RAX45 Nighthawk will not save port forwarding

[JWhistler]

I purchased the RAX45 from Costco in February of this year and it has been performing admirably until today.

I have (had) one port forward to my Blue Iris server.  Today, I could not log in on the port forward.  When I checked the setup on the modem, the port forward was blank/gone.   

When I try to re-enter the port forward and "Apply" the setting, I am returned to screen which shows no port forwards.  Nothing has been saved.

Any ideas greatly appreciated!

[michaelkenward]

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@JWhistler wrote:

When I checked the setup on the modem, the port forward was blank/gone.   

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What is that modem? The RAX45 is a router. Is the modem a combined modem/router?

Two routers are a recipe for disaster.

What is Double NAT? | Answer | NETGEAR Support

and

How to fix issues with Double NAT | Answer | NETGEAR Support

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