@herbertpocket Going to guess you have a bad cable or the switch isn't compatible with deco ethernet backhaul See if the trouble shooting steps in this post help...

@David-TP

@David-TP

@Claire56 Few things to try. 1. Turn off the 5 GHz band by going into the deco app then click on More > WiFi Settings > 2,4 Ghz & 5 GHz Network > Advanced > Band > Uncheck 5 GHz and see if it will...

@deepthinker To be honest sounds like a bad cable(s) i have listed some common trouble shooting problems below. Please see the section in bold. i would make sure your network is set up using one of...

@David-TP