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Forum Discussion
CM3000 Issues Xfinity
Hi, I am in an apartment complex at the "end of the line" so to speak when it comes to connections throughout the complex. I just recently had a technician out and when I mentioned my modem status pa...
The first thing I swapped was the router. I'm getting t3 timeouts and power level errors, how does that indicate anything other than an exterior line issue?
If your getting errors in the Event log, any Criticals, Errors or Warnings seen in the event logs needs to be reviewed and resolved by the ISP. Indicates a signal issue on the ISP line up to the modem.
https://kb.netgear.com/24311/Power-level-guidelines-for-a-NETGEAR-cable-modem-router
Have the ISP check the signal and line quality UP to the modem. Be sure the ISP provisions the modem correctly.
Be sure there are no coax cable line splitters in the between the modem and ISP service box.
Be sure your using good quality RG6 coax cable up to the modem.
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, loose connections, bad/old/cheap connectors, or corroded connections. Replace them if you do.
Be sure to power OFF the modem for 1 minute then back ON.
https://community.netgear.com/t5/Cable-Modems-Routers/General-info-and-Troubleshooting-for-Cable-Modems/m-p/1530376#M12853
https://www.duckware.com/tech/solving-intermittent-cable-modem-issues.html
https://highspeed.tips/docsis-events/
You need to focus on the configuration of your Asus RT-BE96U. There are dozens of DNS configuration options in the settings.
Every indication is your modem is working fine. Good assistance for configuration of your router can be found on the Small Net Builders Forums. Here is a good starting point:
https://www.snbforums.com/forums/asus-be-routers-adapters-wi-fi-7.61/
