MAC vs DUID issue

[Simon Hobson]

Ted Lemon <ted.lemon at nominum.com> wrote:

>> I can give an IPv4 real life example - thousands of DHCP clients (DSL
>> modems) with *all* of them sending the same client id. I needed to
>> explicitly patch ISC DHCP to ignore the client id in order to make
>> this work.
> 
> This doesn't sound like a DHCPv6 bug.

It isn't - it was given as an example of why, for some use cases, the MAC is a far superior identifier than some arbitrary identifier made-up by the client (and so not guaranteed to be invariable and unique).