[Kea-users] Subnets in MySQL/MariaDB

Marcin Siodelski marcin at isc.org
Mon May 6 15:44:59 UTC 2019

Hello Jan,

Thanks for your inquiry. Kea 1.6.0 release will include a new feature,
Config Backend, which will allow for storing global DHCP parameters,
DHCP option definitions, shared networks and subnets in the MySQL
database. This is not yet documented because we're currently working on
the actual code. The Kea 1.6.0 release is expected in the summer.

If you're looking at the Kea 1.5.0 version, it indeed includes many
tables, but those tables are unused by this version.

If you're interested in the Config Backend design, it is available here:


Marcin Siodelski
DHCP Software Engineer,

On 05/05/2019 01:45, Jan Sielemann wrote:
> Hello everyone,
> I'm relatively new to KEA. I just wanted to check out the follow-up to
> DHCPD, especially because of the ability to store host-reservations in DB.
> I successfully mastered hosts-definition yet, but my vision is to store
> as much configuration as possible inside the DB. I see, there are a lot
> of tables - also one for subnets.
> Since I only defined "lease-database" and "hosts-database" in my
> kea-dhcp4.conf, I wonder if KEA would also have access to subnets and so on.
> My feeling is, that the MySQL-Part is not documented that detailed I
> would like it to be - it took a little time to get the hosts
> running...but maybe my fault :)
> Can someone give me a hint for further investigation on the MySQL-Topic?
> Best regards,
> Jan

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