Why would the IPv6 address on the WAN interface ever be seen?  Clients
attached to the CE router would be using the delegated prefix...

Frank

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Miquel van
Smoorenburg
Sent: Friday, March 25, 2011 7:51 AM
To: [email protected]
Subject: Re: [c-nsp] DHCP_PD usage for PPPoE Access

<snip>

The advantage is that you *know* what address or range the CPE has. If 
it also uses an address gotten via SLAAC on the WAN interface, how are 
you going to find the customer when the government asks "who is (or was) 
behind this IPv6 address" and it's from your shared pool ?

Mike.
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