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Weird network problem with CAX80 cable modem
My cable went out 3 days ago after 4 months without issue, and no changes on my side. The modem showed a problem with too much power on downstream, so Comcast came today and fixed that. Apparently ...
I factory reset the modem last night, and after 15 minutes, everything started working. So something must have gotten corrupted in the modem memory/cache of the modem. I am back down again, but this time it seems like a normal Comcast outage. Thanks for the help.
Your logs are indicating quite a few line issues.
Start with removing any amplifiers, signal attenuators, or splitters from the coax.
From there check the line for kinks, damage, moisture in the line.
Check the connectors for improperly made ends, foil touching the copper coax line, bad/old/cheap connectors, or corroded connections. Replace them if you do.
If you can, simply connect the modem right where the coax comes into the home. This prevents wiring in the home from being the issue. And some ISP’s charge if the wiring issue is in the home. So this helps prevent this.
I factory reset the modem last night, and after 15 minutes, everything started working. So something must have gotten corrupted in the modem memory/cache of the modem. I am back down again, but this time it seems like a normal Comcast outage. Thanks for the help.