RADIUS server 認證 switch 設定 802.1X authentication

To enable 802.1X authentication on a switch port, on the switch CLI, enter these commands:

Switch# configure terminal
Switch(config)# dot1x system-auth-control
Switch(config)# aaa new-model
Switch(config)# aaa authentication dot1x default group radius
Switch(config)# radius-server host ip_addr auth-port port acct-port port key key
Switch(config)# interface fastethernet2/1
Switch(config-if)# switchport mode access
Switch(config-if)# dot1x pae authenticator
Switch(config-if)# dot1x port-control auto
Switch(config-if)# end