[Kea-users] IPV6 client gets the wrong IP for sometime after a reboot

[Francis Dupont]

The problem here is the client is changing its DUID so Kea believes
the lease was assigned to a different client using the same mac address.
To override this behavior the simplest is to use the mac address as
the client identifier with flex-id and replace-client-id set to yes.

Another way is to replace on the wire the DUID by a fixed value...

Thanks

Francis Dupont <fdupont at isc.org>

PS: DHCPv4 clients have two identifiers: the client-id option and
the mac address. If the client-id option has the precedence this can
be disabled at the subnet level or higher. There is a RFC too explaining
how to deal with this issue when using both DHCPv4 and DHCPv6...