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Forum Discussion
Orbi RBK752 No Internet Connection
Xfinity is my ISP. The cable modem connecting to the internet is locating in a room above my garage, connecting to my desktop. I extend wi-fi through the downstairs portion of my house using three ...
Please post about this over in the Orbi AX forum:
https://community.netgear.com/t5/Orbi-AX/bd-p/en-home-orbi-ax
What Firmware version is currently loaded?
What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too?
Power OFF the ISP Modem and RBR for 1 minute. Then back ON with the modem first, then the RBR. Be sure to use port #1 on the modem for the RBR ethernet cable.
Xfinity voice and data modem:
CISCO DPC3941TSerial #: 48F7C0D3CE0D
Firmware is up to date.
Your ISP modem already has a router built in. This would be a double NAT (two router) condition which isn't recommended. https://kb.netgear.com/30186/What-is-Double-NAT
https://kb.netgear.com/30187/How-to-fix-issues-with-Double-NAT
Couple of options,
1. Configure the modem for transparent bridge or modem only mode. Then use the Orbi router in router mode. You'll need to contact the ISP for help and information in regards to the modem being bridged correctly.
2. If you can't bridge the modem, disable ALL wifi radios on the modem, configure the modems DMZ/ExposedHost or IP Pass-Through for the IP address the Orbi router gets from the modem. Then you can use the Orbi router in Router mode.
3. Or disable all wifi radios on the modem and connect the Orbi router to the modem, configure AP mode on the Orbi router. https://kb.netgear.com/31218/How-do-I-configure-my-Orbi-router-to-act-as-an-access-point and https://www.youtube.com/watch?v=H7LOcJ8GdDo&app=desktop
https://kb.netgear.com/26765/Disabled-Features-on-the-Router-when-set-to-AP-ModeTry option 3 first to see if this works.
Be sure your using a good quality LAN cable between the modem and Orbi router. CAT 6 is recommended.
Be sure you use LAN#1 port on the back of the modem...