> From: Francis Dupont <[EMAIL PROTECTED]>
>  In your previous mail you wrote:
> 
>    Solicted node multicast group is an exception to "nothing is ever sent".
>    
>    - MLD join would only be used when node does DAD, e.g. sends
>    
>       (1) MLD join with src=::
>       (2) DAD probe with src=::
>    
>    - for *ANY* other packet, that has src != ::, the source address
>      implictly indicates the solicited node multicast group that this
>      node belongs.
>    
> => wrong, first ND router solicits are usually sent from the :: source
> address.

Yes, should have remembered that. Mine does that, I wonder if that is
the only one with this feature.. :-)

But, for any other useful traffic, the source address is there, and
implicitly defines the group. A snooping switch would be foolish not
to utilize this easily available info for updating it's soft state.

 
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