Wednesday, October 8, 2008

IP Bridging

In this scenario two hosts belong to the same IP subnet but are assigned to 2 seperate VLANS: vlan 16 and vlan 36. I implement IP bridging to enable connectivity between the hosts.

On R6 I configure the following:-

1) configure the bridge group and enable ip routing

bridge 1 protocol ieee
bridge 1 route ip

2) assign the interfaces to the bridge group

config-if# bridge group 1

3) enable Intergrated Routing and Bridging (IRB)
bridge irb

4) create the bridge virtual interface and assign an ip address
#int bvi 1
config-if# ip address

I can now ping, and from all routers.

Cisco Doc link

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