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Please also post the *Downstream Power Level*, the *Upstream Power Level*, and the *SNR* (Signal to Noise Ratio) numbers.
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Those are all within spec. Is this with a WiFi connection ? If so, for a test, does a computer hardwired directly to the 6580 with an ethernet cable have the same problem ?
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Even though the signal stats looked o/k at that snapshot in time, the error log entries confirm that something is going on. Perhaps there is noise ingress into the line(s) somewhere.
There are other signal stat figures that can't be read by the modem. They are the "Upstream Rx Power" (Upstream Receive Power Level), the "Upstream SNR Ch." (Upstream Signal To Noise Ratio), and the "Upstream ICFR" (In Channel Frequency Response). These are as equally important in diagnosing connectivity issues as are the modem's stats.
I'm going to escalate your issue to the Comcast corporate employees that are available to these boards. They can check the CMTS (Cable Modem Termination System) for any real time degradation and / or error reports, see your node / cable plant and modem health, and see whether or not everything is in the green zone. They can also see a history plot for the modem and poll for those upstream receive signal stats.
You should get a reply here in your topic. Good luck !
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Hi there, Markg777. Thanks for posting here in the community! I would be glad to step in and help you out with the internet troubles you've been experiencing. I can pull up some diagnostic reports on our end here and we can see how those compare to the information you provided and the symptoms you're experiencing. We will go from there. To start, please send me a PM with your first and last name.
To send a private message, please click my name "ComcastMorgan" then select "Send a Message" on the right side.
I will reply from there. Thanks!
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