For the last few weeks I have been experiencing 2 - 3 instances of 100% packet loss through the day. This has made any type of online gaming impossible (as well as TV streaming)
I set up a broadband quality monitor which has shown the occurrences

When this happen the router initially appears fine, wireless shows as working and the light is yellow. Firstly wired connection drops, then wireless and then router light turns green.
Data tends to return after a couple of minutes.
Could this be a faulty router? Or could it be an issue with cabling/cab?
I have restarted router, done factory reset and checked all connectors between road and router but no improvement.