Allied Telesis Switch at 8116 User Manual

Ethernet

Fast

Ethernet

AT-8116

Fast Ethernet

Intelligent Switch

U S E R ’ S G U I D E

PN 613-10699-00 Rev. A

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Table of Contents

Chapter 1

Administrative Interface ............................................................................................................................................. 1-1

Features ....................................................................................................................................................................................1-1

Network Management Systems ..............................................................................................................................................1-3

Accessing the SNMP Agent .......................................................................................................................................................1-3

System Requirements .................................................................................................................................................................1-3

Hardware Requirements ....................................................................................................................................................1-3

Software Requirements ......................................................................................................................................................1-4

VT100 Terminal Settings ............................................................................................................................................................1-4

Testing the Installation ...............................................................................................................................................................1-5

Accessing the Command Line Interface Remotely ..........................................................................................................1-5

Chapter 2

Command Line Interface ............................................................................................................................................ 2-1

Features of the Command Line Interface ............................................................................................................................2-1

Entering Commands ...................................................................................................................................................................2-2

System Commands ......................................................................................................................................................................2-4

Command Line Interface Structure .......................................................................................................................................2-5

Chapter 3

Console Commands ..................................................................................................................................................... 3-1

Chapter 4

System Commands ....................................................................................................................................................... 4-1

Chapter 5

IP Commands ................................................................................................................................................................ 5-1

Chapter 6

Address Resolution Commands ................................................................................................................................ 6-1

Chapter 7

Ping Commands ........................................................................................................................................................... 7-1

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Table of Contents

Chapter 8

SNMP Commands ........................................................................................................................................................ 8-1

SNMP Community String Commands .................................................................................................................................. 8-1

SNMP Trap Message Commands ............................................................................................................................................ 8-2

Chapter 9

Switching Database Commands ............................................................................................................................... 9-1

Learning Table ............................................................................................................................................................................... 9-2

Chapter 10

Virtual LAN Commands ........................................................................................................................................... 10-1

Virtual Broadcast Domains (VBC) ..........................................................................................................................................10-2

Chapter 11

Port Monitoring Commands ................................................................................................................................... 11-1

Chapter 12

Port Configuration Commands .............................................................................................................................. 12-1

Chapter 13

Switching Statistics Commands .............................................................................................................................. 13-1

Chapter 14

Spanning Tree Commands ....................................................................................................................................... 14-1

Chapter 15

Using an SNMP Manager .......................................................................................................................................... 15-1

Configuring the AT-8116 SNMP Agent ...............................................................................................................................15-1

Global Setup .........................................................................................................................................................................15-1

IP Setup ..................................................................................................................................................................................15-2

SNMP Setup ..........................................................................................................................................................................15-3

Chapter 16

Software Troubleshooting ........................................................................................................................................ 16-1

Appendix A

Software Downloading ................................................................................................................................................A-1

Requirements .................................................................................................................................................................................A-1

8116 TFTP Client Download Procedure ...............................................................................................................................A-1

8118 TFTP Server Download Procedure ...............................................................................................................................A-2

Appendix B

System Defaults ............................................................................................................................................................B-1

Appendix C

Command Line Reference ..........................................................................................................................................C-1

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Ch apter 1

Adm inistrative Interface

The Allied Telesyn International AT-8116 Fast Ethernet switch

provides a cost-effective solution for Ethernet and Fast Ethernet

connectivity.With 16 dual-speed 10/100 ports, the AT-8116 switch

delivers the port density and performance required for a wide range

of bandwidth-intensive applications.The autosensing 10/100 ports

allow for compatibility with today’s network while providing a

growth path for the future.

The AT-8116 is a simple-to-use switch that provides versatile

conﬁguration options for the network. It can be used to link hubs to

maximize performance in existing shared media LANs, aggregate

trafﬁc from workgroup switches, and provide dedicated bandwidth

for demanding applications such as client/server and multimedia

applications.

Features

The AT-8116 has the following major features:

❑ 16 dual-speed 10/100 TX ports autosensing

❑ Half/Full Duplex selectable on each port

❑ 1.6Gbps High Performance Switch

❑ Full Wire Speed on All Ports

❑ Support for up to 8K MAC addresses

❑ Port-based VLANs with support for up to 16 VLANs

❑ IEEE 802.1d spanning tree

❑ Port Mirroring

❑ SNMP Management

❑ RMON

1-1

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Administrative Interface

The AT-8116 contains a built-in SNMP agent running on the SNMP

Processor Board.This allows each unit to be managed from a

centralized management station via any SNMP-compliant NMS.

The SNMP agent software complies with the following standards:

❑ RFC1155 -The Structure ofManagement Information (SMI)for

TCP/IP Based Internets, May 1990

❑ RFC 1212 - The Management Information Base I (MIB I)

❑ RFC 1213 - The Management Information Base II (MIB II),

March 1991

❑ RFC 1284 - The Ethernet MIB

❑ RFC 1286 - The Bridge MIB

❑ RFC 1757 - The RMON MIB

❑ The UDP/IP stack implementation conforms to:

— RFC 1122-Requirements for Internet host-

communication layers.

— RFC 1123-Requirements for Internet host-applications

and support.

The AT-8116 also supports two private MIBs:switch.mib and

gswitch.mib.

The SNMP agent utilizes TFTP (RFC 1350), UDP/IP (RFC 768, RFC950,

RFC1071 and RFC791) as OSI layers 3 and 4 protocols, ICMP (RFC792)

and ARP (RFC826) to complete the UDP/IP protocol suite.

The UDP/IP stack implementation conforms to:RFC 1122-

Requirements for Internet hosts - communication layers. RFC

1123-Requirements for Internet hosts - application and support.

1-2

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AT-8116 User’s Guide

Network Man agem en t System s

Network management functions greatly assist in monitoring and

controlling your network.The AT-8116 can be monitored and

controlled through a generic SNMP-based NMS.The connection to

the AT-8116 may be achieved through Ethernet.

The AT-8116 can also be conﬁgured and managed through the

Command Line Interface.The process is described in detail in the

following pages.

Accessin g th e SNMP Agen t

This section describes how to use the console services to conﬁgure

and manage the AT-8116.

To access the console,connect a terminal to the AT-8116 RS-232 DB-9

connector.

System Requirem en ts

Hardware

❑ AT-8116 unit

Requirem en ts

❑ Either a VT100 terminal or a VT100 terminal emulator running

on a workstation or PC

❑ RS232 crossover cable with a 9-pin female D-subminiature

connector on one end and an appropriate connector on the

other end to attach to the VT terminal or VT100 terminal

emulator

1-3

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Administrative Interface

Software

Requirem en ts

If you are using a workstation, use the VT100 terminal emulation

software appropriate for your workstation.

If you are using a PC to emulate a VT100 terminal, you can use the

following software:

❑ In a DOS environment:

— MS-DOS 3.30 or later

— PROCOMM PLUS for DOS

❑ In a Windows 3.1 environment:

— Microsoft Windows 3.1 or later

— Windows Terminal or PROCOMM PLUS for Windows

❑ In Windows 95 or NT

— Hyperterminal

Note

Because of their compatibility and reliability, the software

combination listed above are recommended. Other applications may

also provide satisfactory results.

VT100 Term in al Settin gs

Use the following settings when connecting the VT100 terminal or

terminal emulator to the AT-8116.

❑ Communications Setup

— 9600 (baud)

— No Parity

— 8 Data Bits, 1 Stop Bit

— No Local Echo

— VT100 Mode

❑ Terminate the setup session by pressing Ctrl-C.

For details concerning using the SNMP agent, see Chapter 15,Using

an SNMP Manager.

1-4

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AT-8116 User’s Guide

Testin g th e In stallation

After you have completed the installation, use the CLI ping

command to test for connectivity. See Chapter 15,“Using an SNMP

Manager”.

The ping command sends an echo request to the host speciﬁed in

the command line. For example, to test connectivity from the switch

to a workstation with an IP address of 192.1.1.126, use the following

command:

SYS_console>ping 192.1.1.126 2

Use CTRL-C or ping-stop to stop the ping

process

SYS_console>192.1.1.126 Alive. echo reply: id

4643, seq 1, echo-data-len 0

191.1.1.126 Alive. echo reply: id 4643, seq 2,

echo-data-len 0

PING process stopped - statistics:

ICMP echo requests: 2

ICMP echo responses: 2

PING process - press <CR> for prompt

SYS_console>

Accessin g th e Com m an d Lin e In terface Rem otely

All commands work exactly as if the serial interface were being used.

Five telnet sessions may be active at any given time.This means that

after the ﬁfth telnet session is established, all other telnet

connections will be refused until one of the current sessions is

closed.

1-5

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Ch apter 2

Com m an d Lin e Interface

This chapter provides instructions for using the AT-8116 CLI.

