Milan Technology Switch MIL S3580 User Manual

             
              
               
                
                 
                  
                  
                   
                    
MIL-S3580  
24 Port Managed Switch  
with 2 Optional Gigabit/Fiber ports  
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Regulatory Approval  
- FCC Class A  
- UL 1950  
- CSA C22.2 Number 950  
- EN60950  
- CE  
EN55022 Class A  
EN55024  
Canadian EMI Notice  
This Class A digital apparatus meets all the requirements of the Canadian Interference-Causing  
Equipment Regulations.  
Cet appareil numerique de la classe A respecte toutes les exigences du Reglement sur le materiel  
brouilleur du Canada.  
European Notice  
Products with the CE marking comply with both the EMC Directive (89/336EEC) and the Low Voltage  
Directive (73/23EEC) issued by the commisions of the European Community. Compliance with these  
directives implies conformity to the following European norms:  
- EN55022 (CISPR 22) - Radio Frequency Interference  
- EN61000-X - Electromagnetic Immunity  
- EN60950 (IEC950) - Product Safety  
Five-Year Limited Warranty  
MiLAN Technology warrants to the original consumer or purchaser that each of its product and component thereof, will  
be free from defects in material and/or workmanship for a period of five years from the original factory shipment date.  
Any warranty hereunder is extended to the original consumer or purchaser and is not assignable.  
MiLAN Technology makes no express or implied warranties including, but not limited to, any implied warranty of  
merchantability or fitness for a particular purpose, except as expressly set forth in this warranty. In no event shall  
MiLAN Technology be liable for incidental or consequential damages, costs, or expenses arising out of or in connection  
with the performance of the product delivered hereunder. MiLAN Technology will in no case cover damages arising out  
of the product being used in a negligent fashion or manner.  
Trademarks  
© 2002 MiLAN, the MiLAN logo and MiLAN Technology are either trademarks or registered  
trademarks of Communications Systems, Inc. in the United States and/or other countries. All other  
trademarks are the property of their respective holders.  
To Contact MiLAN Technology  
For prompt response when calling for service information, have the following information ready:  
- Product serial number and revision  
- Date of purchase  
- Vendor or place of purchase  
You can reach MiLAN Technology technical support at:  
- Telephone: +1.408.744.2751  
- Fax: +1.408.744.2771  
MiLAN Technology  
1329 Moffett Park Drive  
Sunnyvale, CA 94089-1138  
United States of America  
Telephone: +1.408.744.2775  
Fax: +1.408.744.2793  
P/N 90000397_A (062102)  
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1. Introduction  
The MIL-S3580 Managed Switch is designed to provide your network with  
Ethernet, Fast Ethernet, Gigabit Ethernet connectivity over twisted pair and fiber  
optic cabling. Two expansion slots on the front further add to the flexibility of the  
systems.  
Figure 1-1. The MIL-S3580 Switch  
Features  
 Conforms to IEEE802.3, IEEE802.3u, IEEE802.3z, IEEE802.3x, IEEE802.1p,  
IEEE802.3ac, IEEE802.1D, IEEE802.1Q  
 24 Auto-sensing 10/100Mbps Ethernet RJ-45 ports  
 2 Expansion slots for optional modules: 1-port Duplex SC Gigabit (SX/LX),  
100Mbps Fiber (SC/MT-RJ/VF-45), 1 RJ-45 for UTP or STP Gigabit 1000T  
Module with Automatic MDI/MDIX support.  
 One console-connecting port for configuration  
 Auto-negotiation & Full-duplex/Half-duplex support  
 Store-and-Forward error free packet forwarding scheme  
 9.6 GB Backplane Bandwidth  
 8K-entry MAC address table  
 6Mbits share memory  
 Full wire speed forwarding rate  
 LED status indicators  
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Management Features  
 Console and Telnet Configuration  
 Web-based management  
 SNMP network management  
 IEEE 802.1Q Tagging VLAN and Port-Based VLAN support  
 IEEE802.3x Flow Control Mechanism for Full-duplex mode and Backpressure  
for Half-duplex  
 IEEE 802.1D Blocking, Learning, and Forwarding states support for Spanning  
Tree Protocol  
 IEEE 802.3ac extends the maximum Ethernet Length to 1522 to add the 4-Byte  
VLAN Tag  
 IEEE802.1p provides four levels of priority per port. Packets are prioritized  
according to the source port or the 802.1p priority tag  
 Security functions  
 IGMP Snooping and GMRP protocol support  
 Link Aggregation function support  
 Port Priority - 802.1p & TOS (Type of Service) support  
 TFTP support for system upgrade  
 Port Mirroring  
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Package Contents  
MIL-S3580  
Rubber Feet  
Rack-mounted Kit RS-232 cable  
User Guide  
Power Cord  
Figure 1-2. Package Contents  
Compare the contents of your MIL-S3580 package with the standard checklist  
above. If any item is missing or damaged, please contact your local dealer for  
service.  
Management Methods  
The MIL-S3580 supports the following management methods:  
 Console and Telnet Management  
 Web-based Management  
 SNMP Network Management  
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Console and Telnet Management  
Console Management is done through the RS-232 Console Port. Managing the  
MIL-S3580 in this method requires a direct connection between a PC and the  
MIL-S3580. Telnet management is done over the network. Once the MIL-S3580  
has an IP and is on the network, you can use Telnet to log in and change or view  
the configuration.  
SNMP Network Management  
SNMP (Simple Network Management Protocol) provides a means to monitor and  
control network devices, and to manage configurations, statistic collection,  
performance, and security.  
Data is passed from SNMP agents. SNMP agents are hardware & software  
processes reporting activity in each network device to the workstation console.  
The agent return information is contained in a MIB (Management Information  
Base), which is a data structure that defines what is obtainable from the device and  
what can be controlled.  
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2. Hardware Description  
The Front Panel  
The front panel of the MIL-S3580 consists of 24 auto-sensing 10/100Mbps  
Ethernet RJ-45 Ports, two optional expansion slots, and a console port. The LED  
Indicators are located on the front left panel of the Switch.  
Figure 2-1. Front Panel of the MIL-S3580  
24 10/100BASE-TX RJ-45 Ports (Auto MDI/MDIX):  
10/100Mbps auto-sensing port for 10Base-T or 100Base-TX device connection.  
Auto-MDI/MDIX allows you to connect to another switch or workstation without  
changing straight-through or crossover cabling.  
2 Expansion Slots :  
For the following optional modules:  
1 Port Gigabit 1000BASE-T Switch Modules,  
1 Port Gigabit 1000BASE-SX/LX Fiber Modules.  
1 Port 100BASE-FX Fiber Modules  
Console Port :  
Console Management can be done through the Console Port. It requires a direct  
connection between the MIL-S3580 and an end station via an RS-232 cable.  
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LED Indicators:  
Figure 2-2. LED Indicators  
All LED indicators are located on the front left panel of the MIL-S3580. They  
provide a real-time indication of system and operational status. The following table  
gives descriptions of the LED status and their meanings.  
Description  
LED  
Status  
Green Power is on.  
PWR  
Off  
Power is off.  
Green The port is operating at the speed of 100Mbps.  
100  
Off  
No device attached or port is in 10Mbps mode.  
Green The port is connecting with the device.  
Blinks The port is receiving or transmitting data.  
LK/ACT  
Off  
No device attached.  
Yellow The port is operating in Full-duplex mode.  
Blinks Collision of packets occurs in the port.  
FD/COL  
Off  
No device attached or port is in half-duplex mode.  
Table 2-1. Description of LED Indicators  
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Rear Panel  
The 3-pronged power plug and ON/OFF switch are located on the rear panel of the  
MIL-S3580. The switch works in the range 100-240VAC, 50-60Hz.  
Figure 2-3. Rear Panel of the MIL-S3580  
Power On  
After all network cables are connected, plug the power cord into the power socket  
on the back panel and the other end into a power outlet. Turn on the power using  
the power switch on the back panel.  
Check the front panel power indicator to see if power is properly supplied. The  
switch uses a universal power supply that requires no additional adjustment.  
