Use Pi-Hole in different subnet

I am on OpenWrt 19.07.2. I have a LAN interface ( that I use for all my devices, and a Guest interface ( for everything else.

These are the zones I configured:

All clients that use the Guest Wi-Fi (there are 2 separate SSID, each on a different radio) are isolated and assigned the Guest interface.

I have a Pi-Hole in the non-Guest subnet ( How can I forward DNS requests from the Guest subnet to the Pi-Hole?
Is this via Network - Static routes?


In /etc/config/dhcp :

config dhcp 'guest'
        list dhcp_option '6,'

in /etc/config/firewall:

config rule
        option target 'ACCEPT'
        option dest_port '53'
        option proto 'udp'
        option src 'GuestZone'
        option family 'ipv4'
        option dest 'lan'
        option name 'Allow-guest-pihole'
        list dest_ip ''

Thanks! Worked perfectly :slight_smile:

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