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Re: Split flows across Domains
From: Robert E.Seastrom <rs () seastrom com>
Date: Tue, 24 Jan 2006 13:09:08 -0500


Joe Abley <jabley () isc org> writes:

On 24-Jan-2006, at 12:07, Robert E.Seastrom wrote:

He said "via two different autonomous domains", which I took to mean
two upstreams... and my understanding is that (on ciscos anyway)
you're talking per-packet, not per-flow load balancing.

If you can get two candidate routes for the same destination into the
FIB, then you'll get per-flow load balancing as long as CEF is
running, no?

Yes and no.  CEF is {src, dst} hash IIRC, and "per-flow" usually means
{src, srcport, dst, dstport, [proto, tos]} hash in my experience.

                                        ---Rob



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