TP-Link TL-SG3216 manual On the Network Security→802.1X→Global Config

Primary IP:	Enter the IP address of the authentication server.
Secondary IP:	Enter the IP address of the alternate authentication server.
Authentication Port:	Set the UDP port of authentication server(s). The default port is 1812
Authentication KEY:	Set the shared password for the switch and the authentication
	servers to exchange messages.
¾ Accounting Config
Accounting:	Enable/Disable the accounting feature.
Primary IP:	Enter the IP address of the accounting server.
Secondary IP:	Enter the IP address of the alternate accounting server.
Accounting Port:	Set the UDP port of accounting server(s). The default port is 1813.
Accounting Key:	Set the shared password for the switch and the accounting
	servers to exchange messages.
Note:

1.The 802.1X function takes effect only when it is enabled globally on the switch and for the port.

2.The 802.1X function can not be enabled for LAG member ports. That is, the port with 802.1X function enabled can not be added to the LAG.

3.The 802.1X function should not be enabled for the port connected to the authentication server. In addition, the authentication parameters of the switch and the authentication server should be the same.

Configuration Procedure:

Step	Operation			Description
1	Connect an	authentication		Required. Record the information of the client in the LAN to
	server to the switch and do			the authentication server and configure the corresponding
	some configuration.			authentication username and password for the client.
2	Install the	802.1X	client	Required. For the client computers, you are required to
	software.			install the 802.1X software TpSupplicant provided on the
				CD. For the installation guide, please refer to Appendix D:
				802.1X Client Software.
3	Configure	the	802.1X	Required. By default, the global 802.1X function is disabled.
	globally.			On the Network Security→802.1X→Global Config page,
				configure the 802.1X function globally.
4	Configure the parameters of			Required. On the Network Security→802.1X→Radius
	the authentication server			Server page, configure the parameters of the server.
5	Configure the 802.1X for the			Required. On the Network Security→802.1X→Port
	port.			Config page, configure the 802.1X feature for the port of
				the switch based on the actual network.
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