host-identifier with IPv6

[Sten Carlsen]

Frank Sweetser wrote:
>
> Would it be feasible to define behavior where the circuit-id, or some
> other field with similar behavior, contained the client HW address?
>
> The relay agent would have to be on the same broadcast domain, so it
> should be able to pick the address off the wire regardless of whether
> or not the client explicitly transmits it.  Similarly, in cases where
> there is no relay agent, the server would have to be on the same
> broadcast domain as the clients, and again can see the sending address.
>
> This would:
>   - allow the DUID to remain an opaque object consistent across all
> interfaces
>   - resolve the ambiguity of which client interface was used to
> generate the DUID
>   - be easily backported to DHCPv4 without any behavior change
>   - be completely decoupled from client code and behavior
>   - be much easier for admins to deploy, by updating router firmware
> or adding strategically placed hosts running relay agents, than
> waiting and hoping for OS updates (raise your hand if you still have
> Win98 machines on your network!)
>
> Does this sound reasonable to everyone?
>
Sounds reasonable to me, it will also solve the cases where cloning
systems might yield multiple PCs with the same DUID but different
mac-addresses(I know, should not happen, but could it?), depending where
it is kept.

-- 
Best regards

Sten Carlsen

No improvements come from shouting:

       "MALE BOVINE MANURE!!!"