Intel Switch 654655 001 User Manual

Intel Express 100BASE-TX Switching Hub  
User Guide  
PartNo. 654655-001  
 
Contents  
Quick Start  
1
3
Chapter 1  
Hardware Installation and Network Topology  
Overview .................................................................................................................................................. 3  
Features..................................................................................................................................................... 4  
Installation and Setup ............................................................................................................................... 5  
Using the Switch....................................................................................................................................... 6  
Port status LEDs ................................................................................................................................ 6  
Management status LEDs.................................................................................................................. 7  
Cabling Requirements .............................................................................................................................. 8  
UTP requirements ............................................................................................................................. 8  
Fiber optic requirements ................................................................................................................... 9  
Straight-through vs. crossover cables ............................................................................................... 9  
Typical Configurations........................................................................................................................... 10  
Configuring the 100 Mbps workgroup environment ...................................................................... 10  
Configuring the Wide Area Network (WAN) environment ........................................................... 11  
Connecting to a 10 Mbps segment .................................................................................................. 12  
Excessive flow control problems .................................................................................................... 13  
Chapter 2  
Configuring and Managing the Switch  
15  
Accessing the Console Manager ............................................................................................................ 16  
Using the Console Manager ................................................................................................................... 17  
Entering commands......................................................................................................................... 17  
Console Manager command groups................................................................................................ 19  
Configuring a port for full duplex ................................................................................................... 20  
Configuring the SNMP agent for IP................................................................................................ 20  
Monitoring traffic ............................................................................................................................ 21  
Creating VLANs ............................................................................................................................. 23  
Configuring the spanning tree ......................................................................................................... 24  
Creating custom filters .................................................................................................................... 25  
iii  
 
C O N T E N T S Intel Express 100BASE-TX Switching Hub Users Guide  
Console Command Reference ................................................................................................................ 26  
System commands........................................................................................................................... 28  
IP commands ................................................................................................................................... 31  
Ping commands ............................................................................................................................... 34  
SNMP commands ............................................................................................................................ 36  
Switching database commands ....................................................................................................... 38  
VLAN commands ........................................................................................................................... 46  
Spanning tree commands ................................................................................................................ 49  
Port configuration commands ......................................................................................................... 51  
Switching statistics commands........................................................................................................ 52  
Console command-line summary ................................................................................................... 56  
Chapter 3  
Troubleshooting  
59  
61  
Appendix A Technical Information  
Default Configuration............................................................................................................................. 61  
Specifications ......................................................................................................................................... 62  
SNMP and MIB Support ........................................................................................................................ 65  
Custom Filter Port Table ........................................................................................................................ 66  
Limited Warranty ................................................................................................................................... 71  
Index  
73  
Customer Support  
Inside back cover  
iv  
 
Quick Start  
1. Install the Express 100BASE-TX Switching Hub in a rack or on a shelf or table,  
plug the cord in, and turn the power on. See page 5 (steps 1 and 2).  
Port  
1
Port  
2
Intel Express  
/
t
100BASE-TX Switching Hub  
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i
Brackets and screws for standard  
19-inch equipment rack placement.  
Port  
3
Port  
4
Port  
5
Port  
6
Port  
7
Console Mgmt  
SNMP Pwr  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgm  
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Mgmt Fault  
MDI  
MDI  
MDI  
MDI  
MDI  
100BASE-TX  
Rubber feet for shelf or table placement.  
2. Connect the network devices to the switch. See page 5 (step 3) and pages 10–12.  
Port  
1
Port  
2
Intel Express  
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NOTES  
100BASE-TX Switching Hub  
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Port  
3
Port  
4
Port  
5
Port  
6
Port  
7
Console Mgmt  
SNMP Pwr  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgm  
Connect only 100 Mbps devices to the  
switch. See page 12 for information on  
connecting to 10 Mbps segments.  
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Mgmt Fault  
MDI  
MDI  
MDI  
MDI  
MDI  
100BASE-TX  
Straight-through  
cables to hubs  
Crossover cables to  
servers/workstations  
2
3
4
5
6
7
8
9
10  
11  
12  
The default configuration for each port is  
Media Adapter  
Intel Express  
100BASE-T4 Stackable Hub  
1
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5
10  
Expansion Slot Stat  
Management Stat Mstr Enbl  
15  
25  
³30  
1
Media Adapter  
Port Status  
1
2
3
4
5
6
7
8
9
10  
22  
11  
23  
12  
24  
13  
14  
15  
16  
17  
18  
19  
20  
21  
half duplex mode only.  
Expansion Slot  
100BASE-TX hub  
Always use Category 5 cabling.  
100BASE-TX server/  
workstation  
3. Check the LEDs for power and links. See pages 6 and 7.  
Port 3  
Console Mgmt  
SNMP Pwr  
Xmt FC/FD Mgmt  
Should always be on.  
Lights briefly while the switch  
performs self-tests.  
Rcv Clsn Link  
MDI  
Mgmt Fault  
Blinks every two seconds.  
Lights when device is  
plugged into the port.  
Next steps (Optional)  
• Continue to the next page if you want to configure the switch to work with an SNMP-compliant  
Network Management System (NMS).  
• See Chapter 2 if you want to use the Console Manager to change port configurations (set a port for  
full duplex), assign an IP address, or check port statistics.  
1
 
(Optional) Quick Start for SNMP Management  
4. Use the null-modem cable to connect the Console Mgmt port to a COM port on a  
workstation.  
A null-modem cable is  
Console Mgmt  
provided with the switch.  
PC-3442  
5. Open a terminal emulation program (such as Terminal in Microsoft Windows* 3.1).  
Specify these communication parameters:  
9600 baud  
8 data bits  
No parity  
1 stop bit  
6. Press   E and log into the Console Manager:  
Login:  
password:  
By default, no password or user name is assigned. If you enter one, it is saved upon reset.  
7. Set the IP configuration using the set-ip-conf command:  
set-ip-conf 192.1.1.64 255.255.255.0 192.1.1.255 E  
Replace these addresses with the numbers for your network. Specify the IP address, netmask  
(subnet mask), and broadcast address, in that order.  
8. Download the Intel MIB (Management Information Base) file from an Intel online  
service and compile into your NMS.  
The MIB filename is SWCH1MIB.EXE. You can find the file on Intel’s Customer Support web  
documentation for instructions on compiling the MIB for a new device.  
2
 
Hardware Installation  
and Network  
1
Topology  
Overview  
The Intel Express 100BASE-TX Switching Hub is a 5-port Fast  
Ethernet switch featuring five 100BASE-TX ports and two slots for  
optional 100BASE-TX or 100BASE-FX media adapters. Each 100  
Mbps port supports a Fast Ethernet segment, up to a total of 1024  
cached nodes for the switch.  
The switch increases the available bandwidth and extends the distance  
of Fast Ethernet installations by dividing the network into segments  
and insulating each from the others’ local traffic. Additionally, by  
configuring a link for full duplex, you can establish a 200 Mbps link  
between the switch and another switch, server, or workstation. This is  
especially useful for busy file servers that are accessed by multiple  
segments.  
Data transfer delays are eliminated through the switch’s parallel store-  
and-forward architecture with direct port-to-port transfer. Selective  
flow control improves performance by preventing lost packets due to  
buffer overload.  
3
 
C H A P T E R  
1
Intel Express 100BASE-TX Switching Hub  
Security features include the creation of custom filters and virtual  
networks (VLANs). You can define any custom filter based on  
multicast/broadcast, source port, destination port, and destination  
address. VLAN features include the ability to set broadcast or  
multicast domains. See Chapter 2 for information on configuring  
VLANs.  
The switch also has a built-in SNMP (Simple Network Management  
Protocol) agent and can be monitored and controlled through any  
SNMP-compliant Network Management System (NMS). See page 20  
for information on using the switch with an SNMP NMS and getting  
the switch’s MIB (Management Information Base) file.  
Features  
Five RJ-45 Fast Ethernet ports  
Two expansion ports for optional 100BASE-TX or 100BASE-FX  
media adapters  
Standard 19-inch rack-mount chassis (rack-mount kit included)  
Auto-ranging power supply (automatically adjusts to any voltage  
between 90 VAC and 264 VAC at 50/60 Hz)  
Full duplex selectable on each port  
Flow control selectable on each port  
1024 address cache entries  
Custom filtering table  
Serial console port with password protection  
SNMP support (see Appendix A for MIB information)  
Spanning tree protocol support  
Built-in remote monitoring (RMON) support (Group 1)  
4
 
C H A P T E R 1 Hardware Installation and Network Topology  
Installation and Setup  
1
Install the switch in a rack or on a shelf.  
For rack placement, connect the switch to a 19-inch rack using the  
enclosed rack mount brackets.  
For shelf placement, attach the enclosed rubber feet to each corner of  
the bottom of the switch and place it on a flat, level surface.  
2
Plug the switch in and turn the power on.  
Plug the switch into an active AC outlet and turn the power on. A  
built-in power supply automatically adjusts to any outlet providing  
between 90 VAC and 264 VAC at 50/60 Hz.  
3
Connect the Fast Ethernet devices.  
NOTE  
The switch will only work with  
100 Mbps devices. For a  
10BASE-T connection, see  
page 12.  
For optimum performance, the Fast Ethernet segments connected to  
the switch must be configured carefully. Follow these general  
guidelines:  
Connect only 100 Mbps devices to the switch. The switch will not  
work with 10 Mbps devices. See page 12 for information on  
connecting to a 10 Mbps segment.  
Always use Category 5 unshielded twisted-pair (UTP) cable when  
plugging devices into 100BASE-TX ports.  
Limit the distance between devices connected with UTP cable to  
100 meters.  
Use a crossover cable when directly connecting a workstation,  
server, or another switch to the switch. Use straight-through  
cables when connecting to a repeating hub or concentrator.  
Configure the network so devices that primarily talk to each other  
are on the same segment. Each port on the switch is defined as a  
single Fast Ethernet segment.  
4
Is setup complete?  
If you’re using the switch as a stand-alone device (not under the  
control of network management software), you’re done.  
If you want to change the default configuration (shown in  
Appendix A) or manage the switch, continue to Chapter 2.  
5
 
C H A P T E R  
1
Intel Express 100BASE-TX Switching Hub  
NOTE  
Using the Switch  
The default configuration of  
all ports is half-duplex mode.  
The switch requires minimal user intervention. It automatically learns  
the addresses of new stations as they appear, and will relearn  
addresses dynamically if the network is reconfigured.  
To change to full duplex, use  
the Console Manager. See  
page 19 for instructions.  
Each of the Fast Ethernet ports has six status LEDs. There is a  
separate bank of four LEDs for the management status.  
Port status LEDs  
Port LEDs provide information about the port’s configuration and the  
status of devices connected to the ports.  
Port 3  
Xmt FC/FD Mgmt  
Ports on the switch are wired  
MDI for connection to MDI-X  
ports using a straight-through  
UTP cable. See page 9 for  
more information.  
Rcv Clsn Link  
MDI  
Xmt  
Rcv  
Transmit. Lights when the switch is transmitting  
packets on this port.  
Receive. Lights when packets are received on this port,  
even if they are not forwarded.  
FC/FD Flow Control (default) or Full Duplex. Blinks on when  
flow control is activated. If flow control is disabled, the  
LED blinks on when a packet is lost. If full duplex is  
enabled on the port, the LED is normally on  
continuously, and blinks off when a packet is resent.  
Flow control is not possible, nor needed, when full  
duplex is enabled.  
Clsn  
Collision. Lights whenever a collision occurs while the  
port is transmitting. Collisions are normal in an Ethernet  
environment. However, if the collision LED is on  
continuously, you may have a problem with a device on  
the segment.  
6
 
C H A P T E R 1 Hardware Installation and Network Topology  
Mgmt Management. Lights when the management agent  
checks the port (normally, every two seconds).  
Link  
Link. When solid, indicates a connection is established.  
If the Link LED is off, check for loose cable  
connections. Also, make sure you’re using the correct  
type of Category 5 cable, either straight-through or  
crossover. See page 9 for more information.  
Management status LEDs  
Management status LEDs provide information about the overall  
operation of the switch and its SNMP management components.  
Console Mgmt  
SNMP Pwr  
Mgmt Fault  
SNMP Simple Network Management Protocol. Always  
on, indicating that the built-in SNMP agent is working.  
Mgmt Management. Blinks on at regular intervals as the  
SNMP agent is polled for updated information.  
Pwr  
Power. Indicates the status of the power supply. It may  
remain off for a few seconds during the power-on self-  
test. It is normally on.  
Fault  
Fault. Indicates that the switch has detected a  
problem. It may remain on for a few seconds during the  
power-on self-test. If this indicator blinks or remains lit  
after self-test, there is a problem with the switch.  
See Chapter 3 for troubleshooting information.  
7
 
C H A P T E R  
1
Intel Express 100BASE-TX Switching Hub  
Cabling Requirements  
Incorrect cabling is often the cause of network configuration  
problems. It’s important that you understand cabling requirements  
before connecting Fast Ethernet devices to the switch.  
UTP requirements  
The 100BASE-TX Fast Ethernet specification requires you use  
Category 5 (CAT5) unshielded twisted-pair (UTP) cabling to operate  
at 100 Mbps per second. If you use lower grade cabling (CAT3 or  
CAT4), you’ll get a connection, but will soon experience data loss or  
slow performance.  
You’re limited to 100 meters between any two devices with UTP  
cable. However, you can extend the total diameter by installing a fiber  
optic media adapter and using fiber optic connections between  
switches, or between the switch and a router or bridge.  
See pages 10–11 if you’re unsure whether your network topology  
meets these distance limitations.  
Fiber optic requirements  
The optional 100BASE-FX fiber optic media adapter (Intel product  
code ESMODFX) lets you use multimode fiber optic cable to connect  
two switches, or to connect the switch with a router or bridge. The  
media adapter uses an SC fiber optic connector.  
With multimode fiber optic cable, signals can travel up to 412 meters  
with no repeater when the link is configured at half duplex. If  
configured at full duplex, the signal can travel up to 2 km.  
8
 
C H A P T E R 1 Hardware Installation and Network Topology  
Straight-through vs. crossover cables  
Ports on the switch are wired MDI so you can use a straight-through  
cable when connecting to a Fast Ethernet repeating hub port, which is  
usually wired MDI-X. For direct connection to another MDI port  
(workstation, server, or another switch), you must use a crossover  
cable. The pinouts of MDI and MDI-X ports are shown below.  
Connector pinouts  
Switch or NIC RJ-45 (MDI)  
Hub RJ-45 (MDI-X)  
1
2
3
4
5
6
7
8
TX+  
1
2
3
4
5
6
7
8
RX+  
NOTE  
When making your own  
cables, wires 1 and 2  
must be a twisted pair  
and 3 and 6 must be a  
twisted pair.  
TX-  
RX-  
RX+  
TX+  
Unused  
Unused  
RX-  
Unused  
Unused  
TX-  
Unused  
Unused  
Unused  
Unused  
Determining which cable to use  
Different switch and repeater manufacturers implement their port  
configurations differently. The following guidelines are based on the  
Intel Express 100BASE-TX Switching Hub (switch), the Intel Express  
100BASE-TX Stackable Hub (repeater) and the EtherExpress™  
family of adapters (server or workstation). These apply to the majority  
of switches and hubs:  
For this connection  
Use this cable  
Switch to repeater  
Straight-through  
Crossover  
Switch to server or workstation  
Switch to switch  
Crossover  
Repeater to server or workstation  
Straight-through  
9
 
