I cannot get the Archer C9 to accept any Access Control entries. I am trying to block youtube from a specific device (testing with my Note 10's MAC address). It just straight up doesn't work. I've...

@Malvazar The Router's WAN IP settings should use 1.1.1.1 or 8.8.8.8 or your carrier DNS info. The PiHole (which I have setup as x.x.x.2 on my network, with x.x.x.1 being the router) IP information...