> - Section 3.1 of the draft states:
>
> > ... Since the Optimistic Node already has the
> link-layer
> > address of the router, and the router now has the
> link-layer address
> > of the Optimistic Node, communications can begin immediately.
>
> Where are these link-layer addresses taken from?
>
> The router will ignore both NS and NA for the following reasons:
> - NS is send without the Source Link-Layer Address option.
> - NA is sent with the O-bit = 0. If the router does
> not have an
> entry for this address (most likely), it "SHOULD"
> ignore the NA
> (2461).
>
> The only place so far the node can get the address of
> the router is from
> the RA, but Source Link-Layer Address option is optional in RAs
> (it's a MAY in 2462).
^^^^^
=> You mean 2461 I guess. There is probably an implicit
assumption about the use of Fast Handovers here. In
that case the optimistic node can get this information
before it moves.
Hesham
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