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Forum Discussion
Solved
Orbi RBR860 - DNS issue with website
Computer: Using 2023 MacBook Air and an older Dell Latitude (work). Also occurred on a former 2013 MacBook Pro as well as my Samsung Galaxy S22+ when connected to the home network. Connection: Have ...
It would be useful to see the error messages. Both the MacBook and the Lattitude have the option to define DNS servers. What happens if they are set up to use Google DNS? (8.8.8.8) or CloudFlare (1.1.1.1)?
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...
- Unfortunately I cannot deactivate the ISP WiFi or I lose my TV because they hardcode the cable box to their wifi exclusively (they have monopoly in town). They also do not allow anything other than standard configuration of their equipment for the same reason and they want to force customers to use their wifi equipment exclusively. They are the only broadband ISP in town until late this or sometime next year...
Ok, so give option#2 a try and see if this helps with the DNS issue. Just configure the DMZ on the modem for the RBR.
- Again, I have zero access to their equipment and historically refused to alter any settings due to their monopoly here. If it were my personal modem this would not be an issue but they don't care about customers or service (Optimum/Suddenlink). I will contact them with the info provided however and make a bit of noise about it to see if it helps.
Thanks