[riot-devel] BorderRouter: Global IPV6 address lost in ncache after UDP message sent

Oleg Hahm oliver.hahm at inria.fr
Tue Aug 30 16:18:44 CEST 2016


Okay, sorry, I was to fast with my complaint. ;-)

On Tue, Aug 30, 2016 at 04:17:33PM +0200, Oleg Hahm wrote:
> Hi,
> 
> is it only me who cannot find it or is there something missing here?
> 
> Cheers,
> Oleg
> 
> On Tue, Aug 30, 2016 at 04:10:19PM +0200, Martine Lenders wrote:
> > Hi Baptiste,
> > 
> > 
> > 2016-08-30 16:01 GMT+02:00 Baptiste Clenet <bapclenet at gmail.com>:
> > > Thanks Martine,
> > > The issue you mentioned seems to be different.
> > >
> > > Did you see the neighbor discovery implementation of OpenThread? How
> > > your new implementation will be able to dicuss with OpenThread
> > > implementation?
> > >
> > > Cheers,
> > >
> > > 2016-08-29 19:56 GMT+02:00 Martine Lenders <mail at martine-lenders.eu>:
> > >> Hi,
> > >> can you check if this is https://github.com/RIOT-OS/RIOT/issues/5467?
> > >>
> > >>> Why or how can a node be removed from ncache? Why the node does not
> > >> automatically reconnect with BR?
> > >>
> > >> As the implementer of the neighbor discovery I can say this: because
> > >> the neighbor discovery is sh** ;-). It was written in a haste and has
> > >> a lot of design flaws. I'm working on a replacement (see
> > >> https://github.com/RIOT-OS/RIOT/issues/5704, happy to hear your
> > >> thoughts ;-)), but sadly I did not find some time to put heavy
> > >> implementation efforts into this yet (hopefully in autumn though, so
> > >> we have something for the October release, fingers crossed).
> > >>
> > >> Thanks for reporting and kind regards,
> > >> Martines
> > >>
> > >> 2016-08-29 17:54 GMT+02:00 Baptiste Clenet <bapclenet at gmail.com>:
> > >>> Hi,
> > >>> I'm using two SAMR21, one with BR (on A) and the other (on B) with
> > >>> gnrc_networking example.
> > >>> I'm on April release.
> > >>> Switch on A (border router) then switch on B, I'm able to send UDP
> > >>> message from Linux to 2001:db8 address of B.
> > >>> If I try to send lot of data (every 100ms), it works for a while and
> > >>> then B does not receive message anymore. After I see it failed, I
> > >>> stopped the loop sending UDP message, I checked on BR and 2001:db8
> > >>> address of B was not here anymore. I can ping B with fe80:: address on
> > >>> iface 6 but can't with 2001:db8.
> > >>>
> > >>> Why or how can a node be removed from ncache? Why the node does not
> > >>> automatically reconnect with BR?
> > >>>
> > >>> Cheers
> > >>>
> > >>> --
> > >>> Baptiste
> > >>> _______________________________________________
> > >>> devel mailing list
> > >>> devel at riot-os.org
> > >>> https://lists.riot-os.org/mailman/listinfo/devel
> > >> _______________________________________________
> > >> devel mailing list
> > >> devel at riot-os.org
> > >> https://lists.riot-os.org/mailman/listinfo/devel
> > >
> > >
> > >
> > > --
> > > Baptiste
> > > _______________________________________________
> > > devel mailing list
> > > devel at riot-os.org
> > > https://lists.riot-os.org/mailman/listinfo/devel
> > _______________________________________________
> > devel mailing list
> > devel at riot-os.org
> > https://lists.riot-os.org/mailman/listinfo/devel
> 
> -- 
> The problem with token ring jokes is you need to wait your turn to laugh



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-- 
printk(" Speed now 1x");        /* Pull my finger! */
        linux-2.6.6/drivers/cdrom/mcd.c
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