Router 605 with USB for 4G modems. It ONLY has the USB modem, no other WAN. Only the USB Modem port is active, other WAN ports unchecked. When trying to add any VPN, ( IPSec, PPP, L2TP, server/client,

I have 3 sites. Each with its own software controller. Goal: have ONE soft controller. Have all remote sites connect and use that one controller. I have followed to a T these instructions: https://www