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Cisco Catalyst Blade Switch 3130 and 3032 for Dell Command Reference
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Chapter 2 Cisco Catalyst Blade Switch 3130 and 3032 for Dell Cisco IOS Commands
authentication violation
authentication violation
Use the
authentication violation
interface configuration command 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.
authentication violation
{
protect
|
restrict
|
shutdown
}
no authentication violation
{
protect
|
restrict
|
shutdown
}
Syntax Description
Defaults
By default
authentication violation shutdown
mode 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 it:
Switch(config-if)#
authentication violation shutdown
This example shows how to configure an IEEE 802.1x-enabled port to generate a system error message
and to change the port to restricted mode when a new device connects to it:
Switch(config-if)#
authentication violation restrict
This example shows how to configure an IEEE 802.1x-enabled port to ignore a new device when it
connects to the port:
Switch(config-if)#
authentication violation protect
You can verify your settings by entering the
show authentication
privileged EXEC command.
Related Commands
protect
Unexpected incoming MAC addresses are dropped. No syslog errors are
generated.
restrict
Generates a syslog error when a violation error occurs.
shutdown
Error disables the port or the virtual port on which an unexpected MAC
address occurs.
Release
Modification
12.2(50)SE
This command was introduced.
Command
Description
authentication
control-direction
Configures the port mode as unidirectional or bidirectional.
authentication event
Sets the action for specific authentication events.
