Wifi connection drops randomly. Light turns red on Main Deco. Already upgraded to new firmware, however same issue, connection keeps dropping randomly. Setup is behind ARRIS TG3442 Modem/router with W

Hi, I have a BE65 which is behind a Router/Modem ARRIS TG3442. Currently connected via one of the LAN ports and ARRIS setup in normal DHCP mode and all WiFi OFF and I have a STATIC IP address from my