[99183] in North American Network Operators' Group
Re: Route table growth and hardware limits...talk to the filter
daemon@ATHENA.MIT.EDU (Russ White)
Sat Sep 8 18:14:46 2007
Date: Sat, 08 Sep 2007 18:13:30 -0400
From: Russ White <riw@cisco.com>
To: Forrest <forrest@almighty.c64.org>
CC: nanog@nanog.org
In-Reply-To: <Pine.LNX.4.44.0709081644360.14686-100000@almightyc64-mail2.dyndns.org>
Errors-To: owner-nanog@merit.edu
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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-00.txt
As a matter of fact.
:-)
Russ
- --
riw@cisco.com CCIE <>< Grace Alone
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