Subject: Re: [rbridge] VLAN mapping anonmolies...does anyone care?

From: Anil Rijhsinghani <[email-masked]>
Date: Fri, 18 Dec 2009 10:08:47 -0500

Donald,

> If you want to divide an RBridge campus into
> multiple campuses, putting layer-3 routers between them seems like the best
> way. If you want to divide an RBridge campus into
> multiple campuses, putting layer-3 routers between them seems like the best
> way. Having multiple layer 2 connections between two or more different
> RBridge campuses, for example by using different Areas in violation of the
> base protocol specification, is fraught with peril and likely to lead to
> loops, etc. See the thread on "area addr question" at
> http://www.postel.org/pipermail/rbridge/2009-December/thread.html for a
> little more discussion of this.

I was thinking of the case when you want those campuses to be connected at L2 rather than L3, but only for a couple VLANs. However I understand and agree with your point regarding danger of loops, hence we probably don't want to address the isolation issue.

Regards,
Anil

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