I also just upgraded to gig internet and got a CM-1000. 400-1000 is about right unfortunately and never consistent by my. I've been having serious issues lately where I'd get 5 down .5 up.
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I'm getting unstable high and low download speeds. Done ALL of the standard troubleshooting of my network connectivity, but Comcast support refuses to escelate my issue and get me to speak to a technical support agent to acknowledge the outage or poor signal issue in my area. Getting fluctuating download speeds between 30mbps - 600mbps, download speed though doesn't exceed 1mbps. Currently it's sitting at 0.15mbps. Checked the power and signal levels on my modem and they're within spec. I've resent the signal to my modem about 5 times. Tried calling in, got stuck in a loop with the bot for an hour and then messaging chat wanted to argue with me and their support advice to my situation when it's on Comcast's end is "Get a new modem". I pay for 1Gbps and have a CM-1000 modem, but she tells me to just get a new modem. That's the same as saying when your car is low on gas, so just buy a new car -_-. Can a technical support agent here PLEASE help me escelate my issue to see the strength/quality of the signal I'm dealing with? I'm paying for Gig internet and getting .15mbps bandwith.
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