Diagnostic Test  
After the installation is completed and AC power is applied to the switch, the  
system will automatically perform a diagnostic test. The PWR LED will come on.  
Within 5 seconds, all LEDs will flash for a split second.  
When the switch passes the self-test, the LEDs come on within 15 seconds on  
ports that are populated and connected.  
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3. Connecting to the Network  
This section provides the installation procedure and instructions for assigning an IP  
address.  
Pre-Installation Requirements  
Before you start hardware installation, make sure you have the items listed below.  
PCs with 10/100Mbps Ethernet NICs or 100Mbps Fiber NICs: Your PC  
must have a standard Ethernet interface to connect to the switch.  
UTP cable with RJ-45 connectors or Fiber cable connectors: Check if the  
cable and connectors work properly.  
A power outlet with range 100 to 240VAC at 50 to 60 Hz: Make sure that  
the power switch is accessible and cables can be connected easily.  
Dedicated power supply: Use dedicated power circuits or power  
conditioners to supply reliable electrical power to the network devices.  
A dry cool place: Keep the switch away from moisture. Avoid direct sunlight,  
heat source, and high amount of electromagnetic interference around.  
Mounting tools: If you intend to mount the switch on a rack, make sure you  
have all the tools, mounting brackets, screws etc.  
CAUTION:  
Cabling must be away from sources of electrical noise such as radio, computers,  
transmitters, broadband amplifiers, power lines and keep away from TVs,  
hair dryers, and microwave.  
Airflow around the switch and through its vents on the rear cannot be restricted.  
Mounting the Switch  
The MIL-S3580 is suitable for use in an office environment where it can be  
rack-mounted in standard EIA 19-inch racks or as a standalone device.  
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Desktop Mounting  
1. Set the switch on a sufficiently large flat space with a power outlet nearby.  
2. Make sure surface is clean, and dust free.  
3. Remove adhesive backing from the rubber feet.  
4. Apply the rubber feet to each corner on the bottom of the switch.  
Figure 3-1. Attaching rubber feet on the bottom of the switch  
CAUTION:  
Do not place objects on top of the switch.  
Rack-mounted Installation  
The MIL-S3580 comes with a rack-mount kit and can be mounted in an EIA  
standard sized, 19-inch rack. The switch can be placed in a wiring closet with other  
equipment.  
Perform the following steps to rack mount the switch:  
A. Position one bracket to align with the holes on one side of the switch and  
secure it with the smaller bracket screws. Then attach the remaining bracket to  
the other side of the switch.  
Figure 3-2. Attach mounting brackets with screws  
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B. After both mounting brackets are attached, position the switch in the rack by  
lining up the holes in the brackets with the appropriate holes on the rack.  
Secure the switch to the rack with a screwdriver and the rack-mounting screws.  
Figure 3-3. Mount the MIL-S3580 in an EIA Standard 19-inch Rack  
NOTE:  
For proper ventilation, allow at least 4 inches (10 cm) of clearance on the  
front and 3.4 inches (8 cm) on the back of the switch. This is especially important  
for enclosed rack installation.  
Connecting to the Switch  
The console port is a male DB-9 connector that enables a connection to a PC or  
terminal for monitoring and configuring the MIL-S3580. Use the supplied RS-232  
cable with a female DB-9 connector to connect a terminal or PC to the console port.  
The console configuration (out-of-band management) allows you to set your switch  
to enable a user at a remote console terminal to communicate with the MIL-S3580  
as if the console terminal were directly connected to it.  
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Figure 3-4. Connecting the MIL-S3580 to a Terminal via RS-232 Cable  
Login in the Console Interface  
When the physical connection between the switch and the PC is established, turn  
on the PC and run a terminal emulation program or Hyper Terminal and configure  
its communication parameters to match the following default characteristics of  
the console port:  
Baud Rate: 9600 bps  
Data Bits: 8  
Parity: None  
Stop Bit: 1  
Control flow: None  
Figure 3-5. Settings of Communication Parameters  
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Telnet  
You can access the console using a Telnet connection once an IP address is  
assigned. The switch offers password protection for this interface. When the telnet  
session opens, select Terminal>Properties. In the Terminal Preferences dialog,  
verify the following settings. Under Terminal Options select VT100 Arrows and  
set buffer Size to 25. Under Emulation, select the VT-100/ANSI radio button.  
User Interface  
The switch offers a menu-driven console interface. Use <Tab> key or the <arrow>  
keys to move within menus and sub-screens. To select a menu, press the  
appropriate <arrow> key to highlight the menu, and then press <Enter>. The  
following list describes common key commands:  
 <Esc> Return to previous menu or screen, or abort editing  
 <Tab> Scroll highlight bar through the screen  
 <>, <>, <>, <> Navigation keys to move around menu screen and  
editable fields  
 <Spacebar> Toggle between possible settings for field  
 <Enter> Select a menu item, edit a field or accept a value after editing a field  
The bottom of every screen displays action commands available for that particular  
screen such as Submit, Save, Refresh, Exit and sometimes other helpful  
information.  
Note that you can choose to leave a menu screen without applying any changes  
made at any time by pressing the <Esc> key and then confirming with the <Enter>  
key.  
OTICE  
NOTICE  
OTICE: When clicking on Submit button, you are applying the changes to the  
current session only. To save the changes into NVRAM, you need to go to the  
System Restart submenu and reset the system by either a Cold Start or Warm  
Start.  
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First Screen  
Figure 3-6. First Screen Display in Console Interface  
Once you have configured your system terminal and started the switch, you can  
login to the console interface. The default username is admin. There is no  
password required. You can change both the user name and password in the  
User Authentication Menu option, which appears on the Main Menu.  
Main Menu  
Figure 3-7. Main Menu  
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After login, you will see the Main Menu screen as illustrated in the picture. The  
Main Menu displays all the submenus and pages that are available in the console  
interface.  
1. System Information  
Figure 3-8. System Information Menu  
The system information screen displays information such as hardware, software  
versions, and system up time. You can also enter specific information about you  
and your organization. This information about the switch is available through any  
SNMP manager. In each field, 48 characters can be entered.  
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2. Management Setup  
Figure 3-8. Management Setup Menu  
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The management setup menu contains 6 submenus and is discussed in the  
following sections.  
2.1. Network Configuration  
Figure 3-9. Network Configuration Menu  
This menu allows the setting of your IP address of the switch according to your  
network's unique configuration. The factory defaults for all three addresses are  
0.0.0.0. After changing any of the settings, you need to save the information and  
reset the switch in order for the changes to take effect. Also note that the value  
under Current column will not reflect the changes you made until the next time you  
login after resetting the switch.  
2.2. Serial Port Configuration  
Figure 3-10. Serial Port Configuration Menu  
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You can change the serial port setting through this screen to suit you environment,  
however, it is recommended to keep the default setting.  
2.3. SNMP Community Setup  
Figure 3-11. SNMP Community Menu  
Use the SNMP communities to restrict access to the switch by SNMP management  
stations by adding editing or disabling SNMP communities. You can configure up  
to 6 SNMP communities, each with either a restricted read-only or unrestricted  
read/write access.  
Public Community (Read-only access right) allows the member of community to  
view the information but not to make changes to the configuration.  
Private Community (Read/Write access right) allows the member of the  
community to view and make changes to the configuration.  
To set the "Public" and "Private" community names, you can type the desired text  
string in the corresponding edit box.  
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2.4. Trap Receiver  
Figure 3-12. Trap Receiver Menu  
A trap receiver is a management station designated by the switch to receive  
SNMP traps sent from the switch. Use Trap Receiver screen to designate certain  
community to receive trap(s) generated by the system. In the default  
configuration, no trap receivers are configured and the authentication trap is  
disabled. The trap's Host IP address is the IP address required.  
2.5. Management Capability Setup  
Figure 3-13. Management Capability Setup Menu  
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This menu allows you to enable/disable Web-Based management capability. If  
disabled, there is no access to management function through the use of a Web  
browser such as Microsoft Internet Explorer or Netscape.  
