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Why Bridge group on cisco routers

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May 30th, 2006
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Can anybody tell me why do we use bridge group on routers. I have read from many different sites, their is no clarity on that.


Can we enable ip routing and access-list if we implement bridge group

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leonvd79 Tue, 05/30/2006 - 23:29
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If you have protocols that cannot be routed you can use a bridge group.


If you want to extend a LAN over a point-to-point WAN link (without routing, which requires different IP Subnet) you can use a bridge group to "bridge" the traffic over the link to the remote location.


IP access-lists do not have effect on bridged traffic. In that case you need to use mac access-lists to prevent traffic from being forwarded. It is possible to both bridge and route traffic, to do this I recommend you to read the documention on transparent bridging, Integrated Routing and Bridging (IRB) and Concurrent Routing and Briding (CRB).


HTH


--Leon

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