IRB general questions

From: Nathan Chessin (nchessin@cisco.com)
Date: Mon Oct 14 2002 - 02:43:52 GMT-3

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There has been something that should seem obvious that is driving me crazy.

Let's say that we are briding and routing IP on E0 and E1, and they are in
the same bridge group. What does giving the interfaces an IP address do for
you? Does this allow you to route on these interfaces, or does the BVI only
do routing for that bridge group.

Also, if you have two vlans trunking up to E0, done with subinterfaces, and
these subints are in bridge group 1, how are there different vlans in the
same bridge group? Is this a "stupid" question and I am missing something?

I am having trouble conceptualizing this for some reason. Any good links on
IRB out there?

Thanks in advance,

Nate

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