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Kestrel1's avatar
Kestrel1
Aspirant
Oct 03, 2021
Solved

R7800 cannot get IP from Xfinity

Yesterday, our R7800 router spontaneously lost Internet twice from Xfinity. The first time, it came back 15 minutes after a modem/router power cycle. The second time it stayed down and will not come b...
  • Kestrel1's avatar
    Oct 04, 2021
    Well, I found a solution sort of.

    I pretty much gave up and tried the last thing I could think of: Reset to factory defaults.

    I then reconfigured the router from scratch with the exact same settings I used before. I instantly connected online.

    No idea what the cause was, I can only assume some kind of software fault or corrupted config file. In any event, I guess I don’t need a new router.