Aaa; Chapter 24 Aaa; Overview; What You Can Do - ZyXEL Communications GS 2200 Manual

24.1 Overview

This chapter describes how to configure authentication and authorization settings on the Switch.
The external servers that perform authentication and authorization functions are known as AAA
servers. The Switch supports RADIUS (Remote Authentication Dial-In User Service, see
page 183) and TACACS+ (Terminal Access Controller Access-Control System Plus, see
page 183) as external authentication and authorization servers.
Figure 115 AAA Server
Client

24.1.1 What You Can Do

• Use the AAA screen
both of them on the Switch.
• use the RADIUS Server Setup screen
server settings.
• Use the TACACS+ Server Setup screen
authentication settings.
• Use the AAA Setup screen
authenticate users accessing the Switch and specify which database the Switch should use first.

24.1.2 What You Need to Know

Authentication is the process of determining who a user is and validating access to the Switch. The
Switch can authenticate users who try to log in based on user accounts configured on the Switch
itself. The Switch can also use an external authentication server to authenticate a large number of
users
Authorization is the process of determining what a user is allowed to do. Different user accounts
may have higher or lower privilege levels associated with them. For example, user A may have the
right to create new login accounts on the Switch but user B cannot. The Switch can authorize users
based on user accounts configured on the Switch itself or it can use an external server to authorize
a large number of users.
GS2200-8/24 User's Guide
C
(Section 24.2 on page 183) to enable authentication and authorization or
(Section 24.3 on page
(Section 24.4 on page
(Section 24.5 on page
HAPTER
AAA Server
183) to configure your RADIUS
186) to configure your TACACS+
188) to specify the methods used to
2 4

AAA

Section on
Section on
182