C H A P T E R  
1
Intel Express 100BASE-TX Switching Hub  
Typical Configurations  
Configuring the 100 Mbps workgroup  
environment  
In the 100 Mbps environment, workgroup clients should be connected  
to a 100 Mbps hub such as the Intel Express 100BASE-TX Stackable  
Hub. All hub stacks should be connected to the Express Switching  
Hub. By connecting the hubs to a switching environment, you can  
extend Fast Ethernet distance limitations.  
Dedicated 100 Mbps link  
to file server  
Port  
1
Port2  
Intel Express  
100BASE-TX Switching Hub  
Port  
3
Port  
4
Port  
5
Port  
6
Port  
7
Console Mgmt  
SNMP Pwr  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgm  
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Mgmt Fault  
MDI  
MDI  
MDI  
MDI  
MDI  
100BASE-TX  
Crossover cable  
Straight-through cable  
Straight-through cable  
Segment 1  
Segment 2  
Intel Express 100BASE-TX  
Stackable Hubs  
2
3
4
5
6
7
8
9
10  
11  
12  
2
3
4
5
6
7
8
9
10  
11  
12  
Media Adapter  
Media Adapter  
Intel Express  
Intel Express  
100BASE-T4 Stackable Hub  
100BASE-T4 Stackable Hub  
1
1
100 BASE-T4  
P
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Expansion Slot Stat  
Management Stat Mstr Enbl  
15  
25  
³30  
100 BASE-T4  
P
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5
10  
Expansion Slot Stat  
Management Stat Mstr Enbl  
15  
25  
³30  
1
Media Adapter  
Port Status  
1
Media Adapter  
Port Status  
1
2
3
4
5
6
7
8
9
10  
22  
11  
23  
12  
24  
1
2
3
4
5
6
7
8
9
10  
22  
11  
23  
12  
24  
13  
14  
15  
16  
17  
18  
19  
20  
21  
13  
14  
15  
16  
17  
18  
19  
20  
21  
Expansion Slot  
Expansion Slot  
2
3
4
5
6
7
8
9
10  
11  
12  
2
3
4
5
6
7
8
9
10  
11  
12  
Media Adapter  
Media Adapter  
Intel Express  
Intel Express  
100BASE-T4 Stackable Hub  
100BASE-T4 Stackable Hub  
1
1
100 BASE-T4  
P
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t
a
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P
S
C
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Data  
%
²1  
5
10  
Expansion Slot Stat  
Management Stat Mstr Enbl  
15  
25  
³30  
100 BASE-T4  
P
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S
t
a
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R
P
S
C
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Data  
%
²1  
5
10  
Expansion Slot Stat  
Management Stat Mstr Enbl  
15  
25  
³30  
1
Media Adapter  
Port Status  
1
Media Adapter  
Port Status  
1
2
3
4
5
6
7
8
9
10  
22  
11  
23  
12  
24  
1
2
3
4
5
6
7
8
9
10  
22  
11  
23  
12  
24  
13  
14  
15  
16  
17  
18  
19  
20  
21  
13  
14  
15  
16  
17  
18  
19  
20  
21  
Expansion Slot  
Expansion Slot  
Straight-through  
cables  
100 Mbps clients using  
Intel EtherExpress™ PRO/100 adapters  
100 Mbps clients using  
Intel EtherExpress PRO/100 adapters  
CAT5 UTP (100 meters max.)  
10  
 
C H A P T E R 1 Hardware Installation and Network Topology  
Configuring the Wide Area Network  
(WAN) environment  
Connections to the backbone are most effective using fiber optic  
cabling. This eliminates the 100 meter UTP restriction. Also, connect  
multiple switches directly to the backbone (not each other) and  
connect busy servers directly to the switch.  
Backbone  
Router, Bridge,  
To T1 line  
or Switch of  
Switches  
To 10 Mbps segment  
To dissimilar LANs  
Port  
1
Port 2  
Intel Express  
100BASE-TX Switching Hub  
Xmt FC/FD Mgm  
Rcv Clsn Link  
Port  
3
Port  
4
Port  
5
Port  
6
Port  
7
Console Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgm  
SNMP Pwr  
Mgmt Fault  
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MDI  
MDI  
MDI  
MDI  
MDI  
100BASE-TX  
2
3
4
5
6
7
8
9
10  
11  
12  
Media Adapter  
Intel Express  
100BASE-T4 Stackable Hub  
1
100 BASE-T4  
P
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R
P
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C
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Data  
%
²1  
5
10  
Expansion Slot Stat  
Management Stat Mstr Enbl  
15  
25  
³30  
1
Media Adapter  
Port Status  
1
2
3
4
5
6
7
8
9
10  
22  
11  
23  
12  
24  
13  
14  
15  
16  
17  
18  
19  
20  
21  
Expansion Slot  
2
3
4
5
6
7
8
9
10  
11  
12  
Media Adapter  
Intel Express  
100BASE-T4 Stackable Hub  
1
100 BASE-T4  
P
w
r
S
t
a
t
R
P
S
C
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Data  
%
²1  
5
10  
Expansion Slot Stat  
Management Stat Mstr Enbl  
15  
25  
³30  
1
Media Adapter  
Port Status  
1
2
3
4
5
6
7
8
9
10  
22  
11  
23  
12  
24  
13  
14  
15  
16  
17  
18  
19  
20  
21  
Port  
1
Port 2  
Intel Express  
100BASE-TX Switching Hub  
Expansion Slot  
Port  
3
Port  
4
Port  
5
Port  
6
Port  
7
Console Mgmt  
SNMP Pwr  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgm  
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Mgmt Fault  
MDI  
MDI  
MDI  
MDI  
MDI  
100BASE-TX  
Intel Express 100BASE-TX Stackable Hubs  
2
3
4
5
6
7
8
9
10  
11  
12  
Media Adapter  
Intel Express  
100BASE-T4 Stackable Hub  
1
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Management Stat Mstr Enbl  
15  
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³30  
1
Media Adapter  
Port Status  
1
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3
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22  
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24  
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Expansion Slot  
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11  
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Media Adapter  
Intel Express  
100BASE-T4 Stackable Hub  
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Expansion Slot Stat  
Management Stat Mstr Enbl  
15  
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³30  
1
Media Adapter  
Port Status  
1
2
3
4
5
6
7
8
9
10  
22  
11  
23  
12  
24  
13  
14  
15  
16  
17  
18  
19  
20  
21  
Expansion Slot  
High speed 100 Mbps  
servers  
CAT5 UTP (100 meters max.)  
Multimode fiber (412 meters max. at  
half duplex, 2 Km max. at full duplex)  
NOTES  
100BASE-FX Fiber optic media adapter optional (product code ESMODFX).  
You can also use CAT5 UTP to connect to a backbone router or bridge.  
Configure high-speed servers for full duplex to achieve 200 Mbps throughput.  
If a server isn’t accessed by more than one segment, move it to a hub on the  
segment.  
11  
 
C H A P T E R  
1
Intel Express 100BASE-TX Switching Hub  
Connecting to a 10 Mbps segment  
The Express Switching Hub is a 100 Mbps-only switch. You can’t  
connect a 10 Mbps device directly to the switch.  
The preferred way to connect the segments is by using a bridge,  
router, or a 100 Mbps uplink module for your 10 Mbps hub (there  
isn’t a 10 Mbps uplink module available for the Express switching  
hub). However, this is costly if you don’t already have the equipment.  
An inexpensive alternative is to connect the segments through a  
server.  
Server equipped with two  
adapters, one at 100  
Mbps and one at 10 Mbps  
Express 100BASE-TX  
Switching Hub  
10BASE-T repeating,  
sharing, or switching hub  
Port  
1
Port  
2
2
3
4
5
6
7
8
9
10  
11  
12  
Media Adapter  
Intel Express  
100BASE-TX Switching Hub  
Intel Express  
Xmt FC/FD Mgm  
Xmt FC/FD Mgm  
100BASE-T4 Stackable Hub  
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100 BASE-T4  
Port  
3
Port  
4
Port  
5
Port  
6
Port  
7
Console Mgmt  
SNMP Pwr  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgmt  
Xmt FC/FD Mgm  
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Mgmt Fault  
MDI  
MDI  
MDI  
MDI  
MDI  
Expansion Slot  
100BASE-TX  
PC-3439  
Straight-through cable connecting the  
server to the repeater  
Crossover cable connecting the  
server to the switching hub  
NOTE  
Windows NT* 3.51 doesn’t  
include the multi-protocol  
router software by default.  
You can download it from the  
Microsoft World Wide Web  
site.  
Several adapters on the market (such as the Intel EtherExpress PRO/  
100 adapter) operate at either 10 or 100 Mbps. By connecting the  
Express 100BASE-TX Switching Hub to one server adapter at 100  
Mbps and your 10BASE-T hub to a separate adapter at 10 Mbps in the  
same server, you can route traffic from the 10 Mbps segment to the  
100 Mbps segment through your Network Operating System (NOS).  
If your NOS doesn’t support multi-protocol routing (Windows 95  
peer-to-peer and Windows for Workgroups* don’t), you must use a  
Fast Ethernet switch or router that supports both 10 Mbps and 100  
Mbps.  
12  
 
C H A P T E R 1 Hardware Installation and Network Topology  
NOTE  
By default, flow control is  
enabled on all ports.  
Excessive flow control problems  
During times of peak network usage, you may occasionally see the  
FC/FD LED blink (for a description of the LED, see page 6). This is  
normal. However, if it stays lit for more than a few seconds at a time,  
or if there’s an excessive number of flow controls reported by the  
If you configure a port for full  
duplex, flow control is auto-  
matically disabled.  
network management software, it could indicate a problem with your  
network configuration.  
A port’s FC/FD LED indicator flashes whenever a packet is received  
that needs to be forwarded to a port that already has too many packets  
queued. This indicates a temporary overload situation on one port; the  
total traffic to the port exceeds the amount the buffer can hold. This  
typically occurs when there are several fast machines on different  
ports trying to access a machine across the switch. If this is  
infrequent, you don’t need to do anything. However, if this occurs  
often on the network, then the devices causing flow control to activate  
should be identified and moved to the same segment as the device that  
they are talking to.  
When Ethernet bandwidth is temporarily insufficient for the traffic,  
there are only three possible actions: drop packets, use flow control,  
or segment the network. Buffering packets only works for a very short  
while. An extended overload will eventually overflow buffers and  
cause dropped packets. Flow control stops transmission on a port and  
forces devices to resend packets, ensuring that packets aren’t lost.  
This is the most reasonable solution, since it relies on Ethernet’s  
inherent collision detection mechanism to relieve temporary overload.  
Repeater count limitations  
The switch doesn’t count as a repeater. Each port on the switch can  
support a full Fast Ethernet network. There can be one repeater/hub  
between the switch and any workstations or servers (a stack of Intel  
Express 100BASE-TX Hubs counts as a single hub). Also, the total  
diameter of a segment can’t exceed 200 meters when using UTP  
cable. That is, the distance between any two nodes on a segment (or  
the switch and a node on the other side of a hub) can’t exceed 200  
meters.  
13  
 
 
Configuring and  
2
Managing the Switch  
You don’t need to read this chapter unless you want to change the  
Express Switching Hub’s default configuration (see Appendix A for a  
list of defaults) or intend to manage the switch. The switch is ready to  
go simply by plugging it in and turning the power on.  
However, if you need to change the default configuration or manage  
the switch, there are two ways:  
Use SNMP-compliant management software (not included).  
However, you must first use the Console Manager to assign an IP  
address to the switch.  
Use the Express Switching Hub’s internal Console Manager.  
15  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
Accessing the Console  
Manager  
The Console Manager software is contained in the switch’s  
nonvolatile RAM (NVRAM); you don’t need to install any software.  
To access the Console Manager:  
1
Use the null-modem cable (included with the switch) to connect a  
workstation’s COM port to the Console Mgmt port on the switch.  
Console Mgmt  
PC-3442  
2
3
Open a terminal emulation program (such as Windows Terminal).  
Select the COM port and these communication parameters:  
9600 baud, eight data bits, no parity, one stop bit  
In Windows Terminal, choose Communications from the Setting  
menu.  
4
Press E. The login prompt appears:  
Login:  
password:  
By default, no login name or password is assigned. The password  
you enter becomes active only after you reset the switch or turn  
off the power. If you want the password to take effect  
immediately, use the set-passwd command.  
Accessing the Console Manager remotely  
To access remotely through Telnet, you must first set the IP  
configuration of the switch using the set-ip-conf command (see  
page 32 for instructions). You can then use Telnet to reach the switch.  
In a remote session, all commands work exactly as if a terminal were  
directly connected to the Console Mgmt port. Note that only one  
console session can be active at a time. After the first Telnet session is  
established, the switch refuses other Telnet connections until the  
current session is closed. To terminate an active Telnet session, press  
E three times from the serial interface.  
16  
 
C H A P T E R 2  
Configuring and Managing the Switch  
Using the Console Manager  
The Console Manager provides an out-of-band (not on the network)  
connection to the switch. Use the Console Manager to  
assign an IP configuration to the switch.  
configure the ports.  
monitor network performance.  
create VLANs.  
Entering commands  
To enter commands, type the command name followed by any  
parameters and press E. For example, typing sys-stat E  
at the command prompt displays basic system status information.  
Items in angle brackets represent values. For example, <IPaddress>  
represents an IP address in dotted decimal notation (such as  
123.1.1.7).  
Items in { } and separated by | represent alternatives for an  
argument. For example,  
get-comm {read|write|*}  
means you can type one of the following  
get-comm read  
get-comm write  
get-comm *  
If you enter a command incorrectly, a message indicates 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  
17  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
Commands sometimes have parameters that determine how they’re  
saved and when they’re implemented. Some are changed in  
the running database so that the new value is used immediately  
(the runoption).  
the NVRAM so that the changes are saved and occur only in the  
next session (the nvramoption).  
both the running and the NVRAM databases (the alloption).  
To get an explanation of a command’s parameters, add a question  
mark (?) after the command name:  
SYS_console> set-lt-age ?  
set-lt-age  
sets the LT aging period  
[arg #0] database type - either {run|nvram|all}  
[arg #1] aging time in seconds  
The Console Manager provides a history of the last several  
commands. To obtain the last command in the command history,  
press ! or  
cP at the prompt.  
To correct a command line, use the following special keys (see the  
help-kbd command):  
! or cP  
cW  
- for the previous command  
- to delete the previous word  
- to delete the entire line  
cU  
When you type a command that results in more than one screen of  
text appearing, you can press Q to stop the process or any other key  
to continue to the next screen.  
Finally, you can press T to see the list of commands that start  
with the text already typed. For example:  
SYS_console> get-c T  
Commands matching <get-c>  
---------------------------------------------------  
get-comm  
get-con-matrix displays the VLAN connectivity matrix  
get-colls-cnt gets the collision distribution counters per port  
show current read or/and write community  
18  
 
