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Thank you for your response.
The hint of Mr. Dipl.-Inform. Thomas Dreibholz helped me out of this
problem.
In the moment I entered the option "-local=10.0.1.254" with the
STPmultiserver tool it worked over the interface I expected...

Thank you very much I think you are right. The implementation of the STACK
chooses to send the CookeEcho to one of the other three interfaces. It was
way I called the SCTPTerminal that we (the Client SW and I) said connection
failed, because we looked only at one Interface...

By the way, I have no problem with English, in this business Germans often
asked my to talk them in English.
-----Ursprüngliche Nachricht-----
Von: Andreas Jungmaier
[mailto:ajung AT exp-math.uni-essen.de]
Gesendet: Dienstag, 2. April 2002 11:23
An:
discussion AT sctp.de;
Alfred Boucek
Betreff: Re: [SCTP-Discussion] I do not get a CookieEcho - what happens
?


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On Thursday, 28. March 2002 10:32, Alfred Boucek wrote:
> Ich verwende sctplib-1.0.0-pre17
> habe folgendes gemacht:
> ./configure --enable-socketapi
> make
> make install
> cd /usr/SCTP/sctplib-1.0.0-pre17/sctplib/socket_programs
> sctpmultiserer (auf dem Server 10.0.1.254)
> sctpterminal 10.0.1.254:echo (auf dem Client 10.0.1.252)
>
>
> Mit etherreal sehe ich:
> SCTP init
> init-ack
> heartbeats
> heartbeat ack
>
> Was mache ich falsch haben sie einen Tipp für mich
>

Hello,
first off: the language for this discussion list is English, so in
order for all subscribers to profit from the answers, I would like
to keep it that way :-)

The question asked relates to one of the problems that come up with
multi-homing: a single-homed box does a setup with a triple-homed
box (which I can see from the INIT/INIT-ACK packets of the attached
tcpdump file).
The implementation chooses to send the CookeEcho to one of the
other three interfaces. If you ran Ethereal on the machine
with only one address, you would see all of the packets. Alternatively,
you might start Ethereal to capture data on all three interfaces...

The association is established, an both endpoints start exchanging
heartbeat messages, so everything is fine.

Hope that helps,
Andreas

- --
- ------------------------------------------------------------------------
Dipl.-Ing. Andreas Jungmaier | _
Computer Networking Technology Group | ASCII ribbon campaign ( )
University of Essen | - against HTML email X
http://www.exp-math.uni-essen.de/~ajung | & vcards / \
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• Re: [SCTP-Discussion] I do not get a CookieEcho - what happens ?, Andreas Jungmaier, 04/02/2002
  • AW: [SCTP-Discussion] I do not get a CookieEcho - what happens ?, Alfred Boucek, 04/06/2002

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