Allied Telesis AT-S39 - Manual (Page 79)

AT-S39 User’s Guide
79
page 80.
❑ To forward frames based solely on static MAC addresses, type S to
select the Secured mode. After activating this security mode, you
must enter the static MAC addresses of the nodes with frames the
switch is to forward. For instructions on how to add static MAC
addresses, refer to Adding Static and Multicast MAC Addresses
on page 171.
❑ To stop the switch from learning new dynamic MAC addresses
and have it forward frames based only on static MAC addresses
and on those dynamic addresses that it has already learned, type
K to select Lock all the ports now.
Note
Only one security level can be active on a switch at a time.
A change to the security level is immediately activated on the
switch.