C H A P T E R 2  
Configuring and Managing the Switch  
Console Manager command groups  
The Console Manager has several categories of commands:  
Console commands: help, banner, serial line setup, console  
parameters setup.  
System commands: system status, reset commands, download  
commands, and system debug commands.  
IP commands: IP address setup, parameter and information  
display.  
SNMP agent commands: SNMP settings, management, and trap  
options.  
Switching database commands: aging time management and  
switching database entry management.  
Spanning tree commands: disabling or manually configuring the  
spanning tree protocol.  
VLAN commands: management of security virtual LANs.  
Port configuration commands: duplex and other port settings.  
Switching statistics commands: traffic and packet counters.  
The following sections explain some of the more commonly used  
commands for configuring ports and monitoring traffic statistics.  
Configuring a port for full duplex  
Commands used  
set-port-dplex Sets the duplex mode on the specified port.  
get-port-cfg  
Displays the current port configurations.  
Configuring a port for full duplex allows the switch to send and  
receive packets simultaneously with the destination device. To  
establish a full-duplex link, both the switch and the destination device  
must be configured for full duplex.  
NOTE  
Setting a port to full duplex  
automatically disables flow  
control. Since collisions don’t  
happen on a full-duplex link,  
flow control isn’t needed.  
Additionally, the link must be to a switch, workstation, or server. You  
cannot establish a full-duplex link to a device that broadcasts  
incoming packets to every port on the device. This excludes most  
shared hubs, repeaters, or concentrators.  
19  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
NOTE  
To configure a port for full duplex  
You must have a point-to-  
point connection to establish  
a full-duplex connection  
(shared hubs/repeaters/  
concentrators aren’t capable  
of full duplex). Additionally,  
both points of the connection  
must be configured for full  
duplex.  
1
Configure the adapter or switch port on the other end for full  
duplex.  
2
Set the Express Switching Hub port to full duplex. This example  
sets port 3 to full duplex:  
set-port-dplex 3 full  
3
Check the FC/FD LED. It should be solid yellow, indicating full  
duplex.  
Configuring the SNMP agent for IP  
Commands used  
set-ip-conf  
ping  
Sets IP address, netmask, and broadcast address.  
Contacts another IP device.  
The switch can be monitored and controlled through any SNMP-  
compliant network management system (NMS). First, you must  
configure the SNMP agent by assigning an IP address.  
To configure the SNMP agent  
1
Set the IP configuration. Type the command:  
set-ip-conf 192.1.1.64 255.255.255.0 192.1.1.255  
If the switch doesn’t have an IP address, then the specified IP  
configuration is changed immediately and saved in NVRAM.  
If the switch is already configured, the command changes only the  
NVRAM. To use the new parameters, reset the switch using the  
warm-resetcommand.  
2
Test the installation. Type the command:  
SYS_console> ping 192.1.1.1 2  
This example tests connectivity from the switch to a workstation  
with an IP address of 192.1.1.1. For more information on the ping  
command, see page 33.  
3
4
Download the MIB from Intel’s Customer Support World Wide  
file SWCH1MIB.EXE.  
Compile the MIB into your NMS. See your NMS documentation  
for more information.  
20  
 
C H A P T E R 2  
Configuring and Managing the Switch  
Monitoring traffic  
Commands used  
get-br-cnt  
Displays the packet statistics for a port. For a  
complete description, see page 52.  
get-eth-cnt  
Displays the Ethernet counters for a port.  
get-colls-cnt  
Displays the collision distribution counters for a  
port.  
get-rmon-cnt  
get-sdist-cnt  
Displays the Ethernet RMON counters for a port.  
Displays the packet size distribution counters for a  
port.  
get-mgm-brcnt  
clr-cnt  
Displays the statistics for the management port.  
Resets the Ethernet and bridging statistics.  
Use monitoring commands to determine the traffic volume from  
specific ports or between ports. This allows you to determine the  
traffic patterns of your network and adjust your network topology for  
maximum efficiency.  
Statistics are generated for the current session. Reset counters by  
using the clr-cnt command, resetting the switch, or cycling the  
power.  
In general, keep devices that primarily talk to each other on the same  
segment (remember, each port is a Fast Ethernet segment). For  
example, if a high volume of traffic is forwarded from port 4 to port  
3, determine which devices are generating traffic and move them to  
the same segment. This often happens when users are accessing a  
server on a separate segment. A change may not be efficient,  
however, if users from several segments all access the same server  
frequently.  
To check traffic on a port  
1
2
Determine the port you want to check.  
Type the command:  
SYS_console> get-br-cnt 3  
Ethernet Switching Counters for port 3  
====================================================  
Frm  
Received OK :  
1419681  
Bytes Received  
: 842637991  
Frm Filtered  
:
0
21  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
Frm to all ports :  
0
16017  
0
Frm multicast  
Frm lost/fctrl  
Transmit OK  
:
:
:
:
1404387  
Forward to port  
FRAMES  
BYTES  
-----------------------------------------------------  
1
2
3
4
5
6
7
:
:
:
:
:
:
:
0
0
0
0
60  
218103808  
1419823  
842711315  
0
0
0
0
0
0
====================================================  
In this example, a station on port 3 is accessing a server on port 4. To  
reduce the amount of traffic crossing the switch, the server should be  
connected to a hub on port 3 instead of a hub on port 4. This keeps  
traffic localized to the same Fast Ethernet segment.  
Creating VLANs  
Commands used  
set-vbc-domain Sets up a Virtual Broadcast Domain (VBD).  
del-vbc-domain Deletes a VBD.  
get-vbc-tbl  
set-sec-vlan  
del-sec-vlan  
get-svlan-tbl  
Displays the VBD table.  
Sets up a security VLAN.  
Deletes a security VLAN.  
Displays the security VLAN table.  
There are two types of VLANs:  
Security VLANs (SVLANs). Ports in an SVLAN can exchange  
packets only with other ports in the same SVLAN.  
VBDs: Ports in a virtual broadcast domain can exchange packets  
only with other ports in the same VBD. However, they can see  
broadcast frames from other ports in the same VBD.  
Use only one type. Configuring both types in the same switch can  
lead to unpredictable traffic patterns.  
If you want a device to talk to multiple VLANs (for example, a  
management workstation), apply a custom filter to the device. See  
page 24 for instructions.  
22  
 
C H A P T E R 2  
Configuring and Managing the Switch  
To create an SVLAN  
1
2
Determine the ports you want to group together.  
Type the command:  
set-sec-vlan all 3-4-5  
This command groups port 3, 4, and 5 as an SVLAN immediately  
and saves the entry in NVRAM. Replace all with nvramto save  
the entry without changing it immediately or with runto change  
the entry now without saving it.  
3
To display a summary of saved SVLANs, type  
get-svlan-tbl nvram  
Any SVLANs created with the nvramor alloption are  
displayed.  
To create a VBD  
1
2
Determine the ports you want to group together.  
Type the command:  
set-vbc-domain run 3-5-6-7  
This command groups port 3, 5, 6, and 7 as a VBD temporarily  
(only until the next reset or power down). To save the entry and  
have it take effect now, replace runwith all.  
3
To display a summary of saved VBDs, type  
get-vbc-tbl nvram  
23  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
Configuring the spanning tree  
Commands used  
get-stp  
set-stp  
Displays the spanning tree session state.  
Enables or disables the spanning tree for the next  
session.  
get-st-bcfg  
get-st-pcfg  
Displays the spanning tree bridge parameters.  
Displays the spanning tree port parameters table.  
get-st-syscfg Displays the spanning tree system ports  
configuration.  
set-br-prio  
Sets the spanning tree bridge priority.  
set-br-maxage Sets the spanning tree bridge maximum age.  
set-br-hellot Sets the spanning tree bridge hello time.  
set-br-fwdel  
set-prt-prio  
set-prt-enb  
Sets the spanning tree bridge forward delay.  
Sets the spanning tree port priority.  
Enables or disables a port spanning tree.  
set-prt-pcost Sets the spanning tree port path cost.  
Spanning tree is a protocol that determines which port is turned off in  
a redundant configuration. Spanning tree is enabled anytime a packet  
could potentially be caught in an infinite loop on the network (for  
example, when two switches are connected to each other and also to  
the same bridge). The protocol uses the port with the lowest-cost path  
and turns off the other port. If one path fails, the other path is  
automatically turned on.  
Spanning tree is enabled by default. See the “Spanning tree  
commands” section later in this chapter for more information.  
Creating custom filters  
Commands used  
add-cf-entry  
del-cf-entry  
get-lt-filter  
get-nv-cftbl  
Adds a custom filter entry.  
Deletes a custom filter entry.  
Displays the filter for a given MAC address.  
Displays all configured custom filters.  
24  
 
C H A P T E R 2  
Configuring and Managing the Switch  
Use custom filters to control where the switch forwards packets from  
a given MAC address. Custom filters override VLANs. This is useful  
when you want a device to talk to devices outside of its VLAN.  
Filters are defined for a set of ports. For example, you can set a  
custom filter that tells the switch to forward packets received on ports  
3 and 4 to ports 6 and 7.  
To set a custom filter  
1
2
3
4
5
Determine the MAC address of the device you’re applying the  
filter to.  
Determine the switch ports where the device’s packets will arrive.  
These are the source ports.  
NOTE  
Source ports start with port 1.  
Destination ports start with  
port 0, which is the internal  
SNMP management port.  
Determine the switch ports where the device’s packets will be  
forwarded. These are the destination ports.  
Use the Custom Filter Port Tables in Appendix A to find the  
source and destination port hexadecimal equivalents.  
Type the command:  
add-cf-entry perm 00-A0-C9-11-11-11 C C0  
This custom filter would send packets from the device with MAC  
address 00-A0-00-11-11-11 arriving on ports 3 or 4 (hexadecimal  
C) to both ports 6 and 7 (hexadecimal C0).  
Console Command Reference  
The console commands configure the Console Manager parameters  
and interface.  
Type ?at the Console Manager prompt to display a list of available  
command topics and a short explanation of each. Type a name from  
this list to display the commands under that topic.  
25  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
SYS_console> ?  
Commands groups are:  
---------------------------------------------------  
console  
system  
ip  
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  
------------------------------------------------------------  
use ! for prev. cmd, ^U to clr line, ^W to clr previous word  
------------------------------------------------------------  
When you find the command you need from one of these categories,  
type the command followed by ?for a description of command  
syntax.  
help-kbd  
Lists the console function keys.  
SYS_console> help-kbd  
? or TAB - for a list of the categories  
! or ^P - for previous command  
TAB  
- for command completion  
^U  
- to clear the line  
^W  
- to clear the previous word  
banner  
Displays the Express Switching Hub Console Manager logo.  
clear  
Clears the screen and displays the command prompt.  
login  
Exits the Console Manager, but does not disconnect a Telnet session.  
Use this command to password protect the console terminal while a  
Telnet session is running.  
26  
 
C H A P T E R 2  
Configuring and Managing the Switch  
logout  
Ends the local Console Manager session and any Telnet session and  
displays the login prompt for a new session.  
set-prompt  
set-prompt <new_prompt>  
Sets the command-line prompt for the Console Manager to a more  
meaningful prompt, such as the location of the switch or the name of  
a workgroup. The default prompt is SYS_console>.  
SYS_console> set-prompt R&D_grp>  
CLI prompt change in the NVRAM OK  
R&D_grp>  
set-passwd  
Changes the console password. The system first prompts you for the  
old password. You can then type a new password and type it again for  
verification. Passwords are never shown onscreen.  
SYS_console> set-passwd  
Enter old password:  
Enter new password:  
Enter new password again:  
CLI running password changed  
CLI password change in NVRAM OK  
Password changed!  
If you enter the old password incorrectly or fail to verify the new  
password correctly, the password isn’t changed.  
System commands  
The system commands allow you to display and set system-related  
parameters.  
27  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
sys-stat  
Displays general status information about the switch and its SNMP  
agent hardware and software:  
SYS_console>sys-stat  
Intel Express Switching Hub  
SNMP Agent Software - Version V2.2 Nov 7 1995 15:01:09  
SNMP Object ID is : < .1.3.6.1.4.1.629.1.1.3 >  
System MAC Address : 00-A0-C9-00-20-D9  
Total uptime(hundredths of seconds ): 111151888  
Total uptime(days, hh:mm:ss format): 12 days, 20:45:18.88  
i/f 1 -- description [ Port 1 - missing ] —- status [DOWN]  
i/f 2 -- description [ Port 2 - missing ] —- status [DOWN]  
i/f 3 -- description [ Port 3 - 100 BaseTX Ethernet Port] -- status [up]  
i/f 4 -- description [ Port 4 - 100 BaseTX Ethernet Port] -- status [up]  
i/f 5 -- description [ Port 5 - 100 BaseTX Ethernet Port] -- status [up]  
i/f 6 -- description [ Port 6 - 100 BaseTX Ethernet Port] -- status [up]  
i/f 7 -- description [ Port 7 - 100 BaseTX Ethernet Port] -- status [up]  
The screen displays the following information:  
SNMP agent software version and release date.  
Device SNMP object ID  
Device MAC address.  
System uptime (in 1/100 of a second) and in days, hours, minutes,  
and seconds.  
Port description and status. Ports 1 and 2 appear as missing unless  
you have optional media adapters installed.  
warm-reset  
Resets the SNMP agent software without resetting the switch (it  
doesn’t disconnect existing connections). The switch configuration is  
loaded from the values saved in NVRAM. The statistics counters are  
also reset by this command.  
cold-reset  
Performs a cold reset, which is equivalent to turning the power off  
and on again. Existing connections are also lost.  
28  
 
