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Douglagug's avatar
Douglagug
Follower
Dec 15, 2020

Nighthawk AX6 / CM1200 / Xfinity

Trying to replace the Xfinity gateway and mesh. Have cm1200 functioning as new modem. Hardwired devices operational. Cannot, after hours upon hours of tech support get connection to the nighthawk. Any insights are appreciated.

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  • plemans's avatar
    plemans
    Guru
    Dec 15, 2020

    You have the cm1200?

    And the RAX120? 

     

    Is the cm1200 activated and working? You're able to connect a pc/laptop to it and it works? 

    Something to keep in mind with the cm1200, it has 4x ports but on xfinity only 1 device can be connected to it. It does have wan port aggregation (which i wouldn't use). 

    so if you have it activated. power the cm1200 and the rax120 off. unplugg all devices from both (even coax from cm1200).

    then reconnect coax to cm1200 and power it on. give it a couple minutes. 

    then connect lan port 1 on cm1200 to wan port on rax120 and power the router on. 

    give it several minutes and attempt setup.