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Solved
New Nighthawk X6S (R7900P) won't connect to internet
I just picked up the router yesterday at Costco and cannot get it to connect to my cable modem. I've got an Arris SB6121 modem and my ISP is Cox. The internet works fine with my old router as well as...
- For anyone who finds this thread in the future replacing the cable modem did the trick. Had it working within minutes of getting the new modem provisioned.
I wasn't aware there was a combo unit that shared the model number, but my modem is a modem only--no router component at all. It's this one. The only thing I can even control on the configuration is to factory reset it. Also even though the modem manual claims it has instructions on how to set it up with a router it does not. It only has instructions for various operating systems. It is an older modem, so I could try a newer one.
Thanks for the reply.
Edit:
You've got me down the path of troubleshooting the modem now, which makes sense since I doubt I'd get two bad routers in a row. Another forum suggested that user disable IPv6. I'm not home to try it, but does that sound feasible? I purchased my modem in 2013, so I kind of doubt IPv6 was universally supported back then.
For anyone who finds this thread in the future replacing the cable modem did the trick. Had it working within minutes of getting the new modem provisioned.