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Forum Discussion
gwhite66
Apr 23, 2024Aspirant
Orbi AX6000 (RBR850) - blocking one of my email addresses in/out
My RBR850 appears to be blocking one of my email addresses from receiving/sending to my laptop. When I connect directly to my cable modem, the traffic flows fine. When I reconnect to my RBR850 again,...
gwhite66
Apr 24, 2024Aspirant
have not Comcast Xfinity Modem
PN: CGM4331COM
FCC ID: G954331X
I think I am using cat5, but literally nothing changed in the last few months (that I can identify) which would initiate the blocking of email. Certainly nothing physical on the setup.
Everything you suggested is blocked, except traffic meter, which I disabled (again, its been running for 2 years). Nothing changed on the apple device. Nothing I know changed on the email server side.
I have NOT done a factory reset & setup from scratch since last FW update - you'd think that a modern product would not require a complete build from scratch every time an over the air FW update was sent, but hey, I'll do it if there's a reasonable chance of fixing the problem!
FURRYe38
Apr 24, 2024Guru
Your ISP Modem already has a built in router and Wi-Fi. 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 Wi-Fi 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 Wi-Fi 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
Lets try option #2 first...
gwhite66 wrote:
have not Comcast Xfinity Modem
PN: CGM4331COM
FCC ID: G954331X
I think I am using cat5, but literally nothing changed in the last few months (that I can identify) which would initiate the blocking of email. Certainly nothing physical on the setup.
Everything you suggested is blocked, except traffic meter, which I disabled (again, its been running for 2 years). Nothing changed on the apple device. Nothing I know changed on the email server side.
I have NOT done a factory reset & setup from scratch since last FW update - you'd think that a modern product would not require a complete build from scratch every time an over the air FW update was sent, but hey, I'll do it if there's a reasonable chance of fixing the problem!
- gwhite66Apr 24, 2024Aspirant
Apologies - the Xfinity modem is always in bridge mode, always has been.
- FURRYe38Apr 24, 2024Guru
Something to try out before doing a factory reset, Set the modem back to router mode then disable any Wifi radios there, then configure the RBR for AP mode and see if this email address is getting blocked still.
Can try the RBR in router mode as well as long as you use the DMZ or IP pass-thru feature on the modem while in router mode for the RBR that's in router mode..