C H A P T E R 2  
Configuring and Managing the Switch  
get-last-err  
Displays the most recent system failure, if any, 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>  
init-nvram  
Resets the NVRAM on the SNMP agent to default values. Changes  
don’t take effect until you use the warm-resetor cold-reset  
commands or cycle the power. Default values are listed in Appendix  
A.  
set-line-slip  
set-line-slip {9600|19200|38400}  
Changes the console serial port to SLIP mode for out-of-band SNMP  
management. The argument to the command is the new baud rate for  
the interface. SLIP can be used with a terminal server but not with a  
modem. The SLIP interface can be configured using the  
set-slip-conf console command. The serial port can be returned to  
console mode by pressing E three consecutive times from a  
terminal.  
set-sw-file  
set-sw-file <filename>  
Sets the name of the file downloaded by TFTP (trivial file transfer  
protocol). This command is used in case of an update to the switch’s  
firmware. The file name must match the name of the agent software  
file on a TFTP server. When TFTP is used, the per-packet  
retransmission time-out value on the server (not the switch) must be  
increased to 10 seconds, since the SNMP agent must first erase its  
flash EEPROM, which takes about 30 seconds.  
29  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
set-par-file  
set-par-file <filename>  
Sets the name of the SNMP agent parameter file downloaded by boot  
PROM (BOOTP). This filename must match the name of the  
parameter file on the BOOTP server. The format of the parameter file  
is:  
<switch_hardware_address> : <read_comm> : <write_comm>  
Example:  
00-A0-C9-00-01-23 : public : private  
set-fg-param  
set-fg-param <dest> <source> <fill_byte> <length>  
Sets the frame generator parameters. The dest and sourceare dash-  
separated hardware addresses in hex. The fill_byte is a single byte  
used to fill the entire packet except for the first 12 bytes. The length  
is the total length of the packet excluding CRC.  
start-fg  
start-fg <dport-bitmask> <count> <rate>  
Starts frame generation. dport-bitmaskis a hex bitmask of which  
ports to generate traffic on. For example, a dport-bitmaskof 3E  
sends frames to ports 2, 3, 4, 5, 6. Use the source port list on page 68  
for hexadecimal bitmask equivalents. The count specifies the number  
of frames to send on each port. A count of 0 sends packets until you  
type the stop-fg command. The rate specifies the number of packets  
per second to generate.  
stop-fg  
Stops the frame generator.  
IP commands  
This section lists the IP commands available from the command line  
interface. In the sections that follow, IP Configuration lists general  
configuration commands, Ping lists commands that describe the ping  
ability of the agent, and Address Resolution Protocol lists ARP  
commands.  
30  
 
C H A P T E R 2  
Configuring and Managing the Switch  
IP Configuration  
get-ip  
Shows the switch’s current IP address:  
SYS_console> get-ip  
The device IP address is: 129.001.001.064  
SYS_console> _  
If the switch doesn’t have an IP address assigned:  
SYS_console> get-ip  
The device has no IP address defined.  
get-ip-conf  
Shows the complete current IP configuration: IP address, netmask  
(subnet mask), and broadcast address.  
SYS_console> get-ip-conf  
The device has no IP Address defined  
SYS_console> get-ip-conf  
The device IP address, netmask and broadcast are:  
IP address  
IP netmask  
: 129.001.001.064  
: 255.255.000.000  
IP broadcast : 129.001.001.000  
set-ip  
NOTE  
If the IP configuration is not  
specified, the agent will not  
respond to any in-band re-  
quests, including ping mes-  
sages and network  
set-ip <IPaddress>  
Sets the IP address of the switch (technically, the switch’s SNMP  
agent). If no IP address was previously set (which is the default  
configuration), the new value is used immediately and saved in  
NVRAM. Otherwise, the new value is stored in NVRAM, but you  
must use the warm-reset command or cycle the power for changes to  
take effect.  
management applications.  
Example:  
set-ip 129.001.001.064  
Device IP Address unchanged for this session  
Device IP Address change in the NVRAM OK  
The device NVRAM IP address will be:  
IP address  
: 129.001.001.064  
31  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
NOTE  
set-ip-conf  
If you change the class of the  
IP address, make sure you  
also change the netmask. If  
you don’t, the switch will  
ignore the IP address change.  
Check for the appropriate  
netmask when you change the  
IP address.  
set-ip-conf <IPaddress> <netmask> <broadcast>  
Sets IP address, netmask (subnet mask) and broadcast IP address. If  
no IP configuration was previously set (which is the default  
configuration), the new values are used immediately and saved in  
NVRAM. If a previous IP configuration was being used, the new  
configuration is saved in NVRAM for the next session. To use the  
new values immediately, use the warm-reset command or cycle the  
power.  
SYS_console> set-ip-conf 129.1.1.64 255.255.0.0 129.1.1.0  
Device IP Address set for this session  
Device IP Address change in the NVRAM OK  
The device IP configuration in the next session will be:  
IP address  
IP netmask  
: 129.001.001.064  
: 255.255.000.000  
IP broadcast : 129.001.001.000  
get-bootp  
Displays the current state of the BOOTP process. By default, BOOTP  
is disabled.  
set-bootp  
set-bootp {enable|disable}  
Enables or disables BOOTP. With BOOTP, the switch looks for a  
BOOTP server at startup if no IP configuration is defined.  
get-slip  
Displays the current SLIP address. By default, no SLIP address is  
assigned.  
get-slip-conf  
Displays the current SLIP configuration.  
set-slip  
set-slip <IPaddress>  
Sets the SLIP address, which cannot be the same as the IP address.  
set-slip-conf  
set-slip-conf <IPaddress> <netmask> <broadcast>  
32  
 
C H A P T E R 2  
Configuring and Managing the Switch  
Sets the SLIP configuration. The arguments are the same as  
set-ip-conf earlier on this page.  
get-gatew  
Shows the default gateway. This is the default router to use when  
accessing a different IP network.  
set-gatew  
set-gatew <IPaddress>  
Sets the default gateway IP address, which specifies the router used to  
access a different IP network. The default value for this setting is  
0.0.0.0 (no gateway).  
SYS_console> set-gatew 129.1.1.1  
Device Default Gateway change in the NVRAM OK  
Device Default Gateway changed to : 129.1.1.1  
SYS_console> get-gatew  
Device default gateway address is: 129.001.001.001  
get-def-ttl  
Returns the default IP time to live (TTL) value. This value (from 1 to  
255) is the number of routers a frame can go through before being  
dropped. The default is 10.  
set-def-ttl  
set-def-ttl <number>  
Modifies the default TTL value, from 1 to 255 router hops allowed.  
Ping commands  
The ping command sends an Internet Control Message Protocol  
(ICMP) echo request packet to a station. The ping process is  
asynchronous, so any responses are mixed in with other system  
console messages. For this reason, it’s best to avoid typing other  
commands (except ping-stop, which cancels the ping) while the ping  
process is active.  
ping  
ping <IPaddress> {<number>|0}  
33  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
Ping a device (at IP address) numberof times or 0for endless ping.  
The ping process sends a numberof datagrams, one per second. One  
line of output appears for every response received. Normal response  
time is 1 to 10 seconds.  
The ping command is intended for testing the connectivity between  
the switch and an IP station. It is not intended as a traffic generator, so  
it’s best to avoid using an endless ping. To stop the ping, use cC  
or enter the ping-stop command.  
SYS_console> ping 129.1.1.1 10  
129.001.001.001 Alive. echo reply: id 297, seq 4, echo-data-len 8  
PING process stopped - press <CR> for prompt  
— press <CR> to get the prompt again  
If the host doesn’t respond, the console prompt appears and no output  
is added. Failure to get an echo response from a host may be due to  
the following:  
A bad physical connection.  
A nonexistent or inactive host.  
network unreachable: no corresponding entry in the routing table.  
destination unreachable: the default gateway failed to route the  
datagram.  
outdated Address Resolution Protocol (ARP) table information:  
clear the ARP table with the del-arp-entrycommand.  
If there’s an active ping process due to a previous “long” ping  
command and you try to start a new ping, the command fails.  
ping-stop  
Stops the active ping process. You can also use cC.  
Address Resolution Protocol (ARP) Commands  
get-arp-tbl  
Shows the ARP table. This table shows the port and MAC address for  
each IP address in the table.  
SYS_console> get-arp-tbl  
IfIndex  
IpAddress  
MAC Address  
====================================================  
1
1
129.001.001.001  
129.001.001.200  
00-40-05-2D-73-9C  
00-02-A0-D4-9A-57  
34  
 
C H A P T E R 2  
Configuring and Managing the Switch  
add-arp-entry  
add-arp-entry <IPaddress> <mac_address> <port>  
Adds an entry to the ARP table manually.  
del-arp-entry  
del-arp-entry {<IPaddress>|*}  
Deletes entries from the ARP table. If you enter an IP address, the  
matching ARP entry is deleted. If you enter *, the entire ARP table is  
cleared. Use this command if the network topology has physically  
changed. For example, if a management station moves from one  
segment to another, its port number changes.  
SNMP commands  
This section lists commands for configuring the SNMP agent itself,  
access and trap configuration.  
SNMP community strings  
SNMP community strings authenticate access to the Management  
Information Base (MIB). 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 type of access:  
read mode gives read access to all the objects in the MIB, but  
doesn’t allow write access.  
write mode gives read and write access to all objects in the MIB.  
get-comm  
get-comm {read|write|*}  
Displays the SNMP community string for a given access mode (read  
or write). If the access mode is specified as *, both read and write  
community strings are displayed.  
SYS_console> get-comm *  
Current read community is: < public >  
Current write community is: < private >  
35  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
set-comm  
set-comm {read|write} <community-string>  
Specifies 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 >  
SNMP trap message commands  
When the switch detects an irregular event, it generates a trap. A trap  
is a notification message that can be sent to predefined network  
management stations. A trap event can be a cold or warm reset,  
detection of a port link status change, an SNMP authentication failure  
due to an incorrect community string, or similar event.  
The SNMP trap commands let you specify  
whether the Express Switching Hub issues an authentication trap.  
which NMSs (up to five) the SNMP agent sends traps to.  
get-auth  
Displays the authentication trap setting. By default, authentication  
trap messages are enabled.  
set-auth  
set-auth {on|off}  
Changes the authentication trap setting. The default is on, meaning  
the switch generates authentication traps. Specifying off prevents the  
switch from sending authentication traps.  
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  
----------------------------------------------  
192.168.001.065 ————— testing  
----------------------------------------------  
COMMUNITY  
36  
 
C H A P T E R 2  
Configuring and Managing the Switch  
add-trap  
add-trap <IPaddress> <trap-community>  
Enters the IP address of the receiving station and the trap community  
string that appears in the trap message. The trap table can contain up  
to five receiving stations  
SYS_console> add-trap 129.1.1.76 rnd  
Entry 129.1.1.76 - rnd added  
SNMP TRAP TABLE  
===============  
IPADDR  
COMMUNITY  
-----------------------------------------------  
129.001.001.065  
129.001.001.007  
129.001.001.076  
-----------  
-----------  
-----------  
public  
trapcomm  
rnd  
-----------------------------------------------  
del-trap  
del-trap <IPaddress>  
Removes a station from the trap table.  
SYS_console> del-trap 129.1.1.7  
Entry 129.1.1.7 - trap comm deleted  
Switching database commands  
This section contains instructions for managing the switching  
database with the Console Manager.  
The switching database, also called a learn table or address table,  
consists of 1024 entries. Each active entry contains the information  
relevant to a network node, identified by its Ethernet MAC address.  
Each entry contains the following information:  
Lock. If on (denoted as a +), the entry is a static entry and isn’t  
deleted by the switch aging process. If off (denoted as a -), the entry is  
a dynamic entry that’s automatically deleted if the workstation is not  
active during the aging time period.  
37  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
Self(not user configurable). If on (denoted as a +), the entry is a  
system address. These 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 network.  
Dport. The destination port where frames from the entry are  
forwarded. If the MAC address is a custom filter, this doesn’t apply.  
Mgmt. If on (denoted as a +), frames from the entry are sent to the  
management port on the switch.  
The first section, “Virtual addresses,” lists commands relevant to  
standard MAC addresses (for example, determining the behavior of  
the switch when it sees a particular address). The second section,  
“Custom filtering,” lists commands pertinent to the custom filtering  
capabilities of the switch.  
Virtual addresses  
get-lt-entry  
get-lt-entry <index>  
Displays the entry at index in the switching database. The index range  
is 1 to 1024.  
SYS_console>get-lt-entry 19  
Entry  
==============================================================  
19 00-20-C5-00-59-E6  
—— MAC Address ——  
LOCK  
SELF  
DPORT  
MGMT  
-
-
5
-
The entry has these properties:  
The entry number is 19.  
The MAC address is 00-20-C5-00-59-E6.  
The entry is dynamic and will be aged out (lock is off).  
It’s not a system address (self is off).  
Frames are forwarded to port 5 only.  
Frames are not forwarded to the management port (mgmt is off).  
38  
 
C H A P T E R 2  
Configuring and Managing the Switch  
get-lt-16  
get-lt-16 {<index>|*}  
Displays 16 switching database entries starting at index (or * to  
continue from the last displayed index).  
SYS_console>get-lt-16 10  
Entry —— MAC Address —— LOCK  
SELF  
DPORT  
MGMT  
==============================================================  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
00-20-1A-20-20-D9  
00-20-1A-24-20-D9  
00-20-1A-28-20-D9  
00-20-1A-2C-20-D9  
00-20-1A-30-20-D9  
00-20-1A-34-20-D9  
00-20-1A-38-20-D9  
FF-FF-FF-FF-FF-FF  
00-40-05-2D-9D-49  
00-20-C5-00-59-E6  
00-00-92-94-01-54  
00-C0-1D-01-06-20  
00-40-05-2B-0A-26  
00-40-05-29-1E-DE  
00-40-05-2B-17-37  
08-00-20-76-72-89  
+
+
+
+
+
+
+
+
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
-
-
-
-
-
-
-
-
-
-CUSTOM FILTER-  
-CUSTOM FILTER-  
-CUSTOM FILTER-  
-CUSTOM FILTER-  
-CUSTOM FILTER-  
-CUSTOM FILTER-  
-CUSTOM FILTER-  
-CUSTOM FILTER-  
NOTE  
In the example, entries 10-17  
are system entries and can’t  
be deleted or modified.  
Entries 18 and up are self-  
learned MAC addresses, as  
indicated by lock = OFF (-)  
and by self = OFF (-).  
3
4
1
1
5
7
4
2
-
-
-
-
-
-
-
-
SYS_console>get-lt-16 *  
Entry —— MAC Address —— LOCK  
SELF  
DPORT  
MGMT  
==============================================================  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
00-40-05-11-06-AD  
00-40-05-2B-59-EA  
00-40-05-2D-99-3A  
00-40-05-16-80-7C  
00-00-C0-60-A7-B9  
00-40-05-1A-A1-69  
00-40-05-29-1E-EB  
00-40-05-2E-DF-15  
00-40-05-28-B4-1A  
00-40-05-2F-93-A7  
00-40-33-32-A6-58  
00-40-05-15-70-5E  
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2
3
7
5
5
5
6
5
7
4
6
5
-
-
-
-
-
-
-
-
-
-
-
-
38  
39  
40  
41  
00-40-05-1A-A1-5F  
00-40-05-28-B7-2A  
00-40-05-2B-16-3D  
00-40-05-15-B6-83  
-
-
-
-
-
-
-
-
1
5
2
4
-
-
-
-
39  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
find-lt-addr  
find-lt-addr <mac_address>  
Searches for a MAC address in the switching database and displays its  
description, if found:  
SYS_console>find-lt-addr 00-40-05-2B-16-3D  
Entry ---- MAC Address ---- LOCK  
==============================================================  
40 00-40-05-2B-16-3D  
SELF  
DPORT  
MGMT  
-
-
3
-
del-lt-entry  
del-lt-entry <index>  
Deletes the specified switching database entry, using the entry number  
from the get-lt-16command. If that entry number is not active,  
the command has no effect. Entries with the self field set (system  
addresses) cannot be deleted.  
The del-lt-entry command is very powerful, allowing you to  
change the entire switching database with the exception of the system  
MAC addresses. Use it with caution.  
SYS_console> del-lt-entry 15  
Deleting entry at index - 15 - OK  
del-lt-addr  
del-lt-addr <mac_address>  
Deletes the switching database entry that matches the specified MAC  
address.  
SYS_console> del-lt-addr 00-40-05-2b-59-4c  
Deleting entry with MAC address - 00-40-05-2b-59-4c OK  
The command fails if the MAC address isn’t found in the switching  
database.  
40  
 
