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Re: looping traceroutes
From: Nick Feamster <feamster () lcs mit edu>
Date: Wed, 19 Sep 2001 17:46:14 -0400 (EDT)



Do you think that it can be a real persistent routing loop (data packets
would actually shuttle between the two interfaces) as against some
wierdness because of traceroute?

Seems like a persistent routing loop.  One possibility I've
heard about is the persistent routing loops that can occur if an internal
router is not situated topologically close to its BGP route reflector:

http://www.globecom.net/ietf/draft/draft-dube-route-reflection-harmful-00.html

Does anyone have any idea of if/how often these types of persistent loops
occur in practice?  I guess there would be no way to really tell if this
was the cause without having some knowledge about the internal topology...

Nick


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