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Product Number: WS-X5305(=)
This configuration note describes how to install and configure the Catalyst 5000 Series Layer 3-fabric integration module.
This document consists of these sections:
The Layer 3-fabric integration module seamlessly integrates the Catalyst 5500 switching fabric and the Catalyst 8510 Campus Switch Router (CSR) switching fabric in a Catalyst 5500 chassis.
The module consists of eight external 100BaseFX Fast Ethernet ports and four 100-Mbps internal interfaces that integrate the Catalyst 5500 switching backplane to the Catalyst 8510 CSR switching backplane. The module can be installed in slots 9 through 12 in the Catalyst 5500 switch to bridge the two backplanes.
The eight external Fast Ethernet ports function exactly as any other Catalyst 5000 series 100BaseFX Fast Ethernet multimode fiber (MMF) ports. When the fabric integration module is installed in slots 9 through 12 of the Catalyst 5500 chassis, these eight ports function normally regardless of whether there is a Catalyst 8510 CSR Switch Route Processor (SRP) installed in slot 13.
By default, the four internal interfaces are configured as a Fast EtherChannel Inter-Switch Link (ISL) virtual LAN (VLAN) trunk that provides an 800-Mbps (400-Mbps full-duplex) link between the Catalyst 5500 switch and the Catalyst 8510 CSR switch.
To achieve connectivity between the two switches, you must configure a port-channel interface on the Catalyst 8510 CSR switch and group the four internal interfaces to that port-channel interface. You must then configure subinterfaces on the port-channel interface. Configure a subinterface for each VLAN configured on the Catalyst 5500 switch. For each subinterface, you must specify ISL encapsulation and assign an IP address and subnet mask.
Frames originating on the Catalyst 5500 switch backplane are forwarded across the trunk link to the subinterfaces that you configure. Traffic is routed between VLANs (subinterfaces) as appropriate. Frames originating on the Catalyst 8510 CSR are forwarded across the trunk link to the Catalyst 5500 switch where they are switched as appropriate.

This module has one STATUS LED, which provides status information about the module, and one LINK LED for each of the eight external Ethernet port connections. The LEDs, shown in Figure 2 are described in Table 1.

| LED | Description |
|---|---|
STATUS | The switch performs a series of self-tests and diagnostic tests. |
LINK | If the port is operational (a signal is detected), the LED is green. |
These hardware and software restrictions apply when using the Layer 3-fabric integration module:
These sections describe the standards compliance and specifications for the Layer 3-fabric integration module:
Layer 3-fabric integration modules, when installed in a Catalyst 5500 system, comply with the standards listed in Table 2.
| Specification | Description |
|---|---|
Compliance: | CE Marking |
| |
| FCC6 Class A (47 CFR, Part 15), EN 55022 Class A, and VCCI7 Class A with UTP8 cables EN 55022 Class B; CISPR22 Class B, AS/NZS 3590 Class B, and VCCI Class B with STP9 cables |
Table 3 lists the specifications for the Layer 3-fabric integration module.
| Specification | Description |
|---|---|
Dimensions (L x W x D) | 1.18 x 15.51 x 16.34 in. (30 x 394 x 415 mm) |
Weight | Minimum: 3 lb (1.36 kg) |
Environmental Conditions: |
|
| 32 to 104° F (0 to 40° C) |
| -40 to 167° F (-40 to 75° C) |
| 10 to 90%, noncondensing |
Connectors | 8 SC-type connectors |
Safety warnings appear throughout this note in procedures that, if performed incorrectly, may harm you. A warning symbol precedes each warning statement.
![]() | Warning This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. To see translations of the warnings that appear in this publication, refer to the appendix "Translated Safety Warnings" in the Catalyst 5000 Series Module Installation Guide. |
Use the following guidelines to ensure your safety and protect the equipment. This list does not include all potentially hazardous situations during installation, so be alert.
![]() | Warning Only trained and qualified personnel should install or replace this equipment. |
![]() | Warning Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals. |
![]() | Warning Ultimate disposal of this product should be handled according to all national laws and regulations. |
When working with electrical equipment, exercise these basic safety guidelines:
![]() | Warning Do not work on the system or connect or disconnect cables during periods of lightning activity. |
Use the following safety rules when working with any equipment that is disconnected from a power source but still connected to telephone wiring or other network cabling:
Electrostatic discharge (ESD) damage occurs when electronic boards or components are improperly handled. ESD can result in complete or intermittent failures of electronic components. Guidelines for preventing ESD damage are as follows:
![]() | Caution For safety, periodically check the resistance value of the antistatic strap. The measurement should be between 1 and 10 megohms (Mohms). |
All Catalyst 5000 series switches support hot swapping, which lets you install, remove, replace, and rearrange switching modules without turning off the system power. When the system detects that a switching module has been installed or removed, it runs diagnostic and discovery routines automatically, acknowledges the presence or absence of the module, and resumes system operation with no operator intervention.
