I forgot to add this isn't specific to the em driver, as I use the lnc.
Also, it's not a problem all the time, only sometimes the boxes fail to
send out Gratuitous ARP packets. I have verified by capturing packets and
trying to readd an alias a short period after the failure.
Colin
----- Forwarded by Colin Farley/COMPUBank on 11/14/2005 02:54 PM -----
Colin
Farley/COMPUBank
To
11/14/2005 02:51 David Kirchner <dpk@dpk.net>
PM cc
freebsd-stable@freebsd.org, "Marc
G. Fournier" <scrappy@hub.org>
Subject
Re: em devices not sending proper
arp packets ...(Document link:
Colin Farley)
I have this same problem on some production servers running
4.10-RELEASE-p16. My work around is to set the arp cache timeout on our
2811 router to 10 seconds.
Colin
David Kirchner
<dpk@dpk.net>
Sent by: To
owner-freebsd-sta "Marc G. Fournier"
ble@freebsd.org <scrappy@hub.org>
cc
freebsd-stable@freebsd.org
11/14/2005 02:40 Subject
PM Re: em devices not sending proper
arp packets ...
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
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