WiSPr

Hey al, iread that i can rate limit on a per user basis with the WISPr-Bandwidth-Max-Down and Up.. correct? Can someone please tell me how i can do this? I have freeradius running on Ubuntu server, with mysql atabase and daloradius for web management. My users connect to the freeradius through the captive portal on my pfSense firewall. Thanks in advance