Since just before xmas I have been having constant interruptions to my internet. Checking the network log on the router shows the error:
"Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out"
Coming up at the moment it breaks. These errors repeat several times and then the router gets a WAN address. The downtime can last anywhere from 5 minutes to 2 hours. Whilst the longest uptime I have seen is 2 days.
I tried calling 150 but their fix only worked for 2 days and the error is back.