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Forum Discussion
pitosalas
Jul 31, 2019Aspirant
Orbi + Comcast cable modem in Bridge Mode
I have a Comcast/XFinity Cable Modem. It's only connection is an Orbi (Netgear) mesh wifi device. I am trying to set up DDNS. While I have a good high level understanding I don't have enough to sort ...
FURRYe38
Aug 01, 2019Guru - Experienced User
Modem Combo Units:
This would be a double NAT condition which isn't recommended. https://kb.netgear.com/30186/What-is-Double-NAT
Couple of options,
1. Configure the modem for transparent bridge 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