From owner-freebsd-net@FreeBSD.ORG Thu May 8 13:57:17 2003 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 E77B237B401 for ; Thu, 8 May 2003 13:57:17 -0700 (PDT) Received: from relay.pair.com (relay.pair.com [209.68.1.20]) by mx1.FreeBSD.org (Postfix) with SMTP id C1C8B43FAF for ; Thu, 8 May 2003 13:57:16 -0700 (PDT) (envelope-from silby@silby.com) Received: (qmail 67116 invoked from network); 8 May 2003 20:57:16 -0000 Received: from niwun.pair.com (HELO localhost) (209.68.2.70) by relay.pair.com with SMTP; 8 May 2003 20:57:16 -0000 X-pair-Authenticated: 209.68.2.70 Date: Thu, 8 May 2003 15:56:58 -0500 (CDT) From: Mike Silbersack To: Lars =?iso-8859-1?Q?K=F6ller?= In-Reply-To: <200305081146.h48BkHP13996@rayadm.hrz.uni-bielefeld.de> Message-ID: <20030508155325.A1103@odysseus.silby.com> References: <200305081146.h48BkHP13996@rayadm.hrz.uni-bielefeld.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE cc: freebsd-net@freebsd.org cc: freebsd-questions@freebsd.org Subject: Re: Please, Urgent: Need ideas/help to solve PR bin/51586 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: Thu, 08 May 2003 20:57:18 -0000 On Thu, 8 May 2003, Lars [iso-8859-1] K=F6ller wrote: > NO,NO! Netstat says nothing about that. Even I tune msl time to go out > of TIME_WAIT very fast (only intranet connection on same switch!). > > The ethereal dump in the PR shown, that an initial communication takes > place, but the final ACK to establish the connection fails! Could you get a tcpdump -v of that problem occuring? I find what your logs are showing hard to believe, there must be something really strange occuring. Can you also show the output of netstat for the ports in question to show what state the sockets on either end are in during that time period? Also, does netstat -s show any counters increasing that talk about listen queue overflows or any packets being dropped? Mike "Silby" Silbersack