From owner-freebsd-net@FreeBSD.ORG Fri May 9 05:23:39 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 A612037B401; Fri, 9 May 2003 05:23:39 -0700 (PDT) Received: from mail.uni-bielefeld.de (mail2.uni-bielefeld.de [129.70.4.90]) by mx1.FreeBSD.org (Postfix) with ESMTP id 52EB343FBD; Fri, 9 May 2003 05:23:36 -0700 (PDT) (envelope-from lars.koeller@uni-bielefeld.de) Received: from rayadm.hrz.uni-bielefeld.de (RAYADM.hrz.uni-bielefeld.de [129.70.202.15]) by mail.uni-bielefeld.de (Sun Internet Mail Server sims.4.0.2000.10.12.16.25.p8) with ESMTP id <0HEM00ILID0ZBW@mail.uni-bielefeld.de>; Fri, 9 May 2003 14:22:20 +0200 (MET DST) Received: from rayadm.hrz.uni-bielefeld.de (lkoeller@localhost) h49CM9j29360; Fri, 09 May 2003 14:22:10 +0200 (MEST) Date: Fri, 09 May 2003 14:22:09 +0200 From: Lars =?iso-8859-1?Q?K=F6ller?= X-Face: eCcoCV}FjV*O{6>[1$XP/e%]TJhEw2MF33dFh)^HM7Gfd=[/(4+0a$~ "of Thu, 08 May 2003 15:56:58 CDT." <20030508155325.A1103@odysseus.silby.com> Sender: lars.koeller@uni-bielefeld.de To: Mike Silbersack , mark tinguely Message-id: <200305091222.h49CM9j29360@rayadm.hrz.uni-bielefeld.de> MIME-version: 1.0 X-Mailer: exmh version 2.6.1 02/18/2003 with nmh-1.0.4 Content-type: MULTIPART/MIXED; BOUNDARY="Boundary_(ID_XuLPbd9RjP+esBa2DGboOg)" X-Content-Filtered-By: Mailman/MimeDel 2.1.1 cc: freebsd-net@freebsd.org cc: freebsd-questions@freebsd.org cc: Lars =?iso-8859-1?Q?K=F6ller?= 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: Fri, 09 May 2003 12:23:40 -0000 This is a multipart MIME message. --Boundary_(ID_XuLPbd9RjP+esBa2DGboOg) Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: quoted-printable ---------- Dear experts, first of all thanks for the help. However the problem is not solved. Attaches are the tcpdum od machine1 (rsh-Client) and machin2 (rshd). Both are FreeBSD4.8-RELEASE. In reply to Mike Silbersack who wrote: = > = > 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 ou= t > > of TIME_WAIT very fast (only intranet connection on same switch!). > > > > The ethereal dump in the PR shown, that an initial communication take= s > > 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 strang= e > 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 tha= t > time period? > = > Also, does netstat -s show any counters increasing that talk about list= en > queue overflows or any packets being dropped? No, they are always 0. Here are the netstat during the hang of machine1(rsh): 75148 : netstat -an Active Internet connections (including servers) Proto Recv-Q Send-Q Local Address Foreign Address (state= ) tcp4 0 0 *.961 *.* LISTEN= tcp4 0 0 129.70.4.48.962 129.70.4.44.514 ESTABL= ISHED tcp4 0 0 129.70.4.48.6100 129.70.4.48.1588 ESTABL= ISHED tcp4 0 0 129.70.4.48.1588 129.70.4.48.6100 ESTABL= ISHED tcp4 0 0 129.70.4.48.6100 129.70.4.48.1587 ESTABL= ISHED tcp4 0 0 129.70.4.48.1587 129.70.4.48.6100 ESTABL= ISHED tcp4 0 0 129.70.4.48.6100 129.70.4.48.1586 ESTABL= ISHED tcp4 0 20 129.70.4.48.1586 129.70.4.48.6100 ESTABL= ISHED tcp4 0 0 129.70.4.48.22 129.70.4.48.1585 ESTABL= ISHED tcp4 0 0 129.70.4.48.1585 129.70.4.48.22 ESTABL= ISHED tcp4 0 0 129.70.4.48.6100 129.70.4.48.1025 ESTABL= ISHED tcp4 0 0 129.70.4.48.1025 129.70.4.48.6100 ESTABL= ISHED tcp4 0 0 129.70.4.48.6100 129.70.4.48.1024 ESTABL= ISHED tcp4 0 0 129.70.4.48.1024 129.70.4.48.6100 ESTABL= ISHED tcp4 0 0 *.6100 *.