Re: [DNA] linkid

[Brett Pentland <brett.pentland@eng.monash.edu.au>]

Erik Nordmark wrote:
>>I hadn't really thought about that.  Quite an oversight.  I guess the
>>change management procedures would work ok, but there needs to be a
>>mechanism defined to recognise this situation and initiate the change.
>>Two possibilities are to 1), have routers listen to LinkIDs from other
>>routers in multicast RAs and initiate LinkID change if necessary, or 2)
>>have the routers periodically multicast RtR messages to one another with
>>LinkID options, which would then be picked up by the existing change
>>management procedure (sec 5.3.2).  Any thoughts on which approach would
>>be more sensible?
> 
> 
> Having the reception of the RA with a different linkid act as a hint
> that the RtR exchange needs to be done to agree on one of the ids would
> be good. That way there is no need for additional periodic messages, yet
> the RtR exchange it self-contained in terms of negotiating the linkid.
> 
Sounds fine.  I'll write that in.  Thanks.

Brett.