Need documents on installing and configuring RDS 8.2 with AAA Authentication and RADIUS Server

Issue

Need documents on installing and configuring the RDS 8.2 with following requirements.

• Linux based Radius server should feature WebGUI interface for configuration and monitoring
• Radius server should provide authentication services to remote access VPN system and other modes
• The Radius server should feature - AAA (authorization, authentication and accounting)
• The Radius server should be integrated with LDAP, ADS Server, PostGres Server
• Flexible and extensible event logging. Logging to flat files, STDOUT, SQL, Syslog
• Supports plain text, unix Crypt, MD% Crypt, SHA Crypt.

• Should integrate with Cisco Routers, Firewalls and Switches.

• Should support NAS devices including Dialup DSL, Wireless VPN, GPRS etc.