New Problem with Netgear Router

[RoshaBeli]

I have an X6 8000 Netgear router that I use for coverage of my home. For a while, it worked fine with my FIOS Quantum Gateway. But starting today, I am having the following problem:

• FIOS, itself, and the FIOS router work fine and is able to connect to the internet

• The Netgear router, for local wifi works fine

• The Netgear router and the FIOS router see one another

• The Netgear router cannot see the internet (even though the light on the device is white).

There have been multiple attempts to reboot both devices. Anyone have any recommendations?

[plemans]

cascading routers can cause issues. 

What is Double NAT? | Answer | NETGEAR Support

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

[michaelkenward]

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@RoshaBeli wrote:

I have an X6 8000 Netgear router that I use for coverage of my home. For a while, it worked fine with my FIOS Quantum Gateway.

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I suspect that @plemans has hit the target.

What is the make and model of this FIOS Quantum Gateway?

You may like to investigate how to put it into bridge (modem only) mode.