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Forum Discussion
geminicode67
May 16, 2023Follower
Cannot configure Orbi RBR750 Internet Setup with DNS Down
I have the Orbi setup as a the WiFi device for my ATT Fiber internet connection. The ATT Device is the DHCP server and ATT controls DNS settings. This morning ATT DNS servers were unresponsive. ...
FURRYe38
May 16, 2023Guru - Experienced User
Has a power off for 1 minute then back ON with the ISP modem and router been performed since last update?
Be sure to restart your network in this sequence:
Turn off and unplug modem.
Turn off router and computers.
Plug in and turn on modem. Wait 2 minutes for it to connect.
Turn on the router and wait 2 minutes for it to connect.
Turn on computers and rest of network.
Try a different web browser.
Try disabling the following and see:
Armor, Smart Parental Controls
Disconnect the RBR from the ISP modem and reboot the RBR. Then try logging into the RBRs web page with a PC and web browser at 192.168.1.1
Your ISP Modem already has a built in router and wifi. 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
Try option #2 first.
Contact your ISP for help and support information regarding there services and problems.