNMP Community Names  
SNMP Traps  
Ethernet Interface  
Configuration  
Password  
System  
Device  
Menu  
Device Specific  
Configuration  
Resources  
Flash Download  
Interface Statistics  
RMON Statistics  
Device  
Statistics  
Menu  
Network Tools  
2380_101  
Figure 5-6 SecureFast VLAN Mode, LM Screen Hierarchy  
5.4.2  
Selecting Local Management Menu Screen Items  
Select items on a menu screen by performing the following steps:  
1. Use the arrow keys to highlight a menu item.  
2. Press ENTER. The selected menu item displays on the screen.  
5.4.3  
Exiting Local Management Screens  
There are two ways to exit the Local Management (LM) screens.  
Using the Exit Command  
To exit LM using the EXIT screen command, proceed as follows:  
1. Use the arrow keys to highlight the EXIT command at the bottom of  
the Local Management screen.  
2. Press ENTER. The Local Management Password screen displays and  
the session ends.  
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Chapter 5: Local Management  
Using the RETURN Command  
To exit LM using the RETURN command, proceed as follows:  
1. Use the arrow keys to highlight the RETURN command at the bottom  
of the Local Management screen.  
2. Press ENTER. The previous screen in the Local Management  
hierarchy displays.  
The user can also exit Local Management screens by pressing  
ESC twice. This exit method does not warn about unsaved  
NOTE  
changes and all unsaved changes are lost.  
3. Exit from 2H28-08R Local Management by repeating steps 1 and 2  
until the Device Menu screen displays.  
4. To end the LM session, use the arrow keys to highlight the RETURN  
command at the bottom of the Device Menu screen.  
5. Press ENTER. The Local Management Password screen displays and  
the session ends. If in a Telnet session, the session ends without  
returning to the Local Management Password screen.  
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Device Menu Screen  
5.5  
DEVICE MENU SCREEN  
The Device Menu screen is the access point for all Local Management  
screens. Figure 5-7 shows the Device Menu screen.  
2H28-08R LOCAL MANAGEMENT  
Device Menu  
Device Type: 2H28-08R  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
DEVICE CONFIGURATION  
DEVICE STATISTICS  
NETWORK TOOLS  
RETURN  
EXIT  
Figure 5-7 Device Menu Screen  
If the terminal is idle for several minutes, the Local  
Management Password screen redisplays and the session  
ends.  
NOTE  
The following explains each Device Menu screen field as shown in  
Figure 5-7:  
DEVICE CONFIGURATION  
The Device Configuration screen provides access to the Local  
Management screens that are used to configure the 2H28-08R and also to  
the Device Specific Configuration Menu screen. The Device Specific  
Configuration Menu screen provides access to the screens that allow the  
user to check the 2H28-08R resources and set operating parameters  
specific to each port. For details, refer to Section 5.6.  
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Chapter 5: Local Management  
DEVICE STATISTICS  
The Device Statistics screen provides statistics and performance  
information for the 2H28-08R. For details, refer to Section 5.17.  
NETWORK TOOLS  
The Network Tools function resides on the 2H28-08R and consists of a  
series of commands that allow the user to access and manage network  
devices. For details, refer to Section 5.21.  
5.6  
DEVICE CONFIGURATION MENU SCREEN  
The Device Configuration Menu screen, Figure 5-8, provides access to  
Local Management screens. These screens allow the user to configure and  
monitor operating parameters, modify SNMP community names, set  
SNMP traps, configure switch parameters and configure 2H28-08R ports.  
The following menu items on the Device Configuration Menu  
screen may not display if the operational mode of the module  
NOTE  
has been set to SECURE FAST VLAN:  
SWITCH CONFIGURATION  
SMARTTRUNK CONFIGURATION  
Refer to the Release Notes to see if the functionality provided  
by the above screens is supported in SECURE FAST VLAN  
mode.  
Section 5.7.9 provides instructions on setting the operational  
mode.  
To access the Device Configuration Menu screen from the Device Menu  
screen, use the arrow keys to highlight the DEVICE  
CONFIGURATION menu item and press ENTER. The Device  
Configuration Menu screen displays.  
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Device Configuration Menu Screen  
2H28-08R LOCAL MANAGEMENT  
Device Configuration Menu  
Device Type: 2H28-08R  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
GENERAL CONFIGURATION  
SNMP COMMUNITY NAMES  
SNMP TRAPS  
SWITCH CONFIGURATION  
ETHERNET INTERFACE CONFIGURATION  
SMARTTRUNK CONFIGURATION  
DEVICE SPECIFIC CONFIGURATION  
EXIT  
RETURN  
2286_66  
Figure 5-8 Device Configuration Menu Screen  
The following briefly explains each screen accessible from the Device  
Configuration Menu screen:  
GENERAL CONFIGURATION  
The General Configuration screen allows the user to monitor and  
configure operating parameters for the 2H28-08R. For details, refer  
to Section 5.7.  
SNMP COMMUNITY NAMES  
The SNMP Community Names screen allows the user to enter new  
community names, change, or review the community names used as  
access passwords for device management operation. Access is limited  
based on the password level of the user. For details, refer to Section 5.8.  
SNMP TRAPS  
The SNMP Traps screen provides display and configuration access to the  
table of IP addresses used for trap destinations and associated community  
names. For details, refer to Section 5.9.  
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Chapter 5: Local Management  
SWITCH CONFIGURATION  
The Switch Configuration screen provides the basic setup options for  
Section 5.10.  
ETHERNET INTERFACE CONFIGURATION  
The Ethernet Interface Configuration screen indicates the link status,  
current and desired operational mode, advertised ability, and flow control  
admin status for ports 1 through 8 on the 2H28-08R. For details, refer to  
Section 5.11.  
SMARTTRUNK CONFIGURATION  
The SmartTrunk Configuration screen allows the user to logically group  
interfacesto aggregate high speed uplinks. Refer to the Cabletron Systems  
SmartTrunk User’s Guide for additional information.  
DEVICE SPECIFIC CONFIGURATION  
The Device Specific Configuration Menu screen allows the user to select  
screens to configure ports or check system resources specific to the  
2H28-08R. For details, refer to Section 5.12.  
5.7  
GENERAL CONFIGURATION SCREEN  
The General Configuration screen, Figure 5-9, allows the user to set the  
device date and time, IP address and subnet mask, the default gateway, the  
TFTP Gateway IP address, screen refresh and lockout time, operational  
mode, clear the NVRAM, and configure the COM port.  
To access the General Configuration screen from the Device  
Configuration Menu screen, use the arrow keys to highlight the  
GENERAL CONFIGURATION menu item and press ENTER. The  
General Configuration screen displays.  
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General Configuration Screen  
Event Message Line  
2H28-08R LOCAL MANAGEMENT  
General Configuration  
Device Type: 2H28-08R  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
MAC Address:  
00-00-ID-00-00-00  
Device Date:  
11/11/1997  
IP Address:  
0.0.0.0  
Device Time:  
14:23:00  
03 sec.  
15 min.  
Subnet Mask:  
0.0.0.0  
Screen Refresh Time:  
Screen Lockout Time:  
Default Gateway:  
TFTP Gateway IP Addr:  
NONE DEFINED  
0.0.0.0  
Device Uptime: XX D XX H XX M  
Operational Mode: [802.1D SWITCHING]  
Com 1: [ENABLED] Application:  
[LM]  
Clear NVRAM:  
[NO]  
SAVE  
EXIT  
RETURN  
2286-15  
Figure 5-9 General Configuration Screen  
MAC Address (Read-Only)  
Displays the base physical address of the 2H28-08R.  
IP Address (Modifiable)  
Displays and allows the user to set the IP address for the 2H28-08R. To  
set the IP address, refer to Section 5.7.1. The IP address can also be set  
through Runtime IP Address Discovery as previously described in  
Section 1.3.5.  
Subnet Mask (Modifiable)  
Displays the subnet mask for the 2H28-08R. A subnet mask “masks out”  
the network bits of the IP address by setting the bits in the mask to 1 when  
the network treats the corresponding bits in the IP address as part of the  
network or subnetwork address, or to 0 if the corresponding bit identifies  
the host. Once an IP address has been entered, the device will  
automatically generate and display a default subnet mask based on the  
entered IP address. For details about changing the subnet mask from its  
default value, refer to Section 5.7.2.  
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Chapter 5: Local Management  
Default Gateway (Modifiable)  
Displays the default gateway for the 2H28-08R. This field is not defined  
until an appropriate value is entered. For details about why and how to set  
the default gateway, refer to Section 5.7.3.  
TFTP Gateway IP Addr (Modifiable)  
Displays and allows the user to set the TFTP Gateway IP address for the  
2H28-08R. To set the TFTP Gateway IP address, refer to Section 5.7.4.  
Device Date (Modifiable)  
Contains a value that the device recognizes as the current date. To set a  
new device date, refer to Section 5.7.5.  
Device Time (Modifiable)  
Contains a value that the device recognizes as the current time. To enter a  
new time, refer to Section 5.7.6.  
Screen Refresh Time (Modifiable)  
Contains the rate at which the screens are updated. This setting  
determines how frequently (in seconds) information is updated on the  
screen. To enter a new Screen Refresh time, refer to Section 5.7.7.  
Screen Lockout Time (Modifiable)  
Contains the number of minutes (to a maximum of 30) that the Local  
Management application displays a screen while awaiting input or action  
from a user. For example, if the number 5 is entered in this field, the user  
Management screens.  
In this example, after five minutes of “idleness” (no input or action), the  
terminal “beeps” five times, the Local Management application  
terminates the session, and the display returns to the Local Management  
Password screen. To enter a new screen lockout time, refer to  
Section 5.7.8.  
Device Uptime (Read-Only)  
Displays the total time that the device has been operating, in days, hours,  
and minutes.  
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General Configuration Screen  
Operational Mode (Selectable)  
Allows the user to set the 2H28-08R to operate as a traditional switch  
(802.1D SWITCHING option), a prestandard IEEE 802.1Q, (802.1Q  
SWITCHING option) or as a Cabletron Systems SecureFast switch  
(SECURE FAST VLAN option).  
In 802.1D SWITCHING mode, the 6 fixed ports located on the front  
panel and any installed Fast Ethernet Interface Modules are bridged to  
each other.  
In 802.1Q SWITCHING mode, the 2H28-08R is able to increase its  
switching functionality by creating and maintaining port based VLANs.  
When this operation is selected, 802.1Q VLAN CONFIGURATION will  
appear as a menu item on the Device Specific Configuration Menu. If the  
device is not set to 802.1Q, the menu item will not appear as an option.  
When the operational mode is set to SECURE FAST VLAN, the  
2H28-08R acts as a SecureFast switch. With the Cabletron Systems  
VLAN Manager software, the 2H28-08R is able to increase its switching  
functionality by creating and maintaining VLANs. Certain options that  
are available in other modes in the menu screens will not be available with  
the SecureFast option.  
For details on how to select the Operational Mode, refer to Section 5.7.9.  
Com (Toggle)  
Allows the user to enable or disable the COM port. The selection toggles  
between ENABLED and DISABLED. The default is ENABLED. For  
details about setting up the COM port, refer to Section 5.7.10.  
Application (Toggle)  
Allows the user to set the application that the COM port supports. The  
field toggles between LM (Local Management) and UPS (Uninterruptible  
Power Supply).  
The UPS setting allows the COM port to be used to monitor an American  
Power Conversion Smart Uninterruptible Power Supply (UPS).  
The baud rate setting for LM is automatically sensed. For the UPS, the  
baud rate is automatically set to 2400.  
The default setting is LM. For details about how to configure the COM  
port for various applications, refer to Section 5.7.10. See the caution  
before changing the setting for this selection.  
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Chapter 5: Local Management  
Clear NVRAM (Toggle)  
Allows the user to reset NVRAM to the factory default settings. All  
user-entered parameters, such as IP address and Community Names, are  
then replaced with 2H28-08R default configuration settings. For details,  
refer to Section 5.7.11.  
5.7.1  
Setting the IP Address  
To set the IP address, perform the following steps:  
1. Use the arrow keys to highlight the IP Address field.  
2. Enter the IP address into this field using Dotted Decimal Notation  
(DDN) format.  
For example: 134.141.79.120  
the beginning of the IP Address field. If the entry is not valid, the  
screen displays the message “INVALID IP ADDRESS OR FORMAT  
ENTERED”. Local Management does not alter the current value and  
refreshes the IP Address field with the previous value.  
4. Use the arrow keys to highlight the SAVE command, then press  
ENTER. The warning screen shown in Figure 5-10 displays.  
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General Configuration Screen  
Event Message Line  
WARNING!  
YOU HAVE ELECTED TO SAVE ONE OR MORE CONFIGURATION  
ITEMS THAT REQUIRE RESETTING THIS MODULE.  
ARE YOU SURE YOU WANT TO CONTINUE?  
YES  
NO  
174252  
Figure 5-10 Configuration Warning Screen  
5. Use the arrow keys to highlight the YES command and press ENTER.  
The changes are saved and the module reboots.  
5.7.2  
Setting the Subnet Mask  
If the management workstation that is to receive SNMP traps from the  
2H28-08R is located on a separate subnet, the subnet mask for the  
2H28-08R may need to be changed from its default.  
To change the subnet mask from its default, perform the following steps:  
1. Use the arrow keys to highlight the Subnet Mask field.  
2. Enter the subnet mask into this field using Dotted Decimal Notation  
(DDN) format.  
For example: 255.255.0.0  
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Chapter 5: Local Management  
beginning of the Subnet Mask field. If the entry is not valid, the screen  
displays the message “INVALID SUBNET MASK OR FORMAT  
ENTERED”. Local Management does not alter the current value, but  
it does refresh the Subnet Mask field with the previous value.  
4. Use the arrow keys to highlight the SAVE command. The warning  
screen shown back in Figure 5-10 displays.  
