Date: Sat, 30 Apr 2011 11:02:55 +0200 From: =?iso-8859-1?Q?Michael_T=FCxen?= <Michael.Tuexen@lurchi.franken.de> To: Schoch Christian <e0326715@student.tuwien.ac.at> Cc: freebsd-net@freebsd.org Subject: Re: [SCTP] ICMP unreachable message reenables data transmit Message-ID: <FD1FC82D-29D1-4186-A0AC-504653C28D85@lurchi.franken.de> In-Reply-To: <20110430091148.31393q3py4j4bg38@webmail.tuwien.ac.at> References: <20110430091148.31393q3py4j4bg38@webmail.tuwien.ac.at>
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On Apr 30, 2011, at 9:11 AM, Schoch Christian wrote: > During a measurement with CMT-SCTP and PF i figured out, that = sometimes a ICMP Destination unreachable message triggers a message = transmission on an inactive data path that has been primary before. >=20 > It looks as the ICMP message is reseting the inactive state back to = active without reseting RTO. >=20 > This behavior is triggered by a returning heartbeat message when no = ICMP unreachable by data is sent quite before. >=20 > Test system are two multi-homed hosts with FreeBSD8.1 and a WANem host = between. >=20 > 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... Are you using IPv4 or IPv6? Best regards Michael >=20 > 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" >=20
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