@TP-Link This solution does not apply. All of my wired equipment cable modem, main deco, patch panel and switch are located in the same place in the house. Because of this connecting the switch to...

@TP-Link I have the exact same setup as described in your posted diagram only using Deco M5 units. Looking thru all of these posts I have yet to see a response from TP-Link as to whether this issue...