5. Use the arrow keys to highlight the YES command and press ENTER.  
The changes are saved and the module reboots.  
5.7.3  
Setting the Default Gateway  
If the SNMP management station is located on a different IP subnet than  
the 2H28-08R, a default gateway must be specified. When an SNMP trap  
is generated, the 2H28-08R sends the trap to the default gateway. To set  
the default gateway, perform the following steps:  
1. Use the arrow keys to highlight the Default Gateway field.  
2. Enter the IP address of the default gateway using the DDN format.  
For example: 134.141.79.121  
3. Press ENTER. If the default gateway entered is a valid format, the  
cursor returns to the beginning of the Default Gateway field. If the  
entry is not valid, the screen displays “INVALID DEFAULT  
GATEWAY OR FORMAT ENTERED”. Local Management does not  
alter the current value, but it does refresh the Default Gateway field  
with the previous value.  
4. Use the arrow keys to highlight the SAVE command.  
5. Press ENTER. The message “SAVED OK” displays at the top of the  
screen.  
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General Configuration Screen  
5.7.4  
Setting the TFTP Gateway IP Address  
If the network TFTP server is located on a different IP subnet than the  
2H28-08R, a Gateway IP address should be specified. To set the TFTP  
Gateway IP address, perform the following steps:  
1. Use the arrow keys to highlight the TFTP Gateway IP Addr field.  
2. Enter the IP address of the TFTP gateway using the DDN format.  
For example: 134.141.80.122  
3. Press ENTER. If the TFTP gateway IP address entered is a valid  
format, the cursor returns to the beginning of the TFTP Gateway IP  
Address field. If the entry is not valid, the screen displays “INVALID  
TFTP GATEWAY IP ADDRESS OR FORMAT ENTERED”. Local  
Management does not alter the current value, but it refreshes the TFTP  
Gateway IP Address field with the previous value.  
4. Use the arrow keys to highlight the SAVE command.  
5. Press ENTER. The message “SAVED OK” displays at the top of the  
screen.  
5.7.5  
Setting the Device Date  
The 2H28-08R is year 2000 compliant so that the Device Date field can  
be set beyond the year 1999.  
To set the device date, perform the following steps:  
1. Use the arrow keys to highlight the Device Date field.  
2. Enter the date in this format: MM/DD/YYYY  
It is not necessary to add separators between month, day, and  
year numbers, as long as each entry has the correct number of  
NOTE  
numeric characters. For example, to set the date to  
03/17/1997, type “03171997” in the Device Date field.  
3. Press ENTER to set the system calendar to the date in the input field.  
4. Use the arrow keys to highlight the SAVE command at the bottom of  
the screen and press ENTER.  
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Chapter 5: Local Management  
If the date entered is a valid format, the message displays “SAVED OK”  
at the top of the screen. If the entry is not valid, Local Management does  
not alter the current value, but it refreshes the Device Date field with the  
previous value.  
5.7.6  
Setting the Device Time  
To set the device time, perform the following steps:  
1. Use the arrow keys to highlight the Device Time field.  
2. Enter the time in this 24-hour format: HH:MM:SS  
When entering the time in the Device Time field, separators  
between hours, minutes, and seconds are not needed as long  
NOTE  
as each entry uses two numeric characters. For example, to set  
the time to 6:45 P.M., type “184500” in the Device Time field.  
3. Press ENTER to set the system clock to the time in the input field.  
4. Use the arrow keys to highlight the SAVE command at the bottom of  
the screen and press ENTER.  
If the time entered is a valid format, the message displays “SAVED OK”  
at the top of the screen. If the entry is not valid, Local Management does  
not alter the current value and refreshes the Device Time field with the  
previous value.  
5.7.7  
Entering a New Screen Refresh Time  
The screen refresh time is set from 3 to 99 seconds with a default of 3  
seconds. To set a new screen refresh time, perform the following steps:  
1. Use the arrow keys to highlight the Screen Refresh Time field.  
2. Enter a number from 3 to 99.  
If the entry is not valid, when you hit ENTER or try to exit the  
field using the arrow keys, the message “Permissible Range:  
NOTE  
3...99” displays momentarily and the field refreshes with the  
previous value.  
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General Configuration Screen  
3. Press ENTER to set the refresh time to the time entered in the input  
field.  
4. Use the arrow keys to highlight the SAVE command at the bottom of  
the screen and press ENTER.  
If the time entered is within the 3 to 99 seconds range, the message  
“SAVED OK” displays at the top of the screen.  
5.7.8  
Setting the Screen Lockout Time  
The screen lockout time can be set from 1 to 30 minutes, with a default of  
15 minutes. To set a new lockout time, perform the following steps:  
1. Use the arrow keys to highlight the Screen Lockout Time field.  
2. Enter a number from 1 to 30.  
If the entry is not valid, when you hit ENTER or try to exit the  
field using the arrow keys, the message “Permissible Range:  
NOTE  
1...30” displays momentarily and the field refreshes with the  
previous value.  
3. Press ENTER to set the lockout time in the input field.  
4. Use the arrow keys to highlight the SAVE command at the bottom of  
the screen and press ENTER.  
If the time entered is within the 1 to 30 minutes range, the message  
“SAVED OK” displays at the top of the screen.  
5.7.9  
Setting the Operational Mode  
To set the Operational Mode, proceed as follows:  
1. Use arrow keys to highlight the Operational Mode field.  
2. Press the SPACE bar to step to the appropriate operation mode  
(802.1D SWITCHING, 802.1Q SWITCHING, or SECURE FAST  
VLAN).  
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Chapter 5: Local Management  
3. Use the arrow keys to highlight the SAVE command, then press  
ENTER. The warning screen shown in Figure 5-11 displays.  
Event Message Line  
WARNING!  
YOU HAVE ELECTED TO SAVE ONE OR MORE CONFIGURATION  
ITEMS THAT REQUIRE RESETTING THIS MODULE.  
ARE YOU SURE YOU WANT TO CONTINUE?  
YES  
NO  
174252  
Figure 5-11 Configuration Warning Screen  
4. Use the arrow keys to highlight the YES command and press ENTER.  
The changes are saved and the device reboots.  
Upon saving the new operational mode, the device will reboot.  
NOTE  
If the 2H28-08R has been set to 802.1Q SWITCHING, refer to  
the Cabletron Systems Port Based VLAN User’s Guide to  
configure the devices for this type of operation.  
If the 2H28-08R has been set to SECURE FAST VLAN, refer to  
the Cabletron Systems SecureFast documentation set to  
configure the devices for this type of operation.  
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General Configuration Screen  
5.7.10 Configuring the COM Port  
Before altering the COM port settings, ensure that a valid IP  
address is set for the device. (Refer to Section 5.7.1, Setting  
the IP Address.) Read this entire COM port configuration  
section before changing the COM port settings.  
!
CAUTION  
The 2H28-08R COM port supports the following applications:  
Local Management connections  
American Power Conversion Uninterruptible Power Supply (UPS)  
connections  
Refer to the Release Notes included with the 2H28-08R to  
verify which COM Port applications are currently supported.  
NOTE  
To configure the COM port, proceed as follows:  
1. Use the arrow keys to highlight the Com field.  
Do NOT disable or alter the settings of the COM port while  
operating the current Local Management connection through a  
terminal. Altering the COM port settings disconnects the Local  
Management terminal from the port, and ends the Local  
Management session.  
!
CAUTION  
If you are disconnected accidently, and the 2H28-08R was  
previously assigned a valid IP address, reenter Local  
Management by establishing a Telnet connection to the device.  
If the device does not have a valid IP address and the COM  
port has been disabled or the settings changed, reset NVRAM  
on the 2H28-08R (refer to Appendix C, Section C.2.1) to  
reestablish COM port communications. Clearing NVRAM  
results in the loss of all user-entered parameters.  
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Chapter 5: Local Management  
2. Press the SPACE bar to choose either ENABLED or DISABLED.  
The COM port must be ENABLED if it will be used for Local  
Management or UPS applications. Select DISABLED if you wish to  
disable the COM port for device security.  
If the COM port is reconfigured without a valid IP address set  
on the device, the message shown in Figure 5-11 displays.  
Do not continue unless the outcome of the action is fully  
understood.  
!
CAUTION  
Event Message Line  
WARNING  
THE COM PORT HAS BEEN RECONFIGURED AND THERE IS NO IP  
ADDRESS SET FOR THIS DEVICE. YOU WILL NO LONGER BE ABLE  
TO MANAGE THIS BOARD. DO YOU STILL WISH TO RECONFIGURE  
THIS COM PORT?  
NO  
YES  
174252  
Figure 5-12 COM Port Warning Screen  
If the 2H28-08R has been configured with a valid IP Address,  
this screen will not appear.  
NOTE  
Go to Step 4 if you do not get the screen.  
3. Use the arrow keys to highlight YES. Press ENTER.  
4. If you ENABLED the port, proceed to step 5. If you DISABLED the  
port, use the arrow keys to highlight SAVE at the bottom of the screen,  
then press ENTER.  
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General Configuration Screen  
5. When the message “SAVED OK” appears, the edits are saved.  
Exiting without saving causes the message “NOT SAVED --  
NOTE  
PRESS SAVE TO KEEP CHANGES” to display. Exiting without  
saving causes all edits to be lost.  
5.7.10.1 Changing the COM Port Application  
After enabling the COM port as described in Section 5.7.10, you can  
The default application is LM.  
To change the COM port application:  
1. Use the arrows keys to highlight the Application field.  
2. Use the SPACE bar or BACKSPACE to toggle the available settings  
until the operation you require appears. Table 5-3 lists the available  
settings and their corresponding applications.  
Table 5-3 COM Port Application Settings  
Setting  
Application  
LM  
Local Management Session  
UPS  
APC Power Supply SNMP Proxy  
3. Press ENTER to accept the application.  
4. Use the arrow keys to highlight the SAVE command at the bottom of  
the screen, then press the ENTER key.  
5. When the message “SAVED OK” displays, the edits are saved.  
When the COM port is configured to perform the UPS  
application, all future Local Management connections must be  
made by establishing a Telnet connection to the device. Ensure  
!
CAUTION  
that the device has a valid IP address before saving changes to  
the COM port application. If the module does not have a valid  
IP address and the changes are saved, refer to Appendix C for  
instructions on clearing NVRAM in order to reestablish COM  
port communications.  
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Chapter 5: Local Management  
5.7.11 Clearing NVRAM  
Clearing NVRAM results in the loss of all user-entered  
parameters. Do not proceed unless the following procedure is  
completely understood.  
!
CAUTION  
Clearing NVRAM allows the user to clear all user-entered parameters,  
such as the IP address and community names from NVRAM.  
Clear NVRAM as follows:  
1. Use the arrow keys to highlight the Clear NVRAM field.  
2. Use the SPACE bar to toggle the field to YES.  
3. Use the arrow keys to highlight SAVE at the bottom of the screen.  
4. Press ENTER. The warning shown in Figure 5-13 displays.  
Event Message Line  
WARNING  
YOU HAVE ELECTED TO CLEAR NVRAM. THIS WILL CLEAR  
ALL SYSTEM DEFAULTS INCLUDING BUT NOT LIMITED TO  
IP ADDRESS, INTERFACE CONFIGURATION, AND COM PORT  
CONFIGURATION, THEN RESET THE BOARD.  
ARE YOU SURE YOU WANT TO CLEAR NVRAM?  
NO  
YES  
174251  
Figure 5-13 Clear NVRAM Warning Screen  
5. Use the arrow keys to highlight YES and press ENTER. The message  
“CLEARING NVRAM. REBOOT IN PROGRESS...” displays.  
6. The 2H28-08R clears NVRAM and reboots. All user-entered  
parameters return to the factory default settings.  
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SNMP Community Names Screen  
5.8  
SNMP COMMUNITY NAMES SCREEN  
The SNMP Community Names screen allows the user to set SNMP  
Management community names. Community names act as passwords to  
Local/Remote Management and are agents of security access to the  
2H28-08R. Access to the 2H28-08R is controlled by enacting any of three  
different levels of security authorization (read-only, read-write, and  
super-user).  
Super-user access gives the user full management privileges,  
allows existing passwords to be changed, and all modifiable  
NOTE  
MIB objects for the Cabletron Container MIB and Internet  
MIB-II to be edited.  
To access the SNMP Community Names screen from the Device  
Configuration Menu screen, use the arrow keys to highlight the SNMP  
COMMUNITY NAMES menu item and press ENTER. The SNMP  
Community Names screen, Figure 5-14, displays.  
Event Message Line  
2H28-08R LOCAL MANAGEMENT  
SNMP Community Names  
Device Type: 2H28-08R  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
Community Name  
Access Policy  
public  
public  
public  
read-only  
read-write  
super-user  
SAVE  
RETURN  
EXIT  
2286-16  
Figure 5-14 SNMP Community Names Screen  
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Chapter 5: Local Management  
The following explains each SNMP Community Names screen field:  
Community Name (Modifiable)  
Displays the user-defined name through which a user accesses the  
2H28-08R SNMP Management. Any community name assigned here acts  
as a password to Local/Remote Management.  
Access Policy (Read-Only)  
Indicates the access accorded each community name. The available  
access levels are as follows:  
read-only  
read-write  
super-user  
This community name gives the user read-only  
access to the 2H28-08R MIB objects, and  
excludes access to security-protected fields of  
read-write or super-user authorization.  
This community name gives the user read-write  
access to the 2H28-08R MIB objects, excluding  
security protected fields for super-user access  
only.  
This community name gives the user read-write  
access to the 2H28-08R MIB objects and  
allows the user to change all modifiable  
parameters including community names, IP  
addresses, traps, and SNMP objects.  
