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Upstream Light on CM2000 Blinks Constantly
Just installed new CM2000 to replace an old CM1000. The installation through Xfinity went smoothly except for the fact that the Upstream light is constantly blinking. The old CM1000 never did this. T...
Just to let everyone know Xfinity tech came to house today and determined that the outside cable (been in the ground for 18 years) was damaged and replaced the cable. This resolved the issue as internet now works properly.
Please post a copy and paste of the modems connection status and event log page.
https://kb.netgear.com/30007/How-do-I-obtain-the-cable-connection-information-from-a-NETGEAR-cable-modem-modem-router
https://kb.netgear.com/30008/How-do-I-view-or-clear-the-event-logs-on-my-NETGEAR-cable-modem-or-modem-router
Be sure your using a good quality LAN cable between the modem and router. CAT6A STP is recommended.
What is the brand and model of the host wifi router connected to the modem
WiFi router is Netgear Nighthawk X6S AC4000 TriBand Router. No other changes were made. All I did was unhook the old modem and attached the coax and plugged it back in then went through the Xfinity app to setup. As an experiment I reinstalled the old CM1000 and it worked fine.