This object specifies the maximum interval of time between macNotificationMacChangedNotifications being generated by the device. If the value of macNotificationNotificationsEnabled is true(1), the device will send out the generated macNotificationMacChangedNotifications and archive the MAC change notification events in the macNotificationHistoryTable. If the value of macNotificationNotificationEnabled is false(2), the device will not send out the generated macNotificationMacChangedNotifications but it will archive these events in the macNotificationHistoryTable. If the value of this object is equal to 0, the device will generate macNotificationMacChangedNotifications and archive the MAC change notification events in the macNotificationHistoryTable as soon as there is MAC address learnt or removed by the device. If the value of this object is greater than 0, the device will wait for a period of time equal to the value of this object before generate the macNotificationMacChangedNotifications and archive the MAC change notification events in the macNotificationHistoryTable.