[Kea-users] DHCP6 host reservation

Francis Dupont fdupont at isc.org
Tue Apr 2 12:56:37 UTC 2024


> 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.

Regards

Francis Dupont <fdupont at isc.org>

PS: 'dhclient -D LL' for the ISC DHCP client.


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