@yves_b, initially I had Internet coming in to the basement node and a node on the first and 2nd floor all interconnected using WiFi to basement node. In that case would it have been better to...

The Internet enters the basement. Setup a Ethernet cable based backgaul to main floor. The 2nd floor connects via WiFi backhaul to the main floor. Seems to be working very well @RockyMtnRajah

I have 3 node setup The internet enters the house in the basement There is a node in main floor and another one in the 2nd floor. All is working great. The basement is currently the main node as it's...