On Dec 27, 2011, at 4:28 PM, Glen Kent <[email protected]> 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).

