[Kea-users] Where to configure lease length used by kea-dhcp-ddns
Veronique.Lefebure at cern.ch
Veronique.Lefebure at cern.ch
Tue Jul 12 12:44:33 UTC 2022
Hi,
I had the same question some time ago.
See https://gitlab.isc.org/isc-projects/kea/-/issues/225#note_264521
Cheers,
Veronique
> On 12/07/2022 14:25 Sandro <lists at penguinpee.nl> wrote:
>
>
> Hi,
>
> I have setup kea-dhcp4 to hand out IP addresses and kea-dhcp-ddns to
> update DNS (BIND). That works. But I need to tune the TTL used in the
> updates.
>
> In the log kea-dhcp-ddns tells me:
>
> Lease Length: 14000
>
> That's also the TTL value used in the zone update. However, it does not
> correspond to either `min-valid-lifetime`, `valid-lifetime` nor
> `max-valid-lifetime` in kea-dhcp4.conf.
>
> From the log kea-dhcp4 hands out leases with a lifetime of 42000s,
> which is what I set in `valid-lifetime`:
>
> lease 192.168.101.151 has been allocated for 42000 seconds
>
> So, which configuration parameter in either kea-dhcp-ddns.conf or
> kea-dhcp4.conf do I need to tune to adjust the TTL used in DDNS updates?
>
> I searched through the manual, but failed to find a hint.
>
> -- Sandro
> --
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