Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh ras aaaa show ?
The following commands are available:
Commands in this context:show accounting - Displays the current accounting provider.
show acctserver - Displays the RADIUS server(s) used for accounting.
show authentication - Displays the current authentication provider.
show authserver - Displays the RADIUS server(s) used for authentication.