Features of th e Com m an d Lin e In terface

The CLI provides the following:

❑ Configuration of system parameters, including the console’s

parameters

❑ Configuration of the switch’s SNMP Agent parameters

❑ Configuration of the ports’ parameters

❑ Network performance monitoring

❑ Virtual LANs operations

❑ Statistics operations

❑ Spanning Tree operations

2-1

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Command Line Interface

En terin g Com m an ds

Enter commands by typing the command name followed by zero or

more parameters and pressing <enter>. For example, typing

<banner> <enter>at the command prompt displays the

Administrative Interface logo.

Items typed in courier are to be typed literally, or read directly from

the screen.

Angled bracketed items are variables and represent values. For

example,<IPaddress>represents an IP address in dotted decimal

notation as 123.1.2.3.

Items in the Times New Roman font (this font) appearing on a line are

hints to the user (not actually displayed on the screen).

Items in { } and separated by | represent alternatives for the

argument.

get-comm {read | write | *}

means you can type one of:

get-comm read

get-comm write

get-comm *

If you enter a command incorrectly,a message is displayed indicating

the type of error that occurred. For example, typing a nonexistent

command gives the following message:

SYS_console> pin

command <pin> not found

If the command exists but the number of parameters is incorrect,the

following message is displayed:

SYS_console> ping

too few arguments

2-2

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AT-8116 User’s Guide

To get an explanation of the command’s parameters add a question

mark (?) after the command name:

SYS_console> ping ?

ping IP traffic generator

[arg #0] destination IP address

[arg #1] number of packets to send or 0 for

endless ping

SYS_console> ping

Note

The command is reprinted after the prompt, and the user has only to

add the necessary parameters. If a question mark is added after the

first parameter, then the same explanation is provided, and the

previous command, including the provided parameters, is

redisplayed.

SYS_console> ping 129.1.1.7 ?

ping IP traffic generator

[arg #0] destination IP address

[arg #1] number of packets to send or 0 for

endless ping

SYS_console> ping 129.1.1.7

The CLI provides a history of the last commands. In order to obtain

the last command in the the command history, press <!> or Ctrl-P at

the prompt .

To correct a command line you may use the following special keys

(see the help-kbd command):

❑ <!> or CTRL-P- for the previous command

❑ CTRL-W- o delete the previous word

❑ CTRL-U- to erase the entire line

2-3

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Command Line Interface

When, as a result of a command, more than one screen-full of text is

to be printed, the user may continue to scroll or stop the process.

SYS_console>system

System Com m an ds

Table 2-1 System Commands

sys-stat

get-stst-level

show system status

show the selftest level

set-stst-level

warm-reset

cold-reset

change the selftest level

warm reset of the device

cold reset of the device

get-last-err

init-nvram

get-sw-ﬁle

set-sw-ﬁle

get-tftp-srvr

set-tftp-srvr

set-tftp-mode

get-tftp-mode

sw-dnld

displays information about the last fatal error

initialize NVRAM to default values

retrieves the SNMP Agent Software ﬁle name

sets the SNMP Agent Software ﬁle name - for download

retrieves the TFTP download server IP address

sets the TFTP download server IP address

sets the TFTP download mode

retrieves the TFTP download mode

software download BY TFTP

set-fg-param

start-fg

sets the Ethernet frame generator parameters

starts the Ethernet frame generator

stop the Ethernet frame generator

stop-fg

2-4

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AT-8116 User’s Guide

Finally, the user may press <?> to see the list of commands which

start with the text he has already typed, eg:User pressed <?>

SYS_console>get-c?

command 'get-c' not found

SYS_console>get-co?

Table 2-2 Commands Matching <get-c>

get-comm

show current read or/and write community

retrieves the VLAN connectivity matrix

get-con-matrix

get-colls-cnt

gets the collision distribution counters per port

Com m an d Lin e In terface Structure

The CLI has several categories of commands:

❑ Console related commands: help, banner, console parameters

setup, etc.

❑ System related commands: reset commands, download

commands, initialize the NVRAM with defaults, etc.

❑ IP commands: parameter setup, parameter and information

display, etc.

❑ SNMP agent related commands: parameter setup,

management and traps options

❑ Switching Database related commands: aging time

management and Switching Database entry management

❑ Virtual LAN commands

❑ Port Configuration related commands

❑ Switching statistics commands

❑ Spanning Tree related commands

See the quick reference at the end of this chapter for a command list

separated by subject.

2-5

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Command Line Interface

Typing ?at the CLI prompt displays a list of all the available

command topics and a short explanation about each.Typing in one

of the names on this list will yield a list of the commands under that

topic.

SYS_console>?

Table 2-3 Commands Groups

console

system

Console related commands

System related commands

IP related commands

snmp

SNMP related commands

switch-db

vlan

Switching Database related commands

Virtual LANs related commands

Port Conﬁguration related commands

Switching Statistics related commands

Spanning Tree related commands

port-cfg

statistics

sp-tree

2-6

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Ch apter 3

Console Com m ands

The console commands contain a set of commands which allow the

user to conﬁgure the CLI parameters and user interface.To view the

console commands, type <console>.

help-kbd

This command lists the console function keys.

SYS_console>help-kbd

SYS_console>

Table 3-1 Console Function Keys

^U (or Escape) clear the line

! or ^p

TAB

clear the previous word

for previous command

for command completion

help, depending on position:

in parameters - list of the parameters

in 1st column - list of the categories

with line number - repeat command from history, for

example:#26 without line number - show history list

3-1

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Console Commands

banner

The banner command will display the CentreCOM 8116 Allied

Telesyn International logo.

clear

The clear command will clear the screen and display the prompt.

The login command will exit the Administrative Interface,but will not

disconnect a Telnet session.This allows the user to test a password

(or other activity) without reconnecting.

logout

The logout command will end the actual Administrative Interface

Session. Any further access will request the user to login again.

set-page

This command sets the console page:page size in lines 5...127 or 0

for no paging.

set-prompt

set-prompt <new_prompt>

The set-prompt command allows the user to set a new command

line prompt for the Administrative Interface.With the prompt

command,you can set a more meaningful prompt,such as a location

of the switch, or the name of a workgroup.The default prompt is

SYS_console> .

SYS_console> set-prompt R&D_grp>

R&D_grp> _

3-2

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AT-8116 User’s Guide

set-attr-prompt

This command sets the prompt attributes.

SYS_console>set-attr-prompt <number of

option>

[arg #0] options: 0-normal,1-bold,2-

underline,4-blink,8-reverse

SYS_console>

set-attr-msg

This command sets the display message attributes.

SYS_console>set-attr-msg <number of option>

[arg #0] options: 0-normal,1-bold,2-

underline,4-blink,8-reverse

SYS_console>

set-attr-text

This command sets the text display attributes.

SYS_console>set-attr-text <number of option>

[arg #0] options: 0-normal,1-bold,2-

underline,4-blink,8-reverse

SYS_console>

set-passwd

A password is not required to access the system software.However,a

username is required to log in to the system.A user simply enters his/

her username when the username prompt appears and if you do not

wish to set a password at this time, you only need to press the

<enter> or <return> key twice to access the system’s software.

The set-passwd command allows a user to set a password or to

change the original one, if previously installed.The system ﬁrst

prompts the user for the original (old) password.Then the system

prompts you for a new password.Then, type the same password

again for veriﬁcation. At no time are any of the passwords echoed

back to the user.

3-3

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Console Commands

If the user enters the old password incorrectly or fails to verify the

new password correctly, the password will not be changed.

SYS_console>set-passwd

SYS_console>

Enter old password:

Enter new password:

Enter new password again:

Error : different new passwords

If the password change succeeds, the system will respond

accordingly.

SYS_console>set-passwd

SYS_console>

Enter old password:

Enter new password:

Enter new password again:

CLI running password changed

CLI password change in the NVRAM OK

3-4

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Ch apter 4

System Com m ands

The System Commands allow the user to display and set the system-

related parameters.Type <system> to display system related

commands.

sys-stat

The sys-stat command displays general status information about the

Ethernet Switch and its SNMP Agent Hardware and Software:

SYS_console>sys-stat

CentreCOM 8116

SNMP Agent Software - Version 2.01 Mon Aug 18

12:34:35 1997

SNMP Object ID is: < 1.3.6.1.4.1.207.1.4.14

System MAC Address: 00-00-F4-7A-43-40

Switching Data Base Size: 8192 entries

Total uptime(hundredths of seconds): 12145

Total uptime(days, hh:mm:ss format): 0 days,

0:02:01.45

4-1

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System Commands

i/f 1 -- description [Port 1 - 10/100BaseTxETHERNET Port] -- status [UP]

i/f 2 -- description [Port 2 - 10/100BaseTxETHERNET Port] -- status [UP]

i/f 3 -- description [Port 3 - 10/100BaseTxETHERNET Port] -- status [UP]

i/f 4 -- description [Port 4 - 10/100BaseTxETHERNET Port] -- status [UP]

i/f 5 -- description [Port 5 - 10/100BaseTxETHERNET Port] -- status [UP]

i/f 6 -- description [Port 6 - 10/100BaseTxETHERNET Port] -- status [UP]

i/f 7 -- description [Port 7 - 10/100BaseTxETHERNET Port] -- status [UP]

i/f 8 -- description [Port 8 - 10/100BaseTxETHERNET Port] -- status [UP]

i/f 9 -- description [Port 9 - 10/100BaseTxETHERNET Port] -- status [UP]

i/f 10 -- description [Port 10 - 10/100BaseTxETHERNET Port] -- status [UP]

i/f 11 -- description [Port 11 - 10/100BaseTxETHERNET Port] -- status [UP]

i/f 12 -- description [Port 12 - 10/100BaseTxETHERNET Port] -- status [UP]

i/f 14 -- description [Port 14 - 10/100BaseTxETHERNET Port] -- status [UP]

i/f 15 -- description [Port 15 - 10/100BaseTxETHERNET Port] -- status [UP]

i/f 16 -- description [Port 16 - 10/100BaseTxETHERNET Port] -- status [UP]

SYS_console>

The screen displays the following information:

❑ The device name and type

❑ The SNMP Agent Software version and release date

❑ The device SNMP Object ID

❑ The device MAC Address

❑ The Switching Database size

❑ The system uptime in 1/100 sec as well as in days, hours,

minutes, seconds

❑ The interfaces description and status

4-2

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AT-8116 User’s Guide

get-stst-level

This command shows the self-test level (Disable or Enable) of the

device.

