Aw: Re: Re: Re: ISC dhcp assigns ip addresses outside dynamic range

Frank Ulherr dhcp at
Fri Jul 6 09:41:51 UTC 2018

From: "Christian Kratzer" <ck-lists at>

> > This line:
> >
> > Jul 5 13:14:35 a-rl-dhcp1 dhcpd[20145]: bind update on from dhcp-failover rejected: unknown IP address
> > Makes it seem like it was handed out dynamically. Static assignments with fixed-address are not written to a lease file. They are also not sent to the peer.

>There is no lease for a static reservation but you can provision static reservations to the lease file by omapi.

> You will find things like this in the lease file in those cases

> host foo {
> dynamic;
> host-identifier option agent.circuit-id "foo";
> fixed-address;
> }

But if I restart the daemon, those changes are lost, aren't they? We have lots of reservations...


More information about the dhcp-users mailing list