Configuring Device Security
Defining Authentication
ESW 500 Series Switches Administration Guide 111
5
• Single Connection — Maintains a single open connection between the device 
and the TACACS+ server when selected
• Use Default — Indicates that the factory default value is used. 
STEP 3 Define the relevant fields.
STEP 4 Click Apply. The TACACS+ settings are modified, and the device is updated.
Defining RADIUS
Remote Authorization Dial-In User Service
 (RADIUS) servers provide additional 
security for networks. RADIUS servers provide a centralized authentication 
method for web access. The default parameters are user-defined, and are applied 
to newly defined RADIUS servers. If new default parameters are not defined, the 
system default values are applied to newly defined RADIUS servers. 
To  d e f i n e  R A D I U S :
STEP 1 Click Security > Authentication > RADIUS. The 
RADIUS Page
 opens:
RADIUS Page
The 
RADIUS Page
 contains the following fields: