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24.1 Legacy Series / Re: KEA DHCP - Reservation DNS Server Override

« on: May 09, 2024, 10:51:55 am »

OR are you looking for an option to configure different DHCP settings for one or more individual MAC address entries to overrule the settings defined at the subnet level? That finer granularity is NOT available in Kea DHCP (yet?) at the individual client level. To workaround that I have created different subnets for DHCP clients so I can apply differences at that level. Which is something you cannot do with ISC DHCP as that appears to work at the interface level. While thinking about it now, I actually prefer the Kea DHCP approach I am using at the subnet level as I can apply those differences easier for multiple clients in one go.

Like others probably did, I saw the comment about removal of ISC DHCP in 24.1.6 and started to panic a little.

I'm only using 1 subnet atm (I really should sort it an split stuff into VLANs, but too lazy).  After a look around, I did find a migration tool that was painless in populating the reservation list in KEA.

Most devices use the DNS on the OPNsense box, but some things (TVs etc.)  I want to use PiHole (running on a TrueNAS box), so I want to be able to redirect those devices, so add me to the list of people who want to be able to define a different DNS (if required) on individual reservations.