Orbi keeps dropping the DNS!

Try setting up manual DNS like I did here:

https://community.netgear.com/t5/Orbi/Orbi-firmware-update-v2-1-4-16-availability/m-p/1592753/highlight/true#M34020

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Falfam5406 wrote:
My house got stuck by lightening a few weeks ago and fried our TV, modem, receiver, projector, etc - the orbi + satellite were spared amazingly.
We bought the same NETGEAR modem but upgraded from CM600 to CM1000.
The orbi satellite is located just 2 rooms away about 40 feet in the “1media room” is away from the living room with the main orbi.
Since we replaced the modem we cannot get the DNS to stick, it keeps dropping thus dropping our internet for the whole house.
I have changed out Ethernet cables, rebooted, reset, reconnected, released and renewed everything numerous times and nothing works.
Please help me!
We work from home and this is making us want to pull our hair out!

ISP: Cox
Modem: CM1000
Router: RBR50 + 1 Satellite
SqFt: 3700
Orbi to Sat: 40ish feet

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