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Forum Discussion
Orbi RBR850 router pops up twice in the connected devices list on the ISP router
Hi, I am unsure if it has always been like this and how it is supposed to be or if something strange is happening. I have the RBK852 set of 1 router and 1 satellite but when looking at the Conne...
Something to ask the ISP about or Mfr of the ISP modem/ONT.
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...
https://kb.netgear.com/000061277/Which-features-are-disabled-on-my-Orbi-router-when-it-is-set-to-AP-Mode
Thanks for the information. So yes I understand the double NAT condition and the Orbi is set to Access Point but I got intrigued by your second option. I can't put my ISP modem into bridge however I can set IP a DMZ for Orbi Router and put it back into Router mode.
I do have a couple of questions:
1. Do I have to disable the DHCP server on the ISP modem if I DMZ the Router?
2. Do I set up a Dynamic IP or Static IP when the Router in DMZ
3. UPNP is turned off on the ISP modem but turned on by default on the Orbi Router. Do I have to turn it on in the ISP modem too?
4. Do I keep IPv6 on? Does that matter?
5. The firewall settings on the ISP modem can't be turned off all the way. Should I leave as is on medium or lower it?
Thanks again! much appreciated.
IF the Orbi is in AP mode, and then the host router should be in router mode and no DMZ or IP pass thru is needed.
If you have the host router in bridge mode, and the Orbi in router mode, DMZ or IP pass thru is not needed.
If you have the host router in router mode and the Orbi in router mode, then DMZ or IP pass thru would be needed on the ISP modem/router.
FURRYe38 wrote:If you have the host router in router mode and the Orbi in router mode, then DMZ or IP pass thru would be needed on the ISP modem/router.
So I went with this option, What do I do with the following?
1. Do I have to disable the DHCP server on the ISP modem if I DMZ the Router?
2. Do I set up a Dynamic IP or Static IP when the Router is in the DMZ
3. UPNP is turned off on the ISP modem but turned on by default on the Orbi Router. Do I have to turn it on in the ISP modem too?
4. Do I keep IPv6 on? Does that matter?
5. The firewall settings on the ISP modem can't be turned off all the way. Should I leave it as is on medium or lower it?
Thank you!
Much appreciated!