@TP-Link I. Have had the modem about a year. Maybe a bit longer. It has done it about three times over that period. I have reset it the first time. I did reset it the first time. I haven't since....

This is what happens roughly every 20 seconds. (the red light on the router is because there's no internet connection) https://youtu.be/qpu2X1v1r5Q

Hi, I'm using this purely as a modem in bridge mode to a ASUS router. It works fine for a few months then all of a sudden just stops. The power light is on, and nothing else. Then every 20 seconds...