[App_rpt-users] off allstarlink node

I want to link a couple of repeater together with app-rpt/asterisk. I want to do this off the allstar network. My plan is to only have one repeater available to link in to the allstar network and the others on a private network. I am just diving into this so I need some help. I know I will have to have them on static ips or use dydns. The big question is how do I set up the iax.config file to make this happen? Would I make up a node number for these, would I need to dial a *3XXX to dial the node, and is there anything else I will need to do? Any pointers would be great. Thank for any help Neal NG8Y