Date: Sat, 30 Apr 2011 12:15:18 +0200 From: Schoch Christian <e0326715@student.tuwien.ac.at> To: Michael =?iso-8859-1?b?VPx4ZW4=?= <Michael.Tuexen@lurchi.franken.de> Cc: freebsd-net@freebsd.org Subject: Re: [SCTP] ICMP unreachable message reenables data transmit Message-ID: <20110430121518.25761cpmtrp0jtpy@webmail.tuwien.ac.at> In-Reply-To: <FD1FC82D-29D1-4186-A0AC-504653C28D85@lurchi.franken.de> References: <20110430091148.31393q3py4j4bg38@webmail.tuwien.ac.at> <FD1FC82D-29D1-4186-A0AC-504653C28D85@lurchi.franken.de>
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Zitat von Michael T=FCxen <Michael.Tuexen@lurchi.franken.de>: > 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" >
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