@cl-7k-01 don't work for TP Link so don't take this as gospel but their documentation says the main router should be plugged directly into the modem and then additional nodes through any switches. I...

@David-TP are you able to respond to my question about the Deco DHCP server in AP mode?

@David-TP hi thanks for the reply. Yes I am describing modem-router with WiFi capacity. I am based in the UK and have a Virgin Media Home Hub model 3. Yes the PiHole is acting as a DHCP server and I...

Hi Recently purchased Deco AC1900 S7 triple pack Attempted set up new network in Access Point mode Pre-existing network: (ISP modem + router + WIFI AP + switch combo unit) -> Switch -> (Pi-Hole DNS...