[Kea-users] Kea overriding predefined Option

Darren Ankney darren.ankney at gmail.com
Wed Aug 26 00:10:43 UTC 2026


Hi Stefan,

> => Kea does not allow to redefine standard options.
>
> > but on the old isc-dhcp-server i can write:
>
> => yes, ISC DHCP allowed this but not Kea.
>
> but Kea provides a tool, the flex option hook library, which can
> overwrite the content of any option by what you want.

We have a knowledge base article that describes some details about
this: https://kb.isc.org/docs/redefining-standard-options

See the ARM for further information:
https://kea.readthedocs.io/en/stable/arm/hooks.html#libdhcp-flex-option-so-flexible-option-actions-for-option-value-settings

Thank you,
Darren Ankney


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