C H A P T E R 2  
Configuring and Managing the Switch  
add-lt-entry  
add-lt-entry <mac_address> {lock-off|lock-on} <dport>  
Add an entry to the switching database. The lock setting is described  
at the beginning of this section. dport is the destination port number.  
add-lt-entry 00-A0-C9-00-11-11 lock-off 3  
This command sends packets from the device with MAC address  
00-A0-C9-00-11-11 to port 3. lock-off means the entry is deleted if  
the device is inactive for 300 seconds (the default aging time).  
get-lt-age  
Displays the switching database aging time in seconds. This is the  
amount of time the switch stores a device’s MAC address before  
clearing it from the database. An entry whose MAC address doesn’t  
appear in the source field of an incoming packet for this period of  
time is discarded. The default is 300 seconds.  
SYS_console> get-lt-age  
The running aging time is: 300 seconds  
set-lt-age  
set-lt-age {run|nvram|all} <aging_time>  
Modifies the switching database aging time.  
The aging_timeis in seconds with a default of 300 seconds and a  
range of 1 to 55,000 seconds. Lower the time if the number of active  
workstations is larger than 1024.  
SYS_console> set-lt-age run 280  
Aging Period update in the running database OK  
SYS_console> set-lt-age all 100  
Aging Period update in NVRAM OK  
Aging Period update in the running database OK  
41  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
Custom filtering  
Custom filters are useful for ensuring that a device can reach other  
devices regardless of where the device is attached. For example, if  
you have a laptop computer that acts as a management station, you  
want to make sure you can reach your servers from any part of your  
network, even if some segments have security VLAN restrictions.  
The custom filter entry for an address is shown onscreen as a matrix.  
The source (SRC) column lists the available source ports (1 through 7,  
where ports 1 and 2 may or may not be installed). The other columns  
each represent an available destination port. A + represents a  
forwarding path. In the example, each source port (except port 3,  
because ports don’t forward frames to themselves) forwards frames to  
port 3.  
SYS_console>get-lt-filter 00-40-05-2D-9D-49  
18 00-40-05-2D-9D-49 LOCK_OFF SELF_OFF — VIRTUAL LAN ——-  
SRC PORT to : MGMT P1 P2 P3 P4 P5 P6 P7  
==============================================  
1
2
3
4
5
6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
-
+
+
+
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
7
-
-
-
+
-
-
-
-
get-lt-filter  
get-lt-filter <mac_address>  
Displays the custom filter for the specified MAC address. See the  
example above.  
add-cf-entry  
add-cf-entry {lock-on|lock-off|perm} <mac_address> <sport> <dport>  
Adds a custom filter entry for the specified MAC address. lock-on  
indicates the entry won’t be aged out, but will be lost when the switch  
is reset. lock-off indicates the entry can be aged out normally. perm  
indicates the entry is written to NVRAM and restored on reset.  
42  
 
C H A P T E R 2  
Configuring and Managing the Switch  
sport is a hexadecimal representation of incoming ports, and dport is  
a hexadecimal bitmask of representation of outgoing ports. Because  
bitmasks are difficult to determine, a list of numbers for every  
combination of source and destination ports is listed in Appendix A.  
Packets arriving at the switch with the destination MAC address from  
any port specified in sport are transmitted to all ports specified in  
dport.  
SYS_console> add-cf-entry perm 00-AA-00-11-11-11 C C0  
Add CF LT entry OK  
CF Entry Update in NVRAM OK  
This custom filter sends packets with destination MAC address  
00-AA-00-11-11-11 from port 3 or 4 (hexadecimal C) to ports 6 and 7  
(hexadecimal C0).  
del-cf-entry  
del-cf-entry {run|nvram} <mac_address> <sport>  
Deletes the custom filter entry for address mac_address from source  
port sport. Ports are deleted one at a time by entering the port  
number. run indicates that the entry is deleted only from the current  
running table. nvram indicates that the entry should be removed from  
the NVRAM as well as the current running table.  
get-nv-cftbl  
This command displays the custom filter table stored in NVRAM.  
NVRAM CUSTOM FILTERS TABLE  
==============================  
Entry ---- MAC Address ----  
------------------------------  
1
00-00-00-11-11-11  
get-nv-cfilt  
get-nv-cfilt <mac_address>  
Displays the custom filter associated with mac_address from the  
custom filter table stored in NVRAM.  
43  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
VLAN commands  
Use VLANs to limit the broadcast domain and establish security  
virtual LANs. See the procedure on page 22 on creating VLANs.  
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 NVRAM is  
changed. Changes do not take effect until a reset.  
all indicates that both the currently running configuration and the  
NVRAM configuration is changed. Changes take effect  
immediately and are restored after a reset.  
get-con-matrix  
Displays the current connectivity matrix for the switch. The first  
column is the source port. The other columns are destinations where  
frames from a given source port can be forwarded. Unlearned  
addresses (addresses that aren’t in the switching database) are  
forwarded to all ports marked with a + in the source port’s row.  
Learned addresses are forwarded to their destinations only if the  
destination is marked with a + in the source port’s row. Ports don’t  
need to be forwarded to themselves.  
SYS_console> get-con-matrix  
VLAN CONNECTIVITY MATRIX  
==========================  
SRC PORT to : P1 P2 P3 P4 P5 P6 P7  
===========================================  
1
2
3
4
5
6
-
+
+
+
+
+
-
-
-
-
-
-
+
+
-
+
+
+
+
+
+
-
+
+
+
+
+
+
-
+
+
+
+
+
+
-
+
+
+
+
+
+
7
+
-
+
+
+
+
-
get-vbc-matrix  
Displays the current broadcast domain matrix for the switch. See the  
get-con-matrix command above for a description of the resulting  
table. Here, only the broadcast address is affected.  
44  
 
C H A P T E R 2  
Configuring and Managing the Switch  
VBC CONNECTIVITY MATRIX  
==========================  
SRC PORT to : P1 P2 P3 P4 P5 P6 P7  
===========================================  
1
2
3
4
5
6
-
+
+
+
+
+
-
-
-
-
-
-
+
+
-
+
+
+
+
+
+
-
+
+
+
+
+
+
-
+
+
+
+
+
+
-
+
+
+
+
+
+
7
+
-
+
+
+
+
-
set-vbc-domain  
set-vbc-domain {run|nvram|all} <port_list>  
Establishes a virtual broadcast domain (VBD). 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  
This creates a VBD of ports 2, 5, 6, and 7.  
del-vbc-domain  
del-vbc-domain {run|nvram} <domain_id>  
Deletes a virtual broadcast domain. Use the get-vbc-tbl command to  
see a list of domain ID numbers.  
get-vbc-tbl  
get-vbc-tbl {run|nvram}  
Displays the list of defined virtual broadcast domains.  
SYS_console> get-vbc-tbl run  
RUNTIME  
VIRTUAL BROADCAST DOMAIN TABLE  
===========================================  
VBC ID  
P1 P2 P3 P4 P5 P6 P7  
======================================  
1:  
-
-
-
+
+
+
-
set-sec-vlan  
set-sec-vlan {run|nvram|all} <port_list>  
Establishes a Security Virtual LAN (SVLAN). Arguments are  
identical to set-vbc-domain. Ports in an SVLAN can exchange data  
only with other ports in the same SVLAN.  
45  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
del-sec-vlan  
del-sec-vlan {run|nvram} <lan_id>  
Deletes the SVLAN specified by lan_id. use the get-svlan-tbl  
command to see these ID numbers.  
get-svlan-tbl  
get-svlan-tbl {run|nvram}  
Shows the table of defined SVLANs.  
SYS_console> get-svlan-tbl run  
RUNTIME  
SECURITY VIRTUAL LANs TABLE  
================================  
SVLAN ID  
P1 P2 P3 P4 P5 P6 P7  
======================================  
1:  
2:  
+
+
-
+
+
-
-
-
+
-
-
-
-
+
set-mon-port  
set-mon-port <port>  
Sets the port to be monitored. port is the port number. All traffic  
from this port is duplicated, or mirrored, on the port specified by the  
monitor command.  
monitor  
monitor <port>  
Sets the monitoring port. All traffic from the port specified by  
set-mon-port is duplicated on port.  
stop-mon  
Stops port monitoring.  
Spanning tree commands  
Spanning tree automatically configures a loop-free topology in a  
bridged environment. The spanning tree agent is implemented in  
conformance with the IEEE 802.1d standard. In most cases, the  
defaults work fine and you won’t need to use these commands.  
46  
 
C H A P T E R 2  
Configuring and Managing the Switch  
get-stp  
Displays the current state of spanning tree (either enabled or  
disabled). By default, spanning tree is enabled in accordance with  
802.1d.  
set-stp  
set-stp {enable|disable}  
Enables or disables the spanning tree protocol. Enabled is the default.  
Enabling or disabling spanning tree doesn’t take effect until the  
SNMP agent is reset (warm-reset, cold-reset, or turning the power  
off).  
get-st-bcfg  
Displays the spanning tree bridge parameters. If spanning tree is  
disabled, parameters aren’t displayed.  
get-st-pcfg  
Displays the spanning tree port parameter table. If spanning tree is  
disabled, parameters aren’t displayed.  
get-st-syscfg  
Displays the spanning tree state for all ports.  
set-br-prio  
set-br-prio <priority>  
Sets the spanning tree bridge priority of the switch. priority is a  
number from 0 to 65535. This is equivalent to setting the MIB  
variable dot1dStpPriority (RFC 1493).  
set-br-maxage  
set-br-maxage <maxage>  
Sets the spanning tree bridge maximum age. This is the amount of  
time between spanning tree configuration messages. maxageis in  
seconds, from 6 to 40. However, the corresponding MIB variable,  
dot1dStpBridgeMaxAge (RFC 1493), is in hundreths of seconds,  
ranging from 600 to 4000, and must be a multiple of 100.  
47  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
set-br-hellot  
set-br-hellot <hello_time>  
Sets the spanning tree bridge hello time. hello_time is a number from  
1 to 10 in seconds. However, the corresponding MIB variable,  
dot1dStpBridgeHelloTime (RFC 1493), is in hundreths of seconds  
ranging from 100 to 1000, and must be a multiple of 100.  
SYS_console> set-br-hellot 2  
The Bridge Hello Time was changed  
set-br-fwdel  
set-br-fwdel <forward_delay>  
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. forward_delay is  
in seconds, from 4 to 30. However, the corresponding MIB variable,  
dot1dStpBridgeForwardDelay (RFC 1493), is in hundreths of seconds  
from 400 to 3000, and must be a multiple of 100.  
set-prt-prio  
set-prt-prio <port_number> <port_priority>  
Sets the spanning tree port priority. port_number is the decimal port  
number, and port_priority is a number from 1 to 255. This is  
equivalent to setting the MIB variable dot1dStpPortPriority  
(RFC 1493).  
set-prt-enb  
set-prt-enb <port_number> {enable|disable}  
Enables or disables a port in the spanning tree. port_numberis the  
port number. This is equivalent to setting the MIB variable  
dot1dStpPortEnable (RFC 1493).  
set-prt-pcost  
set-prt-pcost <port_number> <path_cost>  
Sets the spanning tree port path cost. port_number is the port number,  
and path_cost is path cost from 1 to 65535. This is equivalent to  
setting the MIB variable dot1dStpPortPathCost (RFC 1493).  
48  
 
C H A P T E R 2  
Configuring and Managing the Switch  
Port configuration commands  
This section contains instructions for configuring and displaying port  
settings with the Console Manager.  
get-port-cfg  
Displays the current port configuration.  
SYS_console>get-port-cfg  
PORT_ID  
LAN_TYPE LINK IF_TYPE PORTSEL FDPLX FCTRL  
========================================================  
1
2
3
4
5
6
7
NONE  
NONE  
ETH100X OFF  
ETH100X OFF  
ETH100X OFF  
ETH100X OFF  
ETH100X OFF  
---- PORT NOT INSTALLED ----  
---- PORT NOT INSTALLED ----  
TPFD  
TPFD  
TPFD  
TPFD  
TPFD  
TP  
TP  
TP  
TP  
TP  
OFF  
OFF  
OFF  
OFF  
OFF  
ON  
ON  
ON  
ON  
ON  
The command displays the following information for each port:  
LAN type: ETH100X indicates 100BASE-TX Fast Ethernet  
Link status: ON or OFF  
Physical interface type: TPFD indicates Twisted-pair (TP)  
Ethernet, Full Duplex (FD) capable  
Physical interface selected: TP for the Express Switching Hub  
Full duplex mode: ON or OFF (default)  
Flow control: ON or OFF. If you set a port to full duplex, flow  
control is automatically turned off (changes take effect after a  
reset). If you try to set flow control to ON while full duplex is  
selected, the Console Manager ignores the change on reset.  
set-port-dplex  
set-port-dplex <port_number> {half|full}  
Specifies whether the given port is in full-duplex or 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  
49  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
set-port-fctrl  
set-port-fctrl <port-number> {on|off}  
Turns the flow control feature on or off for the specified port. The  
default is on.  
If the port is in full-duplex mode, flow control is automatically off. If  
you try to set it to ON while full-duplex is enabled, the Console  
Manager ignores the change after a reset. Flow control or full duplex  
can be active, or neither, but not both.  
SYS_console> set-port-fctrl 2 off  
Port 2 - flow control <off>  
Parameter change in NVRAM OK  
Switching statistics commands  
This section contains instructions for displaying switching statistics  
using the Console Manager. The following commands provide full  
physical layer information as well as interport switching statistics.  
clr-cnt  
Clears (resets) the Ethernet and bridging statistical counters.  
get-eth-cnt  
get-eth-cnt <port-number>  
Displays the Ethernet Statistics Counters for port port-number. This is  
almost identical to the Ethernet-like Statistics Group of the Ethernet  
MIB.  
SYS_console> get-eth-cnt 3  
Ethernet Statistics for port 3  
=================================  
Transmit  
OK  
:
1427908  
Underflow  
Errors:  
153  
Exces Coll Errors:  
0
Exces Fctrl Errors:  
0
Receive  
Receive  
Overflow  
CRC  
Alignment  
Runt  
EOF  
OK  
Errors:  
Errors:  
Errors:  
Errors:  
:
:
1443206  
1443192  
2
9
0
6
0
0
Lost/Fctrl Errors:  
Too Long Errors:  
=================================  
50  
 
