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Date: Mon, 14 Nov 2005 12:40:47 -0800
From: David Kirchner <dpk@dpk.net>
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Cc: freebsd-stable@freebsd.org
Subject: Re: em devices not sending proper arp packets ...
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On 11/14/05, David Kirchner <dpk@dpk.net> wrote:
> We've had this problem too. Some have suggested turning on "portfast"
> on the Cisco switches, but that doesn't resolve it. It causes severely
> long delays when doing net installs (sysinstall has a very long retry
> time for DNS lookups, measured in minutes). Ultimately the problem is
> that the driver changed some time in the 4 branch (we think it was
> between 4.1 and 4.2 or 4.2 and 4.3)

Sorry to reply to myself here, I forgot to add: The problem is still
present in 6.0-RELEASE, and can be seen while running sysinstall.
Haven't tried 6.0-STABLE (can't get -RELEASE to install due to
unrelated bug bin/88872). According to cvsweb, 6.0-RELEASE has the
latest Intel driver.

Also: The bug you're seeing may be unrelated to the bug I was seeing,
but I suspect they may be similar. Arps just don't seem to be going
out like they should