@Paul_user Connect Main Deco (first Deco unit you plan to power on and configure) to Archer router and proceed through initial Deco configuration. Your Main Deco will be configured in router mode....

@Exotics4fun Do you have something other than Satellite Decos directly connected to that switch?

@SimonGA Here is another option for you to try: configure Main Network to broadcast on 5GHz only, enable IoT Network and have devices that can only use 2.4GHz connect to IoT Network. 5GHz travels...

Exotics4fun wrote @Jesus88 same issue, have 5 6E units and there is always one connection that is wifi backhaul instead of ethernet. A reboot will force ethernet backhaul but effectively kicks...

@JasmeetSingh Check if you have Connection Preference feature in your Deco app, see Part 2 of the following FAQ: How to select a preferred signal source on the Deco App Note that this feature usually...

@Ozzo76 Check if you have ECO mode in your Deco app, if you do- it has WiFi schedule: Deco ECO Mode 1.0