[radvd-devel-l] RADVD compatibility with OLSR?

[Pekka Savola]

On Tue, 18 Dec 2007, k k wrote:
> PC2 and PC3 were not configured as routers. They represent nodes 
> that could join the network, thus the need for radvd. Since PC2 and 
> PC3 were not configured as routers, why did they ignore the RAs?

Probably you just don't realize that they're acting as routers because 
radvd refuses to start unless they act as routers. Check out 
net.ipv6.conf.all.forwarding sysctl which is "1" if PC2 and PC3 act as 
routers from neighbor discovery perspective.


> ----------------------------------------
>> Date: Tue, 18 Dec 2007 10:10:55 +0200
>> From: pekkas at netcore.fi
>> To: radvd-devel-l at litech.org
>> Subject: RE: [radvd-devel-l] RADVD compatibility with OLSR?
>>
>> On Tue, 18 Dec 2007, k k wrote:
>>> PC1 should advertise the /64 prefix to PC2 and PC3. The 3 PCs are in
>>> the same network and they can ping each other. Running radvd without
>>> OLSR, PC2 and PC3 were able to recieve the /64 prefix. However, when
>>> radvd was activated together with OLSR, PC2 and PC3 were NOT able to
>>> recieve the prefix.
>>
>> This is probably because when Linux kernel is configured as a router,
>> it will ignore router advertisements radvd sends.  You can still see
>> the router advertisement received with tcpdump.  I guess you've
>> configured PC2 and PC3 as router.  There isn't a workaround for this.
>>
>> What you can do is throw radvd away and manually configure all
>> routers.
>>
>> --
>> Pekka Savola                 "You each name yourselves king, yet the
>> Netcore Oy                    kingdom bleeds."
>> Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings
>>
>> --
>> radvd-devel-l mailing list  :  radvd-devel-l at litech.org
>> http://lists.litech.org/listinfo/radvd-devel-l
>
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-- 
Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings