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RE: [SCTP-Discussion] Can not receive SCTP/IPv6 packets. It seemsdropping incomming SCTP/IPv6 packets.


Chronological Thread 
  • From: "Hashimoto, Yukio (NSN - JP/Tokyo)" <yukio.hashimoto AT nsn.com>
  • To: "ext Thomas Dreibholz" <dreibh AT iem.uni-due.de>, "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 seemsdropping incomming SCTP/IPv6 packets.
  • Date: Fri, 4 Nov 2011 09:36:49 +0800
  • List-archive: <http://lists.franken.de/pipermail/sctp-discussion>
  • List-id: SCTP Discussions <sctp-discussion.sctp.de>

Dear Thomas,

Thank you.

I will try to install the latest one.
BTW, please let me know if there are debugging configuration files to see
what's going on?

> Please note:
> - Also try IPv4.
SCTP/IPv4 has no problem.

> - Ensure, that IPv6 configuration is working (e.g. "ping6 ::1", etc.).
It works fine.
Loopback TCP/IPv6 is also OK.


Best Regards,
Yukio Hashimoto


> -----Original Message-----
> From:
> sctp-discussion-bounces AT sctp.de
> [mailto:sctp-discussion-
> bounces AT sctp.de]
> On Behalf Of ext Thomas Dreibholz
> Sent: Wednesday, November 02, 2011 9:33 PM
> To: Hanamura, Koichi (NSN - JP/Tokyo)
> Cc:
> sctp-discussion AT sctp.de
> Subject: Re: [SCTP-Discussion] Can not receive SCTP/IPv6 packets. It
> seemsdropping incomming SCTP/IPv6 packets.
>
> 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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