Example 2: Bridging with VLANs

The following example illustrates how to configure transparent bridging with VLANs over a Fast Ethernet interface.

Note: You can also configure transparent bridging with VLANs over a bridged Ethernet interface. For information, see Configuring VLANs over Bridged Ethernet in Configuring Bridged Ethernet.

1. Create the bridge group.

   host1(config)#bridge westford02

2. Create a Fast Ethernet interface.

   host1(config)#interface fastEthernet 2/0

   
3. Create a VLAN major interface by specifying VLAN as the encapsulation method for the interface.

   host1(config-if)#encapsulation vlan

   
4. Create a VLAN subinterface by adding a subinterface number to the interface fastEthernet command.

   host1(config-if)#interface fastEthernet 2/0.1

   
5. Assign a unique VLAN ID to the VLAN subinterface.

   host1(config-if)#vlan id 100

   
6. Configure a subscriber (client) bridge group interface over the VLAN subinterface. Assign the interface to the bridge group you created in Step 1.

   host1(config-subif)#bridge-group westford02

   
7. Exit Subinterface Configuration mode.

   host1(config-subif)#exit

8. (Optional) Configure additional VLAN subinterfaces and bridge group interfaces by repeating Steps 4 through 6, supplying unique values.

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