Cisco Catalyst 2960 Command Reference Manual page 107

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Catalyst 2960 Switch Cisco IOS Commands

You can configure the inaccessible authentication bypass feature and the restricted VLAN on an

IEEE 802.1x port. If the switch tries to re-authenticate a critical port in a restricted VLAN and all the

RADIUS servers are unavailable, the switch changes the port state to the critical authentication state,

and it remains in the restricted VLAN.

You can configure the inaccessible bypass feature and port security on the same switch port.

This example shows how to enable the inaccessible authentication bypass feature on port 21:

Switch# configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Switch(config)# interface gigabitethernet0/21

Switch(config-if)# dot1x critical

Switch(config-if)# end

Switch(config)# end

You can verify your configuration by entering the show dot1x [interface interface-id] privileged EXEC

Related Commands

dot1x critical (global configuration)

[interface interface-id]

Configures the parameters for the inaccessible authentication

bypass feature on the switch.

Displays IEEE 802.1x status for the specified port.

Catalyst 2960 Switch Command Reference

dot1x critical (interface configuration)

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