User`s guide

AT-S45 User’s Guide
59
5. Select the desired security level:
❑ To disable security on a port, type N to select Normal mode. This
is the default setting.
❑ To specify a maximum number of MAC addresses the port can
learn, type L to select Limited mode. To specify the limit, perform
the procedure in Configuring the Limited Security Mode on
page 60.
❑ To stop a port from learning new dynamic MAC addresses, type S
to select the Secured mode.
A change to the security level is immediately activated on the
port.