RADIUS - Overview

RADIUS is a protocol for carrying authentication, authorization, and configuration information between a Network Access Server which desires to authenticate its pnks and a shared Authentication Server.

RADIUS stands for Remote Authentication Dial In User Service.

RADIUS is an AAA protocol for apppcations such as Network Access or IP Mobipty

Works in both situations (a) Local (b) Mobile.

Uses PAP, CHAP or EAP protocols to authenticate users.

Look in text file, LDAP Servers, Database for authentication.

After authentication services parameters passed back to NAS.

Be notified when the session starts and top. This data will be used for Bilpng or Statistics purposes.

SNMP is used for remote monitoring

Can be used as a proxy.

Simple RADIUS Network Diagram