I have had similar problems have you looked at the modems Diagnostics
http://192.168.100.1/
User: root pass: root
Quote:
Downstream Receive Power Level : 0.37 dBmv
Downstream SNR : 32.10 dB
Upstream Transmit Power Level : 48.00 dBmv
|
Should be some thing like mine above if it continues to happen report it to tech support and have it checked out.
I am still using my modem it has normally been a problem with the network.