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Date:      Wed, 12 Apr 2006 12:16:15 -0700 (PDT)
From:      Cheng Jin <chengjin@cs.caltech.edu>
To:        freebsd-net@freebsd.org
Subject:   6.0 + intel em + mysterious gratuitous ARPs
Message-ID:  <Pine.LNX.4.60.0604121207580.26346@orchestra.cs.caltech.edu>

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Hi,

I am running the 6.0 release on a supermicro 5015M-MF motherboard
with intel's 82573v dual gigE.  by default only one of the two
ports are detected, although i was able to get both to work following
the advice here
http://www.freebsd.org/cgi/query-pr.cgi?pr=94281

the real puzzling thing is that em0 would send out a gratuitous arp
every 2 seconds with the IP address of 192.168.0.18 even though I
configured it to have a completely different IP address, 10.10.10.252.
also, i was only able to see these arp messages on a machine that
is directly connected to em0.  tcpdump on em0 doesnt show any
of the arp packets.

I searched my /etc and also the kernel source tree, and this
particular ip is nowhere to be found.  Is the card doing this crazy
thing all by itself??

Thanks!

Cheng



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