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Community Member

Bridging vlan

Hi,

I have the following scenario:

Switch -Trunk- Layer3 Switch which connects to another router “RouterB” on FE with no IP addresses

Certain vlans from the switch carried over the trunk are terminated on Layer3 Switch, however I want to bridge vlan 100 across to RouterB where it will be terminated.

How do I do this?

2 REPLIES
Hall of Fame Super Silver

Re: Bridging vlan

Hello Hadi,

depending on the model of L3 switch you could be able to use L2Tpv3.

vlan based 802.1Q you can decide on a per vlan basis if you want to terminate or to transport to the other side

http://www.cisco.com/en/US/docs/ios/12_3t/12_3t2/feature/guide/gtl2tpv3.html#wp1043064

between two switches you can also think to use 802.1q tunneling but you would need a dedicated interface for vlans to be carried between the two sites

Hope to help

Giuseppe

Community Member

Re: Bridging vlan

Thanks for your help Giuseppe, The L3 Switch we use is 6524 that is connected to a 2811ISR.

BTW Isn't there an easier way to do this instead of configuring L2TP? It seems a bit complex for transporting a vlan across a router.

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