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Maybe this is a dumb question, but why isn't there a BGP option to just filter more specific routes that have the same AS path as the larger aggregate? This would allow the networks that announce more specifics for traffic engineering to still accomplish that, while throwing away the garbage from someone else that decides to announce their /19 as 33 routes for no apparent reason. Sure, this would fail if a network decided to only announce /24's for example without a larger aggregate, but how many networks are really doing that?
http://www3.ietf.org/proceedings/03nov/I-D/draft-grow-bounded-longest-match-... As a matter of fact. :-) Russ - -- riw@cisco.com CCIE <>< Grace Alone -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFG4x6KER27sUhU9OQRAs/ZAJ9LARtnoo7YUshwBCuGyj/fVO7MJACg/2AI Qe6P+ImcLKnan97HlwmYVjQ= =zgmF -----END PGP SIGNATURE-----