2.6. Trap Filter Setup  
Figure 3-14. Trap Filter Setup Menu  
The system will generate a set of SNMP traps upon the occurrence of an event. By  
checking a filter event, you are turning off the filter and enabling the trap associated  
with that event. The trap will be sent to the community name(s) configured in the  
Trap Receiver Menu.  
3. Device Control Menu  
Figure 3-15. Device Control Menu  
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Device Control Menu contains 15 submenus where you can add and modify  
functions and features of the switch.  
3.1. Switch Device Configuration  
Figure 3-16. Switch Device Configuration Menu  
Use <Space Bar> to toggle the Enable/Disable field and type in the appropriate  
value in the Time and Priority fields.  
 Spanning Tree Enable State is disabled by default on the MIL-S3580. The  
switch uses the IEEE802.1D Spanning Tree Protocol (STP), when enabled,  
to ensure that only one path at a time is active between any two nodes on the  
network.  
 Dynamic Entry Aging Time - This is the time, in seconds, that the switch  
keeps an address of a device in the MAC address table. 300 seconds or 5  
minutes is the default. The time can be set from 5 seconds to 999 seconds or  
16.65 hours. A MAC address can also be entered in the static address table  
to prevent aging out.  
 Broadcast Storm Prevention can be set to 6%, 20% or Disabled. The  
percentage indicates the allowance against the capacity. When disabled,  
there is no limitation on the incoming rate of broadcast/multicast traffic,  
otherwise limitation on broadcast traffic will be set to the configured  
percentage.  
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 Ingress Filtering examines the tagged header of each tagged frame that  
enters a port and determines whether the tagged frame and the port that  
received the frame are members of the same VLAN. If they belong to the same  
VLAN, the port accepts the frame. If they belong to different VLANs, the port  
discards the frame. If Ingress filtering is disabled, any tagged frame is  
accepted on any port on the switch. It does not matter whether the frame and  
port belong to the same or different VLANs.  
 Per-Port Priority allows port-based priorities. You can designate the priority  
for the receiving port so that any frame received will be transmitted to the  
destination port with the programmed priority. However, if the received frame  
has a layer 3 priority (TOS or DiffServ), it will have precedence over  
port-based priority. When set, all ports by default have the lowest priority  
possible. If a priority different from lowest is wanted, the priority must be  
changed for each individual port in the Port Configuration Menu.  
 HOLB Prevention - Head Of Line Blocking occurs when many ports send  
frames to the same output port. This puts the frames in contention for output  
port and all frames must wait behind, thus the head of the line goes first. The  
shared memory switching fabric architecture eliminates any possibility of  
head-of-line blocking when this feature is enabled.  
 When QoS is enabled, you can map the Type of Service of your choice  
(according to IEEE 802.1p) to the 4 priority levels provided.  
 There are 3 different modes of VLANs supported in this switch, 802.1Q,  
Port-Based VLANs and MTU/MDU. The choice you make here will  
ultimately decide the VLAN mode and function for the entire switch. If one  
mode is selected, the other two VLAN modes will have no effect on the  
switch.  
 GVRP Enable State is used with IEEE 802.1Q VLANs. GVRP enables the  
switch to dynamically create 802.1Q compliant VLAN links with other  
switches running GVRP. This reduces the chance for errors in VLAN  
configuration by automatically providing VLAN ID (VID) consistency across  
the network. You can use GVRP to propagate VLANs to other GVRP  
switches instead of manually having to set up VLANs in each switch. In order  
to activate GVRP without overlapping VLANs, follow these steps:  
1. Assign static VLANs.  
2. Take out ports that belong to assigned VLANs from Default VLAN.  
3. Assign those ports to Local VID in Switch Port Configuration Menu.  
4. Tag the uplink port in the Untagged Configuration Menu.  
5. Turn on STP in Switch Configuration Menu.  
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6. Turn on GVRP in Switch Configuration Menu.  
7. Update Configuration Setting.  
8. Cold Start in System Start Menu.  
 IGMP Snooping relates to the protocol IGMP. IGMP enables routers to  
create lists of devices that are members of multicast groups. A multicast  
group might consist of all users that want to see the company yearly meeting  
on video. Video is a multicast application. IGMP Snooping enables the  
switch to monitor the flow of queries from the devices and the routers. IGMP  
Snooping improves the switch's performance by restricting the flow of  
multicast packets to only those switch ports, which have devices receiving the  
multicast (video).  
 IGMP Snooping Table Aging Time is the time the switch will maintain its  
multicast group(s). The time controls how frequently the switch expects to  
see information from devices that want to stay members of multicast groups  
and process leaving requests.  
3.1. Switch Port Configuration  
Figure 3-17. Switch Port Configuration Menu  
The ports on this menu are divided and displayed in three separate pages. Twelve  
ports are displayed on each of the first two menus, with the two modular uplink  
ports displayed on the third page. Use PREV PAGE, NEXT PAGE to list desired  
port range. To select a port, highlight that port using <Tab> or arrow keys, and  
press <Enter>  
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3.2. Individual Port Configuration  
Figure 3-18. Switch Port Configuration Menu  
In Switch Port Configuration Menu, you can configure basic characteristics such as  
speed, flow control, and VLAN ID as well as the following features supported by the  
switch:  
 Port Description - Sixteen characters can be entered to identify the port.  
 Admin State - When set to Disable, the port is inoperable and no devices can  
access the switch through the port. The administrator must then enable the  
port in order for a link to be established.  
 Speed and Duplex - There are five different settings that can be set for each  
port: Half-duplex-10Mbps, Full-duplex-10Mbps, Half-duplex-100Mbps,  
Full-duplex-100Mbps and Auto-negotiation.  
 Flow Control - When enabled, pause frame is utilized for full duplex  
operations and backpressure flow control is utilized for half duplex. By  
default, it is enabled.  
 Per-Port Priority – Four levels of priority (High, Medium, Low and Lowest)  
can be set to each individual port. However, the priority level set through QoS  
or TOS will have higher precedence.  
 Bandwidth Management - Eight levels of speed control facilitate the  
management of bandwidth. Configuration of receive and transmit control of  
each port is independent. You can set the port to transmit and/or receive at  
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the provisioned speed or none for full wire speed. Configuration takes effect  
immediately after saving, with no resetting of the switch necessary. The  
various levels are listed below.  
10Mb  
100Mb  
1000Mb  
312Kb  
3.12Mb  
31.2Mb  
625KB  
6.25Mb  
62.5Mb  
938Kb  
9.38Mb  
93.8Mb  
1.25Mb  
12.5Mb  
125Mb  
2Mb  
20Mb  
200Mb  
4Mb  
40Mb  
400Mb  
6Mb  
60Mb  
600Mb  
8Mb  
80Mb  
800Mb  
Table 3-1. Eight Levels of Bandwidth Provisioning  
 Default Port VLAN ID - The default VLAN ID must be set for each port after  
configuration of new VLANs.  
3.3. Permanent/Static Address Configuration  
Figure 3-19. Permanent Address Configuration menu  
There are 128 static unicast groups and 32 multicast supported by the system. Two  
submenus are contained in this section.  
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3.3.1. Static Unicast Address Configuration  
You can create, modify, or delete Static Unicast Address by selecting entries from  
the following screen.  
Figure 3-20. Static Unicast Address Configuration Menu  
This screen shows all the Static Unicast addresses configured and their status.  
There is a separate index for 128 different Static Unicast addresses. If the status of  
the address is to be changed or a new address to be added, <Tab> to the index of  
that address and press <Enter> to go to the Configuration Menu.  
Figure 3-21. Static Unicast Address Configuration Menu  
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Enter the MAC address you wish to set as the static unicast address and the  
associated port. Use <Space Bar> to toggle the status field between Disable,  
Forwarding, Filter-In, and Filter-Out.  
 Disable – This Unicast Address entry has no effect to the switch system.  
 Forwarding – All packets designated to this MAC address will be forwarded  
(and only to) the designated port.  
 Filter-in – Only packets originated from this MAC address will be permitted to  
enter this port. Packets originated from other MAC addresses will be dropped  
at this port automatically.  
 Filter-out – All packets designated to this MAC address will be blocked.  
