From owner-freebsd-net@FreeBSD.ORG Sat Apr 30 10:15:22 2011 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 490F4106564A for ; Sat, 30 Apr 2011 10:15:22 +0000 (UTC) (envelope-from e0326715@student.tuwien.ac.at) Received: from mr.tuwien.ac.at (mr2-n.kom.tuwien.ac.at [128.130.2.110]) by mx1.freebsd.org (Postfix) with ESMTP id AE8FD8FC12 for ; Sat, 30 Apr 2011 10:15:21 +0000 (UTC) Received: from webmail1.zserv.tuwien.ac.at (webmail1.zserv.tuwien.ac.at [128.130.35.11]) by mr.tuwien.ac.at (8.13.7/8.13.7) with ESMTP id p3UAFI4j016495; Sat, 30 Apr 2011 12:15:19 +0200 (MEST) Received: from webmail1.zserv.tuwien.ac.at (localhost.localdomain [127.0.0.1]) by webmail1.zserv.tuwien.ac.at (8.13.8/8.13.8) with ESMTP id p3UAFIng030296; Sat, 30 Apr 2011 12:15:18 +0200 Received: (from apache@localhost) by webmail1.zserv.tuwien.ac.at (8.13.8/8.13.8/Submit) id p3UAFI54030295; Sat, 30 Apr 2011 12:15:18 +0200 Received: from 46-57-60-170.dyn.orange.at (46-57-60-170.dyn.orange.at [46.57.60.170]) by webmail.tuwien.ac.at (Horde Framework) with HTTP; Sat, 30 Apr 2011 12:15:18 +0200 Message-ID: <20110430121518.25761cpmtrp0jtpy@webmail.tuwien.ac.at> Date: Sat, 30 Apr 2011 12:15:18 +0200 From: Schoch Christian To: Michael =?iso-8859-1?b?VPx4ZW4=?= References: <20110430091148.31393q3py4j4bg38@webmail.tuwien.ac.at> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; DelSp="Yes"; format="flowed" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable User-Agent: Dynamic Internet Messaging Program (DIMP) H3 (1.1.6) X-Virus-Scanned: by amavisd-new Cc: freebsd-net@freebsd.org Subject: Re: [SCTP] ICMP unreachable message reenables data transmit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 30 Apr 2011 10:15:22 -0000 Zitat von Michael T=FCxen : > On Apr 30, 2011, at 9:11 AM, Schoch Christian wrote: > >> During a measurement with CMT-SCTP and PF i figured out, that =20 >> sometimes a ICMP Destination unreachable message triggers a message =20 >> transmission on an inactive data path that has been primary before. >> >> It looks as the ICMP message is reseting the inactive state back to =20 >> active without reseting RTO. >> >> This behavior is triggered by a returning heartbeat message when no =20 >> ICMP unreachable by data is sent quite before. >> >> Test system are two multi-homed hosts with FreeBSD8.1 and a WANem =20 >> host between. >> >> A wireshark log can be provided on demand (quite large). > Hi Christian, > > any chance to upgrade the FreeBSD machines to head or to use newer > SCTP sources, which I could provide? It would require a recompilation > of the kernel... It is possible, but the results could be provided not until next week if a reboot is necessary. I can use any sources you could provide me since nothing else is done =20 at this systems. > > Are you using IPv4 or IPv6? > IPv4 > Best regards > Michael >> >> Regards, >> Schoch Christian >> _______________________________________________ >> freebsd-net@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-net >> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >> > > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >