One thing to keep in mind is that even though the SB8200 has 2x ethernet ports, xfinity only supports 1 device connected to it. So if you have more than 1, try disconnecting everything from the modem, factory reset it , then power it off for arouond 10-15 minutes. Once that time has passed, power it on with nothing connected to it. give it a couple minutes. Then plug your router (just the router) into it. run through the setup process on the router.
One thing to keep in mind is that even though the SB8200 has 2x ethernet ports, xfinity only supports 1 device connected to it. So if you have more than 1, try disconnecting everything from the modem, factory reset it , then power it off for arouond 10-15 minutes. Once that time has passed, power it on with nothing connected to it. give it a couple minutes. Then plug your router (just the router) into it. run through the setup process on the router.
The Router is a Cisco/Linksys EA9200. I have since had Arris technical support perform numerous tests and have me returning it for a replacement. Thank You.
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