TP-Link T1500-28TC TL-SL2428 T1500-28TCUN V1 Configuration Guide - Page 445

Configuring Network Security 802.1X Configuration  Adding the RADIUS Server Choose the menu Network Security > AAA > RADIUS Config to load the following page. Figure 6-2 RADIUS Config Follow these steps to create a protocol template: 1) In the Server Config section, configure the parameters of RADIUS server. 2) Click Apply. 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. 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.  Configuring the RADIUS Server Group You can configure the radius servers for authentication and accounting. If multiple radius servers are available, you are suggested to add them to different server groups respectively for authentication and accounting. Configuration Guide 424