From: Tim Fletcher (tim@fletchmail.net)
Date: Mon Oct 14 2002 - 12:45:08 GMT-3
Nathan,
When bridging IP you shouldn't assign IP addresses to the interfaces in
the bridge group. I remember reading some time ago that it does work in
some cases (I don't remember the details, but I think it had something to
do with the way BVI mac addresses are assigned),however only the BVI
should have an address.
Bridging between VLANs is no different than bridging between physical
interfaces. Just like you could bridge between 2 physical interfaces
connected to differnt VLANs on a switch, you can bridge between 2 VLANs
on a trunk.
HTH
-tim
On Sun, 13 Oct 2002, Nathan Chessin wrote:
> 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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