@David-TP sorry for late response. I have used a lot of time today, to find the cause of the problem. Today I plugged in one and one wired device to the network and restarted the Deco nettwork each...

My set up is as picture above. Main Deco BE65 refuse to connect to Internet after normal reboot, after reboot main Deco BE65 is showing red light and stays there. It fails 100% of the times I've...