![]() | Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. |
You need a flat-blade screwdriver to remove any filler (blank) switching modules and to tighten the captive installation screws that secure the modules in their slots. Whenever you handle switching modules, you should use a wrist strap or other grounding device to prevent ESD damage. See the "Preventing Electrostatic Discharge Damage" section.
All Catalyst 5000 series switching modules, including the Layer 3-fabric integration module, are installed in horizontal slots that are numbered from top to bottom. Figure 3 shows module placement in the Catalyst 5500 chassis. The fabric integration module must be installed in slots 9 through 12.

To install a Layer 3-fabric integration module in a Catalyst 5500 series switch, perform these steps:
![]() | Caution To prevent ESD damage, handle switching modules by the carrier edges only. |
Step 1 Take the necessary precautions to prevent ESD damage, as described in the "Preventing Electrostatic Discharge Damage" section.
Step 2 Choose a slot for the new switching module. Ensure that there is enough clearance to accommodate any interface equipment that you will connect directly to the fabric integration module ports. If possible, place switching modules between empty slots that contain only switching-module filler plates.
Step 3 Loosen the captive installation screws securing the switching-module filler plate (or the existing switching module) to the desired slot.
Step 4 Remove the switching-module filler plate (or the existing switching module). Save the switching-module filler plate for future use.
Step 5 To install the new module, hold the switching-module handle with one hand, and place your other hand under the carrier to support the switching module, as shown in Figure 4. Do not touch the printed circuit boards or connector pins.
Step 6 Align the edges of the switching module carrier with the slot guides on the sides of the switch chassis, as shown in Figure 4.

Step 7 Pivot the two module ejector levers out away from the faceplate as shown in Figure 4.
Step 8 Carefully slide the fabric integration module into the slot until the notches on both ejector levers engage the chassis sides.
Step 9 Using the thumb and forefinger of each hand, simultaneously, pivot in both ejector levers, as shown in Figure 5, to fully seat the module in the backplane connector.

![]() | Caution Always use the ejector levers when installing or removing modules. A module that is partially seated in the backplane will cause the system to halt and subsequently crash. |
Step 10 Use a screwdriver to tighten the captive installation screws on each end of the module faceplate.
Step 11 Attach network interface cables or other devices to the interface ports.
To check the status of the installed module, enter the show module [mod_num] command to verify that the system has acknowledged the new module and has brought it online.
This example shows the output of the show module command, with the Layer 3-fabric integration module (WS-X5305) installed in slot 9:
Console> (enable) show module Mod Module-Name Ports Module-Type Model Serial-Num Status --- ------------------- ----- --------------------- --------- --------- ------- 1 2 100BaseFX MMF Supervi WS-X5530 006839465 ok 2 16 Token Ring WS-X5030 009000058 ok 9 12 100BaseFX MM Ethernet WS-X5305 000000001 ok Mod MAC-Address(es) Hw Fw Sw --- -------------------------------------- ------ ---------- ----------------- 1 00-e0-1e-98-66-00 to 00-e0-1e-98-69-ff 1.1 3.1.2 4.1(0.51-Eng) 2 00-10-54-81-85-88 to 00-10-54-81-85-9f 1.0 1.1 4.1(0.51) 9 00-e0-1e-38-4a-64 to 00-e0-1e-38-4a-6f 1.0 1.0 1.0 Mod Sub-Type Sub-Model Sub-Serial Sub-Hw --- -------- --------- ---------- ------ 1 EARL 1+ WS-F5520 0006830769 0.507 1 uplink WS-U5531 0005758087 0.0
The eight external 100BaseFX Fast Ethernet ports of the fabric-integration module (ports 1-8) have the same default configuration as all Catalyst 5000 series Fast Ethernet ports. Table 4 shows the default configuration for the Layer 3-fabric integration module external 100BaseFX Fast Ethernet interfaces.
