[Kea-users] DDNS doesn't update local zone

Darren Ankney darren.ankney at gmail.com
Tue Nov 11 12:11:03 UTC 2025


Hi Ale,

As a sanity check, is Kea logging other clients messages as expected
if you release and renew?

Thank you,
Darren Ankney

On Mon, Nov 10, 2025 at 7:08 AM Alessandro Vesely <vesely at tana.it> wrote:
>
> Hi,
> I recently upgraded to Devuan Excalibur, equivalent to Debian Trixie, and had
> some difficulty starting the Kea daemons. Now they're running.  However, a
> client somehow got a different IP than it had before.
>
> The host name and PTR records still use the previous IP.
>
> I tried to fix it by issuing dhclient -r/ dhclient.  As a result, I have
> several records showing the new IP in /var/lib/dhcp4.csv, but the DNS records
> are unchanged.
>
> In kea-dhcp4 both enable-updates and ddns-send-updates are set to true.
>
> In both kea-dhcp4.conf and kea-dhcp-ddns.conf I set debuglevel to 99, but, upon
> restarting, I only got the two lines
>
> kea-dhcp4: INFO  [kea-dhcp4.commands.140267918301120] COMMAND_RECEIVED Received
> command 'config-set'
>
> and
>
> kea-dhcp-ddns: INFO  [kea-dhcp-ddns.dctl.140298412311744] DCTL_STARTING
> DhcpDdns starting, pid: 17117, version: 2.6.3 (stable)
>
>
>
> Dhcp releases and subsequent discover, offer, request and ack are not logged.
>
>
> Is there a way to force the DNS to sync?
>
>
> Best
> Ale
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