[SCTP] ICMP unreachable message reenables data transmit

[Schoch Christian]

Zitat von Michael Tüxen <Michael.Tuexen at 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  
>> 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...

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  
at this systems.

>
> Are you using IPv4 or IPv6?
>

IPv4


> Best regards
> Michael
>>
>> Regards,
>> Schoch Christian
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