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SNMP Community Names Screen  
5.8.1  
Establishing Community Names  
The password used to access Local Management at the Password Screen  
must have super-user access to view and edit the SNMP Community  
Names screen. Using a password with read-only or read-write access does  
not allow the user to view or edit the SNMP Community Names screen.  
Any community name assigned in the SNMP Community  
Names screen is a password to its corresponding level of  
NOTE  
access to Local Management. The community name assigned  
super-user access is the only one that gives the user complete  
access to Local Management.  
To establish community names, proceed as follows:  
1. Use the arrow keys to highlight the Community Name field adjacent  
to the selected access level.  
2. Enter the password in the field (maximum 31 characters).  
3. Press ENTER.  
4. Repeat steps 1 through 3 to modify the other community names.  
5. Use the arrow keys to highlight the SAVE command at the bottom of  
the screen and press ENTER. The message “SAVED OK” displays.  
The community names are saved to memory and their access modes  
implemented.  
Exiting without saving causes a “NOT SAVED--PRESS SAVE  
TO KEEP CHANGES” message to display at the top left of the  
NOTE  
screen. Edits are lost if they are not saved before exiting.  
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Chapter 5: Local Management  
5.9  
SNMP TRAPS SCREEN  
Since the 2H28-08R is an SNMP compliant device, it can send messages  
to multiple Network Management Stations to alert users of status  
changes. The SNMP Traps screen is shown in Figure 5-15.  
To access the SNMP Traps screen from the Device Configuration Menu  
screen, use the arrow keys to highlight the SNMP TRAPS menu item and  
press ENTER. The SNMP Traps screen displays.  
Event Message Line  
2H28-08R LOCAL MANAGEMENT  
SNMP Traps  
Device Type: 2H28-08R  
Trap Destination  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
Trap Community Name  
Enable Traps  
0.0.0.0  
0.0.0.0  
0.0.0.0  
0.0.0.0  
0.0.0.0  
0.0.0.0  
0.0.0.0  
0.0.0.0  
public  
public  
public  
public  
public  
public  
public  
public  
[NO]  
[NO]  
[NO]  
[NO]  
[NO]  
[NO]  
[NO]  
[NO]  
SAVE  
EXIT  
RETURN  
2286-17  
Figure 5-15 SNMP Traps Screen  
The following explains each field of the SNMP Traps screen.  
Trap Destination (Modifiable)  
Indicates the IP address of the workstation to receive trap alarms. Up to  
eight different destinations can be defined.  
Trap Community Name (Modifiable)  
Displays the community name included in the trap message sent to the  
Network Management Station with the associated IP address.  
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SNMP Traps Screen  
Enable Traps (Toggle)  
Enables transmission of the traps to the network management station with  
the associated IP address. This field toggles between YES and NO.  
5.9.1  
Configuring the Trap Table  
To configure the Trap table, proceed as follows:  
1. Use the arrow keys to highlight the appropriate Trap Destination  
field.  
2. Enter the IP address of the workstation that is to receive traps. IP  
address entries must follow the DDN format.  
For example: 134.141.79.121  
3. Press ENTER. If an invalid entry is made, the message “INVALID IP  
ENTERED” displays.  
4. Use the arrow keys to highlight the Trap Community Name field.  
Enter the community name.  
5. Press ENTER.  
6. Use the arrow keys to highlight the Enable Traps field. Press the  
SPACE bar to choose either YES (send alarms from the 2H28-08R to  
the workstation), or NO (prevent alarms from being sent).  
7. Use the arrow keys to highlight the SAVE command and press  
ENTER. The message “SAVED OK” displays on the screen.  
Exiting without saving causes a “NOT SAVED?” message to  
appear above the SAVE command. Edits are lost if they are not  
NOTE  
saved before exiting.  
The designated workstations now receive traps from the 2H28-08R.  
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Chapter 5: Local Management  
5.10 SWITCH CONFIGURATION SCREEN  
The Switch Configuration screen will not be available if the  
NOTE  
operational mode of the module has been set to SECURE  
FAST VLAN. This screen may only be used by modules  
configured to operate as traditional or 802.1Q switches.  
The Switch Configuration screen, Figure 5-16, provides the basic setup  
options to make a switch operational in your network.  
To access the Switch Configuration screen from the Device Configuration  
Menu screen, use the arrow keys to highlight the SWITCH  
CONFIGURATION menu item and press ENTER. The Switch  
Configuration screen displays showing Ports 1 through 6. The optional  
ports, 7 and 8, will display also if Fast Ethernet Interface Modules are  
installed.  
Event Message Line  
2H28-08R LOCAL MANAGEMENT  
Switch Configuration  
Device Type: 2H28-08R  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
Type of STA:  
[DEC]  
300  
Switch Address: 00-00-1D-00-00-00  
Number of Ports:  
8
Age Time (sec):  
MAC Address  
Port #  
Status  
State  
00-00-1D-00-00-00  
00-00-1D-00-00-01  
00-00-1D-00-00-02  
00-00-1D-00-00-03  
00-00-1D-00-00-04  
00-00-1D-00-00-05  
00-00-1D-00-00-06  
00-00-1D-00-00-07  
1
2
3
4
5
6
7
8
[ENABLED]  
[DISABLED]  
[ENABLED]  
[DISABLED]  
[ENABLED]  
[DISABLED]  
[ENABLED]  
[ENABLED]  
learning  
disabled  
blocking  
disabled  
listening  
disabled  
forwarding  
forwarding  
SAVE  
RETURN  
EXIT  
2286-18  
Figure 5-16 Switch Configuration Screen  
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Switch Configuration Screen  
The following describes each field of the Switch Configuration screen:  
Switch Address (Read-Only)  
Displays the MAC address of the switch.  
Number of Ports (Read-Only)  
Displays the total number of switched ports on the 2H28-08R.  
Type of STA (Selectable)  
Allows the user to set the method that switches use to decide which  
switch is the controlling (Root) switch when two or more switches exist in  
parallel (Spanning Tree Algorithm). Valid selections are IEEE, DEC, and  
NONE. To set the STA, refer to Section 5.10.1.  
Age Time (Modifiable)  
Allows the user to set the amount of time (in seconds) that the 2H28-08R  
keeps an address in its switch table before discarding it. An address is  
automatically discarded when a valid Bridge Protocol Data Unit (BPDU)  
is not received from that address within the time specified in the Age Time  
field. To change the Age Time field from the default value of 300 seconds,  
refer to Section 5.10.2.  
Port # (Read-Only)  
Lists each switched port on the device.  
MAC Address (Read-Only)  
Displays the hardware address assigned to each listed port.  
State (Read-Only)  
There are five states that can display in this field. These states are  
described as follows:  
Disabled: Management disabled this interface. No traffic is received or  
forwarded while the interface is disabled.  
Learning: The switch is learning the addresses on this interface. The  
switch enters the learning state when the Transparent Database is  
created (during start-up or after being deleted), or when the Spanning  
Tree Algorithm detects a network topology change.  
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Listening: The switch is not adding information to the Transparent  
Database. The switch is monitoring the Bridge Protocol Data Unit  
(BPDU) traffic while preparing to move from the learning to the  
forwarding state.  
Forwarding: The switch is operating and this interface is forwarding  
traffic.  
Blocking: This interface will not forward any traffic through the switch  
because a loop condition has been detected by the STA.  
Status (Toggle)  
Allows the user to disable or enable a port by setting the status of the  
listed interface to either ENABLED or DISABLED. To set the port status,  
refer to Section 5.10.3.  
5.10.1 Setting the STA  
The Spanning Tree Algorithm (STA) setting allows the user to set the  
method that the switches use to decide which is the controller (Root)  
switch when two or more switches are in parallel. The available selections  
are IEEE, DEC, and NONE.  
To set the STA, proceed as follows:  
1. Use the arrow keys to highlight the Type of STA field.  
2. Use the SPACE bar to step to the appropriate setting of IEEE, DEC,  
or NONE.  
3. Use the arrow keys to highlight the SAVE command at the bottom of  
the screen.  
4. Press ENTER. The message “SAVED OK” displays.  
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Switch Configuration Screen  
5.10.2 Setting the Age Time Field  
To set the Age Time, proceed as follows:  
1. Use the arrow keys to highlight the Age Time field.  
2. Type in the desired Age Time in increments of 10. The available Age  
Time range is 10 to 1,000,000 seconds with the default value being  
300 seconds. Press the ENTER key.  
3. Use the arrow keys to highlight the SAVE command at the bottom of  
the screen.  
4. Press ENTER. The message “SAVED OK” displays.  
5.10.3 Setting (Enabling or Disabling) the Port Status  
To set the status of a port, proceed as follows:  
1. Use the arrow keys to highlight the Status field of the port.  
2. Use the SPACE bar to toggle to either ENABLED or DISABLED.  
3. Use the arrow keys to highlight the SAVE command at the bottom of  
the screen.  
4. Press ENTER. The message “SAVED OK” displays.  
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Chapter 5: Local Management  
5.11 ETHERNET INTERFACE CONFIGURATION  
Access the Ethernet Interface Configuration screen from the Device  
Configuration Menu screen by using the arrow keys to highlight the  
ETHERNET INTERFACE CONFIGURATION menu item and  
pressing ENTER. The Ethernet Interface Configuration screen displays.  
Event Message Line  
2H28-08R LOCAL MANAGEMENT  
Ethernet Interface Configuration  
Device Type: 2H28-08R  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
Port  
Port  
Link  
Current  
Desired  
Num  
Type  
Status  
Oper. Mode  
Oper. Mode  
Advertised Ability  
N/A  
1
2
FE-100FX  
FE-100FX  
No Link  
No Link  
100Base-FX  
[100Base-FX]  
100Base-FXFD  
[100Base-FXFD]  
N/A  
3
4
FE-100FX  
FE-100FX  
No Link  
No Link  
[100Base-FXFD]  
[100Base-FXFD]  
N/A  
N/A  
100Base-FXFD  
100Base-FXFD  
5
6
7
8
FE-100FX  
FE-100FX  
FE-100FX  
FE-100FX  
Link  
100Base-FXFD  
100Base-FXFD  
100Base-FX  
[100Base-FXFD]  
[100Base-FXFD]  
[Auto-Neg]  
N/A  
N/A  
No Link  
Link  
[10Base-TFD]  
[Enabled]  
100Base-FXFD  
Link  
[100Base-FXFD]  
N/A  
SAVE  
EXIT  
RETURN  
2159-23  
Figure 5-17 Ethernet Interface Configuration Screen for the 2H28-08R  
The following section briefly explains each field of the Ethernet Interface  
Configuration screen:  
Port Num (Read-only)  
Identifies the port number.  
Port Type (Read-only)  
Displays the name of the interface in ports 1 through 8. “Unknown” will  
be displayed for port 7 or 8 if a Fast Ethernet Module is not installed in  
those ports.  
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Ethernet Interface Configuration  
Link Status (Read-only)  
Indicates whether or not there is a physical connection from a particular  
port to another 10BASE-T, 100BASE-TX/FX, or  
100BASE-TXFD/FXFD device. One of the following values is displayed:  
Link There is a link signal present and a valid physical connection to  
another 10Base-T, 100Base-TX/FX, or 100Base-TXFD/FXFD device.  
No Link There is no link signal present and there is no valid physical  
connection to another device.  
Current Oper. Mode (Read-only)  
This field displays the current operating mode of a port. Depending on the  
interface installed (100BASE-FX, 100BASE-F3, or 100BASE-TX), this  
field displays the following:  
100Base-TX interface Auto-Neg, Unknown (if there is no link),  
10Base-T, 10Base-TFD (full duplex), 100Base-TX, or  
100Base-TXFD (full duplex).  
100Base-FX (multimode) or 100Base-F3 (single mode) interface –  
Unknown (if there is no link), 100Base-FX or 100Base-FXFD (full  
duplex).  
Desired Oper. Mode (Selectable)  
interface.  
FE-100TX Interface The field toggles betweenAuto-Neg, 10Base-T,  
10Base-TFD (full duplex), 100Base-TX, and 100Base-TXFD (full  
duplex). In normal operation, the port with an FE-100TX interface is  
capable of auto-negotiating the operational mode and no further user  
setup is required. See Section 5.11.3 for more details.  
FE-100FX/F3 Interface – The field toggles between 100Base-FX or  
100Base-FXFD (full duplex) operation. Section 5.11.1 describes how  
to configure a port with an FE-100FX or FE-100F3 interface.  
In normal operation, the port with an FE-100TX installed  
NOTE  
automatically establishes a link with the device at the other end  
of the segment without requiring user setup. However, Local  
Management provides the user with the option of manually  
configuring that port.  
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Advertised Ability (Selectable)  
During auto-negotiation, the FE-100TX informs the device at the other  
end of the segment what its capabilities are. The capabilities of a port with  
an FE-100TX installed are 10BASE-T, 10BASE-TFD (full duplex mode),  
100BASE-TX and 100BASE-TXFD (full duplex mode). In normal  
operation, with all capabilities enabled, the FE-100TX “advertises” that it  
has the ability to operate in any mode. The Network Manager may choose  
to set up the port so that only a portion of the available capabilities are  
advertised and the others are disabled. For example, only 100BASE-TX  
and 100BASE-TXFD might be enabled so that only devices that operate  
at 100 Mbps can communicate with that port. Section 5.11.4 describes  
how to enable or disable advertised modes.  
5.11.1 Configuring an FE-100FX Interface or a  
Port 7 or 8 FE-100FX/F3 Interface  
Whether configuring the fixed interface (ports 1–6) or an FE-100FX or  
FE-100F3 installed in port 7 or 8, the procedure is the same. The port  
must be manually set to operate in the same mode as the device at the  
other end of the connected segment. Use the Desired Oper. Mode field to  
set the FE-100FX or FE-100F3 ports. This field toggles between  
100BASE-FX and 100BASE-FXFD (full duplex). To set the active  
technology through Local Management, proceed as follows:  
1. Use the arrow keys to highlight the Desired Oper. Mode field.  
2. Use the SPACE bar to select 100Base-FX or 100Base-FXFD (full  
duplex).  