C H A P T E R 2  
Configuring and Managing the Switch  
get-colls-cnt  
get-colls-cnt <port-number>  
Displays the Ethernet collision statistics for each port. This is nearly  
identical to the Ethernet-like collisions statistics group of the Ethernet  
MIB and shows the collision count distribution for this port. If a  
packet still collides on the 16th count, the packet is retransmitted.  
SYS_console> get-colls-cnt 1  
Ethernet Collision Distribution for port 1  
==================================================  
1 collision count :  
2 collision count :  
3 collision count :  
4 collision count :  
5 collision count :  
6 collision count :  
7 collision count :  
8 collision count :  
9 collision count :  
10 collision count :  
11 collision count :  
12 collision count :  
13 collision count :  
14 collision count :  
15 collision count :  
16 collision count :  
2234  
121  
NOTE  
Collisions on the first few  
counts are normal. However,  
if collisions occur past the  
10th count, you should  
reconfigure your network so  
devices that mainly talk to  
each other are on the same  
segment.  
0
0
0
0
0
0
0
0
0
0
0
0
0
0
==================================================  
get-rmon-cnt  
get-rmon-cnt <port>  
Displays the remote monitoring (RMON) statistics group 1 counters  
for port.  
SYS_console> get-rmon-cnt 3  
Ethernet RMON Counters for port 3  
====================================================  
etherStatsOctets  
: 890094309  
etherStatsPkts  
etherStatsBcastPkts  
etherStatsMcastPkts  
:
:
:
1504371  
14024  
3834  
etherStatsCRCAllignPkts:  
etherStatsUndersizePkts:  
etherStatsOversizePkts :  
9
18  
0
etherStatsRuntPkts  
etherStatsJabberPkts  
etherStatsCollisions  
:
:
:
6
0
0
51  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
get-sdist-cnt  
get-sdist-cnt <port>  
Displays the RMON statistics packet size histogram for port.  
SYS_console> get-sdist-cnt 3  
RMON Packet Size Distribution Counters for port 3  
============================================================  
etherStatsPkts64Octets  
:
:
:
:
4352  
19845  
673  
etherStatsPkts65to127Octets  
etherStatsPkts128to255Octets  
etherStatsPkts256to511Octets  
1209  
etherStatsPkts512to1023Octets :  
1471278  
etherStatsPkts1024to1518Octets :  
52163  
get-br-cnt  
get-br-cnt <port-number>  
Displays the switching statistics counters for a port. The command  
displays the number of:  
packets or bytes received.  
packets forwarded.  
multicast packets.  
packets with unknown destination and subsequently multicast.  
packets transmitted.  
packets lost (if flow control is disabled) or number of packets  
retransmitted by the originator due to flow control (if flow control  
is enabled).  
packets or bytes forwarded to each port. For the port you  
specified, the number of packets or bytes represents filtered  
frames. Filtered frames are ones that don’t need to be forwarded  
because they’re destined for the same port they came in on.  
SYS_console> get-br-cnt 3  
Ethernet Switching Counters for port 3  
====================================================  
Frm  
Received OK :  
1419681  
Bytes Received  
Frm Filtered  
Frm to all ports :  
: 842637991  
:
0
0
Frm multicast  
Frm lost/fctrl  
Transmit OK  
:
:
:
16017  
0
1404387  
52  
 
C H A P T E R 2  
Configuring and Managing the Switch  
Forward to port  
:
FRAMES  
BYTES  
-----------------------------------------------------  
1
2
3
4
5
6
7
:
:
:
:
:
:
:
0
0
0
0
60  
218103808  
1419823  
842711315  
0
0
0
0
0
0
====================================================  
get-mgm-brcnt  
Displays the counters for the management interface:  
SYS_console> get-mgm-brcnt  
Management Port Counters  
================================================  
Frm  
Bytes Received  
Frm Filtered  
Received  
:
:
:
658  
122135  
284  
Frm Received Bcast:  
Frm Transmited  
305  
342  
:
Frm Transmit Ucast:  
Frm Transmit Mcast:  
Frm Transmit Bcast:  
Received from port:  
340  
1280  
2
FRAMES  
BYTES  
------------------------------------------------  
1
2
3
4
5
6
7
:
:
:
:
:
:
:
0
0
0
655  
0
0
0
0
0
0
121955  
0
0
0
Transmit to port :  
FRAMES  
BYTES  
------------------------------------------------  
1
:
2
128  
2
3
4
5
6
:
:
:
:
:
0
2
339  
2
0
128  
66085  
128  
2
128  
7
:
2
128  
------------------------------------------------  
53  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
Console command-line summary  
Console Commands  
help-kbd  
banner  
lists the help and shortcut keys  
displays the Console Manager logo  
clears the screen  
clear  
login  
exits Console Manager and displays login screen  
exits Console Manager and any active Telnet session  
changes the console prompt  
logout  
set-prompt  
set-passwd  
changes the console password  
System Commands  
sys-stat  
displays system status  
warm-reset  
cold-reset  
get-last-err  
init-nvram  
set-line-slip  
set-sw-file  
set-par-file  
set-fg-param  
start-fg  
performs a warm reset of the switch  
performs a cold reset of the switch, like powering it on and off  
displays information about the last fatal error  
resets nonvolatile RAM (NVRAM) to default values  
transfers the serial connection to SLIP mode  
sets the SNMP agent software filename for download  
sets the SNMP agent parameters filename for automatic setup  
sets the Ethernet frame generator parameters  
starts the Ethernet frame generator  
stop-fg  
stops the Ethernet frame generator  
IP Commands  
get-ip  
displays the current IP address  
set-ip  
sets the IP address  
get-ip-conf  
set-ip-conf  
set-slip  
displays the current IP address, netmask, and broadcast address  
sets the IP address, netmask, and broadcast address  
sets the SLIP address  
get-slip  
displays the SLIP address  
get-slip-conf  
set-slip-conf  
get-gatew  
displays the current SLIP configuration  
sets the SLIP configuration  
displays the default gateway  
54  
 
C H A P T E R 2  
Configuring and Managing the Switch  
IP Commands (con’t)  
set-gatew  
sets the default gateway  
get-arp-tbl  
del-arp-entry  
add-arp-entry  
get-bootp  
displays the Address Resolution Protocol (ARP) table  
deletes one or all entries from the ARP table  
adds an entry to the ARP table  
displays the state of the BOOTP process  
enables or disables the BOOTP process  
contacts another IP device  
set-bootp  
ping  
ping-stop  
stops the ping process  
get-def-ttl  
set-def-ttl  
displays the running default TTL (time to live) value  
modifies the running default TTL value  
SNMP Commands  
get-comm  
set-comm  
get-auth  
set-auth  
get-traps  
add-trap  
del-trap  
shows the current read or write community  
changes the read or write community  
shows the trap authentication mode  
sets the trap authentication mode  
shows the destination stations in the trap list  
adds a destination station to the trap list  
deletes a destination station from the trap list  
Switching Database Commands  
get-lt-entry  
get-lt-16  
displays a switching database entry  
displays 16 switching database entries starting at a given item number  
searches for an address in the switching database  
removes a switching database entry  
find-lt-addr  
del-lt-entry  
del-lt-addr  
add-lt-entry  
add-cf-entry  
del-cf-entry  
get-nv-cftbl  
get-nv-cfilt  
get-lt-age  
removes the switching database entry for a given address  
adds a switching database entry  
adds a custom filter entry  
deletes a custom filter entry  
displays the saved custom filters table  
displays the saved custom filters for a given MAC address  
displays the switching database aging period  
sets the switching database aging period  
set-lt-age  
55  
 
C H A P T E R 2  
Intel Express 100BASE-TX Switching Hub  
Virtual LAN (VLAN) Commands  
set-vbc-domain  
del-vbc-domain  
get-vbc-tbl  
set-sec-vlan  
del-sec-vlan  
get-svlan-tbl  
set-mon-port  
monitor  
defines a Virtual Broadcast Domain (VBD)  
deletes a VBD  
displays the VBD table  
defines a Security Virtual LAN (SVLAN)  
deletes an SVLAN  
displays the SVLAN table  
sets the monitoring port  
starts port monitoring  
stop-mon  
stops port monitoring  
get-lt-filter  
get-con-matrix  
get-vbc-matrix  
displays the filter for a given MAC address  
displays the VLAN connectivity matrix  
displays the VBC connectivity matrix  
Spanning Tree Commands  
get-stp  
displays the spanning tree session state  
set-stp  
enables or disables the spanning tree for the next session  
displays the spanning tree bridge parameters  
displays the spanning tree port parameters table  
displays the spanning tree system ports configuration  
sets the spanning tree bridge priority  
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-prt-enb  
set-prt-pcost  
sets the spanning tree bridge maximum age  
sets the spanning tree bridge hello time  
sets the spanning tree bridge forward delay  
sets the spanning tree port priority  
enables or disables the spanning tree port  
sets the spanning tree port path cost  
Port Configuration Commands  
get-port-cfg  
displays the configuration of all the ports  
set-port-dplex  
set-port-fctrl  
sets a port’s duplex mode to half or full  
sets a port’s flow control on or off  
56  
 
C H A P T E R 2  
Configuring and Managing the Switch  
Switching Statistics Commands  
clr-cnt  
resets the counters for Ethernet and bridging statistics  
get-eth-cnt  
get-colls-cnt  
get-rmon-cnt  
get-sdist-cnt  
get-br-cnt  
displays the Ethernet statistics for a port  
displays the collision distribution statistics for a port  
displays the Ethernet RMON statistics for a port  
displays the packet size distribution statistics for a port  
displays the switching statistics for a port  
get-mgm-brcnt  
displays the switching statistics of the management port  
57  
 
 
3
Troubleshooting  
If there is an operating problem with the Express Switching Hub,  
incorrect configuration or cabling is probably the cause. Try the  
troubleshooting steps below in order:  
1
Verify that your cables are wired correctly. This is the most  
common problem. Use a UTP crossover cable to directly connect  
another switch, server, or workstation to the switch. Use a straight-  
through cables when connecting to a repeater. See page 8 for more  
information.  
2
3
Make sure the unit is plugged into a grounded, functioning AC  
outlet providing between 90 VAC and 264 VAC at 50/60 Hz.  
Review the Link LEDs of other devices to ensure that those ports  
you believe should be functioning are properly attached to the  
switch with a Category 5 UTP cable.  
4
5
Review the switch’s Link LEDS to ensure that ports you believe  
should be functioning are properly configured, and not disabled or  
partitioned.  
If you configured a port for full duplex, make sure the device on  
the other end is configured for full duplex and is capable of  
transmitting in full duplex. Remember, you must have a point-to-  
point connection for a full-duplex link. Most repeaters aren’t  
capable of full duplex.  
59  
 
C H A P T E R 3  
Intel Express 100BASE-TX Switching Hub  
6
7
If the FC/FD LED shows excessive activity, see Chapter 1 for  
recommendations on dealing with excessive flow control.  
Make sure that the equipment attached to the switch is properly  
configured. If the CLSN LED is on continuously, you may have a  
problem with an adapter on the segment.  
8
Use the Console Manager to check the switch’s status. Use the  
sys-statcommand to check the overall system status and the get-  
port-cfgcommand to check the status of each port.  
If you encounter any situations or problems you cannot solve, get the  
following information:  
The serial number of the Express Switching Hub printed on the  
back side of the switch.  
The firmware revision number displayed in the Console Manager  
sys-statmessage.  
The configuration of the equipment connected to the switch.  
The sequence of events leading up to your problem.  
Actions you have already taken.  
If you call Intel Customer Support, you have 90 days of free support  
after your first call. Thereafter, Intel offers several pay-for-support  
options.  
60  
 
A
Technical Information  
This chapter contains detailed information on default port and switch  
configuration options, product specifications, and supported standards  
for SNMP and MIB features.  
Default Configuration  
System  
Internal software filename: flash07.hex  
Database aging time: 300 seconds  
SNMP:  
IP:  
Read community: public  
Write community: private  
Authentication mode: enable  
Traps manager: None  
BOOTP: disabled  
TTL: 10 (in range 1 to 255)  
Authentication mode: enable  
Traps manager: None  
Ports 1-2  
Not installed (optional equipment)  
61  
 
A p p e n d i x  
A
Intel Express 100BASE-TX Switching Hub  
Ports 3-7  
Type:  
100BASE-TX, twisted-pair Ethernet (TPE)  
Duplex mode:  
Flow control:  
Half  
On  
Console Manager  
Communications parameters: 9600 baud, 8-N-1  
Login name: None  
Password: None  
Prompt: SYS_console>  
Spanning tree  
Spanning tree:  
Enabled  
Bridge priority:  
Bridge max. age:  
Bridge hello time:  
32768 0-65535  
20  
2
6.0-40.0 sec.  
1.0-10.0 sec.  
4.0-30.0 sec.  
Bridge forward delay: 15  
Port priority:  
Port cost:  
128  
0-255  
10 (1000/LAN speed in Mbps)  
Specifications  
Features  
Buffer size: 28KB per port/140KB total  
Architecture: Store and forward for complete runt and error filtering on  
all packets. Flow control prevents packet loss.  
MAC addresses supported: 1024 total  
Address table: Transparent, automatic self-learning at full wire speed.  
Cache aging time manageable. Custom filtering by hardware address  
and port.  
Network Management  
In-band and out-of-band SNMP with MIB II, private MIB and out-of-  
band serial console support.  
62  
 
