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From: Randy Bush (no email)
Date: Sat Nov 05 2005 - 14:42:28 EST
> 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
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