@Alexandre. Hi Alex, thank you for the suggestion I already did that, and I have the same result. Look like my basement device isn't working properly. Every 5 min the device gets a red light loses...

I have an elementary topology at home. ISP modem (BELL, wifi-disable, DHCP enable)---ethernet--->Deco x50 MAIN with WIFI network Setup --- ethernet--->DECO Living room----ethernet--->Basement. For...