freeradius for Cisco accounting

Hi,I'm Ichiro Yamaguchi from Japan. I installed freeradius ver.1.1.7 on Solaris 10(sparc). I want to use this radius server for Cisco AAA accounting function. I could not catch any information how to setup radius server for cisco accounting function. Please show me any information about this. Router configuration about accounting is below aaa accounting delay-start aaa accounting exec default start-stop group radius aaa accounting network default start-stop group radius aaa accounting connection default start-stop group radius aaa accounting system default start-stop group radius Thank you. Ichiro Yamaguchi