Hi,

On Thu, Oct 20, 2011 at 09:47:28PM +0800, Washam Fan wrote:
> Sorry for late response.
> 
> Since NS(DAD) traverse the same link, couldn't we just use src MAC of
> the received NS(DAD) to identify if the NS is the one sent by the
> interface earlier?
> 
> Am I missing something?

Yes.  Not all the world is Ethernet.

We've seen this problem mostly on SDH/Sonet links, which are either
HDLC or PPP encapsulated, and don't have MAC addresses in their frames.

Gert Doering
        -- NetMaster
-- 
have you enabled IPv6 on something today...?

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