If you are facing Xfinity Router Port Forwarding not working, then you can follow a few important steps like
check the port forwarding settings in your router,
Then check the WAN Ip address on the status page.
Now, when the settings port forwarding has a public IP address on your router's WAN interface, in order to allow connection to the internet. Port Forwarding will not work in case the WAN interface is using an address from ant private subnet.
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