Consolidated Platform Configuration Guide, Cisco Ios Release 15.2(4)E (Catalyst 2960-X Switches - Cisco Catalyst 2960 series Configuration Manual

How to Configure MAC Authentication Bypass
Command or Action
Step 3
interface type slot / port
Example:
Device(config)# interface Gigabitethernet 1/2/1
Step 4 switchport
Example:
Device(config-if)# switchport
Step 5
switchport mode
Example:
Device(config-if)# switchport mode access
Step 6 authentication port-control auto
Example:
Device(config-if)# authentication port-control
auto
Step 7 mab [eap]
Example:
Device(config-if)# mab
Step 8 authentication violation {restrict | shutdown}
Example:
Device(config-if)# authentication violation
shutdown
Step 9 authentication timer restart seconds
Example:
Device(config-if)# authentication timer restart
30
Step 10 end
Example:
Device(config-if)# end

Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)

1048
access
Purpose
Enters interface configuration mode.
Places interface in Layer 2 switched mode.
Sets the interface type as a nontrunking, nontagged
single VLAN Layer 2 interface.
Configures the authorization state of the port.
Enables MAB.
Configures the action to be taken when a security
violation occurs on the port.
Configures the period of time, in seconds, after which
an attempt is made to authenticate an unauthorized port.
Exits interface configuration mode and returns to
privileged EXEC mode.