[Kea-users] DHCP6 host reservation

[Kevin P. Fleming]

On Tue, Apr 2, 2024, at 07:56, Francis Dupont wrote:
>> You cannot know the DUID in advance, as it's calculated by the OS
>> on the machine using data it creates during the first boot of the OS.
>
> => some DUID formats are predictable e.g. LL (it uses the MAC address,
> vs LLT which uses the MAC address *and* a timestamp). Many DHCP clients
> support it as it provides an easy way to get a stable DUID without storage.

Very true; if you have sufficient control over the configuration of the OS on the machines, you can opt for this type of configuration. Of course in that case you could probably also configure the DHCPv6 client to send the hw-address as well :-)