[SCTP] ICMP unreachable message reenables data transmit

[Michael Tüxen]

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.
> 
> It looks as the ICMP message is reseting the inactive state back to active without reseting RTO.
> 
> This behavior is triggered by a returning heartbeat message when no ICMP unreachable by data is sent quite before.
> 
> Test system are two multi-homed hosts with FreeBSD8.1 and a WANem 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...

Are you using IPv4 or IPv6?

Best regards
Michael
> 
> Regards,
> Schoch Christian
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