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Solved
Browser speed test is faster than internal CAX30.
Hi, I just connected the CAX30 and the browser speed test shows a D/L of 933Mbps. The internal D/L speed test is around 340Mbps. The upload speeds match. Everything is fine on spectrums end. Netgea...
Power levels are a bit too high:
https://kb.netgear.com/24311/Power-level-guidelines-for-a-NETGEAR-cable-modem-router
The Warning seems to indicate something with the power that the ISP should take a look at. 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.
Also the internal speed test maybe picking a speed test server that is busier or not as accurate as other speed test services located near you. Ya I wish we could pick the servers with in the modem.
As long as your getting to spec speeds from a wired PC thru the modem, you'll be fine.
Hi again,
Would the cable status change from poor to good then or is that related to some other issue?
Thanks....
Possible. Other factors on the line can contribute to a Poor signal status.
I see some Correctables and Un-Correctables that should be zero as well, So the modem is attempting to use a possible bad signal on the line, making corrections where it can and where it can't with Un-Correctables.
Most of that would need to be checked by the ISP.
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://kb.netgear.com/24311/Power-level-guidelines-for-a-NETGEAR-cable-modem-router
https://www.duckware.com/tech/solving-intermittent-cable-modem-issues.html
https://highspeed.tips/docsis-events/