@Triple3D Update: I saw someone post elsewhere on a Verizon forum that they believe this doesn't work well with fiberoptic neworks where they send ethernet cable in the house from the ONT outside. I...

Absolutely a major flaw with this system. Spent all day trying to set this up and having failed ethernet backhaul. Never occurred to me that the LAN port would be disabled as it auto-sensed. I had to...