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Comcast change broke CM2000
Hi All, This is very similar to https://community.netgear.com/t5/Cable-Modems-Gateways/NETGEAR-Nighthawk-CM2000-Internet-does-not-work-on-connected/td-p/2171343 but a little different. Hoping to g...
If the cm2000 worked fine directly connected to the modem---pc route, i wouldn't be suspecting the modem. I'd be looking at the router closer.
Thanks plemans. I agree with your thinking, but there's nothing that I can change on the router regarding it's handling of the WAN port. I think I'm going to factory-reset the CM2000 and try another self-install. It may take several days. I'll report back and share my experience.
Somehow, my 2nd reply (which I marked as solution) disappeared. Re-posting as much as I can remember here.
Thanks plemans! The problem was indeed solved by a change on the router.
I had to disable "Network Service Detection" on my Cisco RV345.
I found the solution here: https://community.cisco.com/t5/routers-small-business/cisco-rv-340-dropping-xfinity-wan/m-p/4459915#M41833