Default Value:Enable

set-stst-level <level>

This command sets the self-test level of the device.There are two

levels of self-test:Disable and Enable.The self-test level is stored in

Non-volatile Random Access Memory (NVRAM).

warm-reset

The warm-reset command resets the SNMP Agent software.The

Switch conﬁguration is changed according to the values stored in

the NVRAM.This command will permit the user to refresh the Switch

conﬁguration after a change of the NVRAM parameters. The statistics

counters are also reset by the warm-reset command.

cold-reset

This command causes the switch to cold-reset. Cold reset is

equivalent to power on the switch.

get-last-err

This command retrieves the most recent system failure for diagnostic

purposes.

SYS_console>get-last-err

System information since the last hardware

reset

--------------------------------------------

Software resets number: 0

The system never encountered a fatal error

SYS_console>

Note

Software resets number implies executed “warm resets” commands

after last “cold reset”.

4-3

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System Commands

init-nvram

This command resets the non-volatile RAM (NVRAM) on the SNMP

Agent to default values. Change will take effect after boot (warm or

cold reset).

get-sw-file

This command retrieves the SNMP Agent Software ﬁle name.

set-sw-file

set-sw-file <filename>

Sets the name of the ﬁle downloaded byTFTP.This name must match

the name of the agent software ﬁle on the TFTP server.

get-tftp-srvr

This command retrieves the IP address of the TFTP server which the

Agent will use to download software (see sw-dnld).

set-tftp-srvr

set-tftp-srvr < IP address>

Sets the IP address of the TFTP server used for downloading.

set-tftp-mode

This command sets the TFTP download mode.

SYS_console> set-tftp-mode {client|server}

Switch Tftp client/server is enabled for next

download.

Refer to Appendix A, Software Downloading for more details.

get-tftp-mode

This command retrieves the TFTP download mode and requires no

argument.

4-4

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AT-8116 User’s Guide

sw-dnld

This command begins the software download process from the

remote TFTP server speciﬁed by the set-tftp-srvr command,

retrieving the ﬁle speciﬁed by the set-sw-ﬁle command.

set-fg-param

set-fg-param sets the Ethernet frame generator parameters

[arg #0] destination address in hex format xx-xx-xx-xx-xx-xx

[arg #1] source address in hex format xx-xx-xx-xx-xx-xx

[arg #2] frame ﬁll pattern - hex byte

[arg #3] frame length - including DA, SA and type/length

This command sets the frame generator parameters. dest and source

are dash-separated hardware addresses in hex. ﬁll_byte is a single

byte used to ﬁll the entire packet except for the ﬁrst 12 bytes. length

is the total length of the packet excluding CRC.

SYS_console>set-fg-param 00-0E-DE-02-80-01

00-0D-01-32-11-22 aa 100

SYS_telnet>

SYS_telnet>start-fg?

start-fg

start-fg starts the Ethernet frame generator

[arg #0] destination ports - ports list in decimal format:d-d-d-..-d

[arg #1] number of frames to be generated - 0=forever

[arg #2] frame per second

SYS_telnet>

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System Commands

This command starts frame generation. dport is a dash-separated list

of ports on which to generate trafﬁc. For example, a dport of 2-3-4-5-

6 will send frames to ports 2,3,4,5,6. count speciﬁes the number of

frames to send on each interface. A count of 0 speciﬁes an inﬁnite

number of packets. rate speciﬁes the number of packets per second

to generate.

stop-fg

This command stops the Ethernet frame generator.

4-6

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Ch apter 5

IP Com m an ds

This section lists the IP Conﬁguration commands available to the

command line interface. It is separated into different sections to

allow simpler lookup:IP Conﬁguration lists general conﬁguration

commands,Ping lists commands pertaining to the ping ability of the

Agent, Address Resolution Protocol lists ARP-related information.

get-ip

This command shows the device’s current IP address, if any.

If the IP Conﬁg has already been deﬁned

SYS_console>get-ip

--IP Config already defined

The device IP address is:194.090.136.187.

If the device has no IP Address deﬁned.

SYS_console> _

SYS_console>get-ip

-- No IP Config defined

SYS_console>

set-ip

set-ip<IPaddress>

5-1

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IP Commands

Sets the IP address of the SNMP Agent. If no IP address was

previously set (as is the default factory conﬁguration), the new value

will be used immediately and saved into NVRAM.Otherwise the new

value will only be stored in the NVRAM, and the user must execute a

“warm-reset”to effect the change.

get-ip-cfg

This shows the complete current IP conﬁguration - address, network

mask and broadcast address.

-- If an address has been previously defined:

SYS_console> get-ip-cfg

The device IP address, netmask and broadcast are:

IP address :149.035.200.032

IP netmask :255.255.255.000

IP broadcast :149.035.200.255

-- If no address is defined:

SYS_console> get-ip-cfg

The device has no IP Address deﬁned.

SYS_console>

set-ip-cfg

set-ip-cfg <IPaddress> <netmask> <broadcast>

Sets IP address, network IP address and broadcast IP address. If no IP

conﬁguration was previously set (as is the default factory

conﬁguration), the new values will be used immediately and saved

into NVRAM. If a previous IP conﬁguration was being used, the new

conﬁguration will be saved in NVRAM for the next session.In order to

use the newly deﬁned values immediately,reset the system using the

“warm-reset”command.

Note

If the IP configuration is not specified, the agent will not respond to

any in-band requests, including ping messages.

-- If no IP Config. is defined:

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AT-8116 User’s Guide

SYS_console>set-ip-cfg 194.90.136.187 255

255.255.0 255.255.255.255

Device IP Address set for this session

Device IP Address change in the NVRAM OK

The device NVRAM IP configuration will be:

IP address : 194.090.136.187

IP netmask : 255.255.255.000

IP broadcast : 255.255.255.255

SYS_console>

-- IP Conﬁg. is already deﬁned.

SYS_console>set-ip-cfg 194.90.136.187 255.255.255.0

255.255.255.255

Device IP address unchanged for this session

Device IP Address change in the NVRAM OK

The device NVRAM IP conﬁguration will be:

IP address :194.090.136.187

IP netmask :255.255.255.000

IP broadcast :255.255.255.255

SYS_console>

Perform a warm-reset to immediately use the newly deﬁned

parameters.

clear-ip-cfg

This command clears the IP conﬁguration in the NVRAM.

SYS_console>clear-ip-cfg

Device IP Conﬁguration change in the NVRAM cleared OK.

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IP Commands

get-gatew

Shows default gateway. This command shows which default route

will be used to access a different IP network.

SYS_console>get-gatew

The default gateway address is:

194.090.136.254

SYS_console>

set-gatew

Sets the default gateway IP Address.This command lets you specify

the address of the router used to access a different IP for network

management packets or Ping. However, if not set, then all packets

remain in the local network.The default value for the default

gateway IP address is 0.0.0.0.

set-gatew <IPaddress>

SYS_console>set-gatew 194.90.136.254

Device Default Gateway change in the NVRAM OK

Device Default Gateway changed to:

194.90.136.254

SYS_console>

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Ch apter 6

Address Resolution Com m ands

get-arp-tbl

Shows ARP table.The Address Resolution Protocol (ARP) table

contains information that shows the maping of IP addresses to MAC

addresses and interface numbers.

SYS_console>get-arp-tbl

IfIndex IpAddress

=============================================

194.090.136.126 00-20-AF-C9-EB-23

MAC Address

SYS_console>

del-arp-entry

SYS_console>del-arp-entry {<IPaddress>|*}

Deletes entries from the ARP table. If an IP address is speciﬁed, the

matching arp entry will be deleted. If * is speciﬁed, the entire ARP

table will be ﬂushed.This command should be used if the network

topology has physically changed, e.g. if a management station has

been moved from one segment to another, thus changing its

interface number.