3. Press ENTER. The port now operates in the chosen mode.  
4. Use the arrow keys to highlight the SAVE command. Press ENTER.  
the changes to memory.  
5.11.2 Configuring an FE-100TX Interface  
In normal operation, a port with an FE-100TX interface automatically  
establishes a link with the device at the other end of the segment and no  
user setup is required. Section 5.11.3 and Section 5.11.4 provide  
instructions to manually configure the port with an FE-100TX installed.  
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Ethernet Interface Configuration  
5.11.3 Setting the FE-100TX Operational Mode  
Use this field to set the active technology. This field steps between  
Auto-Negotiation, 10BASE-T, 10BASE-TFD (full duplex),  
100BASE-TX, and 100BASE-TXFD (full duplex). If Auto-Negotiation is  
selected, the FE-100TX automatically sets the active technology. To  
manually set the active technology through Local Management, proceed  
as follows:  
1. Use the arrow keys to highlight the Desired Oper. Mode field.  
2. Use the SPACE bar to select the desired mode. Press ENTER. If any  
mode other than Auto-Negotiation is selected, the port only operates  
in the chosen mode and auto-negotiation is disabled.  
3. Use the arrow keys to highlight the SAVE command. Press ENTER.  
The message “SAVED OK” displays and Local Management saves  
the changes to memory. The selected mode is displayed in both the  
Desired Operational Mode field and the Current Operational Mode  
field.  
5.11.4 Setting the FE-100TX Advertised Ability  
During normal operation, a port (7 or 8) with an FE-100TX  
auto-negotiates to the highest speed possible. Under some circumstances,  
the Network Administrator may want the port to advertise only some of  
the available modes and not operate in other modes. This field steps  
between 10BASE-T, 10BASE-TFD (full duplex), 100BASE-TX, and  
100BASE-TXFD (full duplex). To set the advertised ability, proceed as  
follows:  
1. Use the arrow keys to highlight the Advertised Ability field.  
2. Use the SPACE bar to select the desired mode.  
3. Use the RIGHT-ARROW key to move across to the  
ENABLED/DISABLED field to the right of the selection.  
4. Use the SPACE bar to select ENABLED or DISABLED. Press  
ENTER.  
5. Use the LEFT-ARROW key to move back to the Advertised Ability  
selection and use the SPACE bar to select the next mode to enable or  
disable.  
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Chapter 5: Local Management  
6. Continue this process until you have completed enabling or disabling  
the advertised modes required.  
7. Use the arrow keys to highlight the SAVE command. Press ENTER.  
The message “SAVED OK” displays and Local Management saves  
the changes to memory.  
5.12 DEVICE SPECIFIC CONFIGURATION MENU  
SCREEN  
The Device Specific Configuration Menu screen, Figure 5-18, allows the  
user to select screens to configure ports or check system resources  
specific to the 2H28-08R.  
The following menu items on the Module Specific Configuration  
Menu screen may not display if the operational mode of the  
NOTE  
module has been set to SECURE FAST VLAN or 802.1Q  
SWITCHING:  
PORT REDIRECT FUNCTION  
BROADCAST SUPPRESSION  
When in SecureFast mode, the Device Configuration screen  
may not display the SMARTTRUNK CONFIGURATION menu  
item.  
Refer to the Release Notes to see if the functionality provided  
by the above screens is supported.  
Section 5.7.9 provides instructions on setting the operational  
mode.  
To access the Device Specific Configuration screen from the Device  
Configuration Menu screen, use the arrow keys to highlight the DEVICE  
SPECIFIC CONFIGURATION menu item and press ENTER. The  
Device Specific Configuration Menu screen displays.  
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Device Specific Configuration Menu Screen  
2H28-08R LOCAL MANAGEMENT  
Device Specific Configuration  
Device Type: 2H28-08R  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
SYSTEM RESOURCES  
FLASH DOWNLOAD  
PORT REDIRECT FUNCTION  
BROADCAST SUPPRESSION  
EXIT  
RETURN  
2286-20  
Figure 5-18 Device Specific Configuration Menu Screen  
Configuration Menu screen:  
SYSTEM RESOURCES  
The System Resources screen displays the amount of FLASH memory,  
DRAM and NVRAM installed, indicates the amount of available memory  
and provides information on 2H28-08R operation. For details, refer to  
Section 5.13.  
FLASH DOWNLOAD  
The FLASH Download screen allows the user to download a software  
image to FLASH memory. For details, refer to Section 5.14.  
PORT REDIRECT FUNCTION  
The Port Redirect Function screen allows the user to redirect traffic from  
one or multiple switch ports to a specific destination switch port. Port  
Redirect has also been referred to as Port Mirroring. For details, refer to  
Section 5.15.  
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BROADCAST SUPPRESSION  
The Broadcast Suppression screen allows the user to set a desired limit of  
received broadcast frames that are forwarded per port per second. For  
details, refer to Section 5.16.  
802.1Q VLAN CONFIGURATION  
This menu item will only appear on the Device Specific Configuration  
Menu screen if 802.1Q switching is chosen as the operational mode.  
Refer to the Cabletron Systems Port Based VLAN User’s Guide for  
information on how to configure the device for this type of operation.  
5.13 SYSTEM RESOURCES SCREEN  
The System Resources screen, Figure 5-19, provides information  
concerning the processor used in the 2H28-08R and the amount of  
FLASH memory, DRAM, and NVRAM that is installed and how much of  
that memory is available. This screen also allows the user to monitor the  
current processor (switch) utilization and the peak switch utilization.  
To access the System Resources screen from the Device Specific  
Configuration Menu screen, use the arrow keys to highlight the SYSTEM  
RESOURCES menu item and press ENTER. The System Resources  
screen displays.  
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System Resources Screen  
Event Message Line  
2H28-08R LOCAL MANAGEMENT  
System Resources  
Device Type: 2H28-08R  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
CPU Type: i960 HT 25 Mhz  
Flash Memory Installed : 4 MB  
Available:  
XXXXX Bytes  
XXXXX Bytes  
XXXXX Bytes  
DRAM Installed:  
NVRAM Installed:  
16 MB  
32 KB  
Available:  
Available:  
Current Switch Utilization: 66%  
Peak Switch Utilization: 75%  
Reset Peak Switch Utilization: [NO]  
RETURN  
RETURN  
SAVE  
EXIT  
2286-23  
Figure 5-19 System Resources Screen  
The following defines each field of the System Resources screen.  
CPU Type (Read-only)  
Indicates the microprocessor used in the 2H28-08R.  
Flash Memory Installed (Read-only)  
Indicates the amount of FLASH memory installed in the 2H28-08R and  
how much is currently available.  
DRAM Installed (Read-only)  
Indicates the amount of DRAM installed in the 2H28-08R and how much  
of it is currently available.  
NVRAM Installed (Read-only)  
Indicates the amount of NVRAM installed in the 2H28-08R and how  
much is currently available.  
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Current Switch Utilization (Read-only)  
Shows how much (percentage of processor capacity) of the 2H28-08R is  
currently being used.  
Peak Switch Utilization (Read-only)  
Shows the peak percentage of maximum switching capacity, since last  
reset.  
Reset Peak Switch Utilization (Toggle)  
Allows the user to reset the Peak Switch Utilization field. Setting the  
switch to YES resets the Peak Switch Utilization field.  
5.13.1 Setting the Reset Peak Switch Utilization  
To reset the Peak Switch Utilization field, proceed as follows:  
1. Use the arrow keys to highlight the Reset Peak Switch Utilization  
field.  
2. Press the SPACE bar to toggle the selection to YES.  
3. Use the arrows keys to highlight the SAVE command at the bottom of  
the screen.  
4. Press ENTER. The message “SAVED OK” displays.  
5.14 FLASH DOWNLOAD SCREEN  
The Flash Download screen, shown in Figure 5-20, allows the user to  
upgrade the device with a different firmware image.  
The user may also force the download of an image by changing  
the position of Switch 6 located inside the device. Refer to  
NOTE  
Section C.2.1, for details.  
Before downloading an image to the device, copy the image to the  
network TFTP server.  
For information about how to set up a workstation as a TFTP  
server, refer to the specific workstation documentation.  
NOTE  
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Flash Download Screen  
To access the Flash Download screen from the Device Specific  
Configuration Menu screen, use the arrow keys to highlight the FLASH  
DOWNLOAD menu item and press ENTER. The Flash Download  
screen displays.  
TFTP DOWNLOAD. WILL COMMIT TO FLASH. REBOOT IN PROGRESS...  
2H28-08R LOCAL MANAGEMENT  
Flash Download  
Device Type: 2H28-08R  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
Download Method:  
Reboot After Download:  
TFTP Gateway IP Addr:  
Last Image Server IP:  
Last Image File Name:  
Download Server IP:  
Download File Name:  
[TFTP]  
[YES]  
134.141.79.123  
134.141.79.121  
/tftpboot/2H28.hex  
134.141.79.121  
/tftpboot/2H28.hex  
EXECUTE  
EXIT  
RETURN  
2286-49  
Figure 5-20 Flash Download Screen  
Download Server IP and Download File Name display only  
when TFTP or RUNTIME are selected in Download Method.  
NOTE  
The following defines each field of the Flash Download screen:  
Download Method (Selectable)  
This field toggles between BOOTP, TFTP, and RUNTIME. If set for  
BootP, the device sends out a BootP request to determine the IP address of  
the TFTP server and the file name of the image to be downloaded. If set  
for TFTP or RUNTIME, the 2H28-08R attempts a TFTP download based  
on the IP address and file name entered in the fields at the bottom of the  
Flash Download screen. Section 5.14.3 describes how to download using  
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BootP. Section 5.14.1 describes how to download using TFTP.  
Section 5.14.2 describes how to download using Runtime.  
Reboot After Download (Modifiable only when user chooses RUNTIME)  
This field notifies the user that the 2H28-08R will reboot after completing  
the download. If a Runtime Download is performed, this field toggles  
between YES and NO. If YES is selected, the device reboots after the  
download is completed. If NO is selected, the device continues using the  
existing firmware image and stores the new firmware image in FLASH  
memory. When the device is reset or during the next power-up, the device  
boots from FLASH memory using the new image.  
TFTP Gateway IP Addr (Modifiable)  
This field shows the IP address of the TFTP gateway server defined on the  
General Configuration screen in Section 5.7.4.  
Last Image Server IP (Read-only)  
This field shows the IP address of the server used for the previous FLASH  
Download.  
Last Image File Name (Read-only)  
This field shows the complete path and file name of the last image  
downloaded to FLASH.  
If TFTP or RUNTIME is selected as the download method  
(Figure 5-20), the following two additional fields display:  
Download Server IP (Modifiable)  
The IP address of the TFTP server to be used for the FLASH download is  
entered in this field.  
Download File Name (Modifiable)  
The complete TFTP server path and file name of the new image is entered  
in this field.  
5.14.1 Image File Download Using TFTP  
To download a firmware image to the 2H28-08R using TFTP, proceed as  
follows:  
1. Use the arrow keys to highlight the Download Method field.  
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Flash Download Screen  
2. Use the SPACE bar to select TFTP.  
3. Use the arrow keys to highlight the TFTP Gateway IP Addr field.  
4. Set the IP address of the TFTP gateway server (this defaults to the  
same IP address as that set in the TFTP Gateway IP Addr field on the  
General Configuration screen). To set the IP address, refer to  
Section 5.7.4.  
5. Use the arrow keys to highlight the Download Server IP field.  
6. Enter the IP address of the TFTP server using the DDN format.  
For example: 134.141.79.121  
7. Use the arrow keys to highlight the Download File Name field.  
8. Enter the complete pathway and file name of the image stored on the  
download server.  
For example: /tftpboot/2H28.hex  
9. Use the arrow keys to highlight EXECUTE at the bottom of the screen  
and press ENTER. The message “TFTP DOWNLOAD. WILL  
COMMIT TO FLASH. REBOOT IN PROGRESS...” displays in the  
event message line at the top of the screen and the new image is  
downloaded into FLASH memory.  
5.14.2 Image File Download Using Runtime  
To download a firmware image to the 2H28-08R using Runtime, proceed  
as follows:  
1. Use the arrow keys to highlight the Download Method field.  
2. Use the SPACE bar to select RUNTIME.  
3. Use the arrow keys to highlight the Reboot After Download field.  
4. Use the SPACE bar to select either YES or NO. Select YES if you  
want the device to reboot after the download is completed. Select NO  
if you want the device to store the new image in FLASH memory until  
the device is reset or during the next power-up.  
5. Use the arrow keys to highlight the TFTP Gateway IP Addr field.  
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Chapter 5: Local Management  
6. Set the IP address of the TFTP gateway server (this defaults to the  
same IP address as that set in the TFTP Gateway IP Addr field on the  
General Configuration screen). To set the IP address, refer to  
Section 5.7.4.  
7. Use the arrow keys to highlight the Download Server IP field.  
8. Enter the IP address of the TFTP server using the DDN format.  
For example: 134.141.79.121  
9. Use the arrow keys to highlight the Download File Name field.  
10. Enter the complete pathway and file name of the image stored on the  
download server.  
For example: /tftpboot/2H28.fls  
11. Use the arrow keys to highlight EXECUTE at the bottom of the screen  
and press ENTER. The message “TFTP DOWNLOAD. WILL  
COMMIT TO FLASH. REBOOT IN PROGRESS...” displays in the  
event message line at the top of the screen and the new image is  
downloaded into FLASH memory.  
