Persistent DUID (DHCP Unique Identifier) for Server
sthaug at nethelp.no
sthaug at nethelp.no
Fri Nov 25 13:54:02 UTC 2011
> >>Thus effectively making it unusable?
>
> >No, it serves to identify the client to the DHCP server. That's
> >very useful. When you say "makes it unusable," you must mean
> >unusable for something other than that.
>
> I think what was meant is that hardly any devices these days truly
> fit the description of having an immutable interface hardware
> address. If applied to the letter, the restriction would preclude the
> use of DUID-LL for virtually all devices - thus "effectively making
> it unusable".
Precisely. Most Ethernet devices I know of read the MAC address from
some form of readonly hardware (e.g. ROM) and then loads the address
into a register which can be programmatically modified.
Steinar Haug, Nethelp consulting, sthaug at nethelp.no
More information about the dhcp-users
mailing list