A p p e n d i x  
A
Technical Information  
Status Indicators (per port)  
Displays Link, Transmit, Receive, Collision, Flow Control/Full  
Duplex, Management.  
General Indicators  
Displays Management activity, SNMP presence, power supply status,  
device failure detection.  
Boot and Configuration  
NVRAM configuration loaded on power up and fully downloadable.  
Firmware local or remote downloadable.  
Connector Interfaces  
UTP RJ-45 (MDI pin configuration)  
RS232  
SC fiber optic (on optional 100BASE-FX media adapter)  
Maximum Cabling Distances  
Switch to switch or switch to NIC:  
Category 5 UTP: 328 feet (100 meters)  
62.5/125µ multimode fiber: 1.2 miles (2 km) at full duplex  
1351 feet (412 meters) at half duplex  
Switch to repeater:  
Category 5 UTP: 328 feet (100 meters)  
62.5/125µ multimode fiber: Varies, ~1050 feet (320 meters) total  
network diameter  
Standards Supported  
100BASE-TX Fast Ethernet  
100BASE-FX Fast Ethernet  
FDSE (Full Duplex Switched Ethernet)  
IEEE 802.3u (Fast Ethernet)  
IEEE 802.1d (Spanning Tree)  
SNMP (RFC 1157, etc.)  
MIB II (RFC 1213, etc.)  
Bridge MIB (RFC 1493)  
63  
 
A p p e n d i x  
A
Intel Express 100BASE-TX Switching Hub  
Mounting  
Standard 19-inch rack, with mounting brackets  
1-inch minimum clearance, sides and back  
Electrical Specifications  
Input power: 55W maximum  
AC line frequency: 50-60 Hz  
Input voltage (rms): 90-260 VAC  
Fuse: 1 Amp maximum at 220V, 2 Amp maximum at 155V  
Power Cord Specifications  
115 volt configuration:  
Minimum type SJT (SVT) 18/3, rated 250 Volts AC, 10 Amps with a  
maximum length of 15 feet. One end is terminated in an IEC 320  
attachment plug, the other in a NEMA 5-15P plug.  
230 volt configuration:  
Minimum type SJT (SVT) 18/3, rated 250 Volts AC, 10 Amps with a  
maximum length of 15 feet. One end is terminated in an IEC 320  
attachment plug. The other end is terminated as required by the country  
where it will be installed.  
Electromagnetic Emissions and Safety Agency Approval  
FCC Part 15, Subpart J, Class A  
EN 55022 (CISPR22: 1985), Class A  
VCCI Class 1 ITE  
EN50082-1  
UL listed (UL 1950)  
IEC 950/EN 60 950 (TUV)  
CE Mark  
CSA certified (CSA 22.2 #950) - pending  
Environment  
Operating temperature: 0 ~ 40° C (32 ~ 104° F)  
Storage temperature: -10 ~ 65° C (14 ~ 149° F)  
Humidity: < 85% (noncondensing)  
ETL (UL-1950), TUV/VDE, CSA  
64  
 
A p p e n d i x  
A
Technical Information  
SNMP and MIB Support  
The Express Switching Hub contains a built-in SNMP agent running  
on the SNMP processor board. This allows each Express Switching  
Hub to be managed from a centralized management station via any  
SNMP-compliant NMS.  
The SNMP agent software complies with the following standards:  
RFC 1155, The Structure of Management Information (SMI) for  
TCP/IP Based Internets, 5/90.  
RFC 1556, Management Information Base (MIB) for Network  
Managers of TCP/IP Based Internets, 5/90.  
RFC 1557, The Simple Network Management Protocol (SNMP), 5/  
90.  
RFC 1213, The Management Information Base II (MIB II), 3/91.  
RFC 1643, Definitions of Managed Objects for the Ethernet-like  
Interface Types.  
RFC 1573, Evolution of the Interfaces Group of MIB-II, 1/94.  
RFC 1493, Definitions of Managed Objects for Bridges, 7/93.  
RFC 793, Transmission Control Protocol.  
RFC 854, Telnet Protocol Specification.  
RFC 1055, Nonstandard for transmission of IP datagrams over  
serial lines: SLIP, 1/88.  
The SNMP agent uses UDP/IP (RFC 768, RFC 950, RFC 1071 and  
RFC 791) as OSI layers 3 and 4 protocols, and ICMP (RFC 792) and  
ARP (RFC 826) to complete the UDP/IP protocol suite.  
The UDP/IP stack implementation is conformant to:  
RFC 1122, Requirements for Internet hosts, communication layers.  
RFC 1123, Requirements for Internet hosts, application and  
support.  
The Express Switching Hub may be managed by any SNMP Manager  
that conforms to the above standards.  
The Express Switching Hub implements an Intel Enterprise MIB.  
Download SWCH1MIB.EXE from the Intel Customer Support World  
inside back cover).  
65  
 
A p p e n d i x  
A
Intel Express 100BASE-TX Switching Hub  
Custom Filter Port Table  
The following table contains hexadecimal bitmask equivalents for  
custom filter source and destination port combinations. Use this table  
with the add-cf-entry command. See page 22 for instructions on  
creating custom filters.  
Source Ports  
Port(s)  
1
Enter...  
1
Port(s)  
5,6  
Enter...  
30  
50  
60  
7
Port(s)  
2,5,6  
2,5,7  
2,6,7  
3,4,5  
3,4,6  
3,4,7  
3,5,6  
3,5,7  
3,6,7  
4,5,6  
4,5,7  
4,6,7  
5,6,7  
Enter...  
32  
2
2
5,7  
52  
3
4
6,7  
62  
4
8
1,2,3  
1,2,4  
1,2,5  
1,2,6  
1,2,7  
1,3,4  
1,3,5  
1,3,6  
1,3,7  
1,4,5  
1,4,6  
1,4,7  
1,5,6  
1,5,7  
1,6,7  
2,3,4  
2,3,5  
2,3,6  
2,3,7  
2,4,5  
2,4,6  
2,4,7  
1C  
5
10  
20  
40  
3
B
2C  
6
13  
23  
43  
D
4C  
7
34  
1,2  
1,3  
1,4  
1,5  
1,6  
1,7  
2,3  
2,4  
2,5  
2,6  
2,7  
3,4  
3,5  
3,6  
3,7  
4,5  
4,6  
4,7  
54  
5
64  
Note  
9
15  
25  
45  
19  
29  
49  
31  
51  
61  
E
38  
Commas separate a range of  
ports. For example, 1,2 means  
source ports 1 and 2.  
11  
21  
41  
6
58  
68  
70  
1,2,3,4 F  
A
1,2,3,5 17  
1,2,3,6 27  
1,2,3,7 47  
1,2,4,5 1B  
1,2,4,6 2B  
1,2,4,7 4B  
1,2,5,6 33  
1,2,5,7 53  
1,2,6,7 63  
1,3,4,5 1D  
1,3,4,6 2D  
12  
22  
42  
C
14  
24  
44  
18  
28  
48  
16  
26  
46  
1A  
2A  
4A  
66  
 
A p p e n d i x  
A
Technical Information  
Source Ports (con’t)  
Port(s)  
Enter...  
Port(s)  
Enter...  
Port(s)  
Enter...  
1,3,4,7 4D  
1,3,5,6 35  
1,3,5,7 55  
1,3,6,7 65  
1,4,5,6 39  
1,4,5,7 59  
1,4,6,7 69  
1,5,6,7 71  
2,3,4,5 1E  
2,3,4,6 2E  
2,3,4,7 4E  
2,3,5,6 36  
2,3,5,7 56  
2,3,6,7 66  
2,4,5,6 3A  
2,4,5,7 5A  
2,4,6,7 6A  
2,5,6,7 72  
3,4,5,6 3C  
3,4,5,7 5C  
3,4,6,7 6C  
3,5,6,7 74  
4,5,6,7 78  
1,2,3,4,5 1F  
1,2,3,4,6 2F  
1,2,3,4,7 4F  
1,2,3,5,6 37  
1,2,3,5,7 57  
1,2,3,6,7 67  
1,2,4,5,6 3B  
1,2,4,5,7 5B  
1,2,4,6,7 6B  
1,2,5,6,7 73  
1,3,4,5,6 3D  
1,3,4,5,7 5D  
1,3,4,6,7 6D  
1,3,5,6,7 75  
1,4,5,6,7 79  
2,3,4,5,6 3E  
2,3,4,5,7 5E  
2,3,4,6,7 6E  
2,3,5,6,7 76  
2,4,5,6,7 7A  
3,4,5,6,7 7C  
1,2,3,4,5,6 3F  
1,2,3,4,5,7 5F  
1,2,3,4,6,7 6F  
1,2,3,5,6,7 77  
1,2,4,5,6,7 7B  
1,3,4,5,6,7 7D  
2,3,4,5,6,7 7E  
67  
 
A p p e n d i x  
A
Intel Express 100BASE-TX Switching Hub  
Note  
Destination Ports  
Destination ports range from  
0 to 7 where 0 is the SNMP  
management port.  
Port(s)  
0
Enter...  
1
Port(s)  
4,7  
Enter...  
90  
60  
A0  
C0  
7
Port(s)  
1,3,6  
1,3,7  
1,4,5  
1,4,6  
1,4,7  
1,5,6  
1,5,7  
1,6,7  
2,3,4  
2,3,5  
2,3,6  
2,3,7  
2,4,5  
2,4,6  
2,4,7  
2,5,6  
2,5,7  
2,6,7  
3,4,5  
3,4,6  
3,4,7  
3,5,6  
3,5,7  
3,6,7  
4,5,6  
4,5,7  
4,6,7  
5,6,7  
0,1,2,3  
0,1,2,4  
0,1,2,5  
0,1,2,6  
Enter...  
4A  
8A  
32  
52  
92  
62  
A2  
C2  
1C  
2C  
4C  
8C  
34  
54  
94  
64  
A4  
C4  
38  
58  
98  
68  
A8  
C8  
70  
B0  
D0  
E0  
F
1
2
5,6  
2
4
5,7  
3
8
6,7  
4
10  
20  
40  
80  
3
0,1,2  
0,1,3  
0,1,4  
0,1,5  
0,1,6  
0,1,7  
0,2,3  
0,2,4  
0,2,5  
0,2,6  
0,2,7  
0,3,4  
0,3,5  
0,3,6  
0,3,7  
0,4,5  
0,4,6  
0,4,7  
0,5,6  
0,5,7  
0,6,7  
1,2,3  
1,2,4  
1,2,5  
1,2,6  
1,2,7  
1,3,4  
1,3,5  
5
B
6
13  
23  
43  
83  
D
7
0,1  
0,2  
0,3  
0,4  
0,5  
0,6  
0,7  
1,2  
1,3  
1,4  
1,5  
1,6  
1,7  
2,3  
2,4  
2,5  
2,6  
2,7  
3,4  
3,5  
3,6  
3,7  
4,5  
4,6  
5
9
11  
21  
41  
81  
6
15  
25  
45  
85  
19  
29  
49  
89  
31  
51  
91  
61  
A1  
C1  
E
A
12  
22  
42  
82  
C
14  
24  
44  
84  
18  
28  
48  
88  
30  
50  
16  
26  
46  
86  
1A  
2A  
17  
27  
47  
68  
 
A p p e n d i x  
A
Technical Information  
Destination Ports (con’t)  
Port(s)  
Enter...  
Port(s)  
Enter...  
Port(s)  
3,5,6,7  
4,5,6,7  
Enter...  
E8  
0,1,2,7 87  
0,1,3,4 1B  
0,1,3,5 2B  
0,1,3,6 4B  
0,1,3,7 8B  
0,1,4,5 33  
0,1,4,6 53  
0,1,4,7 93  
0,1,5,6 63  
0,1,5,7 A3  
0,1,6,7 C3  
0,2,3,4 1D  
0,2,3,5 2D  
0,2,3,6 4D  
0,2,3,7 8D  
0,2,4,5 35  
0,2,4,6 55  
0,2,4,7 95  
0,2,5,6 65  
0,2,5,7 A5  
0,2,6,7 C5  
0,3,4,5 39  
0,3,4,6 59  
0,3,4,7 99  
0,3,5,6 69  
0,3,5,7 A9  
0,3,6,7 C9  
0,4,5,6 71  
0,4,5,7 B1  
0,4,6,7 D1  
0,5,6,7 E1  
1,2,3,4 1E  
1,2,3,5 2E  
1,2,3,6 4E  
1,2,3,7 8E  
1,2,4,5 36  
1,2,4,6 56  
1,2,4,7 96  
1,2,5,6 66  
1,2,5,7 A6  
1,2,6,7 C6  
1,3,4,5 3A  
1,3,4,6 5A  
1,3,4,7 9A  
1,3,5,6 6A  
1,3,5,7 AA  
1,3,6,7 CA  
1,4,5,6 72  
1,4,5,7 B2  
1,4,6,7 D2  
1,5,6,7 E2  
2,3,4,5 3C  
2,3,4,6 5C  
2,3,4,7 9C  
2,3,5,6 6C  
2,3,5,7 AC  
2,3,6,7 CC  
2,4,5,6 74  
2,4,5,7 B4  
2,4,6,7 D4  
2,5,6,7 E4  
3,4,5,6 78  
3,4,5,7 B8  
3,4,6,7 D8  
F0  
0,1,2,3,4 1F  
0,1,2,3,5 2F  
0,1,2,3,6 4F  
0,1,2,3,7 8F  
0,1,2,4,5 37  
0,1,2,4,6 57  
0,1,2,4,7 97  
0,1,2,5,6 67  
0,1,2,5,7 A7  
0,1,2,6,7 C7  
0,1,3,4,5 3B  
0,1,3,4,6 5B  
0,1,3,4,7 9B  
0,1,3,5,6 6B  
0,1,3,5,7 AB  
0,1,3,6,7 CB  
0,1,4,5,6 73  
0,1,4,5,7 B3  
0,1,4,6,7 D3  
0,1,5,6,7 E3  
0,2,3,4,5 3D  
0,2,3,4,6 5D  
0,2,3,4,7 9D  
0,2,3,5,6 6D  
0,2,3,5,7 AD  
0,2,3,6,7 CD  
0,2,4,5,6 75  
0,2,4,5,7 B5  
0,2,4,6,7 D5  
0,2,5,6,7 E5  
69  
 
