Override dynamic lease with static reservation

[Marc Haber]

On Fri, Sep 27, 2019 at 04:39:31PM +0200, Christian Kratzer wrote:
> my experience with isc dhcp is that once you have a host reservation
> that matches the client, the host reservation takes precedence over
> any historic lease.
> 
> This should automatically lead to the server sending a NAK to a client
> requesting the old dynamic lease.

Negative, Sir. Not here.

> If it is not sending a nack then I would think that your host
> reservation is not matching the client request. Subnet mismatch or
> criteria mismatch.

Then the reservation would not work after manually removing the dynamic
lease from the database.

> So you can just leave the lease to expire normally.

On my systems, the dynamic lease gets renewed. And renewed. And renewed.

Greetings
Marc

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