This object specifies the maximum interval of time between mnMacChangedNotifications being generated by the device. If the value of mnNotificationsEnabled is true(1), the device will send out the generated mnMacChangedNotifications and archive the MAC change notification events in the mnHistoryTable. If the value of mnNotificationsEnabled is false(2), the device will not send out the generated mnMacChangedNotifications but it will archive these events in the mnHistoryTable. If the value of this object is equal to 0, the device will generate mnMacChangedNotifications and archive the MAC change notification events in the mnHistoryTable 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 mnMacChangedNotifications and archive the MAC change notification events in the mnHistoryTable.