D-Link DGS-3100-24P Product Manual - Page 159

DGS-3100 Series Gigabit Stackable Managed Switch User Manual Defining RADIUS Settings Remote Authorization Dial-In User Service (RADIUS) servers provide additional security for networks. RADIUS servers provide a centralized authentication method for management 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. 1. Click Security > 802.1X > Authentic RADIUS Server. The Authentic RADIUS Server Page opens: Figure 5-6. Authentic RADIUS Server Page The Authentic RADIUS Server Page contains the following fields: Field Succession Description Defines the desired RADIUS server to configure. Network managers use up to 3 RADIUS servers for port authentication. The possible field values are: First - Indicates the RADIUS parameters are defined for the first RADIUS server. Second - Indicates the RADIUS parameters are defined for the second RADIUS server. Third - Indicates the RADIUS parameters are defined for the third RADIUS server. RADIUS Server Defines the RADIUS server IP addresses. The field format is X.X.X.X. Authentic Port Identifies the authentication port. The authentication port is used to verify the RADIUS server authentication. The authenticated port default is 1812. Accounting Port Defines the port used to send Start and Stop authentication messages. Information received through the RADIUS Accounting Port is recorded in the RADIUS Authentication Page. The default port is 1813. Key Defines the authentication and encryption key for communications between the device and the server. This key must match the encryption used on the server. Confirm Key Confirms the RADIUS key defined in the Key field. 2. Define the RADIUS server to configure in the Succession field. 3. Define the RADIUS server IP address in the RADIUS Server field. 143