3.3.2. Static Multicast Address Configuration  
Figure 3-21. Static Multicast Address Configuration Menu  
In the Static Multicast Configuration Menu screen, you can add member(s) to the  
group by checking the port(s) with <Space Bar> and key in MAC addresses and  
toggle Status field set to Enable.  
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3.4. Port Statistics  
Figure 3-22. Port Statistics Menu  
You can view the port specific statistical information displayed in this screen by  
entering the port number in the Port ID field. The statistics are automatically  
refreshed, but you can force the screen to refresh or reset the counters to 0 by  
selecting the appropriate option.  
3.5. Spanning Tree Protocol Configuration  
Figure 3-23. Spanning Tree Protocol (STP) Configuration Menu  
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By default, Spanning Tree is disabled on the MIL-S3580. The switch uses the  
IEEE802.1D Spanning Tree Protocol (STP), when enabled, to ensure that only one  
path at a time is active between any two nodes on the network. In networks where  
there is more than one physical path between any two nodes, STP ensures a single  
active path between them by blocking all redundant paths. Having more than one  
path between a pair of nodes causes loops in the network, which result in  
duplication of messages, leading to "broadcast storms".  
As recommended in the IEEE 802.1Q VLAN standard, the MIL-S3580 uses a  
single-instance STP, regardless of whether VLANs are configured on the switch.  
The Spanning Tree status can be changed with the <Space Bar>. If you enable the  
spanning tree protocol, you must complete the Priority and Time fields with  
appropriate values. Note that you can choose to leave a menu screen without  
applying any changes you had made at any time by pressing <Esc> and then  
confirm with <Enter>.  
 STP Bridge Priority - The range is 0 to 65535. This range specifies the priority  
value used along with the switch’s MAC address to determine which device in  
the network is root for all the spanning tree switches. The lower a priority value,  
the higher the priority. The default is 32768.  
 STP Bridge Max Age - The range is 6 to 40 seconds. This range specifies the  
maximum received message age the switch allows for STP information before  
discarding the message. The default is 20 seconds.  
 STP Bridge Hello Time - The range is 1 to 10 seconds. This is the time  
between messages transmitted when the switch is the root. The default is 2  
seconds.  
 STP Bridge Forward Delay - The range is 4 to 30 seconds. This is the time  
the switch waits before transitioning from the listening to the learning state and  
between the learning state to forwarding state. The default is 15 seconds.  
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3.6. Spanning Tree Protocol Port Configuration  
Figure 3-24. Spanning Tree Protocol Port Configuration Menu  
In this menu, you can assign spanning priority and path cost to any port. A port with  
higher priority and lower path cost is less likely to be blocked if Spanning Tree  
Protocol is detecting network loop.  
 STP Port Priority - Range is 0 to 255. This parameter is used by STP to  
determine the port(s) to use for forwarding. The port with the lowest number  
has the highest priority. The default is 128.  
 STP Port Path Cost - The range is 1 to 65,535. This assigns an individual port  
cost that the switch uses to determine which ports are the forwarding ports. The  
default is 19.  
 STP Port Topology Change Detection - When enabled, the switch will send a  
trap if the Trap Filter menu for the Bridge New Root Trap is also turned-on.  
3.7. Port-Based VLAN Configuration  
Assigning physical ports within workgroups is simple, and is a common method of  
defining a virtual workgroup – VLAN. It delivers the benefit of broadcast control and  
simplifies configuration for the network manager. One advantage of the  
Port-Based VLAN is its simplicity in configuration.  
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Figure 3-25. Port Based VLAN Configuration Menu  
Port Based VLAN needs to be set in the Switch Device Control Menu before any  
configuration in this menu takes effect. By default, the VLAN mode configuration  
for the switch is IEEE 802.1Q. Once set to Port Based VLANs, all ports are on the  
same VLAN by default. There can be up to 128 different port based VLANs  
configured. These VLANs can be overlapping which means that one port can  
belong to several different VLANs.  
Select the VLAN entry to create, modify, or delete the VLAN group. Use <Space  
Bar> to check (join) port(s) to the VLAN group. When a port is joined to a VLAN, it  
appears on the menu screen as (X). If the () is blank, the port does not belong to  
that VLAN.  
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Figure 3-25. Port Based VLAN Configuration Menu  
3.8. 802.1Q VLAN Configuration  
When configuring the IEEE802.1Q VLAN, there are slightly different options available  
when the port is configured on the console screen or the web browser. A port on a  
VLAN can be in one of three different states.  
 Normal where the port is not mapped to a specific VLAN but can become a  
member through Dynamic VLAN registration. Dynamic VLANs are set when  
GVRP learns them. Unless GVRP is running, there is no registration of dynamic  
VLANs.  
 Fixed registration maps a port to a specific or fixed VLAN. The network  
administrator can "fix" a VLAN to a specific port with this option. The port can also  
be set to another VLAN by dynamic VLAN registration.  
 Forbidden ports cannot participate in the designated VLAN. They cannot be fixed  
members or members of dynamic VLANs. When set to forbidden, the port cannot  
communicate with any ports on this VLAN.  
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Once configured there are 3 possible states of the ports that show in the management  
menus.  
S: shows a static registration of the port and GVRP is not running  
D: the port has been registered to the specific VLAN by GVRP  
C: the port has been registered to the specific VLAN by GVRP and it was also  
set to that VLAN by a network administrator  
OTE  
NOTE  
OTE: A blank indicates that the port is not a member of the VLAN.  
On the web browser the ports can be set as Normal, Fixed or Forbidden. The mapping  
of the 3 different configuration options on the console versus the web browser are  
shown below.  
Console configuration  
Web configuration  
Normal  
Fixed  
Normal  
Fixed  
Forbidden  
F
B
Forbidden  
If 802.1Q VLAN mode was chosen, then the settings of the following submenus are  
significant and need to be configured carefully.  
This screen shows the currently set VLAN sorted by index number. Select the  
entry to create, modify, or delete and proceed to the next screen.  
Figure 3-26. Static VLAN Configuration Menu  
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Figure 3-27. Static VLAN Port Configuration Menu  
( ) – Port is not set as static (fixed) member of the VLAN but it can become a  
member through Dynamic VLAN Registration. Dynamic VLANs occur when GVRP  
sets them. Unless GVRP is running, no registration of dynamic VLANs can take  
place.  
(F) – Port is set as static (fixed) member of the VLAN and can be registered as a  
dynamic VLAN member as well.  
(B) – Port(s) is being forbidden to participate in the designated VLAN. It cannot be  
a static member or a dynamic member of the VLAN. When set, this port cannot  
communicate with other ports.  
The configuration in Figure 3-27 sets all ports to the default VLAN. They may be  
members of a dynamic VLAN as well and to see which dynamic VLANs they  
belong to, you must view the Dynamic LAN menu.  
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3.8.1. Dynamic VLAN Table  
Figure 3-28. Dynamic VLAN Table  
This screen displays the VLAN mapping for port(s) that join VLAN(s) through  
Dynamic VLAN Registration. GVRP enables the switch to dynamically create  
802.1Q compliant VLANs on links with other devices running GVRP. This enables  
the switch to automatically create VLAN links between other GVRP aware devices.  
GVRP reduces the chances for errors in VLAN configuration by automatically  
providing VLAN ID consistently across the network.  
3.8.2. VLAN Tagged Configuration  
Figure 3-29. Port Untag Configuration Menu  
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All ports are set by default as untagged. To change port(s) to be tagged, use the  
<Space Bar> to uncheck - ( ) the port(s). In the above configuration, port 2 will  
send out tagged packets. If VLANs need to communicate with other VLANs on the  
network, VLAN tagging needs to be set for those ports. Also, in order for GVRP to  
work, VLAN tagging of those ports needs to be set.  
3.8.3. MTU/MDU Per-Port VLAN Table  
Figure 3-30. MTU/MDU Per-Port VLAN Table  
This screen allows you to only view the settings made in Switch Device  
Configuration menu. It shows that the switch is set to MTU/MDU VLAN mode with  
one uplink. If 2 uplinks are configured, ports 1 through 12 map to port 25 and ports  
13 through 24 map to port 26.  
