BGP Communities

Robert Baxter rob at
Mon Nov 19 07:24:08 UTC 2007

This may be of use to you.


-----Original Message-----
From: owner-nanog at [mailto:owner-nanog at] On Behalf Of
James Blessing
Sent: Monday, November 19, 2007 1:18 AM
To: nanog at
Subject: BGP Communities


Following up on the thread about BGP communities, I was wondering if
there is a guide on how to actually implement communities within a

There are a couple of presentations about why communities are good and
about the general design of communities but my googlefu has so far not
found a "Here is how to deploy Communities" guide that takes into
account the important things like configuration maintenance, how to
scale and what mistakes not to make.

We are a Cisco house so any Cisco specific documentation would be great
but any guide right now would be a start.

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