[47762] in North American Network Operators' Group
Re: BGP and aggregation
daemon@ATHENA.MIT.EDU (Ralph Doncaster)
Sun May 12 21:31:47 2002
Date: Sun, 12 May 2002 21:31:54 -0400 (EDT)
From: Ralph Doncaster <ralph@istop.com>
To: Stephen Griffin <stephen.griffin@rcn.com>
Cc: Andy Walden <andy@tigerteam.net>,
"nanog@merit.edu" <nanog@merit.edu>
In-Reply-To: <200205122231.SAA28682@elektra.ultra.net>
Message-ID: <Pine.LNX.4.21.0205122127360.28499-100000@cpu1693.adsl.bellglobal.com>
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Errors-To: owner-nanog-outgoing@merit.edu
> BGP will discard any prefix with its own AS in the path, for loop
> prevention. Hence, one half of the AS would still be unable to
> reach the other half. This is why a partitioned AS is a failure
> condition. A tunnel is a means to keep the AS nonpartitioned.
I was thinking of doing iBGP over my transit connections (with a couple
of static routes so the iBGP works) AND over my inter-city circuit. Any
reason why this won't work?
-Ralph