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Address Resolution Commands

add-arp-entry

Add entry to ARP table.

add-arp-entry <IPaddress> <mac_address>

<Interface> (Port MAC address resides on.)

SYS_console>add-arp-entry 194.90.136.133 00-

11-22-33-44-55 1

ARP Table Entry succesfully added

SYS_console>get-arp-tbl

IfIndex IpAddress

MAC Address

=============================================

194.090.136.133 00-11-22-33-44-55

194.090.136.126 00-20-AF-C9-EB-23

SYS_console>

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Ch apter 7

Pin g Com m an ds

Ping

Performing a ping allows you to send packets

to another managed network device to see if the

device responds.

Ping <IP address><destination address><#

packets to send or 0 for endless pings>

ping-stop

Stops the active ping process.

SYS_console>ping 194.90.136.23 4

Use CTRL-C or ping-stop to stop the ping

process

SYS_console> PING process stopped-statistics:

ICMP echo requests : 4

ICMP echo responses : 0

PING process - press <CR> for prompt

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Ping Commands

If the host does not respond, only statistics are printed. Failure to get

an echo response from a host may be due to:

❑ A bad physical connection

❑ A non-existent or inactive host

❑ Network Unreachable: no corresponding entry in the routing

table

❑ Destination Unreachable: the default gateway failed to route

the datagram

❑ Outdated ARP table information - flush the ARP table with the

del-arp-entry command

If there is an active ping process due to a previous“long”ping

command and you try to start a new ping, the command fails and an

error message is displayed.

For example, start an endless ping to an unreachable host. No

response will be received. Now try to ping an existing host.The

second ping will fail because the ﬁrst one is still active.The solution is

to use the ping-stop command to stop the ﬁrst active ping process.

-- host 194.90.136.23 0 unreachable

SYS_console>ping 194.90.136.23 0

Use CTRL-C or ping-stop to stop the ping

process

SYS_console>ping 194.90.136.20 1

A ping process is active - can't start another

one

SYS_console>ping-stop

PING process stopped - statistics :

ICMP echo requests :

ICMP echo responses :

PING process - press <CR> for prompt

SYS_console>

SYS_console>ping 194.90.136.20 1

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Use CTRL-C or ping-stop to stop the ping

process

SYS_console>194.90.136.20 Alive. echo reply:

id 4643, seq 1, echo-data-len 0

PING process stopped - statistics :

ICMP echo requests :

ICMP echo responses :

PING process - press <CR> for prompt

ping-stop

Stop the active ping process.

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Ch apter 8

SNMP Com m an ds

This chapter contains a description of the commands available under

the CLI to set and display the SNMP Agent IP and SNMP parameters

and databases.Type <SNMP> to view SNMP related commands.

SNMP Com m un ity Strin g Com m an ds

SNMP Community strings authenticate access to the MIB

(Management Information Base). Community strings function as

“passwords”embedded in every SNMP packet.The community string

must match one of the two community strings conﬁgured in the

switch for the message to be processed.There are two community

strings, one for each of the following types of accesses:

❑ read - mode gives read access to all the objects in the MIB, but

does not allow write access

❑ write - mode gives read and write access to all objects in the

MIB

get-comm

get-comm {read|write|*}

This command displays the SNMP community string for a given

access mode ( read or write ). If the access mode is speciﬁed as *,

both the read and the write community strings are displayed.

SYS_console>get-comm *

Current read community is: < public >

Current write community is: < private >

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SNMP Commands

set-comm

set-comm {read|write} <community-string>

This command lets you specify the SNMP community string for each

of the two access modes:read and write.

SYS_console>set-comm write password

New write community is: < password >

SYS_console>

SNMP Trap Message Com m an ds

When the Switch detects an extraordinary event, it generates a trap.

A trap is a notiﬁcation message that may be sent to predeﬁned

Network Manager Stations. A trap event may be a reset (cold or

warm), detection of an interface link status change, an SNMP

authentication failure due to an incorrect community string, etc.

The SNMP trap commands let you manage:

❑ Whether or not the device issues an authentication trap

❑ The list of selected SNMP Manager Stations to which the

switch-generated traps will be sent by the SNMP agent. The

list has a maximum capacity of five entries.

get-auth

Displays the Authentication Trap mode:enabled or disabled.

set-auth

set-auth {enable|disable}

This command allows the user to modify the Authentication Trap

mode.The default value is enable, meaning that the switch will

generate authentication traps. Changing the mode to disable will

prevent the switch from sending authentication traps.

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get-traps

Displays the list of traps-receiving stations:their IP address and trap

SNMP community string.

SYS_console>get-traps

SNMP TRAP TABLE

===============

IPADDR

COMMUNITY

--------------------------------------------

194.090.136.126 ----------- public

--------------------------------------------

SYS_console>

add-trap

The add-trap command enters the IP Address of the SNMP Manager

station and the trap community string that will appear in the trap

message.

add-trap <IPaddress> <trap-community>

SYS_console>add-trap 194.90.136.20 rnd

Entry 194.90.136.20 - rnd added

SNMP TRAP TABLE

===============

IPADDR

COMMUNITY

--------------------------------------------

194.090.136.126 ----------- public

194.090.136.020 ----------- rnd

--------------------------------------------

SYS_console>

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SNMP Commands

del-trap

The del-trap command can be used to remove an SNMP station from

the trap table.The station IP address must be provided.

del-trap <IPaddress>

SYS_console>del-trap 194.90.136.20

Entry 194.90.136.20 - rnd deleted

SYS_console>

get-rmon-state

This command displays RMON’s limits and bounds.

SYS_console>get-rmon-state

RMON current configuration

==============================

MaxTimeForRowCreation = 600

MaxHistCtlRows

= 20

MaxBucketsPerControl = 500

MaxBucketsTotal

AlarmMinInterval

AlarmMaxInterval

MaxAlarmRows

= 2000

= 1

= 3600

= 50

MaxLogEntriesPerEvent = 15

MaxEventRows = 10

==============================

SYS_console>

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Ch apter 9

Switch in g Database Com m ands

This section contains instructions for managing the Switching

Database with the Administrative Interface.Type <switch-db>to

view related commands.

The Switching Database consists of 8192 entries. Each active entry

contains the information relevant to a workstation, characterized by

its Ethernet MAC Address. Each entry contains the following

information:

❑ Entry

Signifies the index in the Switching Database Table.

❑ LOCK

If on (denoted as a +), the entry will not be deleted by the

switch aging process (static entry). If off (denoted as a -), this is

a dynamic entry that may be automatically deleted by the

switch aging process if a packet with this source MAC address

is not received during an aging time period.

❑ MGMT (not user configurable)

If on (denoted as a +), the entry is a system address. Such

addresses are the switch’s individual and group addresses, as

well as other addresses added by the management system. If

off (denoted as a -), the entry contains the MAC address of a

station on the connected network.

❑ DPORT

The destination port to which frames with the stated address

will be forwarded.

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Switching Database Commands

❑ MAC Address contained in an entry or given as a parameter is

printed as a 6 byte, hexadecimal sequence, separated by the

“-” sign, e.g.

00-20-1A-00-01-29

The following section lists commands relevant to the Learning Table

and Aging mechanism of the switch.The <index> contained in the

following commands is an integer number between 1 and the

maximum size of the Switching Database Table (8192).

Learn in g Table

get-lt-entry

SYS_telnet>get-lt-entry 26

Entry ---- MAC Address ---- LOCK DPORT MGMT

===============================================

00-00-F4-7A-43-49

SYS_telnet>

The entry described is:

❑ Entry number 26

❑ MAC Address 00-00-F4-A2-4D

❑ Is not a static entry, i.e. it will be aged out (lock is off)

❑ The address was learned on port 16

❑ Is not a system address (mgmt is off)

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AT-8116 User’s Guide

get-lt-16

Displays 16 learn table entries starting at <index>, or“ * ”to continue

from the last displayed index.The format of the display is similar to

the previous command format. If the end of the learn table is

reached, the * parameter will start the list over from the beginning.

SYS_telnet>get-lt-16 15

Entry ---- MAC Address ---- LOCK DPORT MGMT

===============================================

15 00-00-F4-7A-43-4E

16 00-00-F4-7A-43-4F

17 00-A0-C9-03-00-4F

18 00-60-E8-FF-FF-FF

19 00-00-A2-62-15-BB

20 00-60-E8-08-03-11

21 00-60-E8-11-22-65

22 00-A0-D2-C1-55-B1

23 08-00-20-81-A4-70

24 00-00-F4-A4-14-E6

26 00-00-F4-A2-4B-48

-NONE-

******* End of Learn Table ************

SYS_telnet>

The ﬁrst 16 displayed entries belong to the system.These entries

contain important information related to the SNMP Agent and

should never be modiﬁed or removed by the user.These entries are

denoted by a (+) in the LOCK and MGMT columns.

