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CM1000V2 and comcast, CM1000 SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol
I've been battling disconnects, from 2-10 a day, packet loss, slow speeds. Playing World of Warcraft or Call of Duty becomes unplayable due to normal 50-60ms speeds going to 1100-2000ms+. I've spen...
Please post a copy and paste of the modems connection status page.
https://kb.netgear.com/30007/How-do-I-obtain-the-cable-connection-information-from-a-NETGEAR-cable-modem-modem-router
Be sure your using a good quality LAN cable between the modem and router. CAT6 is recommended.
What is the brand and model of the host wifi router connected to the modem?
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.
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
I'm going to go ahead and order new cables, should I go higher than CAT6 or will that suffice? I want to best perfomance available.
Thank you!
Your main channels have some correct and un-correcables.
I see the OFDMA channel has tons. This should be near zeros. something the ISP should help you resolve. Something to check the coax cable line and remove any splitters. Check all jack fittings and such.
Have the ISP check the signal up to the modem as well. Power on the line is a bit on the low side but in spec.CAT6 UTP is fine.
What is the distance between the modem and router?
What brand and model router are you using with the CM modem?Distance between modem and router is about 2.5 feet. Model of router is: tp-link AX1500 Wi-Fi 6 router.
Archer AX1500
AX1500 Wi-Fi 6 Router