5.14.3 Image File Download Using BootP  
To download a firmware image to the 2H28-08R using BootP, proceed as  
follows:  
1. Use the arrow keys to highlight the Download Method field.  
2. Use the SPACE bar to select BOOTP.  
3. Use the arrow keys to highlight the TFTP Gateway IP Addr field.  
4. Set the IP address of the TFTP gateway server (this defaults to the  
same IP address set in the TFTP Gateway IP Addr field in the General  
Configuration screen). To set the IP address, refer to Section 5.7.4.  
5. Use the arrow keys to highlight EXECUTE at the bottom of the screen  
and press ENTER. The message “BOOTP DOWNLOAD. WILL  
COMMIT TO FLASH. REBOOT IN PROGRESS...” displays in the  
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Port Redirect Function Screen  
event message line at the top of the screen and the new image is  
downloaded into FLASH memory.  
5.15 PORT REDIRECT FUNCTION SCREEN  
The Port Redirect Function screen may not be available  
depending on the operational mode that has been set for the  
NOTE  
device. Refer to the Release Notes to see what operational  
modes support the Port Redirect function. Refer to  
Section 5.7.9 for instructions on configuring the operational  
mode of the device.  
The Port Redirect Function screen, Figure 5-21, allows the user to set  
each port as source or destination ports. A port can be set to have one or  
more destination ports. For example, port 1 can be set as a source port  
with three destinations, ports 2, 3, and 4. Traffic from port 1 is then  
automatically redirected to ports 2, 3, and 4. Port 1 can also serve as a  
destination port for other ports.  
The Port Redirect function is extremely useful for troubleshooting  
purposes, as it allows traffic to be sent to a particular port(s) where, with  
the use of an analyzer or RMON probe, all current traffic from the source  
port(s) can be examined.  
Although all traffic from the source port (including errored  
frames, if desired) is sent to the destination port, normal  
NOTE  
switching is still performed for all frames on the source port.  
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To access the Port Redirect Function screen from the Device Specific  
Configuration Menu screen, use the arrow keys to highlight the PORT  
REDIRECT FUNCTION menu item and press ENTER. The Port  
Redirect Function screen displays.  
Event Message Line  
2H28-08R LOCAL MANAGEMENT  
Port Redirect Function  
Device Type: 2H28-08R  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
Remap Errors  
-------------------  
Source Port:  
-----------------  
Destination Port:  
----------------------  
ON  
OFF  
ON  
ON  
ON  
ON  
ON  
ON  
1
1
1
1
2
2
3
3
2
3
4
1
3
4
5
6
Destination Port [1]  
Errors [ON]  
Status [ADD]  
Source Port [1]  
RETURN  
RETURN  
SAVE  
PREVIOUS  
NEXT  
EXIT  
2286-22  
Figure 5-21 Port Redirect Function Screen  
The following definitions briefly explain each field of the Port Redirect  
Function screen:  
Source Port (Read-only)  
Shows which ports are currently set as source ports.  
Destination Port (Read-only)  
Shows which ports are currently set as destination ports.  
Remap Errors (Read-only)  
This field shows the current state of the Remap Error setting for the  
specific port.  
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Port Redirect Function Screen  
Source Port [n] (Selectable)  
Allows a selected port [n] to be changed to a source port.  
Destination Port [n] (Selectable)  
Allows a selected port [n] to be changed to a destination port.  
Errors (Toggle)  
Allows the user to configure the source ports to either send errored frames  
to selected destination ports, or to drop errored frames, and send only  
valid traffic to the destination ports. The default setting of this field is ON.  
The current setting for the port is displayed in the Remap Errors field. For  
information on how to change the default setting, refer to Section 5.15.2.  
Status (Toggle)  
Allows the addition or deletion of the source and destination ports  
selected in the Source Port [n] and Destination Port [n] fields.  
5.15.1 Displaying the Source and Destination Entries  
There can be more than one Port Redirect Function screen depending on  
the number of port redirect entries. Each screen displays up to 8 port  
redirect entries. If there is more than one screen of redirect entries, the  
NEXT and/or PREVIOUS command displays at the bottom of the screen,  
allowing the user to navigate to either the next or previous screen.  
For example, with three screens of entries, the NEXT command displays  
at the bottom of the first screen. In the second screen, the NEXT and  
PREVIOUS commands display. In the last screen, only the PREVIOUS  
command displays.  
To display the screen following the one you are currently viewing, use the  
arrow keys to highlight NEXT. Press ENTER and the next screen of  
entries displays.  
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To display the screen preceding the one you are currently viewing, use the  
arrow keys to highlight PREVIOUS. Press ENTER to view the entries on  
the previous screen.  
5.15.2 Changing Source and Destination Ports  
Add or delete source port and destination port entries as follows:  
1. Use the arrow keys to highlight the Source Port field.  
2. Press the SPACE bar or BACKSPACE one or more times to increment  
or decrement the port number displayed in the brackets [n] until the  
appropriate port number displays.  
3. Use the arrow keys to highlight the Destination Port field.  
4. Use the SPACE bar or BACKSPACE to step to the appropriate port  
number for the destination port.  
5. Use the arrow keys to highlight the Errors field, for remap errors.  
6. Use the SPACE bar to select either the ON or OFF setting and press  
ENTER. ON forces the source port to forward errored frames to the  
destination port(s). OFF forces the error to be dropped before  
forwarding traffic.  
7. Use the arrow keys to highlight the Status field.  
8. Use the SPACE bar to select either the ADD or DEL (delete) setting.  
Press ENTER. This adds or deletes the port selections made in steps 2  
and 4 and also updates the screen Source Port and Destination Port list.  
To redirect more than one port, repeat steps 1 through 8 for  
each additional setting, then go to step 9 to save all the new  
NOTE  
settings at once.  
9. Use the arrow keys to highlight SAVE at the bottom of the screen.  
Press ENTER. The message “SAVED OK” displays. This saves the  
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new settings and updates the Source Port and Destination Port  
read-only fields.  
5.16 BROADCAST SUPPRESSION SCREEN  
The Broadcast Suppression screen, Figure 5-22, allows the user to set a  
desired limit of receive broadcast frames per port per second.  
The Broadcast Suppression screen will not be available if the  
operational mode of the device has been set to SECURE FAST  
NOTE  
VLAN or 802.1Q SWITCHING. Refer to your Release Notes to  
see what operational modes support Broadcast Suppression.  
Refer to Section 5.7.9 for instructions on configuring the  
operational mode of the module.  
Any broadcast frames received above the threshold setting are  
dropped.  
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To access the Broadcast Suppression screen from the Device Specific  
Configuration Menu screen, use the arrow keys to highlight the  
BROADCAST SUPPRESSION menu item and press ENTER. The  
Broadcast Suppression screen displays.  
Event Message Line  
2H28-08R LOCAL MANAGEMENT  
Broadcast Suppression  
Device Type: 2H28-08R  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
Port #  
Total RX  
Peak Rate  
150000  
150000  
150000  
150000  
150000  
150000  
150000  
150000  
Time Since Peak  
999:23:59  
999:23:59  
999:23:59  
999:23:59  
999:23:59  
999:23:59  
999:23:59  
999:23:59  
Threshold  
150000  
150000  
150000  
150000  
150000  
150000  
150000  
150000  
Reset Peak  
[NO]  
1
2
3
4
5
6
7
8
12345678910  
12345678910  
12345678910  
12345678910  
12345678910  
12345678910  
12345678910  
12345678910  
[NO]  
[NO]  
[NO]  
[NO]  
[NO]  
[NO]  
[NO]  
RETURN  
RETURN  
SAVE  
EXIT  
2286-56  
Figure 5-22 Broadcast Suppression Screen  
The following explains each field of the Broadcast Suppression screen:  
Port # (Read-only)  
Identifies the number of the port.  
Total RX (Read-Only)  
Displays the total number of broadcast frames received.  
Peak Rate (Read-Only)  
Displays the highest number of broadcast frames received in a one second  
interval.  
Time Since Peak (Read-Only)  
Displays the time since peak rate was achieved.  
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Broadcast Suppression Screen  
Threshold (Modifiable)  
Allows the user to set the desired limit of receive broadcast frames that  
will be forwarded per port per second.  
Reset Peak (Toggle)  
Allows the user to reset the Peak Rate counter. Resetting the Peak Rate  
also resets the Time Since Peak field. The Reset Peak field default  
position is NO.  
5.16.1 Setting the Threshold  
To set the Threshold, proceed as follows:  
1. Use the arrow keys to highlight the Threshold field for the selected  
port.  
2. Type in the numbers for the desired limit. Only enter values in  
increments of ten (for example; 10, 20, 30, etc.).  
3. Use the arrow keys to highlight the SAVE command at the bottom of  
the screen.  
4. Press ENTER. The message “SAVED OK” displays.  
5.16.2 Setting the Reset Peak Switch  
To use the Reset Peak field to clear the Peak Rate counter, proceed as  
follows:  
1. Use the arrow keys to highlight the Reset Peak field for the selected  
port.  
2. Press the SPACE bar to select YES.  
3. Use the arrows keys to highlight the SAVE command at the bottom of  
the screen.  
4. Press ENTER. The message “SAVED OK” displays and the Time  
Since Peak field is also reset.  
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Chapter 5: Local Management  
5.17 DEVICE STATISTICS MENU SCREEN  
The Device Statistics Menu screen, Figure 5-23, provides access to  
screens that allow the user to obtain switch statistics about frame traffic  
through each port, to view MIB-II statistics from each port, and to view  
RMON Statistics gathered by the RMON agent embedded in the  
2H28-08R.  
The following menu item on the Device Statistics Menu screen  
will not display if the operational mode of the device has been  
NOTE  
set to SECURE FAST VLAN:  
SWITCH STATISTICS  
Section 5.7.9 provides instructions on setting the operational  
mode.  
To access the Device Statistics Menu from the Device Menu screen, use  
the arrow keys to highlight the DEVICE STATISTICS menu item and  
press ENTER. The Device Statistics Menu screen displays.  
2H28-08R LOCAL MANAGEMENT  
Device Statistics Menu  
Device Type: 2H28-08R  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
SWITCH STATISTICS  
INTERFACE STATISTICS  
RMON STATISTICS  
RETURN  
EXIT  
2286-67  
Figure 5-23 Device Statistics Menu Screen  
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Switch Statistics Screen  
The Device Statistics Menu screen displays the following menu items:  
SWITCH STATISTICS  
The Switch Statistics screen lists the number of frames received,  
transmitted, filtered, and forwarded by each interface.  
INTERFACE STATISTICS  
The Interface Statistics screen provides the MIB-II statistics for each  
switched interface, on an interface-by-interface basis.  
RMON STATISTICS  
The RMON Statistics screen displays all the statistics gathered by the  
embedded RMON agent that is built into the 2H28-08R.  
5.18 SWITCH STATISTICS SCREEN  
The Switch Statistics screen, Figure 5-24, lists the number of frames  
received, transmitted, filtered, and forwarded by each interface.  
The Switch Statistics screen will not be available if the  
operational mode of the device has been set to SECURE FAST  
NOTE  
VLAN. This screen may only be used by a device configured to  
operate as an 802.1D or 802.1Q switch.  
To access the Switch Statistics screen from the Device Statistics Menu  
screen, use the arrow keys to highlight the SWITCH STATISTICS  
menu item and press ENTER. The Switch Statistics screen displays.  
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Event Message Line  
2H28-08R LOCAL MANAGEMENT  
Switch Statistics  
Device Type: 2H28-08R  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
Port #  
Frames Rcvd  
Frames Txmtd  
Frames Fltrd  
Frames Frwded  
1
2
3
4
5
6
7
8
100  
100  
100  
100  
100  
100  
100  
100  
100  
100  
100  
100  
100  
100  
100  
100  
0
0
0
0
0
0
0
0
100  
100  
100  
100  
100  
100  
100  
100  
CLEAR COUNTERS  
EXIT  
RETURN  
2286-26  
Figure 5-24 Switch Statistics Screen  
The Switch Statistics screen displays the following fields:  
Port # (Read-Only)  
Identifies the switched port interface number.  
Frames Rcvd (Read-Only)  
Displays the number of frames received by the switched port since last  
power-up or reset.  
Frames Txmtd (Read-Only)  
Displays the number of frames transmitted by the switched port since last  
power-up or reset.  
Frames Fltrd (Read-Only)  
Displays the number of frames filtered by the switched port since last  
power-up or reset.  
Frames Frwded (Read-Only)  
Displays the number of frames forwarded by the switched port.  
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Interface Statistics Screen  
CLEAR COUNTERS (Command)  
This command is used to reset all statistics counters to zero. For details on  
how to use this field, refer to Section 5.18.1.  
5.18.1 Using the Clear Counters Command  
1. Use the arrow keys to highlight the CLEAR COUNTERS field.  
2. Press ENTER to reset the counters for the selected port to zero.  
5.19 INTERFACE STATISTICS SCREEN  
The Interface Statistics screen, Figure 5-25, is used to gather MIB-II  
statistics for all of the 2H28-08R interfaces (ports 1 through 6) and Fast  
Ethernet Interface Module(s) (ports 7 and 8).  
To access the Interface Statistics screen, use the arrow keys to highlight  
the INTERFACE STATISTICS menu item on the Device Statistics  
Menu screen and press ENTER. The Interface Statistics screen displays.  
Event Message Line  
2H28-08R LOCAL MANAGEMENT  
Interface Statistics  
Device Type: 2H28-08R  
Interface: 1  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
Name: Fast Ethernet Frontpanel  
InOctets:  
7500456  
Address:  
00-00-1D-00-00-00  
InUnicast:  
6789  
Last Change:  
Admin Status:  
Oper Status:  
xx days 00:00:00  
InNonUnicast:  
InDiscards:  
InErrors:  
0
0
0
0
0
0
0
0
0
0
UP  
UP  
InUnknownProtos:  
OutOctets:  
MTU:  
1514  
Speed:  
100000000  
OutUnicast:  
OutNonUnicast:  
OutDiscards:  
OutErrors:  
Link Status:  
LINK  
Duplex Mode:  
100BASE-FX  
OutQLen:  
CLEAR COUNTERS  
Interface: [ 1 ]  
EXIT  
RETURN  
2286_64  
Figure 5-25 Interface Statistics Screen  
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The following defines each field of the Interface Statistics screen:  
Interface (Read-Only)  
This field displays the interface number for which statistics are currently  
being displayed. Figure 5-25 shows the interface field displaying 1. This  
represents Port 1 of the module. To view other interface statistics refer to  
Section 5.19.1.  
