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).

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