String pass = args[3];
RadiusClient rc = new RadiusClient(host, shared);
// 1. Send Access-Request
AccessRequest ar = new AccessRequest(user, pass);
ar.setAuthProtocol(AccessRequest.AUTH_PAP); // or AUTH_CHAP
ar.addAttribute("NAS-Identifier", "this.is.my.nas-identifier.de");
ar.addAttribute("NAS-IP-Address", "192.168.0.100");
ar.addAttribute("Service-Type", "Login-User");
ar.addAttribute("WISPr-Redirection-URL", "http://www.sourceforge.net/");
ar.addAttribute("WISPr-Location-ID", "net.sourceforge.ap1");
System.out.println("Packet before it is sent\n" + ar + "\n");
RadiusPacket response = rc.authenticate(ar);
System.out.println("Packet after it was sent\n" + ar + "\n");
System.out.println("Response\n" + response + "\n");