[86459] in North American Network Operators' Group
Re: oh k can you see
daemon@ATHENA.MIT.EDU (Randy Bush)
Sat Nov 5 18:44:33 2005
From: Randy Bush <randy@psg.com>
Date: Sat, 5 Nov 2005 09:42:28 -1000
To: Chris Woodfield <rekoil@semihuman.com>
Cc: Sabri Berisha <sabri@cluecentral.net>, nanog@nanog.org
Errors-To: owner-nanog@merit.edu
> Maybe I'm missing something, but the core issue is that the NO-
> EXPORT'ed anycast instance has a higher localpref inside the AS it's
> being advertised to, and as such supressing the non-NO_EXPORT'ed
> prefix. The "exportable" prefix gets suppressed at a point on the
> network such that the peering routers never see it, so it never makes
> it out of that AS.
it willl lose the best path war at the point it is down-preffed.
if that is done at the entrance, then the route is useless. if it
is done at some intermediate points, it's hell to create and
maintain a consistent net-wide config.
randy
