Viewing MAC address movement statistics for the interval history

To display the collected history of MAC address movement notifications, enter the show notification mac-movement interval-history command at the privileged EXEC level. This command displays how the history interval is configured in addition to the MAC address move data itself.

Note: The MAC address movement information is also available in the supportsave output. If MAC address movement notification is not enabled, the show notification mac-movement interval-history command displays a disabled message. 

device# show notification mac-movement interval-history
Interval-History Mac Movement Notification is ENABLED
Configured Interval : 30 seconds
Number of macs that moved in the interval : 100
Total number of moves in the interval : 98654
MAC-Address     from-Port   to-Port  Interval Move-Count   Last Move-Time    Vlan-id
--------------  --------    ------   -------------------   --------------    -------
0000.0000.0052    7/1/1     7/1/2         1000             May 15 01:13:20       10
0000.0000.0051    7/1/1     7/1/2         1002             May 15 01:13:20       10
0000.0000.0050    7/1/1     7/1/2         1012             May 15 01:13:20       10
0000.0000.004f    7/1/1     7/1/2         1018             May 15 01:13:20       10
0000.0000.004e    7/1/1     7/1/2         1012             May 15 01:13:20       10
(output truncated)

If MAC address movement notification is not enabled, the show notification mac-movement interval-history command displays the following output. 

device# show notification mac-movement interval-history
Interval-History Mac Movement Notification is DISABLED

The following table defines the fields in the output of the show notification mac-movement interval-history command.

Field definitions for the show notification mac-movement interval-history command

Field

Description

Interval-History Mac Movement Notification is

Specifies whether the interval-history data collection is enabled.

Configured Interval

The interval over which the MAC address movement statistics were collected.

Number of macs that moved in the interval

The number of MAC addresses that moved during the configured interval, regardless of how many times each address moved.

Total number of moves in the interval

The total number of MAC address moves over the configured interval.

MAC-Address

The MAC address that has moved to a different port.

from-Port

The port from which the MAC address moved.

to-Port

The port to which the MAC address moved.

Interval Move-Count

The number of times the MAC address has moved within the interval.

Last Move-Time

The time the last MAC move occurred. The system uptime is used if there is no time server configured.

Vlan-id

The VLAN ID of the port where the MAC address movement was detected.

Parent topic: Monitoring MAC address movement