AT&T NVG599 cannot change DNS to point pi-hole server

[Blockhead]

Enable pihole's DHCP server. It should set the DNS server to pihole's address. You can check by running ipconfig /all (on a Windows CMD prompt) and checking the DHCP and DNS info.

Especially if you set the DHCP range to cover your pihole static IP, you could set the pihole IP as a static address in pihole DHCP. Not sure if truly needed but seems to make sense.

Here's the overview:

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. …