I've been a network engineer for over 20 years. Built a 20 POP ISP in the 90's, ran a nationwide high speed internet in hotels operation, ran a major telco's routing and switch engineering, etc, etc.
I have Not configured this specific device but I'm willing to give you a 50% discount here to $250 to let me get in and figure it out. I'm free all day NY time.
Regards,
Joe