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Catalyst 3750 Metro Switch Command Reference
OL-9645-10
Chapter 2 Catalyst 3750 Metro Switch Cisco IOS Commands
dot1x violation-mode
dot1x violation-mode
Use the dot1x violation-mode interface configuration command on the switch to configure the violation
modes that occur when a new device connects to a port or when a new device connects to a port after the
maximum number of devices are connected to that port.
dot1x violation-mode {shutdown | restrict | protect}
no dot1x violation-mode
Syntax Description
Defaults By default dot1x violation-mode protect is enabled.
Command Modes Interface configuration
Command History
Examples This example shows how to configure an IEEE 802.1x-enabled port as error disabled and to shut down
when a new device connects to the port:
Switch(config-if)# dot1x violation-mode shutdown
This example shows how to configure an IEEE 802.1x-enabled port to generate a system error message
and change the port to restricted mode when a new device connects to the port:
Switch(config-if)# dot1x violation-mode restrict
This example shows how to configure an IEEE 802.1x-enabled port to ignore a new connected device
when it is connected to the port:
Switch(config-if)# dot1x violation-mode protect
You can verify your settings by entering the show dot1x [interface interface-id] privileged EXEC
command.
shutdown Error disables the port or the virtual port on which a new unexpected MAC
address occurs.
restrict Generates a syslog error when a violation error occurs.
protect Silently discards packets from any new MAC addresses. This is the default
setting.
Release Modification
12.2(46)SE This command was introduced.
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