The displayed entries in the get-lt-16table denoted by a (-) in the

Lock and MGMT columns are self-learned MAC addresses, as

indicated by a (-) in the LOCK and MGMT columns.These entries were

each learned from the port stated in the DPORT ﬁeld.

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Switching Database Commands

find-lt-addr

SYS_telnet>ﬁnd-lt-addr 0060e8112265

Entry ---- MAC Address ---- LOCK DPORT MGMT

===============================================

00-60-E8-11-22-65

SYS_telnet>

The switch as factory-conﬁgured, has default a VBC and a SVLAN

VLAN that contain all 16 ports. Ports in the default VLAN's are

deleted when they are assigned to a designated VLAN. By the use of

the "get-vbc-tbl" or "get-svlan-tbl" command, you can discover the

ports that are in the default VLAN's.

Example 1:

SYS_telnet>get-svlan-tbl run

RUNTIME SECURITY VIRTUAL LANs TABLE

===========================================

0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1

SVLAN - 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6

1 :

- - - - - - - - - - + + + + + + + +

SYS_telnet>

This example shows that the current DEFAULT SVLAN ports, which

are represented by hypens, are ports 1,2,3,4,5,6,7, and 8 as denoted

by the (-) in the SVLAN table.

Example 2:

SYS_telnet>get-svlan-tbl run

RUNTIME Security Virtual LANs Table is empty

SYS_telnet>

This example shows that all the ports are in the DEFAULT SVLAN,

since NONE are assigned to a designated VLAN

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AT-8116 User’s Guide

Example 3:

SYS_telnet>get-vbc-tbl run

RUNTIME VIRTUAL BROADCAST DOMAIN TABLE

===========================================

0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1

VBC - 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6

1 :

- - - - - - - - + + + + + + + +

SYS_telnet>

This example shows that the current DEFAULT VBC ports are 1, 2, 3, 4,

5,6,7, and 8, As denoted by the (-) in the VBC table.

Example 4:

SYS_telnet>get-vbc-tbl run

RUNTIME Virtual Broadcast Domain Table is empty

SYS_telnet>

This example shows that all the ports are in the DEFAULT VBC, since

NONE are assigned to a designated VBC.The get-vbc-tbl run

command searches for the address in the learning table.

SYS_console>find-lt-addr 01-02-03-04-05-06

MAC Address - 01-02-03-04-05-06 - not in LT

del-lt-entry

del-lt-entry <index>

Deletes the learn table entry at <index>. If the entry delete was

successful or if the entry is not ACTIVE, then the command will be

successful.

Deleting entries with the MGMT ﬁeld set (+) is prohibited since they

are system addresses.

The del-lt-entry command is very powerful, allowing the user to

change the entire Switching Database with the exception of the

System MAC Addresses.Therefore, it should be used with caution.

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Switching Database Commands

SYS_console>del-lt-entry 25

Deleting entry at index - 25 - OK

SYS_console>del-lt-entry 1

Cannot delete a System Address

del-lt-addr

Deletes the learn table entry that matches the MAC address.

The command fails if mac_address is not found in the learn table.

Again, as in the previous command, caution should be employed

when deleting system entries :(+) in MGMT column.

del-lt-addr <mac_address>

SYS_console>del-lt-addr 00-11-22-33-44-55

MAC Address - 00-11-22-33-44-55 - not in LT

SYS_console>

add-lt-entry

Add a learn entry to the Switching Database.The commands

parameters are described at the beginning of this chapter.

add-lt-entry <mac_address> <dport>

Note

DPORT is a decimal number representing the ID of the port.

get-lt-age

The running aging time is: 300 seconds.

Displays the Switching Database Aging Time in seconds.The Aging

Time is the time-out period for aging out dynamically learned

forwarding information entries. An entry whose MAC address does

not appear in the source ﬁeld of an incoming packet for a period

equal to the Aging Time is discarded.

get-lt-age

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AT-8116 User’s Guide

set-lt-age

set-lt-age {run|nvram|all} <aging_time>

Aging _time is between 10 and 11000 seconds or 0 for aging off.

Example:

SYS_console>set-lt-age all 300

Aging Period update in NVRAM OK

Aging Period update in the running database OK

SYS_console>

Lets the user modify the Switching Database Aging Time.The change

may be made:

❑ In the running database so that the new value is used

immediately

❑ In the NVRAM, meaning that the change will occur only in the

next session after the switch is reset

❑ In both the running and the NVRAM databases

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Ch apter 10

Virtual LAN Com m ands

Virtual LANs can be used to limit the broadcast domain and to

establish secure virtual workgroups.The following parameters are

used within the VLAN commands.

❑ run indicates that only the currently running configuration is

changed. Changes are not restored after a reset.

❑ NVRAM indicates that only the configuration stored in non-

volatile memory is changed. Changes will not take effect until

a warm or cold reset.

❑ all indicates that both the currently running configuration and

the non-volatile configuration is changed. Changes will take

effect immediately and will be restored after a reset.

Type <vlan> to view the related commands.

SYS_console>vlan

get-con

matrix retrieves the VLAN connectivity matrix

domain deﬁnes a Virtual Broadcast Domain

domain deletes a Virtual Broadcast Domain

displays the Virtual Broadcast Domain Table

matrix retrieves the VBC connectivity matrix

deﬁnes a Security Virtual LAN

set-vbc

del-vbc

get-vbc-tbl

get-vbc

set-sec-vlan

del-sec-vlan

get-svlan-tbl

deletes a Security Virtual LAN

displays the Security Virtual LAN Table

get-svlan-matrix matrix retrieves the Security VLANs connectivity matrix

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Virtual LAN Commands

set-mon-port

stop-mon

sets the monitoring port

stops port monitoring

monitor

starts port monitoring

get-nv-mon

save-mon

retrieves the NVRAM based monitoring conﬁguration

saves the running monitoring conﬁguration to NVRAM

clears the NVRAM based monitoring conﬁguration

clear-nv-mon

Virtual Broadcast Dom ain s (VBC)

Virtual Broadcast Domains are port-oriented VLANs that allow

broadcast Ethernet addresses to be broadcasted (transmitted) to the

assigned ports in that VBC.The VBCs do not require a SVLAN to be

conﬁgured to allow packet switching between assigned ports in a

VBC. Broadcast packets (destination address of FF FF FF FF FF FF)

remain within the VBC where they are received and are transmitted

to only the ports in a SVLAN that are members of the receiving VBC

port.

A VBC VLAN can be built from any combination of ports. However,

ports in a VLAN cannot overlap. If you assign the same port to

multiple VLANs, they become one VLAN which contains all of the

original VLAN ports.You can view VLAN settings by using the CLI

“get-con-matrix”command which shows the connectivity

matrix of all the ports (identiﬁes the ports sending frames to other

ports).

get-con-matrix

Retrieves the current connectivity matrix for the switch.The ﬁrst

column is the source port.The other columns are destinations to

which frames from a given source port (determined by which row)

may be forwarded. Unlearned addresses will be forwarded to all

destinations marked with a + in the source port’s row. Learned

addresses will be forwarded to their destinations only if the

destination is marked with a “+”in the source port’s row. Note that

the switch has a default VBC that contains all the ports in the switch

that are not assigned to a VBC VLAN.The following example shows

that Ports 1-4 are in VLAN #1; the remaining ports are in the default

VLAN. Also see the example for get-vbc-tbl run.

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AT-8116 User’s Guide

SYS_console>get-con-matrix

VBC CONNECTIVITY MATRIX

==========================

0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1

SRC to : 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6

1 :

- + + + - - - - - - - - - - - -

+ - + + - - - - - - - - - - - -

+ + - + - - - - - - - - - - - -

+ + + - - - - - - - - - - - - -

- - - - - + + + + + + + + + + +

- - - - + - + + + + + + + + + +

- - - - + + - + + + + + + + + +

- - - - + + + - + + + + + + + +

- - - - + + + + - + + + + + + +

- - - - + + + + + - + + + + + +

- - - - + + + + + + - + + + + +

- - - - + + + + + + + - + + + +

- - - - + + + + + + + + - + + +

- - - - + + + + + + + + + - + +

- - - - + + + + + + + + + + - +

- - - - + + + + + + + + + + + -

2 :

3 :

4 :

5 :

6 :

7 :

8 :

9 :

10 :

11 :

12 :

13 :

14 :

15 :

16 :

SYS_console>

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Virtual LAN Commands

set-vbc-domain

set-vbc-domain {run|nvram|all} <port_list>

This command establishes a Virtual broadcast domain. port_list is a

dash-separated list of ports to group into a broadcast domain. For

example:

set-vbc-domain all 2-5-6-7

Creates a virtual broadcast domain of ports 2, 5, 6, and 7.

del-vbc-domain

del-vbc-domain {run|nvram} <domain_id>

This command deletes a virtual broadcast domain. domain_id is the

vbc id number as identiﬁed by get-vbc-tbl.