OTE  
NOTE:  
OTE When set to MTU/MDU Port VLAN, management over the network  
(non-console) can only be done through one of the uplink port. This allows for a  
very secure network.  
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3.9. GARP Configuration  
Figure 3-31. GARP Configuration Menu  
GARP (Generic Attribute Registration Protocol) defines the architecture, rules of  
operation, state machines and variables for the registration and de-registration of  
attribute values. It allows dynamic filter entries for VLAN membership to be  
distributed among the Forwarding Databases of VLAN-aware switches. By joining  
GVRP (GARP VLAN Registration Protocol), it helps maintaining VLAN information.  
The rule of the aging scheme is:  
GARP Leave All Time > GARP Leave Time > GARP Join Time  
OTE  
NOTE:  
OTE Before GVRP can be enabled, STP must also be enabled, saved, and the  
switch must go through a Cold Start in order for configuration to take effect.  
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3.10. IGMP Snooping Table  
Figure 3-32. IGMP Snooping Table  
This table shows the multicast groups found by IGMP Snooping. By supporting  
IGMP (Internet Group Management Protocol) Snooping, the switch can forward  
multicast traffic intelligently. Packets are forwarded to the ports that belong to the  
multicast group instead of being broadcasted to all ports and possibly disrupting  
network performance. This lookup table reflects up to 32 multicast group(s)  
configuration of your system and provides an overview of the port(s) map to each  
multicast group.  
3.11. Trunk Group Configuration  
Figure 3-33. Trunk Configuration Menu  
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Multiple links between switches can be grouped (trunk) to work as one virtual,  
aggregate link. You can create 4 trunks at a time; each trunk can hold up to 8 ports.  
Only ports of the same speed can belong to a single trunk. Link aggregation is  
supported and trunking can be configured to another switch supporting the  
standards.  
 Trunk Group 1:  
o
o
o
2 Ports: 1, 2  
4 Ports: 1, 2, 3, 4  
8 Ports: 1, 2, 3, 4, 5, 6, 7, 8  
 Trunk Group 2:  
o
o
o
2 Ports: 9, 10  
4 Ports: 9, 10, 11, 12  
8 Ports: 9, 10, 11, 12, 13, 14, 15, 16  
 Trunk Group 3:  
o
o
o
2 Ports: 17, 18  
4 Ports: 17, 18, 19, 20  
6 Ports: 17, 18, 19, 20, 21, 22, 23, 24  
 Trunk Group 4:  
o
2 Ports: 25, 26  
3.12. Port Mirroring Configuration  
Figure 3-34. Port Mirroring Configuration Menu  
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By enabling port mirroring, traffic to and from the source port will be forwarded to  
the target port. You can select any of the 26 ports as either the Source port or the  
Target port by using <Space Bar> to select the desired port number.  
4. User Authentication  
Figure 3-35. User Authentication Menu  
You can change the password setting in the User Authentication Menu. You can  
also create alternate users and assign either read or read/write privileges to each  
user configured. By default, the switch has two user names configured: guest,  
with no password, which only has read privileges, and admin, which has read/write  
privileges and no password. For security reasons, it is suggested that a password  
is configured before the switch is installed on the network.  
OTE  
NOTE:  
OTE The maximum number of characters allowed for user name and password  
is 6.  
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Figure 3-36. User Authentication Detailed Menu  
After selecting an entry to add or modify, type in user name and password, toggle  
the user privilege with <Space Bar> and then update the changes.  
5. System Utility  
5.1 System Restart  
Figure 3-37. System Restart Menu  
You need to perform either a Cold Start or Warm Start to have the changes saved  
in the switch’s memory. These changes stay in effect until another configuration  
change is made. A warm start will save all configuration changes, but the switch  
does not go through a POST (Power On Self Test). A cold start will save all the  
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configuration changes and completely restart the switch’s hardware including the  
power, just as if you had powered the switch off and on. A warm boot is a software  
restart; no hardware is affected. Both types of restarts, save the configuration  
changes to the switch.  
5.2 Factory Reset  
Figure 3-38. Factory Reset Menu  
This menu lets you to reset a certain portion of the current configuration back to  
factory default or all configuration to factory default. If VLAN configuration is reset,  
all parameters of the all VLAN configuration is reset and only the one default VLAN  
is in effect as it was set from the factory. No other switch configuration is changed.  
In order to do a complete system reset, every one of the 6 items in the menu need  
to be reset.  
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5.3 Login Timeout Interval  
Figure 3-39. Login Timeout Interval  
You can set up the time you need for the automatic log-out to take effect. The  
default is that the local console connection and Telnet session will stay connected  
and not time-out.  
5.4 System Download  
Figure 3-40. System Download Menu  
TFTP downloads the code for the switch to perform a software upgrade. The  
switch supports two different upgrade modules: BOOT ROM and System  
Software. These two upgrades can be done concurrently or one after the other.  
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After flash upgrading the switch's system software, in Windows Internet Explorer,  
go to Tools, Internet Options, click on Delete Files button in General tab to clear  
all temporary internet files, and click OK. Then refresh window to view the new  
updated version of the MIL-S3580.  
5.5 Quick Start  
Figure 3-41. System Quick Start Menu  
When enabled, the switch will not go through a POST when Cold Start or Warm  
Start is selected in the System Restart Menu.  
5.6 Configuration Update Setting  
Figure 3-42. Configuration Update Setting  
When selected, switch updates all settings and restarts.  
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4. Web-Based Management  
This section introduces the configuration and functions of the Web-Based  
management.  
About Web-based Management  
An embedded HTML web server resides in flash memory inside the switch. It  
allows users to manage the switch from anywhere on the network through a  
standard browser such as Microsoft Internet Explorer or Netscape.  
The Web-Based Management is based on Java Applets with an aim to reduce  
network bandwidth consumption, enhance access speed and present an easy  
viewing screen.  
OTE  
NOTE:  
OTE By default, Internet Explorer 5.0 or later version does not allow Java Applets  
to open sockets. The user has to explicitly modify the browser setting to enable  
Java Applets to use network ports.  
System Login  
1. Start Internet Explorer or Netscape.  
Figure 4-1. Password Window  
3. The Password screen appears.  
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4. Type user name and password. The default is “admin” and no password.  
5. Press “Enter” or click ”OK”, then the Home Screen of the Web-based  
management appears.  
System Information  
Figure 4-2 System Information Menu  
You can manage the switch using third party’s SNMP (Simple Network  
Management Protocol) agent. Access rights to the SNMP agent are controlled by  
community strings. To set System Name, System Location and System Contact,  
you can type the desired text string in the corresponding edit box.  
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Management Setup  
Network Configuration  
Figure 4-3. Network Configuration Menu  
The IP address, subnet mask and default gateway of the managed node can be  
changed or modified on this menu. Enter a new IP address, subnet mask and  
default gateway in the corresponding edit box. The default IP address, subnet  
mask and gateway are all 0.0.0.0. The IP address and the subnet mask must be  
set by the local management port before the switch can be managed from the Web  
browser.  
Serial Port Configuration  
Figure 4-4. Serial Port Configuration Menu  
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You can change the serial port baud rate setting through this screen to suit your  
environment, however, using the default setting is recommended.  
SNMP Community Setup  
Figure 4-5. SNMP Community Setup Menu  
Public Community (Read-only access right) means that member of community  
can view the information but cannot make changes to the configuration.  
Private Community (Read/Write access right) allow the member of the  
community to view and make change to the configuration.  
To set the "Public" and "Private" community name, you can type the desired text  
string in the corresponding edit box.  
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Trap Receiver  
Figure 4-6. Trap Receiver Menu  
A trap receiver is a management station designated by the switch to receive  
SNMP traps sent from the switch. Use Trap Receiver screen to designate  
certain community to receive trap(s) generated by the system. In the default  
configuration, no trap receivers are configured and the authentication trap is  
disabled. The trap's Host IP address is the IP address required.  
