@David-TP I swapped the main unit over and reconnected the ethernet main>>Satellite. All was good for about 3 minutes then all the Decos started flashing blue LEDs and the whole network reset and...

Hi, I have 5 Deco P9s in AP mode mesh. Modem -> Router -> AP Main P9 >> Wifi >> 4x satellite Deco P9 Wifi + PLC When I connect satellite P9s together with ethernet all is okay. If I add ethernet only...