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Software Configuration Guide—Release 15.0(2)SG
OL-23818-01
Chapter 40 Configuring 802.1X Port-Based Authentication
Configuring 802.1X Port-Based Authentication
This example shows how to enable MDA and to allow both a host and a 802.1X voice device (a Cisco or
third-party phone with 802.1X supplicant) on the port:
Cisco IOS Release 12.2(50)SG and later
Switch# conf terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# interface FastEthernet3/1
Switch(config-if)# shut
Switch(config-if)# switchport access vlan 12
Switch(config-if)# switchport mode access
Switch(config-if)# switchport voice vlan 10
Switch(config-if)# dot1x pae authenticator
Switch(config-if)# authentication port-control auto
Switch(config-if)# authentication host-mode multi-domain
Switch(config-if)# no shut
Switch(config-if)# end
Cisco IOS Release 12.2(46)SG or earlier
Switch# conf t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# interface FastEthernet3/1
Switch(config-if)# shut
Switch(config-if)# switchport access vlan 12
Switch(config-if)# switchport mode access
Switch(config-if)# switchport voice vlan 10
Switch(config-if)# dot1x pae authenticator
Switch(config-if)# dot1x port-control auto
Switch(config-if)# dot1x host-mode multi-domain
Switch(config-if)# no shut
Switch(config-if)# end
This example shows how to enable MDA and to allow both a host and a non-802.1X voice device on the
port:
Cisco IOS Release 12.2(50)SG and later
Switch# conf t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# interface FastEthernet3/1
Switch(config-if)# shut
Switch(config-if)# switchport access vlan 12
Switch(config-if)# switchport mode access
Switch(config-if)# switchport voice vlan 10
Switch(config-if)# dot1x pae authenticator
Switch(config-if)# authentication port-control auto
Switch(config-if)# authentication host-mode multi-domain
Switch(config-if)# mab eap
Switch(config-if)# no shut
Switch(config-if)# end
Cisco IOS Release 12.2(46)SG or earlier
Switch# conf t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# interface FastEthernet3/1
Switch(config-if)# shut
Switch(config-if)# switchport access vlan 12
Switch(config-if)# switchport mode access
Switch(config-if)# switchport voice vlan 10
Switch(config-if)# dot1x pae authenticator
