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

Baptiste Clenet bapclenet at gmail.com
Tue Aug 30 17:50:09 CEST 2016


Oleg, you were looking for that: https://github.com/openthread/openthread

Martine, Kaspar, AFAIK, OpenThread follow RFC standard and they added
their part on top of it, but I don't know if it will be fully
compatible.



2016-08-30 16:18 GMT+02:00 Oleg Hahm <oliver.hahm at inria.fr>:
> 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
>> > > _______________________________________________
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>>
>> --
>> 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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-- 
Baptiste


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