From: Andrew Morton <akpm@osdl.org>
To: Michael Buesch <fsdeveloper@yahoo.de>
Cc: linux-kernel@vger.kernel.org, linux-net@vger.kernel.org
Subject: Re: Ethernet falls into deep sleep.
Date: Mon, 28 Jul 2003 13:07:19 -0700 [thread overview]
Message-ID: <20030728130719.33e14be6.akpm@osdl.org> (raw)
In-Reply-To: <200307281323.47013.fsdeveloper@yahoo.de>
Michael Buesch <fsdeveloper@yahoo.de> wrote:
>
> I've a problem with my server/router, that I've seen on
> various kernels. currently I'm running 2.4.21, but I've
> seen the problem on 2.4.20 and 2.5.70, too.
> I'm using a 3com 3c509 ISA ethernet card.
>
> When this server stays a longer time (about one night, 12 hours)
> without network-traffic, it seems like the whole network-interface
> falls into a very deep sleep. It's very hard to wake the machine
> up.
This could be a router problem: some routers (Cisco?) decide that a host has
died if no traffic has been seen for a long time. Google for "vortex
sleepy nic" for some discussion.
I haven't seen any reports of this in a looong time. IIRC it was worked
around by pinging some remote host once per minute.
next prev parent reply other threads:[~2003-07-28 20:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-28 11:23 Ethernet falls into deep sleep Michael Buesch
2003-07-28 20:07 ` Andrew Morton [this message]
2003-07-28 20:37 ` Michael Buesch
2003-07-28 11:39 Hen, Shmulik
2003-07-28 16:28 ` Michael Buesch
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