nanog mailing list archives

RE: Confussion over multi-homing


From: Alex Pilosov <alex () pilosoft com>
Date: Fri, 15 Sep 2000 18:31:03 -0400 (EDT)


On Fri, 15 Sep 2000, Dmitri Krioukov wrote:

2. It only protects you from failure of a link from you to upstream, not
from upstream losing their connectivity, power, or flapping like crazy and
getting dampened. In my experience, latter happened more often than first.
:)

note that "non-direct ebgp" peering on the picture can actually be between
e-br-a and *any* router in isp-b, not necessarily isp-br-b. this way your
real problem 2 is solved.

Not really. If the 'internet defaultless core' routers drop the route to
ISP-B, then you are still completely screwed.

-alex





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