violation only when you configure mac learning-limit dynamic and logs the violation only when
you configure the mac learning-limit station-move-violation log, as shown in the following
example.
Dell(conf-if-te-1/1/1)#show config
!
interface TenGigabitEthernet 1/1/1
no ip address
switchport
mac learning-limit 1 dynamic no-station-move
mac learning-limit station-move-violation log
no shutdown
Learning Limit Violation Actions
To configure the system to take an action when the MAC learning limit is reached on an interface and a
new address is received using one the following options with the mac learning-limit command, use
the following commands.
• Generate a system log message when the MAC learning limit is exceeded.
INTERFACE mode
learn-limit-violation log
• Shut down the interface and generate a system log message when the MAC learning limit is
exceeded.
INTERFACE mode
learn-limit-violation shutdown
Setting Station Move Violation Actions
no-station-move is the default behavior. You can configure the system to take an action if a station
move occurs using one the following options with the mac learning-limit command.
To display a list of interfaces configured with MAC learning limit or station move violation actions, use the
following commands.
• Generate a system log message indicating a station move.
INTERFACE mode
station-move-violation log
• Shut down the first port to learn the MAC address.
INTERFACE mode
station-move-violation shutdown-original
• Shut down the second port to learn the MAC address.
INTERFACE mode
station-move-violation shutdown-offending
• Shut down both the first and second port to learn the MAC address.
INTERFACE mode
station-move-violation shutdown-both
Layer 2 531