Nope, not what I am saying. The web interface is just not what you are thinking. This is a MESH router not a full fledged standalone router, with hundreds of tweakable settings. "your primary Deco IP...

@younso If your only connection is through a TP-Link Wi-Fi card, I would expect that is why you can not connect via Ethernet. As for the speed difference it is probably more related to the Wi-Fi back...

Not sure what you are asking. Your SSID is your network name whether you are connected over Wi-Fi to a Deco Mesh satellite or via an ethernet cable. Even if you took an ethernet cable from your...

The Deco Mesh WiFi automatically chooses the least congested channels. You can not control that decision.

@JPMaine You can just plug the Ethernet cable from your computer into either of the Ethernet ports on your upstairs satellite Deco M5.