TP-Link T1500-28TC TL-SL2428 T1500-28TCUN V1 Configuration Guide - Page 460

Configuring Network Security AAA Configuration Shared Key Enter the shared key between the RADIUS server and the switch. The RADIUS server and the switch use the key string to encrypt passwords and exchange responses. Auth Port Specify the UDP destination port on the RADIUS server for authentication requests. The default setting is 1812. Acct Port Specify the UDP destination port on the RADIUS server for accounting requests. The default setting is 1813. Usually, it is used in the 802.1X feature. Retransmit Specify the number of times a request is resent to the server if the server does not respond. The default setting is 2. Timeout Specify the time interval that the switch waits for the server to reply before resending. The default setting is 5 seconds. 2) Click Add to add the RADIUS server on the switch.  Adding TACACS+ Server Choose the menu Network Security > AAA > TACACS+ Conifg to load the following page. Figure 7-3 TACACS+ Server Configuration Follow these steps to add a TACACS+ server: 1) In the Server Config section, configure the following parameters. Server IP Enter the IP address of the server running the TACACS+ secure protocol. Timeout Specify the time interval that the switch waits for the server to reply before resending. The default setting is 5 seconds. Shared Key Enter the shared key between the TACACS+ server and the switch. The TACACS+ server and the switch use the key string to encrypt passwords and exchange responses. Server Port Specify the TCP port used on the TACACS+ server for AAA. The default setting is 49. Configuration Guide 439