From: Stefan Traby <stefan@hello-penguin.com>
To: Andi Kleen <ak@suse.de>
Cc: Dave <daveo@osdn.com>, linux-kernel@vger.kernel.org
Subject: Re: bizarre TCP behavior
Date: Sat, 14 Apr 2001 14:12:08 +0200 [thread overview]
Message-ID: <20010414141208.A31782@stefan.sime.com> (raw)
In-Reply-To: <Pine.LNX.4.33.0104101809190.1468-100000@meatloop.andover.net> <20010411022142.A28926@gruyere.muc.suse.de>
In-Reply-To: <20010411022142.A28926@gruyere.muc.suse.de>; from ak@suse.de on Wed, Apr 11, 2001 at 02:21:42AM +0200
On Wed, Apr 11, 2001 at 02:21:42AM +0200, Andi Kleen wrote:
> Try echo 0 > /proc/sys/net/ipv4/tcp_ecn
> If it helps complain to the sites that their firewall is broken.
Not always firewall related.
There are companies like Zyxel that ship broken router
too.
For example the Zyxel 681 SDSL-Router breaks ECN by
stripping 0x80 (ECN Cwnd Reduced) but not 0x40 (ECN Echo)
(TOS bits) on all SYN packets (!).
I complained because of this two times more than a month ago
but they do not even respond.
I do not know if they are unable or just unwilling to fix it;
maybe they just unable to read RFC's.
--
ciao -
Stefan
next prev parent reply other threads:[~2001-04-14 12:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-10 22:24 bizarre TCP behavior Dave
2001-04-10 22:56 ` Gregory Maxwell
2001-04-10 23:01 ` Dave
2001-04-11 0:21 ` Andi Kleen
2001-04-11 0:35 ` Mike Castle
2001-04-11 1:06 ` Andi Kleen
2001-04-14 12:12 ` Stefan Traby [this message]
2001-04-14 14:27 ` Alan Cox
2001-04-14 22:54 ` Dan Hollis
2001-04-20 9:36 ` Stefan Traby
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