Arris Surfboard Cable Modem/Xfinity Streaming App

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@cpomeroy wrote:

Modem  not visible to infinity.   Wifi working fine except for Xfinity Stream since it does not recogize Infinity as my ISP.

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if your xfinity internet is working, use a smart phone/tablet and run the Xfinity my account app. go to the internet tab, and select the gateway/modem. compare the 'serial number' shown with the actual MAC address on your current modem/gatewa. does it match exactly?