[Kea-users] Question on kea-ddns

[Thomas Markwalder]

Hello Jim:

Currently, kea-dhcp4 does DNS updates if the client sends either the 
Host Name or FQDN options in the REQUEST.  If it sends both, the server 
will use FQDN.  Typically a client would issue a DISCOVER asking for the 
Host Name, and then send it back in the REQUEST, or use it to construct 
a FQDN option and send that in the request.  If your client is not 
providing either option, the server does not do DNS.

Regards,

Thomas Markwalder
ISC Sofware Engineering


On 07/23/2018 10:19 PM, J wrote:
> Perhaps newbie question…?
>
> Using Kea 1.3 with ddns hooks and feeding powerDNS, both backed by mysql.
>
> Have a reservation set for a client machine (using MAC) which works fine.  But after lease is given out, no DDNS update is attempted (as evidenced in the kea-ddns.log file.  Other clients getting addresses from a free/random range on the same VLAN get put into powerDNS (including PTR records)
>
> Is there something about the reservation that is causing the ddns call not to occur?
>
> Thanks in advance
> Jim.
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