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Modern implementation of DHCP with Kea
Address Jockey
Migration Path from ISC DHCP
Anyone who uses an existing ISC DHCP server and finds the new features interesting will now be asking themselves how they can migrate their existing configuration to Kea. A migration wizard known as KeaMA [4] is available for this purpose.
The wizard uses an existing ISC configuration file and translates it into a Kea-compatible configuration file. You need to run the process twice: once for IPv4 and once for IPv6 if you use both protocols. If you encounter any errors during the conversion, the migration wizard will offer appropriate tips. However, the tool is still considered experimental according to the GitLab page.
Conclusions
Kea offers interesting approaches and functions. However, switching from an existing ISC DHCP server to Kea needs to be well thought out and planned. If functions such as high availability for IPv6 are not used on your network and you do not need APIs for management systems, it is questionable whether a switch to Kea will offer any advantages. One argument, of course, is that switching removes the need to restart for scope changes. For data centers with a large number of configuration changes within short time intervals, Kea could be interesting. The documentation is also very useful.
Infos
- Kea download: https://www.isc.org/download/
- Kea dashboard Stork: https://gitlab.isc.org/isc-projects/stork
- Precompiled Kea packages: https://cloudsmith.io/~isc/repos/
- KeaMA: https://gitlab.isc.org/isc-projects/dhcp/tree/master/keama
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