In article <[EMAIL PROTECTED]> (at Fri, 27 Oct 2006 11:26:15 +0900), Suresh 
<[EMAIL PROTECTED]> says:

> But, again the same issue. Has Linux not implemented "LOOPBACK
> SUPPRESSION"? If the Neighbour Solicitation is just looped-back, will
> the DAD will fail? How the NS is differentiated between the loop-back and
> the NS from other node?

On Linux, if DAD ever looped-back, the DAD will fail.
Note that we assume the multicast will not loop-back in device driver level,
and we disable loop-back for ND messages (incl. DAD) in IP-layer level,
NS for DAD will not loop-back on Linux.

--yoshfuji
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