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Subject: Re: network regression using 2.6.8.x behind Cisco 1712
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: =?iso-8859-2?Q?Ond=F8ej_Sur=FD?= <ondrej@sury.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Date: Wed, 18 Aug 2004 18:25:14 +0100
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On Mer, 2004-08-18 at 09:20, Ondřej Surý wrote:
> It could be some bug in IOS, but it is triggered by some change between
> 2.6.7 and 2.6.8.  Any hints what should I try or where to look?
> I could try some -pre and -rc kernel to locate where this was
> introduced, but at least try to hint me which version should be
> considered, I am not so willing to compile all -preX and -rcX, but could
> do that if neccessary to hunt this regression.

echo "0" >/proc/sys/net/ipv4/tcp_window_scaling see if that helps. If so
then suspect somehting like the cisco or upstream router.