| Feature | Default Value |
|---|---|
Port enable state | All ports are enabled |
Port name | None |
Port priority | Normal |
Duplex mode | auto |
Spanning-Tree Protocol | Enabled for VLAN 1 |
Native VLAN | VLAN 1 |
Port VLAN cost | Port VLAN cost of 19 for 100-Mbps Fast Ethernet ports |
Fast EtherChannel | auto |
Table 5 shows the Catalyst 5500 default configuration for the Layer 3-fabric integration module internal interfaces.
| Feature | Default Value |
|---|---|
Port enable state | All ports enabled |
Port name | None |
Port priority | Normal |
Duplex mode | Full-duplex |
Native VLAN | VLAN 1 |
Port VLAN cost | 19 |
Fast EtherChannel | Enabled (four-port bundle) |
Trunking | isl encapsulation, nonegotiate mode |
Allowed VLAN range | 1-1000 |
Table 6 shows the Catalyst 8510 CSR default configuration for the fabric integration module internal interfaces.
| Feature | Default Value |
|---|---|
Fast EtherChannel |
|
These sections describe how to configure the Layer 3-fabric integration module:
You can configure the eight external 100BaseFX Fast Ethernet ports on the Layer 3-fabric integration module exactly as you configure any Fast Ethernet port on the Catalyst 5000 series switches.
For information on configuring Fast Ethernet ports, refer to the Catalyst 5000 Series Software Configuration Guide.
![]() | Caution Changing the default configuration of the internal interfaces from the Catalyst 5500 command-line interface (CLI) without making the appropriate adjustments from the Catalyst 8510 CSR CLI can cause problems. Make sure that when you make configuration changes to the internal interfaces that you make the proper changes on both the Catalyst 5000 and the Catalyst 8510 CSR. |
The default Catalyst 5000 configuration for the four internal interfaces should be adequate for most situations. The interfaces form a full-duplex Fast EtherChannel ISL trunk link between the Catalyst 5500 and the Catalyst 8510 CSR switches.
For information on changing the default configuration of the internal interfaces, refer to the Catalyst 5000 Series Software Configuration Guide.
To configure interVLAN routing on the internal interfaces of the Layer 3-fabric integration module, you must first connect to the Catalyst 8510 CSR CLI through the console port or via Telnet.
These sections describe how to configure interVLAN routing on the fabric integration module internal interfaces. You must perform these configuration tasks in the order they appear.
1. Creating a Port-Channel Interface
2. Grouping the Internal Interfaces to the Port-Channel Interface
Before you can configure interVLAN routing on the internal interfaces, you must configure a port-channel interface on which you will create a subinterface for each VLAN for which you want to route traffic. A port-channel interface is a logical interface into which you group physical interfaces to form a single logical link.
To create a port-channel interface on the Catalyst 8510 CSR, perform this task:
| Task | Command |
|---|---|
Step 1 Enter privileged mode. | enable |
Step 2 Enter configuration mode. | configure terminal |
Step 3 Create a port-channel interface (valid interface_number range is 1-4). | interface port-channel interface_number |
Step 4 Exit configuration mode. | ^Z |
Step 5 Verify the port-channel interface configuration. | show interface port-channel interface_number |
Step 6 Save the changes to NVRAM. | write memory |
This example shows how to create a port-channel interface on the Catalyst 8510 CSR and how to verify the configuration:
Switch>enable
Password:
Switch#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#interface port-channel 1
Switch(config-if)#^Z
Switch#show interface port-channel 1
Port-channel1 is down, line protocol is down
Hardware is FEChannel, address is 0000.0000.0000 (bia 0000.0000.0000)
MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, rely 255/255, load 1/255
Encapsulation ARPA, loopback not set, keepalive set (10 sec)
Half-duplex, Unknown Speed
ARP type: ARPA, ARP Timeout 04:00:00
No. of active members in this channel: 0
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Queueing strategy: fifo
Output queue 0/40, 0 drops; input queue 0/300, 0 drops
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 watchdog, 0 multicast
0 input packets with dribble condition detected
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
Switch#write memory
Building configuration...
