Re: subnet prefix length > 64 breaks IPv6?

[Joel Maslak <jmaslak () antelope net>]

On Dec 27, 2011, at 4:28 PM, Glen Kent <glen.kent () gmail com> wrote:

> I had assumed that nodes derive their link local address from the
> Route Advertisements. They derive their least significant 64 bytes
> from their MACs and the most significant 64 from the prefix announced
> in the RAs.

No, link local addresses are not derived from RAs.  Even a system not connected to a router will have a link local 
address on each ethernet (I couldn't tell you how link local works on PPP, ATM, etc, without looking it up - but it 
doesn't require /64 networks).