Name (Read-Only)  
The Name field displays the type of port for which statistics are being  
displayed.  
InOctets (Read-Only)  
This field displays the total number of octets (bytes) that have been  
received on the interface. This includes all octets from bad frames, and  
framing characters.  
InUnicast (Read-Only)  
The InUnicast field displays the total number of frames that have been  
received that were sent to a single address.  
InNonUnicast (Read-Only)  
This field displays the total number of frames that have been received that  
were delivered to a broadcast or multicast address.  
InDiscards (Read-Only)  
The InDiscards field displays the total number of inbound frames that  
were discarded, even though the frames contained no errors. This field  
may increment because the switch needed to free up buffer space, or the  
switch was being overutilized.  
InErrors (Read-Only)  
This field displays the total number of inbound frames that have been  
discarded because they contained errors. This field represents the total  
number of errored frames, regardless of the cause of the error.  
InUnknownProtos (Read-Only)  
The InUnknownProtos field displays the total number of frames that were  
discarded because the frames were in an unknown or unsupported format.  
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Interface Statistics Screen  
OutOctets (Read-Only)  
This field displays the total number of octets (bytes) that have been  
transmitted from the interface.  
OutUnicast (Read-Only)  
The OutUnicast field displays the total number of frames transmitted that  
were sent to a single address.  
OutNonUnicast (Read-Only)  
This field displays the total number of frames transmitted to a broadcast  
or multicast address.  
OutDiscards (Read-Only)  
The OutDiscards field displays the total number of outbound frames that  
were discarded, even though the frames contained no errors. This field  
may increment, because the switch needed to free up buffer space, or the  
switch was being overutilized.  
OutErrors (Read-Only)  
This field displays the total number of outbound frames discarded  
because they contained errors. This field represents the total number of  
errored frames, regardless of the cause of the error.  
OutQLen (Read-Only)  
The OutQLen field displays the length of the frame queue. The field  
represents the total number of frames that can be contained in the queue.  
Address (Read-Only)  
This field displays the MAC address of the interface that is currently  
being displayed.  
Last Change (Read-Only)  
This field displays the last time that the interface was reset.  
Admin Status (Read-Only)  
This field displays the current status of the interface. If this field displays  
“Testing”, no frames may be passed on this interface.  
Oper Status (Read-Only)  
This field displays the current status of the interface. If this field displays  
“Testing”, no frames may be passed on this interface.  
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MTU (Read-Only)  
The MTU (Maximum Transmission Unit) field displays the maximum  
frame size (in octets) that a frame may contain to be received or  
transmitted from this interface.  
Speed (Read-Only)  
The Speed field displays an estimate of the interface’s current bandwidth  
in bits per second.  
Link Status (Read-Only)  
This field displays the current link status of the interface. This field  
displays either “Link” or “No Link”.  
Duplex Mode (Read-Only)  
This field indicates whether the interface is operating in normal (standard)  
or full duplex mode. This field displays the actual setting of the port, or  
“Standard”, or “Full Duplex”.  
Interface [nn] (Command)  
This field is used to select an interface number for viewing statistics. For  
instructions on how to use this field refer to Section 5.19.1.  
CLEAR COUNTERS (Command)  
This command is used to reset all statistic counters to zero. For details on  
how to use this field, refer to Section 5.19.2.  
5.19.1 Displaying Interface Statistics  
To display the statistics for any interface, proceed as follows:  
1. Use the arrow keys to highlight the Interface [nn] field at the bottom  
of the screen.  
2. Press the SPACE bar to increment (or press the DEL [delete] key to  
decrement) the interface number.  
Press ENTER (neither the Interface # field nor the statistics will update  
until ENTER is pressed).  
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RMON Statistics Screen  
5.19.2 Using the Clear Counters Command  
To reset all the statistics counters of the selected interface to zero, perform  
the following steps:  
1. Use the arrow keys to highlight the CLEAR COUNTERS field.  
2. Press ENTER to reset the counters for the selected interface to zero.  
5.20 RMON STATISTICS SCREEN  
RMON statistics for each interface, on a interface-by-interface basis, are  
viewed through the RMON Statistics screen shown in Figure 5-26.  
Access the RMON Statistics screen by using the arrow keys to highlight  
the RMON STATISTICS menu item on the Device Statistics Menu  
screen and pressing ENTER. The RMON Statistics screen displays.  
Event Message Line  
2H28-08R LOCAL MANAGEMENT  
RMON Statistics  
Device Type: 2H28-08R  
Firmware Revision:  
XX.XX.XX  
BOOTPROM Revision: XX.XX.XX  
RMON Index:  
Data Source:  
1
Owner: monitor  
Status: valid  
IfIndex.1  
Drop Events:  
Collisions:  
0
0
0
0
0
0
0
0
0
Total Packets:  
Total Octets:  
64 Octets:  
0
0
0
0
0
0
0
0
Broadcast Pkts:  
Multicasts:  
65  
-
127 Octets:  
255 Octets:  
511 Octets:  
1023 Octets:  
CRC Align Errors:  
Undersized Pkts:  
Oversized Pkts:  
Fragments:  
128  
256  
512  
-
-
-
1024 - 1518 Octets:  
Jabbers:  
CLEAR COUNTERS  
Index: [ 1 ]  
EXIT  
RETURN  
2286_65  
Figure 5-26 RMON Statistics Screen  
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The following defines each field on the RMON Statistics screen:  
RMON Index (Read-Only)  
This field displays the current Ethernet interface for which statistics are  
being shown. The 2H28-08R has an embedded RMON agent that gathers  
statistics for each interface on the module.  
Data Source (Read-Only)  
This field displays the source of the statistics data that is currently being  
displayed on the screen. Figure 5-26 shows that the data source for this  
RMON index is Interface 1 by displaying the name IfIndex.1. If the  
screen was displaying RMON statistics for Interface 4, the name  
displayed would be IfIndex.4.  
Owner (Read-Only)  
This field displays the name of the entity that configured this entry.  
Status (Read-Only)  
The Status field displays the current operating status of the displayed  
interface. This field displays “Valid” or “Invalid”.  
Drop Events (Read-Only)  
This field displays the total number of times that the RMON agent was  
forced to discard frames due to the lack of available switch resources.  
The Drop Events field does not display the number of frames  
dropped, it only displays the number of times that the RMON  
NOTE  
agent was forced to discard frames.  
Collisions (Read-Only)  
This field displays the total number of collisions that have occurred on  
this interface.  
Broadcast Pkts (Read-Only)  
The Broadcast Pkts field displays the total number of good frames that  
were directed to the broadcast address. This number does not include  
multicast frames.  
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RMON Statistics Screen  
Multicasts (Read-Only)  
The Multicasts field displays the total number of good frames received  
that were directed to a multicast address. This number does not include  
frames directed to the broadcast address.  
CRC Alignment Errors (Read-Only)  
This field displays the number of frames with bad Cyclic Redundancy  
Checks (CRC) received from the network. The CRC is a 4-byte field in  
the data frame that ensures that the data received is the same as the data  
that was originally sent.  
Undersized Pkts (Read-Only)  
The Undersized Pkts field displays the number of frames received whose  
size was less than the minimum Ethernet frame size of 64 bytes, not  
including preamble, but have a valid CRC.  
Oversized Pkts (Read-Only)  
The Oversized Pkts field displays the number of frames received whose  
size exceeded 1518 data bytes, not including preamble, but have a valid  
CRC.  
Fragments (Read-Only)  
This field displays the number of received frames that are not the  
minimum number of bytes in length or received frames that had a bad  
Frame Check Sequence (FCS), were less than 64 bytes in length  
(excluding framing bits, but including FCS bytes), and have an invalid  
CRC.  
It is normal for the Fragments field to increment. This is  
because the RMON agent increments the field when runts  
NOTE  
(undersized frames) are detected (which are normal  
occurrences due to collisions) and when noise hits occur.  
Jabbers (Read-Only)  
This field displays the total number of frames that were greater than 1518  
bytes and had either a bad FCS or a bad CRC.  
Total Packets (Read-Only)  
This field displays the total number of frames (including bad frames,  
broadcast frames, and multicast frames) received on this interface.  
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Chapter 5: Local Management  
Total Octets (Read-Only)  
This field displays the total number of octets (bytes) of data, including  
those in bad frames, received on this interface.  
64 Octets (Read-Only)  
Displays the total number of frames including bad frames, received that  
were 64 bytes in length (excluding framing bits, but including FCS bytes).  
65 - 127 Octets (Read-Only)  
Displays the total number of frames, including bad frames, received that  
were between 65 and 127 bytes in length (excluding framing bits, but  
including FCS bytes).  
128 - 255 Octets (Read-Only)  
Displays the total number of frames, including bad frames, received that  
were between 128 and 255 bytes in length (excluding framing bits, but  
including FCS bytes).  
256 - 511 Octets (Read-Only)  
Displays the total number of frames, including bad frames, received that  
were between 256 and 511 bytes in length (excluding framing bits, but  
including FCS bytes).  
512 - 1023 Octets (Read-Only)  
Displays the total number of frames, including bad frames, received that  
were between 512 and 1023 bytes in length (excluding framing bits, but  
including FCS bytes).  
1024 - 1518 Octets (Read-Only)  
Displays the total number of frames, including bad frames, received that  
were between 1024 and 1518 bytes in length (excluding framing bits, but  
including FCS bytes).  
Index [nn] (Command)  
This command is used to enter an index number for viewing statistics. For  
instructions on how to use this command refer to Section 5.20.1.  
CLEAR COUNTERS (Command)  
This command is used to reset all statistic counters to zero. For details on  
how to use this command, refer to Section 5.20.2.  
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RMON Statistics Screen  
5.20.1 Displaying RMON Statistics  
To display the statistics for any interface, proceed as follows:  
1. Use the arrow keys to highlight the Index [XX] field at the bottom of  
the screen.  
2. Press the SPACE bar to increment (or press the DEL [delete] key to  
decrement) the index number.  
3. Press ENTER (neither the RMON Index # field nor the statistics will  
update until ENTER is pressed).  
5.20.2 Using the Clear Counters Command  
To reset all the statistics counters of the selected interface to zero, perform  
the following steps:  
1. Use the arrow keys to highlight the CLEAR COUNTERS field.  
2. Press ENTER, the counters for the selected index are reset to zero.  
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Chapter 5: Local Management  
5.21 NETWORK TOOLS  
The Network Tools function allows the user to access and manage  
network devices. Figure 5-27 shows the Network Tools Help screen.  
To access the Network Tools screen, use the arrow keys to highlight the  
NETWORK TOOLS menu item in the Device Menu screen and press  
ENTER. The Network Tools screen displays.  
Welcome to Network Tools  
-> help  
Commands Available to the User:  
Built in Commands:  
arp  
bridge  
ping  
defroute  
reset  
netstat  
show  
traceroute  
soft_reset  
SPECIAL:  
telnet  
link_trap  
done, quit, or exit - Exit from the Network Tools.  
For help with a specific command, type 'help <command>'.  
->  
22511-75  
Figure 5-27 Network Tools Screen  
The Network Tools functions are performed using a series of commands.  
Entering commands in Network Tools involves typing the command to be  
executed at the Network Tools prompt, adding any desired or required  
extensions, and pressing ENTER.  
There are three categories of commands in the command set:  
Built-in Commands Allow the user to access and manage network  
devices. The commands are: arp, bridge, defroute, netstat, ping,  
reset, show, traceroute, soft_reset, telnet, and link_trap.  
Special Commands Allow the user to exit from Network Tools. The  
commands are done, exit, and quit.  
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Network Tools  
help If “help” is typed at the prompt, once ENTER is pressed, the  
screen will display all commands available for the device.  
the  
The conventions used in describing the commands in Network  
Tools are as follows:  
NOTE  
Arguments enclosed by [ ] are required.  
Arguments enclosed by < > are optional.  
In the following command examples, the information entered by  
user is shown in bold Helvetica font.  
To abort the output or interrupt a process, press the CONTROL  
key and c key simultaneously, designated as ^C here.  
The commands are presented in the following format:  
command:  
Syntax:  
Shows the required command format. It  
indicates where arguments, if any, must be  
specified.  
Description:  
Options:  
Briefly describes the command and its uses.  
Lists any additional fields in the appropriate  
format which may be added to the command.  
Example:  
Shows an example of the command.  
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Chapter 5: Local Management  
5.21.1 Built-in Commands  
The built-in commands listed in this section activate functions on the LM  
managed device or devices being accessed through Network Tools.  
arp:  
Syntax:  
arp [options]  
Description:  
The arp command provides access to the ARP  
(Address Resolution Protocol) cache, enabling  
you to view cache data, delete entries, or add a  
static route. Super-user access is required to  
delete an entry or add a static route.  
Each ARP cache entry lists the network  
interface that the device is connected to, the  
device’s network address or IP address, the  
device’s physical address or MAC address, and  
the media type of connection to the device.  
Media types display as numbers, which stand  
for the following states:  
1 - Other  
2 - Invalid entry (cannot ping device, timed out,  
etc.)  
