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Re: [SCTP-Discussion] Can not receive SCTP/IPv6 packets. It seems dropping incomming SCTP/IPv6 packets.


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  • From: Thomas Dreibholz <dreibh AT iem.uni-due.de>
  • To: "Hanamura, Koichi (NSN - JP/Tokyo)" <koichi.hanamura AT nsn.com>
  • Cc: sctp-discussion AT sctp.de
  • Subject: Re: [SCTP-Discussion] Can not receive SCTP/IPv6 packets. It seems dropping incomming SCTP/IPv6 packets.
  • Date: Wed, 2 Nov 2011 13:33:24 +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
Dear Yukio,

I do not know the tool "seagull". Particularly, it is not part of the sctplib
package itself. Please install the latest version of sctplib and try to
reproduce your problem with the tools included in the sctplib package (e.g.
echo_server and terminal).

Please note:
- When using loopback, turn off OOTB handling ("-i" option for the test
tools).
- Also try IPv4.
- Ensure, that IPv6 configuration is working (e.g. "ping6 ::1", etc.).


On Wednesday 02 November 2011, Hashimoto, Yukio (NSN - JP/Tokyo) wrote:
> Hi. SCTPLIB support,
>
> We are using a tool, called "seagull", which is using sctplib on
> RHEL5.7.
> We have a serious problem of SCTP/IPV6 on RHEL5.7.
>
> Shown in packet captures files attached, it seems to drop all incoming
> SCTP/IPv6 packets from peer, even on local loopback.
>
> I tried a command "service ip6tables stop" and "service iptables stop",
> but they did not help solving this.
>
> I have no idea what is going on and what configuration should be to
> receive SCTP/IPv6 packets using sctplib.
>
> Could you teach me how to fix this problem?
>
>
>
> Regards,
> Yukio Hashimoto


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
-----------------------------------------------------------------------
E-Mail:
dreibh AT iem.uni-due.de
Homepage: http://www.iem.uni-due.de/~dreibh
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