From owner-freebsd-net@FreeBSD.ORG Tue Mar 16 03:30:18 2004 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6F1A316A4D5; Tue, 16 Mar 2004 03:30:18 -0800 (PST) Received: from transport.cksoft.de (transport.cksoft.de [62.111.66.27]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5481F43D41; Tue, 16 Mar 2004 03:30:10 -0800 (PST) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from transport.cksoft.de (localhost [127.0.0.1]) by transport.cksoft.de (Postfix) with ESMTP id AE2AC1FFDDC; Tue, 16 Mar 2004 12:30:08 +0100 (CET) Received: by transport.cksoft.de (Postfix, from userid 66) id 96CB21FFDD4; Tue, 16 Mar 2004 12:30:06 +0100 (CET) Received: by mail.int.zabbadoz.net (Postfix, from userid 1060) id 96D6C154D8; Tue, 16 Mar 2004 11:29:45 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mail.int.zabbadoz.net (Postfix) with ESMTP id 8C037154D7; Tue, 16 Mar 2004 11:29:45 +0000 (UTC) Date: Tue, 16 Mar 2004 11:29:45 +0000 (UTC) From: "Bjoern A. Zeeb" X-X-Sender: bz@e0-0.zab2.int.zabbadoz.net To: Andre Oppermann In-Reply-To: <4056D84C.514EC45C@freebsd.org> Message-ID: References: <20040316125335.5f64cac5@dwarf.demos.su> <20040316131256.015a082d@dwarf.demos.su> <4056D84C.514EC45C@freebsd.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Virus-Scanned: by AMaViS cksoft-s20020300-20031204bz on transport.cksoft.de cc: freebsd-net@freebsd.org cc: Zherdev Anatoly Subject: Re: Problem with closing tcp session between cisco and freebsd X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Mar 2004 11:30:18 -0000 On Tue, 16 Mar 2004, Andre Oppermann wrote: > Zherdev Anatoly wrote: > > > > On Tue, 16 Mar 2004 10:59:06 +0100 > > Andre Oppermann wrote: > > > > > Zherdev Anatoly wrote: > > > > > > > > Hello. > > > > > > > > I have problem with tcp session close between cisco and freebsd > > > > Looks like that it bug in freebsd tcp stack. > > > > > > What version of FreeBSD and Cisco IOS do you run on these machines? > > > > OOPS. Sorry :( > > > > FreeBSD 4.9-STABLE cvsupped March 3 > > Cisco IOS 12.2.19a ip only Cisco 5300 > > Do you know when it was working correctly the last time? Do you have > another machine (4.9R or lower, or 5.2 or 5.C) to test against? On > March 2 the commit of the TCP segment reassembly queue limiter has > been done but that does not change TCP processing otherwise in any > way. A month ago the TCP-MD5 stuff has been committed. A year ago > there have been some NewReno fixes. > > So no obvious suspect. Before digging deep into the code its better > to have some more surrounding information. Another question: any packet filters in between ? -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT 56 69 73 69 74 http://www.zabbadoz.net/