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Date:      Wed, 19 Oct 2011 16:20:27 -0400
From:      George Neville-Neil <gnn@neville-neil.com>
To:        net@freebsd.org
Subject:   Patch to enable our tcpdump to handle CARP
Message-ID:  <00C1A678-1654-40D2-9ADD-1857C2ECCA04@neville-neil.com>

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Howdy,

I've been trying to debug CARP problems of late. I noticed that our =
tcpdump didn't have CARP
support.  I took and fixed some code from OpenBSD so that our tcpdump =
can work with=20
CARP.  Unlike OpenBSD you have to specify -T carp to read carp packets.  =
In their version
you specify -T VRRP, because they don't like VRRP.  I decided that we =
should go with
what most of the industry cares about rather than what OpenBSD cares =
about.

Patch is here: http://people.freebsd.org/~gnn/tcpdump-carp.diff

Technical comments welcome.

Best,
George




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