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Bridge 2 Vlans in a Catalyst 3750 Switch

We have 2 trunk ports connected to 2 different Servers Additionally we have a couple of clients that belong to each LAN (access port). Assume Server 1 belongs to VLAN 12 and the Second  Server to VLAN 13.

We have a new requirement that suggests both servers to belong to same Broadcast LAN [a new protocol that works using broadcast messages].

Is it possible to bridge the VLAN 12 and 13 on the same switch (no layer3 router) without making changes on the end nodes?

Regards.

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3 REPLIES 3

Re: Bridge 2 Vlans in a Catalyst 3750 Switch

Hi,

If you talking about inter-vlan bridging. Yes it should work fine. You may need to add

#bridge 2 protocol ieee

It's bridge protocol global configuration command to define the type fo STP.


Also I would request you to read the below link to know clear information about VLAN Bridging


Please rate the helpfull posts.
Regards,
Naidu.

Explorer

Re: Bridge 2 Vlans in a Catalyst 3750 Switch

Naidu,

What is the link for VLAN Bridging?

Additionally can you brdidge 2 VLANs using crossover cable on the same switch between 2 access ports?

Regards.

Re: Bridge 2 Vlans in a Catalyst 3750 Switch

Hi,


You might want to check below links:
http://www.cisco.com/en/US/docs/ios/12_1t/12_1t3/feature/guide/dtbridge.html
http://www.cisco.com/en/US/tech/tk389/tk621/technologies_tech_note09186a00800a7af6.shtml

There are some configuration example there.


Also:
http://www.cisco.com/en/US/tech/tk389/tk621/technologies_tech_note09186a00800a7af6.shtml

The second link is about issues that may appear in regard to bridging

Also see the below thread will definetely help you...
https://supportforums.cisco.com/thread/2026541


Please rate the helpfull posts.

Regards,
Naidu.

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