Management Capability Setup  
Figure 4-7. Management Capability Setup Menu  
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This is where you can enable/disable Web-Based management capability which in  
turn allow or disallow the access to management function through the use of a Web  
browser. If Web Based management is disabled, the only way to manage the  
switch is connecting locally through the console port or via the network by Telnet.  
Trap Filter Setup  
Figure 4-8. Trap Filter Setup Menu  
The system can generate a set of SNMP traps upon the occurrence of those  
events. By checking a filter event, you are turning off the filter and enabling the  
trap associated with that event.  
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Device Control  
Switch Configuration  
Figure 4-9. Switch Configuration Menu  
 Spanning Tree Enable State - By default, Spanning Tree is disabled on the  
MIL-S3580. The switch uses the IEEE802.1D Spanning Tree Protocol (STP),  
when enabled, to ensure that only one path at a time is active between any two  
nodes on the network.  
 Dynamic Entry Aging Time - This is the time, in seconds, that the switch  
keeps an address of a device in the MAC address table. 300 seconds or 5  
minutes is the default. The time can be from 5 seconds to 999 seconds or  
16.65 hours. A MAC address can also be entered in the static address table  
and the MAC address will not age out.  
 Broadcast Storm Prevention can be set to 6%, 20%, or Disable. The  
percentage indicates the allowance against the capacity. When disabled, there  
is no limitation on the incoming rate of broadcast/multicast traffic, otherwise  
limitation on broadcast traffic will be set to the configured percentage.  
 Ingress Filtering examines the tagged header of each tagged frame that  
enters a port and determines whether the tagged frame and the port that  
received the frame are members of the same VLAN. If they belong to the same  
VLAN, the port accepts the frame. If they belong to different VLANs, the port  
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discards the frame. If Ingress Filtering is disabled, any tagged frame is  
accepted on any port on the switch. It does not matter whether the frame and  
port belong to the same or different VLANs.  
 Per-Port Priority allows port based priorities. You can designate the priority  
for the receiving port so that any frame received will be transmitted to the  
destination port with the programmed priority. However, if the received frame  
has a layer 3 priority (TOS or DiffServ) will have precedence over port based  
priority. When set, all ports by default have the lowest priority possible. If a  
priority different from lowest is wanted, the priority must be changed for each  
individual port in the port configuration menu.  
 HOLB Prevention - Head Of Line Blocking occurs when many ports send  
frames to the same output port. This puts the frames in contention for output  
port and all frames must wait behind, thus the head of the line goes first. The  
shared memory switching fabric architecture eliminates any possibility of  
head-of-line blocking when this feature is enabled.  
 When QoS is enabled, you can map the Type of Service of your choice  
(according to IEEE 802.1p) to the four priority levels provided.  
 There are 3 different modes of VLANs supported in this switch, 802.1Q,  
Port-Based VLANs and MTU/MDU. The choice you make here will ultimately  
decide the VLAN mode and function for the entire switch. If one mode is  
selected, the other two VLAN modes will have no effect on the switch.  
 GVRP Enable State is used with IEEE 802.1Q VLANs. GVRP enables the  
switch to dynamically create 802.1Q compliant VLAN links with other  
switches running GVRP. This reduces the chance for errors in VLAN  
configuration by automatically providing VLAN ID (VID) consistency across  
the network. You can use GVRP to propagate VLANs to other GVRP  
switches instead of setting up VLANs in each switch. STP must be enabled  
before GVRP is enabled. In order to activate GVRP without overlapping  
VLANs, follow these steps:  
1. Assign static VLANs.  
2. Take out ports that belong to assigned VLANs from Default VLAN.  
3. Assign those ports to Local VID in Switch Port Configuration Menu.  
4. Tag the uplink port in the Untagged Configuration Menu.  
5. Turn on STP in Switch Configuration Menu.  
6. Turn on GVRP in Switch Configuration Menu.  
7. Update Configuration Setting.  
8. Cold Start in System Start Menu.  
NOTE: Make sure the port you are connected to is not locked out after  
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VLANs are assigned.  
 IGMP Snooping relates to the protocol IGMP. IGMP enables routers to create  
lists of devices that are members of multicast groups. A multicast group might  
consist of all users that want to see the company yearly meeting on video.  
Video is a multicast application. IGMP snooping enables the switch to monitor  
the flow of queries from the devices and the routers. IGMP snooping improves  
the switches' performance by restricting the flow of multicast packets to only  
those switch ports, which have devices receiving the multicast (video).  
 IGMP Snooping Table Aging Time is the time the switch will maintain its  
multicast group(s). It controls how frequently the switch expects to see  
information from devices that stay members of multicast groups and process  
leaving requests.  
Switch Port Configuration  
Figure 4-11. Port Administration in Switch Port Configuration Menu  
The ports are divided and displayed in three separate pages. In the Port  
Administrative Configuration menu, select the port to configure the characteristics  
such as speed, flow control, and VLAN ID as well as the following features provided  
with the system:  
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Figure 4-12. Switch Port Configuration Menu  
 Port Description - Sixteen characters can be entered to identify the port.  
 Administration State - When set to Disable, the port is inoperable and no  
devices can access the switch through the port. The administrator must then  
enable the port in order for a link to be established.  
 Speed and Duplex - There are five different settings that can be set for each  
port: Half-duplex-10Mbps, Full-duplex-10Mbps, Half-duplex-100Mbps,  
Full-duplex-100Mbps and Auto-negotiation.  
 Flow Control - When enabled, pause frame is utilized for full duplex  
operations and backpressure flow control is utilized for half duplex. By default,  
this is enabled.  
 Per-Port Priority – Four levels of priority (High, Medium, Low and Lowest) can  
be set to each individual port. However, the priority level set through  
QoS/Type of Service configuration in the Device Configuration Menu will have  
higher precedence.  
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 Bandwidth Management - Eight levels of speed control facilitate the  
management of bandwidth. Configuration of receive and transmit control of  
each port is independent. You can set the port to transmit and/or receive at the  
provisioned speed or none for full wire speed. Configuration takes effect  
immediately after saving, with no resetting of the switch necessary. The  
various levels are listed below.  
10Mb  
100Mb  
1000Mb  
312Kb  
3.12Mb  
31.2Mb  
625KB  
6.25Mb  
62.5Mb  
938Kb  
9.38Mb  
93.8Mb  
1.25Mb  
12.5Mb  
125Mb  
2Mb  
20Mb  
200Mb  
4Mb  
40Mb  
400Mb  
6Mb  
60Mb  
600Mb  
8Mb  
80Mb  
800Mb  
Table 4-1. Eight Levels of Bandwidth Provisioning  
 Default Port VLAN ID - The default VLAN ID must be set for each port after  
configuration of new VLANs.  
Trunk Group Configuration  
Figure 4-13. Trunk Group in Switch Port Configuration Menu  
Port trunking is the ability to group several ports to increase the bandwidth between  
this switch and another compatible switch. This is an inexpensive way to increase  
bandwidth.  
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 Trunk Group 1:  
o
o
o
2 Ports: 1, 2  
4 Ports: 1, 2, 3, 4  
8 Ports: 1, 2, 3, 4, 5, 6, 7, 8  
 Trunk Group 2:  
o
o
o
2 Ports: 9, 10  
4 Ports: 9, 10, 11, 12  
8 Ports: 9, 10, 11, 12, 13, 14, 15, 16  
 Trunk Group 3:  
o
o
o
2 Ports: 17, 18  
4 Ports: 17, 18, 19, 20  
6 Ports: 17, 18, 19, 20, 21, 22, 23, 24  
 Trunk Group 4:  
o 2 Ports: 25, 26  
Port Mirror Configuration  
Figure 4-14. Port Mirror in Switch Port Configuration Menu  
Port Mirroring copies all traffic (all frames) from a specific source port to a target  
port. This helps to track down network errors or erroneous packet transfers without  
interrupting the flow of data across the network.  
To monitor all receive and transmit packets of one port. Choose the monitored port  
in "Source Port".  
 Choose the corresponding target port in “Target Port".  
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 Change the Disable Status to Enable.  
 Choose "Submit" button.  
Permanent Address Configuration  
You can Add, Modify, or Delete Static Unicast Address by selecting entries from the  
following screen.  
