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I'm using an Arris SB8200. For the past week or so, the Internet cuts out for 10-15 seconds several times an hour. I've run a recurring ping and it shows it dropping on the first hop from my router. It's not a Wi-Fi issue--I'm on Ethernet--and it impacts multiple devices. I've power-cycled my cable modem, factory reset it, etc. but still have this issue.
Can you post your signal levels from 192.168.100.1? Also, do you see anything in the logs like T3/T4 time-out errors?
I can't login to my cable modem. I can factory reset it, but when I login with the default username and password it brings me to a "change password" page. When I change the password, it returns an error that says "Device failed to update password."My guess--and it's just a guess--is that Cox flashes the firmware via the coax when I first plugged it in, and did so in a way that prevents subsequent password changes. But without that, there's no way for me to login to the admin console.Edit: That's interesting. Having multiple numeric characters apparently doesn't work. I figured out a combination of characters and one numeric character that does. Let me look through the logs...
If your internet disconnects for 10-15 seconds, it sounds like WiFi interference. If the modem actually went offline, it would take much longer for it to re-sync. What router are you using, WiFi modem/Pano, or your own?
Don't post the logs without removing the modem MAC address from it.
I'm on Ethernet. It's not WiFi. I've also run a continuous ping and it drops one hop after my 192.168.1.1.