A p p e n d i x  
A
Intel Express 100BASE-TX Switching Hub  
Destination Ports (con’t)  
Port(s)  
Enter...  
Port(s)  
Enter...  
Port(s)  
Enter...  
0,3,4,5,6 79  
0,3,4,5,7 B9  
0,3,4,6,7 D9  
0,3,5,6,7 E9  
0,4,5,6,7 F1  
1,2,3,4,5 3E  
1,2,3,4,6 5E  
1,2,3,4,7 9E  
1,2,3,5,6 6E  
1,2,3,5,7 AE  
1,2,3,6,7 CE  
1,2,4,5,6 76  
1,2,4,5,7 B6  
1,2,4,6,7 D6  
1,2,5,6,7 E6  
1,3,4,5,6 7A  
1,3,4,5,7 BA  
1,3,4,6,7 DA  
1,3,5,6,7 EA  
1,4,5,6,7 F2  
2,3,4,5,6 7C  
2,3,4,5,7 BC  
2,3,4,6,7 DC  
2,3,5,6,7 EC  
2,4,5,6,7 F4  
3,4,5,6,7 F8  
0,1,2,3,4,5 3F  
0,1,2,3,4,6 5F  
0,1,2,3,4,7 9F  
0,1,2,3,5,6 6F  
0,1,2,3,5,7 AF  
0,1,2,3,6,7 CF  
0,1,2,4,5,6 77  
0,1,2,4,5,7 B7  
0,1,2,4,6,7 D7  
0,1,2,5,6,7 E7  
0,1,3,4,5,6 7B  
0,1,3,4,5,7 BB  
0,1,3,4,6,7 DB  
0,1,3,5,6,7 EB  
0,1,4,5,6,7 F3  
0,2,3,4,5,6 7D  
0,2,3,4,5,7 BD  
0,2,3,4,6,7 DD  
0,2,3,5,6,7 ED  
0,2,4,5,6,7 F5  
0,3,4,5,6,7 F9  
1,2,3,4,5,6 7E  
1,2,3,4,5,7 BE  
1,2,3,4,6,7 DE  
1,2,3,5,6,7 EE  
1,2,4,5,6,7 F6  
1,3,4,5,6,7 FA  
2,3,4,5,6,7 FC  
0,1,2,3,4,5,6 7F  
0,1,2,3,4,5,7 BF  
0,1,2,3,4,6,7 DF  
0,1,2,3,5,6,7 EF  
0,1,2,4,5,6,7 F7  
0,1,3,4,5,6,7 FB  
0,2,3,4,5,6,7 F0  
1,2,3,4,5,6,7 FE  
70  
 
A p p e n d i x  
A
Technical Information  
Limited Warranty  
Intel warrants to the original owner that the product delivered in this package will be free from defects in material and  
workmanship for one (1) year following the latter of: (i) the date of purchase only if you register by returning the registration  
card as indicated thereon with proof of purchase; or (ii) the date of manufacture; or (iii) the registration date if by electronic  
means provided such registration occurs within 30 days from purchase. This warranty does not cover the product if it is  
damaged in the process of being installed. Intel recommends that you have the company from whom you purchased this  
product install the product.  
INTEL RESERVES THE RIGHT TO FILL YOUR ORDER WITH A PRODUCT CONTAINING NEW OR  
REMANUFACTURED COMPONENTS. THE ABOVE WARRANTY IS IN LIEU OF ANY OTHER WARRANTY,  
WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY OF  
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR ANY WARRANTY ARISING OUT OF ANY  
PROPOSAL,SPECIFICATIONORSAMPLE.  
This warranty does not cover replacement of products damaged by abuse, accident, misuse, neglect, alteration, repair, disaster,  
improper installation or improper testing. If the product is found to be otherwise defective, Intel, at its option, will replace or  
repair the product at no charge except as set forth below, provided that you deliver the product along with a return material  
authorization (RMA) number either to the company from whom you purchased it or to Intel (North America only). If you ship  
the product, you must assume the risk of damage or loss in transit. You must use the original container (or the equivalent) and  
pay the shipping charge. Intel may replace or repair the product with either new or remanufactured product or parts, and the  
returned product becomes Intel’s property. Intel warrants the repaired or replaced product to be free from defects in material  
and workmanship for a period of the greater of: (i) ninety (90) days from the return shipping date; or (ii) the period of time  
remaining on the original one (1) year warranty.  
This warranty gives you specific legal rights and you may have other rights which vary from state to state. All parts or  
components contained in this product are covered by Intel’s limited warranty for this product.  
Copyright © 1996 by Intel Corporation. All rights reserved. This document may not be reproduced in whole or in part without  
the express written permission of Intel Corporation.  
Intel Corporation  
5200 NE Elam Young Parkway  
Hillsboro, OR 97124  
FCC Notice  
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the  
FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is  
operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not  
installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.  
Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required  
to correct the interference at his own expense.  
The user is cautioned that changes and modifications made to the equipment without approval of the manufacturer could void  
the user’s authority to operate this equipment.  
Manufacturer declaration  
This certifies that the Intel Express 100BASE-TX Switching Hub complies with the EU Directive 89/33/EEC, using the EMC  
standards EN55022 (Class A) and EN50082-1. This product also meets or exceeds EN 60950 (TUV) requirements. This  
product has been tested and verified to meet CISPR 22 Class A requirements.  
71  
 
 
I
Index  
10 Mbps connectivity, 5  
C
10 Mbps segments, connecting to, 12  
100BASE-FX, see Fast Ethernet  
100BASE-TX, see Fast Ethernet  
Cabling  
Category 5 cables, 8  
crossover cables, 5  
fiber optic, 8  
maximum distances, 63  
null-modem cable, using, 7  
requirements, 5, 8  
A
Access restrictions  
creating custom filters, 24  
creating virtual LANs (VLANs), 22  
add-arp-entrycommand, 35  
add-cf-entrycommand, 24  
add-lt-entrycommand, 41  
add-trapcommand, 37  
straight-through, 9  
UTP (twisted-pair) requirements, 8  
Category 5 cabling, 8  
clearcommand, 26  
clr-cntcommand, 50  
Clsn (Collision) LED, 6  
cold-resetcommand, 28  
Collision  
Clsn LED, 6  
excessive, 13  
COM port settings for Console Manager, 16  
Command history, 18  
Communication parameters, 16  
Addresses, up to 1024 entries, 62  
B
bannercommand, 26  
Bitmasks for custom filter, 66  
BOOTP  
displaying current state, 32  
enabling or disabling, 32  
Bridge, see Spanning tree  
Broadcast address setting, 32  
73  
 
I
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D
E
X
Intel Express 100BASE-TX Switching Hub  
Configuration  
del-lt-addr command, 40  
del-lt-entry command, 40  
del-sec-vlancommand, 46  
del-trapcommand, 37  
del-vbc-domaincommand, 45  
Diagnostics  
10 Mbps segments, 12  
100 Mbps workgroups, 10  
broadcast address, 32  
default, 61–62  
full duplex, 19  
IP address, 31, 32  
troubleshooting, 59  
netmask, 32  
viewing the last failure, 29  
network topology, 10  
ports, 49  
samples, 10  
SNMP, 20  
switch, 15–57  
E
Electrical specifications, 64  
Environmental limits, 64  
Error LED, see Fault  
Errors  
Wide Area Networks (WANs), 11  
Configuring and managing the switch, 15–57  
Connector pinouts, 9  
Console Manager  
displaying the last error, 29  
troubleshooting, 59  
Ethernet address, displaying switch's, 27  
accessing locally, 16  
accessing remotely, 16  
assigning an IP address, 20  
command groups, 19  
command reference, 25–57  
default settings, 62  
F
Fast Ethernet devices, 5  
Fault LED, 7  
FC/FD (Flow Control or Full Duplex) LED, 6  
Fiber optic cabling, 8  
sample configuration, 11  
find-lt-addrcommand, 40  
Flow control, 13  
displaying command history, 18  
displaying help, 18  
entering commands, 17  
keyboard shortcuts, 18  
terminal settings, 16  
Crossover cables, 5  
Custom filters  
Frame generator  
specifying parameters, 30  
starting, 30  
creating, 24  
stopping, 30  
Full duplex  
destination ports table, 68  
other commands, 42  
source ports table, 66  
Customer support, inside back cover  
configuring a port for, 19  
requirements, 19  
G
D
Gateway address, displaying, 33  
get-arp-tblcommand, 34  
get-authcommand, 36  
Default settings  
listed, 61  
resetting, 29  
get-bootp command, 32  
del-arp-entrycommand, 35  
del-cf-entry command, 24  
74  
 
I
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D
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X
Intel Express 100BASE-TX Switching Hub  
get-br-cnt command, 52  
get-colls-cnt command, 51  
get-commcommand, 35  
I
Infinite loops, 24  
get-con-matrixcommand, 44  
get-def-ttlcommand, 33  
get-eth-cntcommand, 50  
get-gatewcommand, 33  
init-nvramcommand, 29  
Installing  
detailed instructions, 5  
hardware, 3  
get-ipcommand, 31  
Quick Start, 1–2  
get-ip-confcommand, 31  
get-last-errcommand, 29  
get-lt-16command, 39  
rack mount, 5  
IP address  
associating with a MAC address, 34  
displaying, 31  
for SNMP, 2, 20  
get-lt-agecommand, 41  
get-lt-entrycommand, 38  
get-lt-filtercommand, 42  
get-mgm-brcntcommand, 53  
get-nv-cfiltcommand, 43  
get-nv-cftblcommand, 43  
get-port-cfgcommand, 19  
get-rmon-cntcommand, 51  
get-sdist-cntcommand, 52  
get-slipcommand, 32  
get-slip-confcommand, 32  
get-st-bcfgcommand, 47  
get-st-pcfgcommand, 47  
get-st-syscfgcommand, 47  
get-stpcommand, 47  
setting, 32  
IP commands, 30–35  
IP configuration for SNMP, 31  
IP gateway, 33  
IP networks, router access, 33  
K
Keyboard shortcuts  
display previous command, 18  
erase entire line, 18  
erase previous word, 18  
get-svlan-tblcommand, 46  
get-trapscommand, 36  
get-vbc-matrixcommand, 44  
get-vbc-tblcommand, 45  
L
Learn table, see Switching database  
LEDs  
Clsn (Collision), 6  
Fault, 7  
FC/FD (Flow Control or Full Duplex), 6  
Link, 7  
management status, 7  
Mgmt (Management), port, 7  
Mgmt (Management), system, 7  
port status, 6  
H
Hardware address, see MAC address  
Hardware installation  
rack mount, 5  
shelf mount, 5  
Hardware installation and network  
topology, 3–13  
Pwr (Power), 7  
Rcv (Receive), 6  
SNMP, 7  
Xmt (transmit), 6  
help-kbdcommand, 26  
Hexadecimal bitmasks for custom filters, 66  
Humidity limits, 64  
75  
 
I
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D
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X
Intel Express 100BASE-TX Switching Hub  
Legacy network, connecting, 12  
Lights, see LEDs  
Link LED, 7  
P
Passwords, 2, 16, 27  
pingcommand, 33  
Ping commands, 33–35  
ping-stopcommand, 34  
Pinouts for RJ-45 connectors, 9  
Port configuration  
logincommand, 26  
Login prompt, 2, 16  
logoutcommand, 27  
M
default, 62  
displaying, 49  
MAC address  
associating with an IP address, 34  
displaying, 28  
full duplex, 19  
status, 28  
Management, see Network management  
Mgmt (Management) LED  
port, 7  
Power (Pwr) LED, 7  
Prompt, changing, 27  
system, 7  
MIB  
Q
getting file for NMS, 20  
getting support for NMS, 2  
support, 65  
Quick Start, 1–2  
R
monitorcommand, 46  
Multimode fiber cabling, 8, 11  
Rack mount installation, 5  
Rcv (Receive) LED, 6  
Redundant configurations, 24  
Remote access, 16  
N
Netmask  
Repeaters  
setting, 32  
cabling for, 9  
SNMP agent for IP, 2, 20  
Network management  
through SNMP, 2, 20  
with Console Manager, 16  
Network topology and samples, 10  
Node address, displaying, 28  
Null-modem cable, 7  
NVRAM save settings, 29  
count limitations, 13  
Resetting the switch  
cold-reset command, 28  
warm-reset command, 28  
Restricting access  
creating custom filters, 24  
creating virtual LANs, 22  
RFC standards supported, 65  
Router for default gateway, 33  
O
S
Out-of-band management  
remote access, 16  
Sample topologies, 10  
Security  
setting to SLIP mode, 29  
Overview, 3  
creating custom filters, 24  
creating virtual LANs, 22  
76  
 
I
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Intel Express 100BASE-TX Switching Hub  
Segment  
SNMP  
connecting to 10 Mbps, 12  
each port is one segment, 5  
recommendations, 5  
configuring agent, 20  
diplaying software version, 28  
displaying IP address, 31  
displaying object ID, 28  
LED, 7  
Servers connect 10 Mbps segments, 12  
set-authcommand, 36  
set-bootpcommand, 32  
set-br-fwdelcommand, 48  
set-br-hellotcommand, 48  
set-br-maxagecommand, 47  
set-br-priocommand, 47  
set-commcommand, 36  
specifying BOOTP parameter file, 30  
support, 65  
Spanning tree  
configuring, 24  
default settings, 62  
other commands, 46  
set-def-ttlcommand, 33  
set-fg-paramcommand, 30  
set-gatewcommand, 33  
set-ipcommand, 31  
Specifications  
address table, 62  
addresses, 62  
boot and configuration, 63  
buffers, 62  
electrical, 64  
environment, 64  
general indicators, 63  
interfaces, 63  
mounting, 64  
network management, 62  
power cord, 64  
set-ip-confcommand, 32  
set-line-slipcommand, 29  
set-lt-agecommand, 41  
set-mon-portcommand, 46  
set-par-filecommand, 30  
set-passwdcommand, 27  
set-port-dplexcommand, 19  
set-port-fctrlcommand, 50  
set-promptcommand, 27  
set-prt-enbcommand, 48  
set-prt-pcostcommand, 48  
set-prt-priocommand, 48  
set-sec-vlancommand, 45  
set-slipcommand, 32  
standards supported, 63  
status indicators, 63  
Standards supported, 63, 65  
start-fgcommand, 30  
stop-fgcommand, 30  
Straight-through cables, 9  
Subnet mask, see Netmask  
Switching database commands, 37  
Switching hub  
set-slip-confcommand, 32  
set-stpcommand, 47  
set-sw-filecommand, 29  
set-vbc-domaincommand, 45  
stop-moncommand, 46  
features, 4  
Quick Start, 1–2  
SLIP connection  
using, 6  
displaying address, 32  
sys-statcommand, 28  
displaying configuration, 32  
setting address, 32  
setting configuration, 32  
T
Technical specifications, 61  
setting mode, 29  
Technical support, inside back cover  
77  
 
I
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Intel Express 100BASE-TX Switching Hub  
Telnet, 16  
Temperature limits, 64  
V
Terminal emulation settings, 16  
TFTP to update EEPROM, 29  
Topology of networks, 10  
Transmit (XMT) LED, 6  
TTL (Time to Live)  
Virtual Broadcast Domains (VBDs), 22, 44  
Virtual LANs (VLANs)  
creating, 22  
other commands, 44  
displaying, 33  
setting, 33  
Twisted-pair (TPE) cabling, 8  
W
warm-resetcommand, 28  
Wide Area Network (WAN) configuration, 11  
U
X
Using the Console Manager, 17–25  
Xmt (Transmit) LED, 6  
78  
 
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