TP-Link T1600G-18TS Configuration Manual page 602

Configuring Network Security
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The following example shows how to enable AAA, add a RADIUS server to the server group
named radius1, and apply this server group to the 802.1X authentication. The IP address of
the RADIUS server is 192.168.0.100; the shared key is 123456; the authentication port is
1812; the accounting port is 1813.
server ip-address
Add the existing servers to the server group.
ip-address : Specify IP address of the server to be added to the group.
exit
Return to global configuration mode.
aaa authentication dot1x default { method }
Select the radius group for 802.1X authentication.
Specify the radius group for 802.1X authentication.
method:
aaa accounting dot1x default { method }
Select the radius group for 802.1X accounting.
Specify the radius group for 802.1X accounting.
method:
Note: If multiple radius servers are available, you are suggested to add them to different
server groups respectively for authentication and accounting.
show aaa global
(Optional) Verify the global configuration of AAA.
show radius-server
(Optional) Verify the configuration of RADIUS server.
show aaa group [ group-name ]
(Optional) Verify the configuration of server group.
show aaa authentication dot1x
(Optional) Verify the authentication method list.
show aaa accounting dot1x
(Optional) Verify the accounting method list.
end
Return to privileged EXEC mode.
copy running-config startup-config
Save the settings in the configuration file.
802.1X Configuration
Configuration Guide 579