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Re: [SCTP-Discussion] SCTP Tie tag question


Chronological Thread 
  • From: Thomas Dreibholz <dreibh AT iem.uni-due.de>
  • To: sctp-discussion AT sctp.de
  • Subject: Re: [SCTP-Discussion] SCTP Tie tag question
  • Date: Fri, 20 Jan 2012 19:44:05 +0100
  • List-archive: <http://lists.franken.de/pipermail/sctp-discussion>
  • List-id: SCTP Discussions <sctp-discussion.sctp.de>
  • Organization: University of Duisburg-Essen, Institute for Experimental Mathematics
Hi Marcin,

please could you send a Wireshark trace of the SCTP communication and details
how to reproduce the problem?


Am Freitag 20 Januar 2012, 15:15:23 schrieb Marcin Zawadzki:
> Hi,
>
> I'm currently using sctp lib 1.0.8 and I have a problem with association
> reset scenario.
>
> According to documentation RFC2960 5.2.2
> If sctp peer receives INIT chunk for already established association, it
> should send back INIT_ACK with state_cookie containing tie tags(I-Tag and
> V-Tag of the curren association)
>
> In my case, tie tags are always set to zero, despite the fact that old
> I-Tag and V-Tag are stored properly. Association is established succesfuly
> as in COOKIE_ECHO I receive those tie tags set to 0.
>
> Does anyone know why those values are zeros ? Is it proper behaviour ?
>
> Best Regards
> Marcin Zawadzki


Best regards
--
====================================================================== Dr.
Thomas Dreibholz

University of Duisburg-Essen, Room ES210
Inst. for Experimental Mathematics Ellernstraße 29
Computer Networking Technology Group D-45326 Essen/Germany
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E-Mail:
dreibh AT iem.uni-due.de
Homepage: http://www.iem.uni-due.de/~dreibh
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