IPv6 Deployment for the LAN

[bmanning at vacation.karoshi.com (bmanning at vacation.karoshi.com)]

On Thu, Oct 22, 2009 at 09:44:38PM +1100, Karl Auer wrote:
> On Thu, 2009-10-22 at 10:30 +0000, bmanning at vacation.karoshi.com wrote:
> > > The RA contains a preference level... maybe that doesn't cut it if
> > > multiple routers are sending the same preference level, but presumably
> > > that would not happen in a well-tended network.
> > 
> > 	I point you to a fairly common Internet architecture artifact,
> > 	the exchange point...  dozens of routers sharing a common
> > 	media for peering exchange.  
> 
> And how do they discriminate now, with IPv4?
> 
> Regards, K.
> 

	IPv4 has no concept of RA/ND.  to make this construct work at
	all in IPv6, all participants have to turn -off-  RA/ND to prevent
	one or more routers trying to impose their views of addressing
	on their neighbours.

--bill