On 12/22/2018 6:21 PM, John Hasler wrote: > mark writes: >> From your description of the problem, it sounds like it is the router >> that is not doing its job properly. > > This is a Comcast-supplied combination router-modem-ap? From everything > I've read and been told by people who know from experience the firmware > in those is always buggy and insecure (the supplier always has a > backdoor, for example). In my experience even simple DSL modems with no > wifi are unstable when you let them try to be routers. Comcast may be > willing to swap it for a different one (probably one they got back from > another unhappy customer but never tested) but it's not likely to be > better. Put the thing in bridge mode and put a real router behind it. > Otherwise you are entrusting the security of your LAN to Comcast. >
Or if you can get a modem only and use your own router (1). One easy way to determine if the wifi is at fault would be to be wiredly connected to the router. https://20somethingfinance.com/how-to-replace-a-comcast-modem-with-your-own/ -- John Doe