@Hub24 Thanks for detailed reply, now I have follow-up questions: 1. Your Deco map shows two Deco nodes. There is Main Deco (behind bar) and Satellite Deco (stage area). Satellite Deco connects to...

@Hub24 What you see in Deco app is not maximum network speed, but current network utilization. According to that screenshot, combined downloading from all devices connected to Deco mesh takes 9.2Mbps...

@Benwood118 Satellite Deco will deliver half of the speed on Main Deco, or even less. This is limitation of WiFi mesh technology. You have 400-450Mbps on Main Deco, that means you should expect up to...

@Zeick Your Deco mesh runs in its default Router mode. For that wiring to work, Deco mesh must run in Access Point mode. See Switching a Deco to Access Point (AP) Mode

@MrBeatnik You have very interesting case. You are correct, there is no setting to "persist" ethernet backhaul connection in one direction, or otherwise turn the WiFi backhaul connection option off....

@Benwood118 The issue with Ethernet cable has been resolved. If you can get 200Mbps on WiFi speed test, that means Ethernet cable runs at gigabit speed. Devices negotiate only discrete speed values...