Switch#
To configure interVLAN routing on the fabric integration module port-channel interface, perform this task:
| Task | Command |
|---|---|
Step 1 Enter configuration mode. | configure terminal |
Step 2 Enter interface configuration mode for the first fabric integration module internal interface. | interface fastethernet slot/0/interface |
Step 3 Associate the internal interface with the port-channel interface you created. | channel-group port_channel_interface_number |
Step 4 Exit interface configuration mode. | exit |
Step 5 Repeat Step 3, Step 4, and Step 5 to associate the remaining internal interfaces with the port-channel interface you created. |
|
Step 6 Exit configuration mode. | ^Z |
Step 7 Save the changes to NVRAM. | write memory |
This example shows how to group the four internal interfaces to a port-channel interface (the fabric integration module is installed in slot 10 of the Catalyst 5500 switch chassis):
Switch#configure terminal Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#interface fastethernet 10/0/0 Switch(config-if)#channel-group 1 Switch(config-if)#exit Switch(config)#interface fastethernet 10/0/1 Switch(config-if)#channel-group 1 Switch(config-if)#exit Switch(config)#interface fastethernet 10/0/2 Switch(config-if)#channel-group 1 Switch(config-if)#exit Switch(config)#interface fastethernet 10/0/3 Switch(config-if)#channel-group 1 Switch(config-if)#^Z Switch#write memory Building configuration... Switch#
InterVLAN routing is achieved by configuring subinterfaces on the port-channel interface, one for each VLAN between which you want to route.
To configure interVLAN routing on the fabric integration module port-channel interface, perform this task:
| Task | Command |
|---|---|
Step 1 Enter configuration mode. | configure terminal |
Step 2 Create a subinterface on the port-channel interface you created. | interface port-channel interface.subinterface |
Step 3 Associate the subinterface with a VLAN (this VLAN typically exists already on the Catalyst 5500 switch). | encapsulation isl vlan_id |
Step 4 Assign an IP address and subnet mask to the subinterface. | ip address ip_addr subnet_mask |
Step 5 Exit interface configuration mode. | exit |
Step 6 Repeat Step 3, Step 4, and Step 5 to create and configure additional subinterfaces on the fabric integration module port-channel interface. Configure one subinterface for each VLAN for which you want to route traffic. |
|
Step 7 Exit configuration mode. | ^Z |
Step 8 Verify the configuration for each subinterface. | show interface port-channel interface.subinterface |
Step 9 Save the changes to NVRAM. | write memory |
This example shows how to create three subinterfaces on the port-channel interface, configure them for interVLAN routing (VLANs 1, 2, and 3), and verify the configuration:
Switch#configure terminal Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#interface port-channel 1.1 Switch(config-subif)#encapsulation isl 1 Switch(config-subif)#ip address 172.20.52.33 255.255.255.224 Switch(config-subif)#exit Switch(config)#interface port-channel 1.2 Switch(config-subif)#encapsulation isl 2 Switch(config-subif)#ip address 172.20.52.65 255.255.255.224 Switch(config-subif)#exit Switch(config)#interface port-channel 1.3 Switch(config-subif)#encapsulation isl 3 Switch(config-subif)#ip address 172.20.52.97 255.255.255.224 Switch(config-subif)#^Z Switch#show interface port-channel 1.1 Port-channel1.1 is up, line protocol is up Hardware is FEChannel, address is 0000.0000.0000 (bia 0000.0000.0000) Internet address is 172.20.52.33/27 MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, rely 255/255, load 1/255 Encapsulation ISL Virtual LAN, Color 1. ARP type: ARPA, ARP Timeout 04:00:00 Switch#show interface port-channel 1.2 Port-channel1.2 is up, line protocol is up Hardware is FEChannel, address is 0000.0000.0000 (bia 0000.0000.0000) Internet address is 172.20.52.65/27 MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, rely 255/255, load 1/255 Encapsulation ISL Virtual LAN, Color 2. ARP type: ARPA, ARP Timeout 04:00:00 Switch#show interface port-channel 1.3 Port-channel1.3 is up, line protocol is up Hardware is FEChannel, address is 0000.0000.0000 (bia 0000.0000.0000) Internet address is 172.20.52.97/27 MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, rely 255/255, load 1/255 Encapsulation ISL Virtual LAN, Color 3. ARP type: ARPA, ARP Timeout 04:00:00 Switch#write memory Building configuration... Switch#
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 users will be required to correct the interference at their own expense.
You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:
Modifications to this product not authorized by Cisco Systems could void the FCC approval and negate your authority to operate the product.
The following documents are available for the Catalyst 5000 series switch:
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Posted: Wed Jun 16 16:17:11 PDT 1999
Copyright 1989-1999©Cisco Systems Inc.