Thanks for the ideas, I will try troubleshooting. My ISP is Xfinity. The modem is a surfboard sb6183 Sam

@TucanAz BTW, I have upgraded to the latest firmware....

My internet LED light intermittently goes red, and the devices temporarilly lose connection. It generally comes back in 30 seconds or so, but it happens farily regularly. Quite annoying. Any ideas on...