TP-Link T1600G-18TSTL-SG2216 T1600G-18TSUN V1 Configuration Guide - Page 610

Configuring Network Security AAA Configuration Follow these steps to add a RADIUS server: 1) In the Server Config section, configure the following parameters. Server IP Enter the IP address of the server running the RADIUS secure protocol. 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. Configuration Guide 587