Being able to set a local network IP with the block set as “#.#.#.#/22”, since that is what my router seems to use as detected during Pi-hole installation.
Actual Behaviour:
The “/22” block is rejected by the pinhole web interface when trying to use conditional forwarding.
My router seems to give out addresses within the “/22” block, this in itself is detected during the Pi-hole install process.
However, when trying to set that same block for conditional forwarding it gets detected as invalid and the men interface discards it telling me to use either /18 or /24.
Does anyone know how I can set up the correct subnet or if a chang is needed with it the Pi-hole code?
This is a limitation of the underlying dnsmasq, which requires octets (/8, /16, etc). The Pi-hole developers have submitted a change request to dnsmasq, but this change has not yet been implemented.
If you can change the subnet on your router, this will solve your problem pending a dnsmasq change.
