DHCPv6 accounting

[Brian E Carpenter]

On 22/05/2013 04:20, Phil Mayers wrote:
> On 21/05/13 16:58, Tim Chown wrote:
> 
>> I would suspect in a largeish enterprise that that approach would be
>> appropriate, as it's likely that all DHCPv6 traffic would be forwarded
>> by a relay.
> 
> Except unicast traffic of course, unless the relays are expected to
> interfere with such as well. This means the DHCP server will need to
> stash the relay options (a common problem with DHCP option 82).
> 
> It's also worth asking whether DHCPv6 server operators would like to
> know the source layer2 info as the relay saw it, as the client claims
> it, or both.

In any case, the ground truth in IPv6 can surely only be found
in the ND cache? It is not a safe assumption that all addresses
were assigned by DHCPv6.

    Brian