My internet service is usually rock solid, but in the last 2 days it has gone down and back up frequently. I noitced my 3 upstream channels, which usually have a power of around 42 dBmV, yesterday went up to 46-47, and today they are 49.3/49.5/49.8. I have a Motorola SB6183. Do any of the Comcast guys frequent here, and can see if there is something upstream causing the modem to work harder to push things upstream? I am in zip code 21030.
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