Figure 4-15. Static Unicast Address in Permanent Address Configuration Menu  
Enter the MAC address of a system you wish to set as static unicast address the  
port associated with the system. Select the status field between Disable,  
Forwarding, Filter-In, and Filter-Out.  
 Disable – This Unicast Address entry has no effect to the switch system.  
 Forwarding – All packets designated to this MAC address will be forwarded  
(and only to) the designated port.  
 Filter-in – Only packets originated to from this MAC address will be permitted  
to enter this port. In other words, packets originated from other MAC  
addresses will be dropped at this port automatically.  
 Filter-out – All packets designated to this MAC address will be blocked.  
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Figure 4-16. Static Multicast Address Configuration in Permanent Address  
Configuration Menu  
In the Static Multicast Configuration Menu screen, you can add member(s) to the  
group by checking the port(s).  
Spanning Tree Protocol Configuration  
Spanning Tree is a link management protocol that provides path redundancy while  
preventing undesirable loops in the network. For Layer 2 Ethernet network to  
function properly, only one active path must exist between two stations.  
The Spanning-Tree Algorithm calculates the best loop-free path throughout a  
switched network. STP forces redundant data paths into a standby (blocked) state.  
If a network segment in the spanning tree fails and a redundant path exists, the  
Spanning-Tree Algorithm recalculates the Spanning Tree topology and activates  
the standby path.  
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Figure 4-17. Spanning Tree Protocol Configuration Menu  
If you enable the Spanning Tree Protocol, you must complete the Priority and Time  
fields with appropriate values or use defaults. In this screen, you can assign  
spanning priority and path cost to any port. A port with higher priority and lower  
path cost is less likely to be blocked if Spanning Tree Protocol is detecting network  
loop.  
Spanning Tree Protocol Port Configuration  
Figure 4-18. Spanning Tree Protocol Port Configuration Menu  
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In this screen you can assign spanning Priority and Path Cost to any port. A port  
with higher priority and lower path cost is less likely to be blocked if Spanning Tree  
Protocol is detecting network loop.  
 STP Port Priority - Range is 0 to 255. This parameter is used by STP to  
determine the port(s) to use for forwarding. The port with the lowest number  
has the highest priority. The default is 128.  
 STP Port Path Cost - The range is 1 to 65,535. This assigns an individual port  
cost that the switch uses to determine which ports are the forwarding ports. The  
default is 19.  
 STP Port Topology Change Detection - When enabled, the switch will send a  
trap if the Trap Filter menu for the Bridge is also turned-on.  
Port Statistics  
Figure 4-19. Port Statistics Menu  
You can view the statistics information display in this screen regarding a certain port  
by entering the port number in the Port ID field. You can also refresh or reset the  
counter as you wish.  
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VLAN Configuration  
Figure 4-20. Port Based VLAN Configuration Menu  
(S) – Port(s) is set as static (fixed) member of the VLAN.  
(D) – Port(s) is set as static (fixed) member of the VLAN and can be registered as a  
dynamic VLAN member as well.  
(C) – Port(s) is being both a static member and a dynamic member of the VLAN.  
Port Based VLAN needs to be set in the Switch Device Control Menu before  
configuring this menu will take effect. By default, the VLAN mode configuration for  
the switch is IEEE 802.1Q. Once set to Port Based VLANs, all ports are on the  
same VLAN by default. There can be up to 128 different port based VLANs  
configured. These VLANs can be overlapping which means that one port can  
belong to several different VLANs.  
Static VLAN Configuration  
When configuring the IEEE802.1Q VLAN, there are slightly different options  
available when the port is configured on the console screen or the web browser. A  
port on a VLAN can be in one of three different states.  
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 Normal where the port is not mapped to a specific VLAN but can become a  
member through Dynamic VLAN registration. Dynamic VLANs are set when  
GVRP sets them. Unless GVRP is running, there is no registration of dynamic  
VLANs.  
 Fixed registration maps a port to a specific or fixed VLAN. The network  
administrator can "fix" a VLAN to a specific port with this option. The port can also  
be set to another VLAN by dynamic VLAN registration.  
 Forbidden ports cannot participate in the designated VLAN. They cannot be fixed  
members or members of dynamic VLANs. When set to forbidden, the port cannot  
communicate with any ports on this VLAN.  
Once configured there are 3 possible states of the ports that show in the  
management menus.  
S: shows a static registration of the port and GVRP is not running  
D: the port has been registered to the specific VLAN by GVRP  
C: the port has been registered to the specific VLAN by GVRP and it was also  
set to that VLAN by a network administrator  
Note: A blank indicates that the port is not a member of the VLAN.  
On the web browser the ports can be set as Normal, Fixed or Forbidden. The  
mapping of the 3 different configuration options on the console versus the web  
browser are shown below.  
Console configuration  
Web configuration  
Normal  
Fixed  
Normal  
Fixed  
Forbidden  
F
B
Forbidden  
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Figure 4-21. Static VLAN Configuration Menu  
Dynamic VLAN Table Menu  
Figure 4-22. Dynamic VLAN Table  
This screen displays the VLAN mapping for port(s) that join the VLAN(s) through  
Dynamic VLAN Registration.  
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Figure 4-23. Untagged Configuration Menu  
All ports are set by default as Untagged in this switch, to change port(s) to Tagged  
just pick the port number you desire and select “No” from the Port Map.  
Figure 4-24. MTU/MDU Per Port VLAN Table in The VLAN Configuration Menu  
This screen as above only reflects the setting you made in Switch Device  
Configuration menu. Changes cannot be made here. Should you set the VLAN  
Mode to <MTU/MDU> mode and <One Uplink> port then ports 1 - 25 will be  
mapped to port 26 as the uplink port. If <Two Uplinks> is selected, then ports  
1 – 12 will be mapped to port 25 as the uplink port and ports 13 - 24 will be  
mapped to port 26 as the uplink port.  
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Figure 4-25. Port Based VLAN Configuration in the VLAN Configuration Menu  
Select the VLAN entry to create, modify, or delete the VLAN group. Then mark as  
(Y)es to belong to certain VLAN group(s) or (N)o to not belong to that VLAN..  
GARP Configuration  
Figure 4-26. GARP Configuration Menu  
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GARP (Generic Attribute Registration Protocol) defines the architecture, rules of  
operation, state machines and variables for the registration and de-registration of  
attribute values. It allows dynamic filter entries for VLAN membership to be  
distributed among the Forwarding Databases of VLAN-aware switches. By joining  
GVRP (GARP VLAN Registration Protocol), it helps maintaining VLAN information.  
The rule of the aging scheme is:  
GARP Leave All Time > GARP Leave Time > GARP Join Time  
OTE  
NOTE:  
OTE Before GVRP can be enabled, STP must be enabled, saved, and switch  
must go through a Cold Start in order for configuration to take effect.  
IGMP Configuration  
Figure 4-27. IGMP Configuration Menu  
Multicasting is used to support real-time applications such as video conferencing or  
streaming audio. IGMP (Internet Group Multicast Protocol) allows you to query for  
any attached hosts who want to receive a specific multicast service. The switch  
looks up the IP Multicast Group used for this service and adds any port, which  
received a similar request to that group. It then propagates the service request on  
to any neighboring multicast switch to ensure that it will continue to receive the  
multicast service.  
By supporting IGMP (Internet Group Management Protocol) Snooping, the switch  
can forward multicast traffic intelligently. Packets are forwarded to the ports that  
belong to the multicast group instead of being broadcasted to all ports and possibly  
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disrupting network performance. This lookup table reflects the multicast group(s)  
(up to 32) configuration of your system and provides an overview of the port(s) map  
to each multicast group.  
User Authentication  
Figure 4-28. User Authentication Menu  
You can change the password setting in the User Authentication Menu. You can  
also create user and assign different privileges to suit your needs. After selecting an  
entry to add or modify, type in user name and password, toggle the user privilege  
and then update the changes.  
OTE  
NOTE:  
OTE User name and passwords are at 6 characters maximum.  
