Thanks Bruce, you nailed it. I forward 51820 UDP/TCP & selected the Brume 2 from the list of devices attached to nighthawk router WORKED!!!
now my question is should I enable LAN & VPN Cascading ??? or leave lan off for security you see my setup is Brume VPN Server behind nighthawk router to stream geo locked USA content netflix ext hulu, amazon........NBA, NFL, MMA