* LISTEN= tcp4 0 68 129.70.4.48.22 129.70.202.15.43763 ESTABL= ISHED tcp4 0 0 *.587 *.* LISTEN= tcp4 0 0 *.25 *.* LISTEN= tcp4 0 0 *.22 *.* LISTEN= tcp4 0 0 *.515 *.* LISTEN= tcp4 0 0 *.514 *.* LISTEN= tcp4 0 0 *.1022 *.* LISTEN= tcp4 0 0 *.2049 *.* LISTEN= tcp4 0 0 *.1023 *.* LISTEN= tcp4 0 0 *.111 *.* LISTEN= udp4 0 0 *.1011 *.* = udp4 0 0 *.2049 *.* = udp4 0 0 *.1023 *.* = udp4 0 0 *.111 *.* = udp4 0 0 127.0.0.1.123 *.* = udp4 0 0 129.70.4.48.123 *.* = udp4 0 0 *.123 *.* = udp4 0 0 *.514 *.* = Active UNIX domain sockets Address Type Recv-Q Send-Q Inode Conn Refs Nextref Addr e1e6d320 stream 0 0 0 e1e6d640 0 0 e1e6d640 stream 0 0 0 e1e6d320 0 0 e1e6d5a0 stream 0 0 0 e1e6d280 0 0 e1e6d280 stream 0 0 0 e1e6d5a0 0 0 e1e6daa0 stream 0 0 e206a740 0 0 0 /var/ru= n/sophie e1e6d780 stream 0 0 0 e1e6d820 0 0 e1e6d820 stream 0 0 0 e1e6d780 0 0 e1e6d960 stream 0 0 0 e1e6d8c0 0 0 e1e6d8c0 stream 0 0 0 e1e6d960 0 0 e1e6dd20 stream 0 0 e1ea69c0 0 0 0 /var/ru= n/printer e1e6db40 dgram 0 0 0 e1e4ef00 0 e1e6dbe0 e1e6dbe0 dgram 0 0 0 e1e4ef00 0 e1e6dc80 e1e6dc80 dgram 0 0 0 e1e4ef00 0 e1e6ddc0 e1e6ddc0 dgram 0 0 0 e1e4ef00 0 e1e6de60 e1e6de60 dgram 0 0 0 e1e4ef00 0 e1e6df00 e1e6df00 dgram 0 0 0 e1e4ef00 0 0 e1e4ef00 dgram 0 0 e1e4b880 0 e1e6db40 0 /var/ru= n/log netstat of machine2 (rshd): 74977 : netstat -an Active Internet connections (including servers) Proto Recv-Q Send-Q Local Address Foreign Address (state= ) tcp4 0 0 129.70.4.44.623 129.70.4.48.961 SYN_SE= NT tcp4 0 0 129.70.4.44.514 129.70.4.48.962 ESTABL= ISHED tcp4 0 0 129.70.4.44.6100 129.70.4.44.1432 ESTABL= ISHED tcp4 0 0 129.70.4.44.1432 129.70.4.44.6100 ESTABL= ISHED tcp4 0 0 129.70.4.44.6100 129.70.4.44.1431 ESTABL= ISHED tcp4 0 0 129.70.4.44.1431 129.70.4.44.6100 ESTABL= ISHED tcp4 0 0 129.70.4.44.6100 129.70.4.44.4805 ESTABL= ISHED tcp4 0 20 129.70.4.44.4805 129.70.4.44.6100 ESTABL= ISHED tcp4 0 0 *.6100 *.* LISTEN= tcp4 0 68 129.70.4.44.22 129.70.202.15.34461 ESTABL= ISHED tcp4 0 0 *.587 *.* LISTEN= tcp4 0 0 *.25 *.* LISTEN= tcp4 0 0 *.514 *.* LISTEN= tcp4 0 0 *.22 *.* LISTEN= tcp4 0 0 *.515 *.* LISTEN= udp4 0 0 127.0.0.1.123 *.* = udp4 0 0 129.70.4.44.123 *.* = udp4 0 0 *.123 *.* = udp4 0 0 *.514 *.* = udp4 0 0 129.70.4.44.1019 129.70.4.48.2049 = Active UNIX domain sockets Address Type Recv-Q Send-Q Inode Conn Refs Nextref Addr e1e6ea00 stream 0 0 0 0 0 0 e1e6e820 stream 0 0 0 0 0 0 e1e6eb40 stream 0 0 e2262840 0 0 0 /var/ru= n/sophie e1e6eaa0 stream 0 0 0 e1e6e6e0 0 0 e1e6e6e0 stream 0 0 0 e1e6eaa0 0 0 e1e6e640 stream 0 0 0 e1e6e780 0 0 e1e6e780 stream 0 0 0 e1e6e640 0 0 e1e6edc0 stream 0 0 e1e82e40 0 0 0 /var/ru= n/printer e1e6ed20 dgram 0 0 0 e1e4ff00 0 e1e6ebe0 e1e6ebe0 dgram 0 0 0 e1e4ff00 0 e1e6ec80 e1e6ec80 dgram 0 0 0 e1e4ff00 0 e1e6ee60 e1e6ee60 dgram 0 0 0 e1e4ff00 0 e1e6ef00 e1e6ef00 dgram 0 0 0 e1e4ff00 0 0 e1e4ff00 dgram 0 0 e1e49e00 0 e1e6ed20 0 /var/ru= n/log Best regards Lars -- = E-Mail: Lars.Koeller@Uni-Bielefeld.DE \ Lars K=F6ller lkoeller@FreeBSD.org \ CC University of PGP: http://www.uk.pgp.net/pgpnet/wwwkeys.html \ Bielefeld, Germany = Key-ID: A430D499 \ Tel: +49 521 106 4964 ----------- FreeBSD, what else? ---- http://www.freebsd.org -------------= --Boundary_(ID_XuLPbd9RjP+esBa2DGboOg)--