Pihole Not Working on Other Devices using a ZyXEL router

[deHakkelaar]

If your router wont allow, only alternative I can think of is switching the DHCP server off/disabling on the router.
And flip on the DHCP server on the Pi-Hole web admin page copying most of the settings from your router like start and end IP range etc.

How do I use Pi-hole's built in DHCP server (and why would I want to)?

Using Your Existing Router For Network-wide Ad Blocking You might not need to use Pi-hole's DHCP server: In many home environments, your router also functions as your DHCP server. In this case, you can often set Pi-hole to be the DNS server for your network clients in the router's DHCP (or LAN) settings page, which allows all of your network clients to block ads simply by connecting to the network. Setting it up this way is also what makes Pi-hole very powerful for network-wide ad blocking. W…