I plan to drop PPPoE concentrators/routers at each remote/tower location which communicates with a RADIUS server(s) back at a NOC site. My question is regarding IP assignment via RADIUS. I will be using DMA's Radius Manager 3 and FreeRadius.
Is it possible to assign IP's from pools defined at the RADIUS server? At this point, I guess I would need to figure out how to route the /32's out to the PPPoE servers? Or, will I need to route a block of IP's to each PPPoE server and create pools on the Mikrotik boxes there? I'd prefer to assign IP's from pools on the RADIUS server to keep from potentially wasting unused IP's at the towers but just want to evaluate what options I have here.
Can someone comment on the best way to handle IP allocation when using this type of RADIUS/PPPoE setup?