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Forum Discussion
Use my Netgear device as a router with a Bell modem
I have an Orbi RBR850 router and 2 satellites. My Orbi routes is connected in AP mode to the Bell modem SagemCom Gigabub fiber (one of the modem switch ports goes to the Netgear internet port) My n...
Yes you can...If 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://community.netgear.com/t5/Orbi-WIFI-6-AX-AND-Wi-Fi-6E-AXE/Procedure-for-Factory-reset-of-RBS850/m-p/2367505/highlight/true#M53985
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...
Regarding option 2:
1. Do I leave the ethernet connection as it is?
2. Do I disable the modem DHCP?
3. if I disable the modem DHCP, then after switching the netgear to router mode, it will get the 192.168.1.1 default address.
Is it that addresses I have to put in the modem DMZ?
belilan wrote:
Regarding option 2:1. Do I leave the ethernet connection as it is?
Yes.2. Do I disable the modem DHCP?You'll need to consult with the ISP or the modem's manufacturer on how to properly bridge the modem, if it supports that feature.3. if I disable the modem DHCP, then after switching the netgear to router mode, it will get the 192.168.1.1 default address.Modem needs to be put in to Bridge mode or the DHCP service needs to be kept enabled. You can set the RBR for a different IP address of 192.168.0.1 and this will avoid what the modem maybe using that could be 192.168.1.1.Is it that addresses I have to put in the modem DMZ?No, the IP address the RBR gets on it's WAN port or internet services would need to be put in to the modems DMZ. Look on the RBRs web page under Advanced Tab/Internet section on the right to see what IP address the RBR gets from the ISP modem.From what I know, I cannot put this modem in bridge mode.
I'm not sure to understand if I have to leave DHCP enabled in my modem, wouldn't be conflicting with the one of the RBR?
And I have looked in the RBR, I do not have an Internet section under advanced...
Yes you'll need to leave the DHCP server running on the modem if it can't be put into bridge mode.
Do the following on 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 fully. LAN port is same area and section for Internet section seen on the RBRs web page. So that 192.168.2.x address is what the RBR is getting from the modem. Put that into the modems DMZ.