Ibsng with pfsense ? how ?

[s_265_925]

hi all ! ;D
i want to use ibsng az radius and also accounting !  ::)
supported ras in ibsng is :
Asterisk, BSAE, ChilliSpot, Cisco, CiscoVPDN, GnuGk, MVTS, Mikrotik, Persistent Lan, PortMaster, Portslave, Quintum Tenor, Ser , Total Control , pppd
http://ibs.sourceforge.net/

what do you think ! how can i use pfsense+ibsng together ! ???
any idea ?
anyone do this ?