@Sunshine The problem is, even if the Deco selects the optimal connection, speeds drops by half and the position I set the M3W is the absolute max speed position it can get. There's no way Deco wants...

I want it to work exactly like this. It works like the bottom side but that's not what I want. I want to make it work like the top right side. My second Deco should pickup the M3W, not my main Deco...

@ImtiazAli Those are already set.

Can someone help me figure this out, pls?

My ISP recently changed our ethernet as 1 gigabit. I was able to get 500 download with Wi-Fi close to the Main Deco and 200-250 download with close to the second Deco. Decided to buy one Range...