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CM1000 Xfinity issues
I am quite frustrated at this point. I had a CM600 modem to support Comcast's Extreme 150 service. I've had it for a few years and was consistently getting 160 to 170mbps speed from it. About thre...
Well it is finally fixed. The tech showed up today and I showed him the two frequencies that were having the problem. He checked outside, and then at the tap. He came into the house and said he needed to call a bucket truck in to fix it. I got a recorded call from Comcast that they were working to fix the issue. I got a second call an hour later that the issue was fixed. I ran a speed test and got a consistent 160mbps (yay!). I used the reset button on the modem and let it re-provision. All the signal/noise and power levels were good and there were no uncorrectable codewords. They didn't tell me what they fixed, but at long last, it is fixed.
I ended up returning my CM1000 to BestBuy and I bought an Arris SB8200 instead. Problem solved. The ISP blamed Netgear, and Netgear blamed the ISP.
Consumer choice is a great thing!!
Consumer choice is a great thing!!
vkdelta Update: Still have the problem. There are two download frequencies that have a very large number of uncorrectable codewords: channel 23 frequence 567000000 Hz has a half a billion uncorrectible codewords and channel 24 frequency 573000000 Hz has about 200m. Comcast is coming back tomorrow because that's all they know how to do. It is now too late for me to return the CM1000. I am not going to waste $180 and buy another modem. It looks like I am just going to have to live with this. At least I know not to let Comcast con me into getting gigbit Internet service once it's delivered to this area later this year. I had a brief flicker of hope when the L2 engineer came out to the house but whatever amp the lineman replaced, it didn't fix the problem. Even complaining on Twitter does no good because they start the "let's send a reset signal to your Modem Mr. Noonan". I don't think they know any other phrase.
This is a pissing contest between Comcast and Netgear and consumers are stuck in the middle.