@WiRXMAN Just as an update to my issue i had in this thread, it turned out to be not one, but two bad 'new' Netgear Nighthawk CM1200 Cable Modems. The first one was bad from the get go. That dibacle...

@gumgum im having the same issue. I just set up this network last night with the three pack deco x20's and I've had several times the network just says "WiFi connection has been lost" on our...