Use the following procedure to configure the MAC Address auto learning properties of switch ports.
From the navigation tree, double-click Security.
In the Security tree, double-click MAC Security.
In the work area, click the AuthLearn tab.
In the table, double-click the cell under the column heading for the parameter that you want to change.
Select a parameter or value from the drop-down list.
Repeat the previous two steps until you have amended all of the parameters that you want to change.
In the toolbar, click Apply.