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Forum Discussion
ryuva
Dec 12, 2025Aspirant
Port forwarding not working on Orbi Router RBR350
Hi all, i have an RBR350 router at home, only router, which is connected to the ONT of the ISP. i have tried setting up the port forwarding 5510 for my NAS, on the router. Settings have been sav...
FURRYe38
Dec 12, 2025Guru - Experienced User
What Firmware version is currently loaded?
What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too?
Make sure you disable uPnP on the RBR as well.
Is Armor or SPC enabled on the RBR?
ryuva
Dec 12, 2025Aspirant
router Firmware Version is V4.4.2.1_3.10.82
ONT Model is Viewqwest HG6240A
uPnp, Armor and SPC everything is disabled
- FURRYe38Dec 12, 2025Guru - Experienced User
Online support for that model ONT seems to show that this ONT may have a router built in. This would interfer with getting port forwarding working correctly on the RBR.
Have the ISP check this with you and if it supports it, have them bridge the ONT fully. Or use it's DMZ for the RBR.
- StephenBDec 12, 2025Guru - Experienced User
ryuva wrote:
ONT Model is Viewqwest HG6240A
I believe this has a built-in router, since it has more than one LAN port. If so, you have a double-NAT configuration. If I'm correct, the WAN address check I requested earlier will uncover that