Note

When you use the set-vbc-domain command with the all parameter,

both the runtime and nvram databases are changed. In case you need

to delete the mentioned vbc entries, you should run the del-vbc-

domain command twice with run and nvram parameters.

get-vbc-tbl

get-vbc-tbl {run|nvram}

This command retrieves the list of deﬁned virtual broadcast domains.

SYS_console>get-vbc-tbl run

RUNTIME VIRTUAL BROADCAST DOMAIN TABLE

===========================================

0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1

VBC - 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6

1 : + + + + - - - - - - - - - - - -

2 : - - - - - - - - + + + - - - - -

SYS_console>

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AT-8116 User’s Guide

Note

All ports not defined as a member of a VBC are members of the

default VBC.

get-vbc-matrix

Retrieve the current broadcast domain matrix for the switch. Here

only the broadcast address will be affected.

The ﬁrst column is the source port list.The other columns are

broadcast destination ports. If a “+”is in the matrix matching up the

source port to the destination port, frames can be forwarded

between these ports. If a “-”is in the matrix matching up the source

port to the destination port, no frames can be forwarded between

the ports.

SYS_console>get-vbc-matrix

VBC CONNECTIVITY MATRIX

===========================================

0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1

SRC to : 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6

1 :

2 :

3 :

4 :

5 :

6 :

7 :

8 :

- + + + - - - - - - - - - - - -

+ - + + - - - - - - - - - - - -

+ + - + - - - - - - - - - - - -

+ + - - - - - - - - - - - - - -

- - - - - + + + + + + + + + + +

- - - - + - + + + + + + + + + +

- - - - + + - + + + + + + + + +

- - - - + + + - + + + + + + + +

- - - - + + + + - + + + + + + +

- - - - + + + + + - + + + + + +

- - - - + + + + + + - + + + + +

- - - - + + + + + + + - + + + +

- - - - + + + + + + + + - + + +

- - - - + + + + + + + + + - + +

- - - - + + + + + + + + + + - +

- - - - + + + + + + + + + + + -

9 :

10 :

11 :

12 :

13 :

14 :

15 :

16 :

SYS_console>

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Virtual LAN Commands

Security VLANs

Each Security Virtual LAN (SVLAN) can contain one or more groups of

ports.The group in a SVLAN are only allowed to send and receive

packets to groups in the same SVLAN. If a group is not assigned to a

speciﬁc SVLAN, it remains in the default SVLAN. Unicast packets with

unknown destination addresses are sent to all port members in a

SVLAN. Broadcast packets (broadcast address ffffffffff) remain within

the VBC where they are received and are transmitted to only the

ports in an SVLAN that are members of the receiving port VBC.

set-sec-vlan

This command establishes a Security Virtual LAN.

The SVLANs are group-oriented.There are eight groups of ports on

the 8116 switch.

Table 10-1 SVLAN Groups

Group a

Group b

Group c

Group d

Group e

Group f

Group g

Group h

ports 1-2

ports 3-4

ports 5-6

ports 7-8

ports 9-10

ports 11-12

ports 13-14

ports 15-16

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AT-8116 User’s Guide

set-sec-vlan {run|nvram|all} <group_list>

SYS_console>set-sec-vlan run a-b

Set Runtime Security Virtual entry - OK

SYS_console>set-sec-vlan run c

Set Runtime Security Virtual entry - OK

SYS_console>get-svlan-tbl run

RUNTIME SECURITY VIRTUAL LANs TABLE

0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1

SVLAN - 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6

1 :

2 :

+ + + + - - - - - - - - - - - -

- - - - + + - - - - - - - - - -

SYS_console>

del-sec-vlan

This command deletes the Virtual LAN speciﬁed by lan_id.

del-sec-vlan {run|nvram} <lan_id>

lan_id is the svlan index in the SVLANs table displayed at the get-

svlan-tblcommand.

Note

Setting a security VLAN group with the “all” parameter will update

both Runtime and NVRAM databases.

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Virtual LAN Commands

get-svlan-tbl

This command shows the table of deﬁned Virtual LANs.

get-svlan-tbl {run|nvram}

SYS_console>get-svlan-tbl run

RUNTIME SECURITY VIRTUAL LANs TABLE

===========================================

0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1

SVLAN - 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6

1 :

2 :

+ + + + + + + + - - - - - - - -

- - - - - - - - + + - - - - - -

SYS_console>

The default SVLAN is ports 11, 12, 13, 14, 15, and 16 (groups F, g, and

H. It is not displayed by the “get-svlan-tbl”command. SVLAN

1 is ports 1, 2, 3, 4, 5, 6, 7, and 8 (groups A, B, C, and D). SVLAN 2 is

ports 9, 10, (group E).

Note

If you assign ports to multiple SVLANs, they become one SVLAN and

includes all the original VLAN ports.

You can view the SVLANs settings by entering the CLI“get-svlan-

matrix”command, which shows the connectivity matrix of all the

ports (identiﬁes ports transmitting and ports receiving).

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AT-8116 User’s Guide

get-svlan-matrix

This command retrieves the Security VLANs connectivity matrix.

get-svlan-matrix {run|nvram}

SYS_console>get-svlan-matrix run

SECURITY VLANs CONNECTIVITY MATRIX

==========================================

0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1

SRC to : 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6

1 :

2 :

3 :

4 :

5 :

6 :

7 :

8 :

- + + + - - - - - - - - - - - -

+ - + + - - - - - - - - - - - -

+ + - + - - - - - - - - - - - -

+ + + - - - - - - - - - - - - -

- - - - - + + + + + + + + + + +

- - - - + - + + + + + + + + + +

- - - - + + - + + + + + + + + +

- - - - + + + - + + + + + + + +

- - - - + + + + - + + + + + + +

- - - - + + + + + - + + + + + +

- - - - + + + + + + - + + + + +

- - - - + + + + + + + - + + + +

- - - - + + + + + + + + - + + +

- - - - + + + + + + + + + - + +

- - - - + + + + + + + + + + - +

- - - - + + + + + + + + + + + -

9 :

10 :

11 :

12 :

13 :

14 :

15 :

16 :

SYS_console>

The above example shows that port 7 can switch to ports 5, 6, 8, 9,

10,11, 12, 13, 14, 15, and 16.

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Ch apter 11

Port Monitoring Com m ands

set-mon-port

This command sets the monitoring port (port containing the

monitoring device, sniffer port). All trafﬁc from the port speciﬁed by

the monitor command will be duplicated on assigned ports. Port is a

decimal number.

set-mon-port <port>

monitor

This command sets the port to be monitored and starts the

monitoring process.All trafﬁc from this port will be duplicated on the

monitoring port speciﬁed by the set-mon-port command.The

monitoring device or sniffer must be connected to the monitoring

port before monitoring is activated.

monitor <port>

stop-mon

This command ends port monitoring.

get-nv-mon

This command retrieves the port monitoring information stored by

the save-mon command in the NVRAM.

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Port Monitoring Commands

save-mon

This command saves the current port monitoring information

(including set-mon-port and monitor commands) into the NVRAM,

so that the monitoring will be restarted upon device reset.

clear-nv-mon

This command clears the port monitoring information previously

stored in the NVRAM with the save-mon command.

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Ch apter 12

Port Conﬁguration Com m ands

This chapter contains instructions for conﬁguring and displaying the

ports’parameters with the Administrative Interface.Type <port-cfg>

to view the related commands.

get-port-cfg

The get-port-cfg command displays the current port conﬁguration.

SYS_console>get-port-cfg

PORT_ID LAN_TYPE LINK IF_TYPE SPEED_SEL LAN_SPEED FDPLX ENABLE

======================================================================

ETH10/100

OFF TP

FORC100

100Mbps

OFF

OFF TP

SYS_console>

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Port Configuration Commands

The information displayed contains:

❑ An interface number (port-id)

❑ LAN type: ETH-10 indicates 10 Mbps Ethernet ETH-10/100

indicates 10/100 Mbps Ethernet ETH-100 indicates 100 Mbps

Ethernet

❑ Link status: ON/OFF

❑ Physical Interface Type: TP

❑ Speed selected: FORC10 (10Mbps), FORC100 (100Mbps),

ASENSE (Autosense)

❑ LAN Speed: 10Mbps or 100Mbps

❑ Full Duplex mode: OFF = Standard Ethernet (default Half

Duplex), ON = Full Duplex

❑ Enable: ON = port enabled (default), OFF = port disabled

set-port-dplex

set-port-dplex <port_number> {half|full}

The set-port-dplex command speciﬁes if the given port will be active

in full-duplex or in half-duplex (Standard Ethernet) mode.The default

is half-duplex.

SYS_console>set-port-dplex 2 full

Port configured in <full duplex> mode

Parameter change in NVRAM OK

SYS_console>_

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AT-8116 User’s Guide

set-speed-sel

set-port-sel <port-number> {asense|100|10}

This command speciﬁes if port-number will negotiate a 10Mbps or

100Mbps connection, or it will autosense. If the switch is having

difficulty auto-sensing the wire speed, use this command to set the

correct value.

