@ArcherC8 Yes, the WAN port is set to dynamic ArcherC8 wrote @APCG Did you set your router's IP to dynamic assuming this is a home router for xfinity.

@ArcherC8 I appreciate your response, however I am a System Engineer. These steps are fundamental steps that I have already done. I know to boot up modem first and then the router. I do not believe...

I have a AX1500 Router that when Comcast replaces the modem, all communication to the router stops. yes, we have rebooted the router, verified subnet settings, no static IP's, Comcast modem has...