Chapter 25 AAA
XS1920 Series User’s Guide
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Accounting is the process of recording what a user is doing. The Switch can use an external server
to track when users log in, log out, execute commands and so on. Accounting can also record
system related actions such as boot up and shut down times of the Switch.
Local User Accounts
By storing user profiles locally on the Switch, your Switch is able to authenticate and authorize
users without interacting with a network AAA server. However, there is a limit on the number of
users you may authenticate in this way (See
RADIUS and
RADIUS and are security protocols used to authenticate users by means of an external
server instead of (or in addition to) an internal device user database that is limited to the memory
capacity of the device. In essence, RADIUS and authentication both allow you to validate
an unlimited number of users from a central location.
The following table describes some key differences between RADIUS and .
25.2 AAA Screens
The
AAA
screens allow you to enable authentication and authorization or both of them on the
Switch. First, configure your authentication server settings (RADIUS, or both) and then
set up the authentication priority, activate authorization.
Click
Advanced Application
>
AAA
in the navigation panel to display the screen as shown.
Figure 145
Advanced Application > AAA
25.3 RADIUS Server Setup
Use this screen to configure your RADIUS server settings. See
for more information on RADIUS servers and
for RADIUS attributes
Table 94
RADIUS vs.
RADIUS
Transport
Protocol
UDP (User Datagram Protocol)
TCP (Transmission Control Protocol)
Encryption
Encrypts the password sent for
authentication.
All communication between the client (the Switch)
and the TACACS server is encrypted.
Summary of Contents for XS1920 Series
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