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System Utility System Restart  
Figure 4-29. System Restart Menu  
Either a Cold Start or Warm Start needs to be executed to have the changes saved  
and keep in effect until you make another change.  
Factory Reset  
Figure 4-30. Factory Reset Menu  
This menu lets you to reset a certain portion of the current configuration back to  
factory default or all configuration to factory default. If VLAN configuration is reset,  
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all parameters of the all VLAN configuration is reset and only the one default VLAN  
is in effect as it was configured from the factory. No other switch configuration is  
changed. In order to do a complete system reset, every one of the 6 items in the  
menu need to be reset.  
Login Timeout Interval  
Figure 4-31. Login Timeout Interval Menu  
You can set up the time you need for automatic log-out for 0 or up to 60 seconds.  
System Download  
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Figure 4-31. System Download Menu  
TFTP downloads the code for the switch to perform a software upgrade. The  
switch supports two different upgrade modules: BOOT ROM and System Software.  
These two upgrades can be done concurrently or one after the other. After flash  
upgrading the switch's system software, in Windows Internet Explorer, go to Tools,  
Internet Options, click on Delete Files button in General tab to clear all temporary  
internet files, and click OK. Then refresh window to view the new updated version  
of the MIL-S3580  
Update Setting  
Figure 4-32. System Update Setting Menu  
You can save current settings by click the "Submit" checkbox .You should reboot  
the system so that your current settings will take effect.  
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5. Network Configuration  
This section provides you a few samples of network topology in which the  
MIL-S3580 is used.  
The Switch provides versatile configuration options for the network. It is ideally  
suited as a workgroup or segment Switch in a network; it has the flexibility to  
provide switched 10Mbps to the desktop or shared hubs, aggregate traffic from  
workgroup switches, or provide dedicated 100Mbps or 1000Mbps (Gigabit) to  
servers with bandwidth-intensive applications. And because all Fast Ethernet ports  
auto-negotiate for operation at 100 Mbps, the switch is perfectly suited for an  
evolving network environment where demand for network speed is increasing.  
Collapsed Backbone Application  
For small network where rapid growth can be expected in the near future, this  
switch is an ideal solution supporting backbone connectivity.  
The switch can be used as a standalone switch for a group of heavy traffic users.  
Switching is brought to the desktop either through a single end-station per switch  
port or through a multi-port switch.  
A 1000Mbps server is connected to the switch, providing end stations high-speed  
accessibility to its applications. This configuration provides dedicated 100Mbps  
connections to the network center, to the server, and up to 40 users (while 2  
optional 8-port modules are installed).  
When the network needs expansion, you can simply connect the switch to any  
IEEE 802.3 (Ethernet), IEEE 802.3u (Fast Ethernet) and 802.3ab (Gigabit Ethernet)  
compliant switch utilizing the Auto MDI/MDIX function. This switch can also  
cooperate with a wide range of networking devices (e.g., firewall routers and printer  
servers) added to the network.  
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Figure 5-1. Collapsed Backbone Application  
Departmental Bridge  
For enterprise networks where large data broadcasts are constantly processed,  
this switch is an ideal solution for department users to connect to the corporate  
backbone. The MIL-S3580 used as a segment switch can alleviate user contention  
for bandwidth and eliminate server and network bottlenecks. All ports can connect  
to high-speed department servers that need high bandwidth. This switch provides  
parallel communications within its Gigabit port, which can run up to 2000Mbps at  
Full-duplex.  
The switch makes key servers available to more users by allowing multiple  
conversations to occur concurrently, thereby significantly expanding overall  
network throughput. Moreover, this switch eases supervision and maintenance by  
allowing network manager to centralize multiple servers in a single location.  
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Full-duplex operation only applies to point-to-point access (for example,  
Figure 5-2: Departmental Bridge Application  
NOTE:  
when attaching the switch to a workstation, server, or another switch). When  
connecting to hubs, use a standard cascaded connection set for half-duplex  
operation.  
High Performance Switched Workgroup  
This switch is also a good solution for connecting two workgroups, supporting the  
throughput, for example, of 800Mbps. This application is useful for power groups  
that need high bandwidth.  
The most common LAN implementations use a combination of standard switches,  
bridges and routers. The bridges and routers quickly become bottlenecks,  
reducing overall network throughput. Switching to higher-speed LANs such as  
FDDI or ATM is not a good choice for most people.  
However, such broadband equipment is still extremely expensive and hard to  
maintain. Besides, you have to replace all existing Ethernet cables and adapter  
cards, restructure your network, and implement more expensive administration  
procedures.  
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The switch can provide the same bandwidth of FDDI and ATM at much lower costs.  
In addition, all current adapters and network devices can still be used. The  
switching cross-domain connection is better than bridge and router because users  
can retain LAN structure in which any node can freely communicate with any other  
node.  
Figure 5-3: High Performance Switched Workgroup Application  
IEEE 802.1Q VLAN Application  
The switch supports up to 4096 Group ID, IEEE 802.1Q-compatible virtual LAN  
(VLANs).  
Port-based VLAN Workgroup12s  
You can group the switch ports into broadcast domains by assigning them to the  
same VLAN to increase network capacity and performance. With network  
segmentation, each switch port connects to a segment that is a single broadcast  
domain. Packets received in one VLAN can only be forwarded within that VLAN.  
VLAN allows the grouping of end stations logically, based not on physical location  
but on business policies such as job function or department. Members of a group  
can be dispersed throughout a facility - they do not have to be connected in close  
physical locations.  
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Hence, group members can coordinate their data communication requirements  
regardless of the actual working locations; and the logical network can extend to  
any point you want it to. Moreover, VLAN groups can be modified at any time to  
add, move or change users without any re-cabling.  
Figure 5-4: VLAN Workgroup Application  
Shared Server  
The MIL-S3580’s compliance to the IEEE802.1Q tagging VLAN standard allows  
ports to exist in multiple VLANs for shared resources, such as servers, printers,  
and switch-to-switch connections. It is also possible to have resources exist in  
multiple VLANs on one switch as shown in the following figure.  
Figure 5-5: Shared Server  
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In this example, stations on different VLANs share resources. As a result, VLAN 1  
and VLAN 2 can access VLAN 3 for printing. The broadcasts from ports configured  
in VLAN3 can be seen by all VLAN port members of VLAN3.  
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6. Product Specifications  
This section provides the specifications of MIL-S3580 switch, and the following  
table lists them.  
Standards Compliance IEEE802.3 10BASE-T  
IEEE802.3u 100BASE-TX and 100BASE-FX  
IEEE802.3ab 1000BASE-T  
IEEE802.3z 1000BASE-SX  
IEEE802.3x Flow Control  
IEEE802.1p Priority Support  
IEEE802.3ac Frame Extension for VLAN Tagging  
IEEE802.1D spanning tree  
IEEE802.1Q VLAN tagging  
Protocol  
Media connector  
CSMA/CD  
100M FX, SC, MTRJ, VF45  
Basic unit: 24 RJ-45 for STP or UTP,  
Auto MDI/MDI-X Support  
Gigabit SX/LX Module: 1 Duplex SC  
Gigabit 1000T Module: 1 RJ-45 for UTP or STP, Auto  
MDI/MDI-X Support  
GBIC: Mini GBIC LC type, Standard GBIC SC type  
14880 packets per second for 10Mbps  
148800 packets per second for 100Mbps  
1488000 packets per second for 1000Mbps  
Transfer Rate  
Backplane Bandwidth 9.6Gb  
Switch Technology  
Store-and-Forward Error Free Packet Forwarding  
Scheme  
Supports Hardware Level Broadcast Storm Prevention  
without Consuming System CPU Utilization  
8K MAC address with auto learning function  
6Mbits share memory  
MAC Address  
Data Buffer  
LED  
System Power, per port Link/active,  
FD/COL,10/100Mbps  
Gigabit Module Link/active, FDX/COL  
440mm(W)*225mm(D)*44.5mm(H)  
Dimension  
Weight  
Power  
100~240 VAC 50/60HZ  
FCC Class A, CE, UL  
EMI & Safety  
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P/N 90000397_A (062102)  
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