3 - Dynamic route entry  
4 - Static route entry (not subject to change)  
You must specify the arp command with one of the following options:  
Options:  
-a Views cache data  
-d Deletes an IP address entry. Requires  
additional arguments: [Interface Number]  
[IP address]  
-s Adds a static entry. Requires additional  
arguments: [Interface Number] [IP address]  
[MAC address]  
-f Flushes the ARP cache  
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Network Tools  
Example:  
-> arp -a  
Media Type  
3(dynamic)  
3(dynamic)  
3(dynamic)  
3(dynamic)  
# Interface  
# (SonicInt)  
# (SonicInt)  
# (SonicInt)  
# (SonicInt)  
Network Address  
122.144.40.111  
122.144.48.109  
122.144.52.68  
122.144.21.43  
Physical Address  
00.00.0e.12.3c.04  
00.00.0e.f3.3d.14  
00.00.0e.12.3c.04  
00.00.0e.03.1d.3c  
-> arp -d 1 122.144.52.68  
-> arp -s 1 22.44.2.3 00:00:0e:03:1d:3c  
-> arp -f  
05141-67  
bridge:  
Syntax:  
bridge [ENABLE/DISABLE] [IFNUM/ALL]  
Description:  
The bridge command allows bridge  
management to be enabled or disabled at the  
user’s request, either one at a time or all at once.  
Specifying a single interface number will affect  
the bridging status of that interface, while  
specifying ALL will affect every interface.  
Options:  
Not Applicable  
Example:  
-> bridge disable all  
-> bridge enable 1  
-> bridge disable 1  
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defroute:  
Syntax:  
defroute  
defroute [interface number] [IP address]  
defroute delete [interface number] [IP address]  
Description:  
The defroute command allows the user, in the  
syntax order shown above, to view, set, or  
delete the default IP route to a managed device  
through the specified interface.  
Options:  
Not Applicable  
Example:  
-> defroute 2 147.152.42.32  
# Default route is 147.152.42.32 on interface 2  
-> defroute  
# Default route is 147.152.42.32 on interface 2  
-> defroute delete  
# Default route is not currently set.  
->  
05141-69  
netstat:  
Syntax:  
netstat [option]  
Description:  
The netstat command provides a display of  
general network statistics for the managed  
device. The netstat command must be used with  
one of the two display options.  
Options:  
-i Displays status and capability information for  
each interface.  
-r Displays routing information for each  
interface.  
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Network Tools  
Example:  
-> netstat -i  
Speed  
Interface + Description  
Admin Oper MAC Addr  
MTU  
10000000  
10000000  
10000000  
10000000  
# 1 (ethernet -csmacd)  
# 2 (ethernet - csmacd)  
# 3 (ethernet - csmacd)  
# 4 (ethernet - csmacd)  
up  
up  
up  
up  
up  
up  
up  
up  
0x00 0x00 0x1d 0x07 0x50 0x0e  
0x00 0x00 0x1d 0x07 0x50 0x0f  
0x00 0x00 0x1d 0x07 0x50 0x10  
0x00 0x00 0x1d 0x07 0x50 0x11  
1514  
1514  
1514  
1514  
-> netstat -r  
Destination  
Next-hop  
Interface  
# Default Route  
# 134.141.0.0  
# 134.141.0.0  
DirectConnection  
DirectConnection  
DirectConnection  
1
2
3
05141-70  
ping:  
Syntax:  
ping [IP address]  
Description:  
The ping command generates an outbound ping  
request to check the status (alive/not alive) of a  
device at a specified IP address.  
Options:  
Not Applicable  
Example:  
-> ping 122.144.40.10  
122.144.40.10 is alive  
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reset:  
Syntax:  
reset  
Description:  
This reset command initiates a soft reset of the  
device.The reset command initializes the CPU  
processor, runs the onboard diagnostics, and  
restarts the software image, which restores the  
user configuration settings from NVRAM. The  
user will be queried to confirm the reset  
command to ensure against unwanted resets.  
The Network Tools connection to the device will be terminated  
upon execution of this command.  
TIP  
Options:  
Not Applicable  
Example:  
-> reset  
RESET: Are you *SURE*? ->Y  
17421-45  
show:  
Syntax:  
show [PROTOCOL] [TABLE]  
Description:  
The show command displays information  
concerning various components of the device.  
Protocols currently supported are IP, IPX,  
DECnet, and AppleTalk. Components of those  
protocols that are currently supported are ARP  
caches, route tables, FIB tables, server tables,  
and interface tables. The number of valid  
entries in the table will be displayed at the end  
of the table display.  
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Network Tools  
Options:  
Not Applicable  
Example:  
-> show Appletalk interfaces  
AdminStatus  
# Interface  
MTU Forwarding  
OperStatus  
Framing  
----------------------------------------------------------------------------------------------------------------------  
enabled  
disabled  
# 1  
# 2  
1500 enabled  
1500 disabled  
enabled  
disabled  
ethernet  
-> show IP ARP  
MediaType  
# Interface  
NetworkAddress  
PhysicalAddress  
----------------------------------------------------------------------------------------------------------------------  
3 (dynamic)  
3 (dynamic)  
# 3  
# 4  
#
123.456.40.1  
123.456.40.30  
00:00:1d:04:40:5d  
#Number of valid entries: 2  
17421-46  
traceroute:  
Syntax:  
traceroute [IP address]  
Description:  
The traceroute command generates a  
TRACEROUTE request to a specified IP  
address and provides a display of all next-hop  
routers in the path to the device. If the device is  
not reached, the command displays all next-hop  
routers to the point of failure.  
Options:  
Not Applicable  
Example:  
-> traceroute 122.144.11.52  
# next-hop[0] : 122.144.60.45  
# next-hop[1] : 122.144.8.113  
# next-hop[2] : 122.144.61.45  
# 122.144.11.52 is alive : 3 hops away.  
05141-77  
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soft_reset  
Syntax:  
soft_reset  
Description:  
This command restarts the software image,  
which restores the user configuration settings  
from NVRAM. The user will be queried to  
confirm the reset command to ensure against  
unwanted resets.  
The Network Tools connection to the device will be terminated  
upon execution of this command.  
TIP  
Options:  
Not Applicable  
Example:  
-> soft-reset  
RESET: Are you *SURE*? ->Y  
22511-76  
telnet:  
Syntax:  
telnet [IP address] <Port #>  
Description:  
The telnet command allows the user to  
communicate with another host (that supports  
Telnet connections) using the Telnet protocol.  
The user must specify the remote host using its  
IP address. The [IP address] field is mandatory.  
If no Port number is specified, telnet will  
attempt to contact the host at the default port.  
Options:  
Not Applicable  
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Network Tools  
Example:  
-> telnet 134.141.12.345  
Trying 134.141.12.345  
Connected to 134.141.12.345  
SunOS UNIX (server1)  
login:  
2251-77  
link_trap:  
Syntax:  
link_trap [enable/disable/status] <PORT/all>  
Description:  
The link_trap command allows link traps to be  
enabled or disabled when specifying a single  
port, or simultaneously when specifying “all”  
or no ports. When one or all ports are specified  
to enable, disable, or find their status, their  
current condition is displayed.  
Options:  
Not Applicable  
Example:  
-> link_trap status  
LINK TRAP STATUS:  
Port 1 is ENABLED  
Port 3 is ENABLED  
Port 5 is ENABLED  
Port 7 is DISABLED  
Port 2 is ENABLED  
Port 4 is ENABLED  
Port 6 is DISABLED  
Port 8 is DISABLED  
-> link_trap disable 2  
Link traps have been DISABLED on port 2  
-> link_trap disable all  
Link traps have been DISABLED on all ports (1-8)  
-> link_trap status 3  
Link traps are ENABLED on port 3  
linktrap  
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Chapter 5: Local Management  
5.21.2 Special Commands  
done, quit, exit:  
Syntax:  
done, quit, or exit  
Description:  
The done, quit, or exit command enables the  
user to exit from Network Tools and return to  
the Main Menu screen.  
Options:  
Not Applicable  
Example:  
-> done  
05141-72  
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APPENDIX A  
SPECIFICATIONS  
This appendix provides operating specifications for the 2H28-08R.  
Cabletron Systems reserves the right to change these specifications at any  
time without notice.  
A.1 DEVICE SPECIFICATIONS  
Processor:  
Intel i960 RISC processor  
Dynamic Random Access  
Memory (DRAM):  
16 MB  
4 MB  
FLASH Memory:  
A.2 PHYSICAL PROPERTIES  
Dimensions:  
7.11H x 43.18W x 46.99D (cm)  
2.8H x 17W x 18.5D (in)  
Weight (Unit) 2H28-08R:  
MTBF (Predicted):  
5.45 kg (12 lb)  
200,000 hours  
A.3 ELECTRICAL SPECIFICATIONS  
Line Input Range  
Volts (V)  
Input Current  
Amperes (A)  
Frequency  
Hertz (Hz)  
Input Power  
Volt Amps (VA)  
100–125 Vac  
200–240 Vac  
2.0 A  
1.0 A  
50/60 Hz  
200 VA  
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Appendix A: Specifications  
A.4 ENVIRONMENTAL REQUIREMENTS  
Operating Temperature:  
Storage Temperature:  
5°C to 40°C (41°F to 104°F)  
-30°C to 73°C (-22°F to 164°F)  
Operating Relative Humidity: 5% to 90% (non-condensing)  
A.5 INPUT/OUTPUT PORTS  
Fast Ethernet (100BASE-FX compliant)  
Ports 1 through 6:  
with SC type connectors, for multimode  
fiber optic cables.  
Slots for optional Fast  
Ethernet Interface Modules  
(ports 7 and 8):  
Slots accept three types of optional Fast  
Ethernet Interface Modules:  
A.6 COM PINOUT ASSIGNMENTS  
The COM port is a serial communications port that supports a connection  
to Local Management or connection to a UPS.  
Table A-1 shows the COM port pin assignments.  
Table A-1 COM Port Pin Assignments  
Pin  
Signal Name  
Input/Output  
1
2
3
4
5
6
7
8
Transmit Data (XMT)  
Output  
Output  
Input  
Input  
NA  
Data Carrier Detect (DCD)  
Data Set Ready (DSR)  
Receive Data (RCV)  
Signal Ground (GND)  
Data Terminal Ready (DTR)  
Request to Send (RTS)  
Clear to Send (CTS)  
Output  
Input  
NA  
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Regulatory Compliance  
A.7 REGULATORY COMPLIANCE  
This equipment meets the following safety and electromagnetic  
compatibility (EMC) requirements:  
Safety  
UL 1950, CSA C22.2 No. 950,  
EN 60950, IEC 950, and 73/23/EEC.  
EMC  
FCC Part 15, EN 55022, CSA C108.8,  
EN 50082-1, VCCI V-3,  
AS/NZS 3548, and 89/336/EEC.  
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Appendix A: Specifications  
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APPENDIX B  
FE-100TX, FE-100FX AND FE-100F3  
SPECIFICATIONS  
The 2H28-08R supports three Fast Ethernet Interface Modules:  
FE-100TX  
FE-100FX  
FE-100F3  
This appendix provides the specifications for these modules.  
B.1 FE-100TX  
The FE-100TX uses an RJ45 connector supporting Unshielded  
NOTE  
111 ohms.  
The slide switch on the FE-100TX determines the crossover status of the  
cable pairs. If the switch is on the X side, the pairs are internally crossed  
over. If the switch is on the = side, the pairs are not internally crossed  
over. Figure B-1 shows the pinouts for the FE-100TX in both positions.  
Position X  
(crossed over)  
Position =  
(not crossed over)  
1. RX+  
2. RX-  
3. TX+  
4. NC  
5. NC  
6. TX-  
7. NC  
8. NC  
5. NC  
6. RX-  
7. NC  
8. NC  
1. TX+  
2. TX-  
3. RX+  
4. NC  
x
=
10  
100  
FE-100TX  
16651_05  
Figure B-1 FE-100TX Pinouts  
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Appendix B: FE-100TX, FE-100FX and FE-100F3 Specifications  
B.2 FE-100FX  
The FE-100FX shown in Figure B-2 uses an SC style connector that  
supports multimode fiber optic cabling. Specifications for the FE-100FX  
are listed below.  
FE-100FX  
8
7
2159-30  
Figure B-2 FE-100FX  
Table B-1 Transmitter Power  
Cable Type  
Worst Case Budget  
Typical Budget  
50/125 µm fiber  
62.5/125 µm fiber  
100/140 µm fiber  
6.0 dB  
9.0 dB  
15.0 dB  
9.0 dB  
12.0 dB  
18.0 dB  
The transmitter power levels and receive sensitivity levels listed  
are peak power levels after optical overshoot. A peak power  
meter must be used to correctly compare the values given  
above to those measured on any particular port. If power levels  
are being measured with an average power meter, add 3 dB to  
the measurement to compare the measured values to the  
values listed above.  
NOTE  
B-2  
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FE-100F3  
B.3 FE-100F3  
The FE-100F3 shown in Figure B-3 uses an SC style connector that  
supports single mode fiber optic cabling. Specifications for the FE-100F3  
are listed in Table B-2.  
FE-100F3  
8
7
2159-31  
Figure B-3 FE-100F3  
Table B-2 Transmitter Power  
Cable Type  
Worst Case Budget  
Typical Budget  
8/125 µm fiber  
12/125 µm fiber  
>10.0 dB  
>10.0 dB  
<10.0 dB  
<10.0 dB  
The transmitter power levels and receive sensitivity levels listed  
are peak power levels after optical overshoot. A peak power  
meter must be used to correctly compare the values given  
above to those measured on any particular port. If power levels  
are being measured with an average power meter, add 3 dB to  
the measurement to compare the measured values to the  
values listed above.  
NOTE  
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Appendix B: FE-100TX, FE-100FX and FE-100F3 Specifications  
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APPENDIX C  
OPTIONAL INSTALLATIONS AND  
MODE SWITCH BANK SETTINGS  
ONLY QUALIFIED SERVICE PERSONNEL SHOULD  
ATTEMPT THE FOLLOWING PROCEDURES.  