Note

If the port’s link partner is in Full Duplex mode and not in ASENSE (or

auto-negotiation)mode, ASENSEcannot be selected as the line speed

of the port.

set-port-state

This command can be used to enable or disable a port when the

Spanning Tree algorithm is not running.When Spanning Tree is

running, set-prt-enb should be used instead.

set-port-state < port-number>

{enable|disable}

set-aggr-mode

This command sets the device mode:aggressive or relax backoff

algorithm.

SYS_console>set-aggr-mode

[arg #0] enter either {enable | disable}

SYS_console>

The AT-8116 implements the truncated exponential backoff

algorithm deﬁned by the 802.3 standard.The set-aggr-mode

command controls the number of consecutive retransmit trials

(necessitated by collisions) before restarting the backoff algorithm.

In aggressive mode the AT-8116 restarts the backoff algorithm after 4

consecutive transmit trials instead of 16.This results in the switch

being more aggressive in accessing the media following a collision.

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Ch apter 13

Switch in g Statistics Com m ands

This chapter contains instructions for displaying the switching

statistics.Type <statistics> to view all the related commands.The

commands below provide full physical layer information as well as

inter-port switching statistics.

clr-cnt

This command clears the Ethernet and bridging counters.

get-eth-cnt

This command displays the Ethernet Statistics Counters for port port-

number.

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Switching Statistics Commands

get-eth-cnt <port-number>

SYS_console>get-eth-cnt 8

Ethernet Statistics for Port 8

=============================================

Good Bytes Received: 249432

Good Multicast Bytes Received: 1011480

Good Broadcast Bytes Received: 85944

Good Bytes Sent: 107222

Good Frames Receive: 16011

Good Multicast Frames Receive: 991

Good BroadCast Frames Receive: 13773

Frames Sent: 1059

Receive and Transmit Collisions: 0

Receive and Transmit Late Collisions:0

Receive CRC or Alignment Error: 0

Receive Frame > 1518 bytes with Bad CRC: 0

Receive Fragments: 43

Receive Frame > 1518 bytes

with Good CRC:

Bad Bytes Received: 0

=============================================

SYS_console>

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AT-8116 User’s Guide

get-colls-cnt

This command displays the Ethernet collision statistics for port port-

number.

get-colls-cnt <port-number>

SYS_console>get-colls-cnt 8

Ethernet Collision Counters for port 8

==========================================

Collision count:0

Late Collision Count: 0

==========================================

SYS_console>

get-rmon-cnt

Retrieve the RMON statistics group 1 counters for port.

get-rmon-cnt <port>

get-sdist-cnt

Retrieve the RMON statistics packet size histogram for port.This

command is available for Fast Ethernet ports only.

get-sdist-cnt <port>

SYS_console>get-sdist-cnt 6

RMON Packet Size Distribution Counters for

port 6

=============================================

etherStatsPkts64Octets: 330

etherStatsPkts65to127Octets: 175

etherStatsPkts128to255Octets: 71

etherStatsPkts256to511Octets: 18

etherStatsPkts512to1023Octets: 21

etherStatsPkts1024to1518Octets: 3

SYS_console>

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Switching Statistics Commands

get-mgm-brcnt

Retrieve the counters for the management

interface.

SYS_console>get-mgm-brcnt

Management Port Counters

=============================================

Frm Received:

15606

Bytes Received : 1119792

Frm Filtered :

Frm Received Bcast:

14219

Frm Transmited : 29944

Frm Transmit Ucast:

Frm Transmit Mcast:

Frm Transmit Bcast:

Received from port:

344

29556

FRAMES

BYTES

-----------------------------------------------

15637

1123754

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Ch apter 14

Span n ing Tree Com m ands

Spanning Tree automatically conﬁgures a loop-free topology in a

bridged environment. However, note that the bridge on this switch

is not VLAN-based and only one spanning tree is allowed regardless

of the number of VLANs.The Spanning Tree agent is implemented in

conformance to the IEEE 802.1d standard. Once spannning tree is

enabled, it remains enabled even through resets or start ups.

Listed below are the conﬁguration commands pertinent to the

operation of the Spanning Tree algorithm.Type <sp-tree> to view all

the related commands. For spanning tree defaults, see Appendix B,

“System D e faults”.

get-stp

Retrieve the current state of Spanning Tree. Options are enable or

disable.

Note

The default state is disabled for spanning tree.

set-stp

This command enables or disables the Spanning Tree protocol.

Spanning Tree is enabled by default, in accordance with 802.1d.

Enabling or disabling Spanning Tree will not take effect until the

SNMP agent is reset, via warm-reset, cold-reset or a power cycle.

set-stp {enable|disable}

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Spanning Tree Commands

get-st-bcfg

This command retrieves the Spanning Tree bridge parameters. If

Spanning Tree is disabled, no parameters will be retrieved.

get-st-pcfg

This command retrieves the Spanning Tree port parameter table. If

Spanning Tree is disabled, no parameters will be retrieved.

get-st-syscfg

This command retrieves the Spanning Tree state of all the ports.

set-br-prio

This command sets the Spanning Tree bridge priority of the Switch.

priority is an integer in the range 0..65535.

set-br-prio <priority>

set-br-maxage

set-br-maxage <maxage>

This command sets the Spanning Tree bridge MaxAge.This is the

amount of time between Spanning Tree conﬁguration messages.

Note that maxage is in units of seconds in the range 6..40.

set-br-hellot

set-br-hellot <hello_time>

This command sets the Spanning Tree bridge Hello Time. hello_time

is an integer in the range 1..10. Note that hello_time is in units of

seconds.

set-br-fwdel

set-br-fwdel <forward_delay>

This command sets the Spanning Tree bridge Forward Delay. This

controls the amount of time between the listening and forwarding

Spanning Tree states, and is completely unrelated to the forwarding

latency. Note that forward_delay is an integer in units of seconds in

the range 4..30.

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AT-8116 User’s Guide

set-prt-prio

This command sets the Spanning Tree port priority. port_number is

the decimal port number,and port_priority is an integer in the range

1..255.

set-prt-prio <port_number> <port_priority>

set-prt-enb

set-prt-enb <port_number> {enable|disable}

This command enables or disables a port in the Spanning Tree.

port_number is the integer port number.

set-prt-pcost

set-prt-pcost <port_number> <path_cost>

This command sets the Spanning Tree port path cost. port_number

is the integer port number, and path_cost is an integer path cost in

the range 1..65535.

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Ch apter 15

Usin g an SNMP Manager

This chapter contains instructions for the conﬁguration and

management of the AT-8116 SNMP Management System.

Con figurin g th e AT-8116 SNMP Agen t

Once connected to the network and powered ON,the AT-8116 starts

operating according to factory-set default values.However,to ensure

proper operation and maximum performance speciﬁc to your

network conﬁguration and to provide SNMP access, some

environment-speciﬁc parameters must be conﬁgured through the

Command Line Interface.

If you are conﬁguring the switch for the ﬁrst time:

Global Setup

1. Connect a terminal to the RS-232 connector.

2. Log in to the Command Line Interface.

3. Initialize all the AT-8116 parameters to their default values (see

Table 1, System Default Values). Use the following command

sequence:

init-nvram (deletes all current NVRAM configrations)

warm-reset (loads the NVRAM configuration)

4. Wait until you see the LOGIN prompt again. Login to the CLI. Now

all system parameters have been initialized to their default values.

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Using an SNMP Manager

IP Setup

1. Modify the system IP configuration to match your IP network. Use

the set-ip-cfg command in order to provide an IP address, a

netmask and a broadcast address (see IP Commands). For

example:

set-ip-cfg 129.001.001.064 255 255.255.255.0

129.001.001.000

Check that the actual IP conﬁguration matches the desired one:

SYS_console>get-ip-cfg

The device IP address, netmask and broadcast are:

IP address: 129.001.001.064

IP netmask:255.255.255.000

IP broadcast: 129.001.001.000

2. Set the default gateway address using the set-gatew command.

This should be a station that can route IP packets to non-local IP

networks. For example:

SYS_console>set-gatew 129.1.1.1

3. Confirm that the default gateway IP address was properly

accepted:

SYS_console>get-gatew

Device default gateway address is :

129.001.001.001

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AT-8116 User’s Guide

SNMP Setup

1. Set up the SNMP communities strings for the two access modes:

read and write (see SNMP Commands). Confirm that the read and

write communities were properly accepted. In this example, the

Read community string is public; the Write community string is

private. To set community strings:

SYS_telnet>set-comm read public

New read community is: < public >

SYS_telnet>set-comm write private

New write community is: < private >

SYS_telnet>

to read if accepted:

SYS_telnet>set-comm read public

New read community is: < public >

SYS_telnet>set-comm write private

New write community is: < private >

SYS_telnet>

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Ch apter 16

Software Troubleshooting

This chapter provides troubleshooting hints for problems you may

encounter when trying to manage the AT-8116 using an SNMP

Management System.

❑ If your SNMP Manager has trouble communicating with the

SNMP Agent in the Switch, check your SNMP configuration

parameters.

