Go through normal eNodeB setup from the Baicells manual. Then make sure these settings are made:
Save everything and reboot.
Log into UE, upgrade to BCE-ODU-1.0.12 and leave everything at default except the following:
Set the customer router to:
IP address: 192.168.254.254/24
Default GW: 192.168.254.254
DNS1: 192.168.254.1
DNS2: 8.8.8.8
Then set the DMZ to pint to the customer router: