Re: [dhcwg] I-D Action: draft-ietf-dhc-dhcpv6-client-link-layer-addr-opt-00.txt

[Andre Kostur <[e-mail]>]

On Thu, Jul 12, 2012 at 9:26 AM, Ted Lemon <[e-mail]> wrote:
> On Jul 12, 2012, at 10:18 AM, Andre Kostur wrote:
>
>> Changing gears for a second... if the point behind this draft is to
>> correlate DHCPv4 and DHCPv6 leases, is the MAC address sufficient?
>> Consider the case of any device using the DHCPv4 client identifier to
>> distinguish between multiple leases on the same computer.
>
> This shouldn't be a problem, because even if the client sends a
> client-identifier, it still has to send chaddr.

Yes, you'll likely have a chaddr, but you no longer know which DHCPv4
lease that the DHCPv6 transaction corresponds to.  You may have dozens
of DHCPv4 leases, all with the same CHADDR.


-- 
Andre Kostur