❑ Your Network Administrator can help determine if your IP

configuration (IP Address, netmask and broadcast address) is

correct. If the SNMP management workstation is on a different

network, be sure that you have defined an appropriate Default

Gateway IP Address.

❑ Check the community string configuration by using the get-

comm * command.

❑ If you are not receiving any traps, check that you have

correctly entered the SNMP Management Workstation

address in the trap receiver table. Display the table using the

get-trap-tbl command. Check that both the IP Address and

the community string are correct.

❑ If the network management station does not receive

authentication failure traps, check for the Authentication

Mode using the get-auth command.

❑ Check that you have a correct physical connection to the

Switch. Check the LINK status.

❑ Test the connection to the SNMP Management Station by

pinging it. Use the CLI: ping.

❑ If the network’s physical topology has changed recently (e.g.

an SNMP Management Station has been moved from one

segment to another), the ARP cache may be out of date. You

can use the del-arp-entry command to flush the cache.

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Appen dix A

Software Down loadin g

Requirem en ts

❑ Diskette with software file to be downloaded

❑ DOS station host (management console, VT100 terminal or

VT100 terminal emulator) or UNIX host (eg, Sun Sparc)

❑ TFTP program (client or server)

❑ Operational AT-8116

Note

When the file transfer is completed, the AT-8116 automatically resets

itself and reboots with the downloaded software in about two

minutes.

8116 TFTP Clien t Down load Procedure

1. Insure that an IP Address is assigned.

Use your terminal for Steps 2-7.

2. Set the TFTP mode to client using the set-tftp-mode command.

3. Insure that the host system for the TFTP server (if AT-8116 is the

TFTP client , then the host system should be an TFTP sever) and

AT-8116 are interconnected.

4. Insert the diskette with the software file into the host drive of the

TFTP server.

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Software Downloading

5. Select/Create a directory into which to copy the software file, and

enter this directory.

6. Copy the software file into a file with a suitable name.

7. Set the remote software file using the set-sw-file command.

8. Operate TFTP server on the remote system host and use the sw-

dnld command on the AT-8116 to start download.

8118 TFTP Server Down load Procedure

1. Insure that an IP Address is assigned.

2. Set the TFTP mode to the server using the set-tftp-mode

command.

3. Set the remote software file using the set-sw-file command.

4. Insure that the host system for the TFTP client (if AT-8116 is the

TFTP sever, then the host system should be an TFTP client) and AT-

8116 are interconnected.

5. Insert the diskette with the software file into the host drive of the

TFTP client.

6. Select/Create a directory into which to copy the software file, and

enter this directory.

7. Copy the software file into a file with a suitable name.

8. Set the remote software file using the set-sw-file command.

9. Use the sw-dnld command to start download.

10. Operate the remote TFTP client.

11. Select binary transfer mode if the code is in ASCII (equivalent to

octet in UNIX code).

12. Using the TFTP protocol, send the file (to be loaded into Flash

memory) to the IP address of the AT-8116.

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Appen dix B

System Defaults

Table B-1 System Default Values

CONSOLE

password

prompt

NULL

SYS_console>

SYSTEM

SW ﬁlename

tftp mode

changes according to revision

client

SNMP

Read Community:

Write Community:

Authentication Mode:

Traps Managers:

public

private

enable

none

PORT CONFIGURATION

port duplex

HALF

port select

FORC100

aggressive

backoff algorithm

SPANNING TREE

Spanning Tree

Bridge Priority

Bridge Max Age

Bridge Hello Time

Bridge Forward Delay

Port Priority

disable

32768

0-65535

6.0 - 40.0 sec

1.0 - 10.0 sec

4.0 - 30.0

0-255

128

Port Cost

1000/LAN speed (Mbps)

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Appen dix C

Com m an d Lin e Reference

Table C-1 Console Commands

help-kbd

banner

List the console functional keys

Display banner

clear

Clear console screen

Exit AI; do not disconnect a Telnet session

Exit Admin Interface and any active Telnet session

Set console page

logout

set-page

set-prompt

set-attr-prompt

set-attr-msg

set-attr-text

set-passwd

Change console prompt

Set the prompt attributes

Set the message attributes

Set the text attributes

Change the console password

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Command Line Reference

Table C-2 System Commands

sys-stat

Show system status

get-stst-level

set-stst-level

warm-reset

cold-reset

Show self-test level of switch

Change the self-test level

Warm reset of device

Cold reset of device

get-last-err

init-nvram

get-sw-ﬁle

set-sw-ﬁle

get-tftp-srvr

set-tftp-srvr

set-tftp-mode

get-tftp-mode

sw-dnld

Display information about the last fatal error

Initialize NVRAM to default values

Retrieve SNMP agent software ﬁle name

Set the SNMP Agent Software ﬁle name - for download

Retrieve TFTP download server IP address

Set TFTP download server IP address

Set the TFTP download mode

Retrieve the TFTP download mode

Begin software download to TFTP server

Set the Ethernet frame generator parameters

Starts the Ethernet frame generator

Stop the Ethernet frame generator

set-fg-param

start-fg

stop-fg

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AT-8116 User’s Guide

Table C-3 IP Commands

get-ip

Show current IP address

Set IP address

set-ip

get-ip-cfg

set-ip-cfg

clear-ip-cfg

get-gatew

set-gatew

get-arp-tbl

del-arp-entry

add-arp-entry

ping

Show current IP conﬁguration

Set IP address, netmask and broadcast

Clear IP conﬁguration in NVRAM

Show default gateway

Deﬁne default gateway

Display the ARP Table

Deletes an entry/all entries (*) of the ARP table

Adds an entry to the ARP table

IP trafﬁc generator

ping-stop

Stop the ping process

Table C-4 SNMP Commands

get-comm

set-comm

get-auth

Show current read and /or write community

Change the read or write community

Shows the traps authentication mode

Sets the trap authentication mode

Show destination stations in the trap list

Add destination station to trap list

Delete a destination station from trap list

Display the RMON session state

set-auth

get-traps

add-trap

del-trap

get-rmon-state

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Command Line Reference

Table C-5 Switching Database Commands

get-lt-entry

Gets an LT entry at index

get-lt-16

Gets 16 LT entries starting at a given index

Searches for an address in the LT

Removes an LT entry at index

Removes an LT with a given address

Adds an LT entry

ﬁnd-lt-addr

del-lt-entry

del-lt-addr

add-lt-entry

get-lt-age

set-lt-age

Displays the LT aging period

Modiﬁes the LT aging period

Table C-6 Virtual LAN Commands

get-con-matrix

set-vbc-domain

del-vbc-domain

get-vbc-tbl

Retrieve the VLAN connectivity matrix

Deﬁne a Virtual Broadcast domain

Delete a Virtual Broadcast domain

Display the Virtual Broadcast domain table

Retrieve the VBC connectivity matrixmonitor

Deﬁne a Security Virtual LAN

get-vbc-matrix

set-sec-vlan

del-sec-vlan

get-svlan-tbl

get-svlan-matrix

set-mon-port

monitor

Delete a Security Virtual LAN

Display the Security Virtual LAN table

Retrieve the Security VLANs connectivity matrix

Set monitoring port

Set port monitoring

stop-mon

End port monitoring

get-nv-mon

save-mon

Retrieve port monitoring information stored in NVRAM

Save current port monitoring information into NVRAM

clear-nv-mon

Clear port monitoring information previously stored in

NVRAM

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AT-8116 User’s Guide

Table C-7 Port Conﬁguration Commands

get-port-cfg

Display the conﬁguration of all ports

Set the port mode:full or half duplex

set-port-dplex

set-speed-sel

set-port-state

Set the port speed :10Mbps, 100Mbps or Asense

Enable or disable a port when Spanning Tree algorithm

is not running

set-aggr-mode

Enable or disable switch aggressive mode

Table C-8 Switching Statistics Commands

clr-cnt

Clear the switch Ethernet and bridging counters

Get the Ethernet counters per port

get-eth-cnt

get-colls-cnt

get-rmon-cnt

get-sdist-cnt

get-mgm-brcnt

Get the collision distribution counters per port

Get the Ethernet RMON counters per port

Get packet size distribution counters per port

Get the switching counters of the mgmt port

Table C-9 Spanning Tree Commands

get-stp

Display the Spanning Tree session state

Enable/Disable Spanning Tree - for the next session

Retrieve the Spanning Tree Bridge parameters

Retrieve the Spanning Tree port parameter table

Retrieve the Spanning Tree System Ports conﬁguration

Set the Spanning Tree bridge priority

set-stp

get-st-bcfg

get-st-pcfg

get-st-syscfg

set-br-prio

set-br-maxage

set-br-hellot

set-br-fwdel

set-prt-prio

set-br-enb

set-br-pcost

Set the Spanning Tree bridge MaxAge

Set the Spanning Tree bridge HelloTime

Set the Spanning Tree bridge Forward Delay

Set the Spanning Tree port priority

Set the Spanning Tree port enable/disable

Set the Spanning Tree port path cost

C-5

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