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Re: [SCTP-Discussion] Network status change in Pre 12


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  • From: Andreas Jungmaier <ajung AT exp-math.uni-essen.de>
  • To: discussion AT sctp.de
  • Subject: Re: [SCTP-Discussion] Network status change in Pre 12
  • Date: Tue Jun 19 12:55:01 2001
  • List-id: SCTP Discussions <discussion.sctp.de>
  • Organization: University of Essen, Germany

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Hi all,

thanks, Eric, I will be looking into it and announce the fix as soon as
I have it.

Regards,

Andreas
>
> I am now working on a 'monitoring' program running within the terminal
> program as you guys may know. I am running pre 12 now.
> I have two unix machines which are dual homed. One of them is running echo
> tool and the other is running my 'monitor cum terminal' program. After the
> association have been established, I pulled out one of the cables to
> simulate a Network status change. From my program, I found out that after a
> Network status change event has been called, the state of the path which
> has gone inactive remains 0 (SCTP_PATH_ACTIVE) instead of being changed to
> 1(SCTP_PATH_INACTIVE).
> Also, when I made the primary path inactive, the SCTP library did not
> assign the next active path as the primary path like it did in Pre 9
> release. Instead, the terminal program still tries to send sctp packets
> thru the primary path (which has gone inactive) after a networkstatus
> changed has been registered. As a results, the packets are only sent via
> the active path after a number of attempts to send it on the primary path
> (now inactive) has failed.
> I did not have this problem when I was working in Pre 9. I only experienced
> this after upgrading to pre 11 and above. I don't know if this is a bug or
> I have done something wrong. Could you guys pls verify that?
>
> Best regards,
>
> eric.
> _______________________________________________
> discussion mailing list
> discussion AT sctp.de
> http://www.sctp.de/mailman/listinfo/discussion

- --

Andreas Jungmaier

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\|/ _____ \|/ Andreas Jungmaier, Dipl.-Ing.
"@'/ , . \`@" University of Essen
ajung AT exp-math.uni-essen.de
/_| \___/ |__\ -> Computer Networking Tel. : +49 (0201) 183-7636
\___U_/ Technology Group <-
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PGP Public Key and Fingerprint: see http://www.exp-math.uni-essen.de/~ajung
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