NUR QUALIFIEZIERTE SERVICE PERSONNAL DIE  
FOLGENDE PROCEDURE FOLGEN SOLLTEN.  
SOLAMENTE PERSONAL CALIFICADO DEBE INTENTAR  
ESTE PROCEDIMIENTO.  
and to install the Fast Ethernet Interface Modules and the High Speed  
Interface Module.  
This appendix covers the following items:  
Required tools (Section C.1)  
Removing the chassis cover (Section C.2)  
Locations, functions, and settings for the mode switches  
(Section C.2.1)  
Installing Optional Fast Ethernet Interface Modules (Section C.3)  
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Appendix C: Optional Installations and Mode Switch Bank Settings  
C.1 REQUIRED TOOLS  
You need the following tools to perform the procedures provided in this  
appendix:  
Antistatic wrist strap (provided)  
Phillips screwdriver  
C.2 REMOVING THE CHASSIS COVER  
This section describes how to remove the 2H28-08R chassis cover.  
DO NOT REMOVE THE COVER FROM THE 2H28-08R  
WHILE POWER IS APPLIED TO THE UNIT. HAZARDOUS  
VOLTAGES ARE PRESENT AND COULD CAUSE PERSONAL  
INJURY AND/OR DAMAGE THE UNIT.  
DO NOT POWER UP THE 2H28-08R AGAIN UNTIL THE  
COVER AND SCREWS ARE IN PLACE.  
THIS UNIT MAY HAVE MORE THAN ONE POWER SUPPLY  
CORD. DISCONNECT TWO POWER SUPPLY CORDS  
BEFORE SERVICING TO AVOID ELECTRIC SHOCK.  
To remove the chassis cover, proceed as follows:  
1. Disconnect the 2H28-08R from the network as follows:  
a. Unplug both power cords from the rear of the chassis.  
TURN OFF THE 2H28-08R BY UNPLUGGING BOTH OF THE  
POWER CORDS FROM THE REAR OF THE CHASSIS.  
Before performing step b, mark the cables connected to the  
2H28-08R according to their associated port numbers. This is  
recommended for ease of reinstallation.  
TIP  
b. Disconnect all network cables attached to the 2H28-08R.  
C-2  
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2. If the 2H28-08R is rack mounted, remove it from the rack and remove  
the rackmount brackets (refer to Chapter 3, Optional Installations  
and Mode Switch Bank Settings).  
3. Use a Phillips screwdriver to remove the screws attaching the cover to  
the chassis. (See Figure C-1.)  
4. Remove the cover by sliding it back until it clears the front of the  
chassis and then lifting it straight up and off the chassis.  
To reinstall the chassis cover, perform the removal procedures in reverse.  
Chassis Cover  
Cover Screws (7)  
Chassis  
Front Panel  
Note: If the device was rack mounted, the four screws fastening the cover to  
the front panel are removed and installed along with the rackmount brackets.  
2251-30  
Figure C-1 Removing the Chassis Cover  
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Appendix C: Optional Installations and Mode Switch Bank Settings  
C.2.1 Setting the Mode Switch  
Figure C-2 shows the location of the mode switches and the switch  
settings for normal operation. These switches are set at the factory and do  
not need to be changed.  
TOP VIEW WITHOUT COVER  
Primary  
Power  
Supply  
Redundant  
Power  
Supply  
MODE SWITCH BANK  
Flash  
8
7
6
5
4
3
2
1
OFF  
ON  
DRAM  
FRONT PANEL  
2251-05  
Figure C-2 2H28-08R Mode Switch Location/Component Layout  
Switch definitions and positions are as follows:  
Switches 1 through 4 – For Cabletron Systems use only.  
Switch 5 – COM Port Autobaud. The default (OFF) position enables  
Autobaud sensing on the COM port for Local Management sessions.  
Changing the switch to the ON position disablesAutobaud sensing and  
sets the COM port to 9600 baud for Local Management sessions.  
C-4  
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Removing the Chassis Cover  
Switch 6 – Forced BootP. Do NOT attempt a Forced BootP unless a  
BootP server has been configured for the 2H28-08R. The BootP server  
references the location of a station acting as a Trivial File Transfer  
Protocol (TFTP) server containing the 2H28-08R image file. When the  
position of Switch 6 is changed and the power is cycled to the  
2H28-08R, the device requests the image file location from the BootP  
server and uses TFTP to download the image from the TFTP server. If  
one of these requirements is not met, the 2H28-08R will continue to  
request either the BootP server or the TFTP server until the RESET  
button on the 2H28-08R is pressed. Once the RESET button is pressed,  
the 2H28-08R will reset after one minute and load the image stored in  
FLASH memory.  
Switch 7 – Clear NVRAM. Changing the position of this switch resets  
NVRAM on the next power-up. All user-entered parameters, such as  
the IP address, device names, etc., are reset to the factory default  
settings. Once the 2H28-08R resets, you can either use the factory  
default settings or reenter your own parameters.  
Switch 8 – Reset Password/Community Strings. Changing the  
position of this switch clears user-entered passwords stored in  
NVRAM, and restores the factory default passwords on the next  
power-up. Once the 2H28-08R resets, you can either use the factory  
default settings or reenter your own passwords.  
Do not change the position of switch 8 unless it is necessary to  
reset the module super-user configured passwords to their  
factory default settings.  
NOTE  
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Appendix C: Optional Installations and Mode Switch Bank Settings  
C.3 INSTALLING OPTIONAL FAST ETHERNET  
INTERFACE MODULES  
Figure C-3 shows the locations of the Fast Ethernet Interface Module  
connectors for ports 7 and 8.  
TOP VIEW WITHOUT COVER  
Primary  
Power  
Supply  
Redundant  
Power  
Supply  
Connectors  
FRONT PANEL  
Optional Fast Ethernet  
Interface Modules  
Figure C-3 Fast Ethernet Interface Module Connector Location  
To install a Fast Ethernet Interface Module in port slot 7 or 8, proceed as  
follows:  
The FE-100F3 uses Class 1 lasers. Do not use optical  
instruments to view the laser output. The use of optical  
instruments to view laser output increases eye hazard. When  
viewing the output optical port, power must be removed from  
the network adapter.  
!
CAUTION  
The Fast Ethernet Interface Module and the 2H28-08R are  
sensitive to static discharges. Use an antistatic wrist strap and  
observe all static precautions during this procedure. Failure to  
do so could damage the module or the 2H28-08R.  
!
CAUTION  
C-6  
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Installing Optional Fast Ethernet Interface Modules  
When installing Fast Ethernet Interface Modules in both port  
slots 7 and 8, remove the coverplates from both slot openings.  
In the following instructions, the optional module is shown  
being installed in port slot 8.  
TIP  
1. Remove the coverplate from the port slot where the Fast Ethernet  
Interface Module will be installed. Refer to Figure C-4 and proceed as  
follows:  
a. Remove the two screws fastening the coverplate to the standoffs.  
Save the screws.  
b. Lift and remove the coverplate from the top of the front standoffs.  
Coverplate  
Rear  
Standoff  
Front  
Standoffs  
7
8
2251-38  
Figure C-4 Coverplate Removal  
2. Remove the screw from the rear standoff. Save the screw.  
When installing an FE-100FX or FE-100F3 module into the  
2H28-08R, remove the rubber plug on the module before  
NOTE  
proceeding.  
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Appendix C: Optional Installations and Mode Switch Bank Settings  
3. See Figure C-5. Gently pull the faceplate of the 2H28-08R forward to  
allow room for the Fast Ethernet Interface Modules to be aligned over  
the connector.  
In the following step, take care when inserting the Fast Ethernet  
Interface Module into the Motherboard connector, so that the  
pins do not bend. Otherwise, the Fast Ethernet Interface Board  
and the Motherboard could be damaged.  
!
CAUTION  
4. Carefully lower the Fast Ethernet Interface Module onto the standoffs  
while inserting the module connector into the associated motherboard  
connector.  
Module  
Module  
Connector  
10  
FE-100TX  
100  
Rear  
Standoff  
Motherboard  
Connector  
Front  
Standoffs  
7
8
2251-39  
Figure C-5 Installing the Fast Ethernet Interface Module  
5. Press down firmly on the Fast Ethernet Interface Module until the pins  
slide all the way into the motherboard connector. Ensure that the Fast  
Ethernet Interface Module seats flush on the standoffs.  
C-8  
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Installing Optional Fast Ethernet Interface Modules  
6. Secure the Fast Ethernet Interface Module with the screws saved in  
steps 1 and 2.  
Reinstall the rubber plug for the fiber port after the Fast  
Ethernet Interface Module is fully installed, if the port will not be  
NOTE  
connected immediately to the network. This will keep the  
connector free of dust and dirt.  
7. Reinstall the cover.  
2H28-08R SmartSwitch 2208 User’s Guide  
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Appendix C: Optional Installations and Mode Switch Bank Settings  
C-10  
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Device Menu screen 5-13  
Device time 5-18  
Document conventions 1-8  
Numerics  
100BASE-TX  
cable length 2-2  
10BASE-T  
connection 3-8  
2H28-08R  
front panel 1-2  
link status 5-41  
A
Access policy 5-32  
B
state 5-37  
Broadcast Suppression 1-5  
Broadcast Suppression screen 5-57  
peak rate 5-58  
port # 5-58  
F
reset peak 5-59  
threshold 5-59  
FE-100F3 B-3  
time since peak 5-58  
total RX 5-58  
Built-in Commands  
use of 5-72  
download method 5-49  
download server IP 5-50  
TFTP gateway IP addr 5-50  
C
Cable specifications  
100BASE-FX MMF 2-2  
100BASE-TX network 2-3  
Chassis cover, removal of C-2  
COM port 5-27  
pin assignments A-2  
Command Set 5-72  
Connecting to the network 3-8  
Crossover switch B-1  
G
General Configuration screen 5-16  
application 5-19  
COM port 5-27  
D
Default gateway 5-18, 5-22  
Device Configuration screen 5-14  
Device date 5-18  
default gateway 5-18, 5-22  
2H28-08R SmartSwitch 2208 User’s Guide  
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Index  
device date 5-18  
device time 5-18, 5-23, 5-24  
IP address 5-17, 5-20  
LANVIEW LEDs 4-1  
Local Management  
Password screen 5-8  
Local Management screens  
selection of 5-11  
MAC address 5-17  
Operational Mode 5-25  
screen lockout time 5-18, 5-25  
screen refresh time 5-18, 5-24  
subnet mask 5-17, 5-21  
H
M
Help 1-9  
related manuals 1-10  
I
Installation  
Interface Statistics Screen  
address 5-65  
admin status 5-65  
CLEAR COUNTERS 5-66  
duplex mode 5-66  
InDiscards 5-64  
InErrors 5-64  
InNonUnicast 5-64  
InOctets 5-64  
interface 5-64, 5-66  
InUnicast 5-64  
InUnknownProtos 5-64  
last change 5-65  
link status 5-66  
MTU 5-66  
name 5-64  
special commands 5-72  
done 5-82  
oper status 5-65  
OutDiscards 5-65  
OutErrors 5-65  
OutNonUnicast 5-65  
OutOctets 5-65  
OutQLen 5-65  
quit 5-82  
OutUnicast 5-65  
speed 5-66  
Network Tools screen, accessing  
of 5-72  
IP address 5-17, 5-20  
NVRAM clearing 5-30  
K
O
Keyboard conventions 5-2  
Operational Mode 5-25  
Index-2  
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Index  
P
Password screen 5-8  
Passwords 5-31  
laser iv  
Physical properties A-1  
Port Redirect Function 1-6  
destination port 5-54  
remap errors 5-54  
status 5-54  
Screen lockout time 5-25  
Device Menu screen 5-13  
R
Regulatory Compliance A-3  
Remap errors, changing 5-56  
RESET button 4-6  
RMON 1-5  
RMON Statistics screen  
1024 - 1518 octets 5-70  
128 - 255 octets 5-70  
256 - 511octets 5-70  
512 - 1023 octets 5-70  
64 octets 5-70  
65 - 127 octets 5-70  
broadcast pkts 5-68  
CLEAR COUNTERS 5-70  
collisions 5-68  
CRC alignment errors 5-69  
data source 5-68  
drop events 5-68  
fragments 5-69  
index 5-70  
jabbers 5-69  
access policy 5-32  
community name 5-32  
SNMP Traps screen 5-34  
enable traps 5-35  
trap community name 5-34  
trap destination 5-34  
multicasts 5-69  
oversized packets 5-69  
owner 5-68  
RMON index 5-68  
status 5-68  
total octets 5-70  
total packets 5-69  
undersized packets 5-69  
Runtime IP address discovery 1-4  
trap table configuration 5-35  
Spanning Tree Algorithm 5-37  
2H28-08R SmartSwitch 2208 User’s Guide  
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Index  
Special Commands  
use of 5-72  
Tools 5-82  
Specifications A-1  
Standards compatibility 1-6  
Subnet mask 5-17, 5-21  
Switch address 5-37  
age time 5-39  
MAC address 5-37  
number of ports 5-37  
port # 5-37  
port status 5-39  
selecting the STA 5-38  
status 5-38  
switch address 5-37  
type of STA 5-37  
Switch Statistics screen 5-61  
clearing counters 5-63  
frames fltrd 5-62  
frames frwded 5-62  
frames rcvd 5-62  
frames txmtd 5-62  
interface # 5-62  
Switching  
types supported 1-3  
System Resources screen  
CPU type 5-47  
current switch utilization 5-48  
DRAM installed 5-47  
NVRAM installed 5-47  
peak switch utilization 5-48  
T
Telnet connections 5-6  
TFTP Gateway IP addr 5-50  
Trap table configuration 5-35  
Traps  
enable 5-35  
Troubleshooting 4-1  
checklist 4-5  
Index-4  
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