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Forum Discussion
Nighthawk Xfinity Issues
Has anyone had issues connecting to the new white Xfinity gateway modems? My nighthawk app is detecting my router but will say that my cable isn’t connecting almost like I need to open a port. Any advice will help.
1 Reply
What router do you have?
What xfinity router is it?
Is it just the netgear app not connecting? (if you're on ios, disable icloud relay and private mac/ip address)
It could be the xfinity device being a modem router combo device and causing a double nat.
A double nat happens when you cascade more than 1 router.
https://kb.netgear.com/30186/What-is-Double-NAT
Fixes? There’s 3 options but only use 1.
1. Put the modem/gateway in modem only/pass through mode. This disables its routing functions.
2. Leave the modem/gateway in router mode but put the Netgears IP address into its DMZ. This forwards the data to the netgear. You can either leave the modem/gateway’s wireless enabled or disabled. Just make sure its using a different wifi channel to prevent interference
3. Put the Netgear into access point mode. This disables its routing functions. Wifi/ethernet still works but it does disable some features.
https://kb.netgear.com/26765/Which-features-are-disabled-on-my-NETGEAR-router-when-it-is-set-to-AP-Mode
