HP Procurve 2524 Cli Reference Manual page 48

defined by the "address-limit" parameter are learned or entered for the port.
These addresses are static; they are not aged out.
 addr-limit <1..8> - This parameter is valid only if static is selected for the
learn-mode. This parameter defines the number of network devices that are
authorized to communicate through the switch port. Up to 8 devices can be
authorized for any port.
 addr-list <mac-addr> - This parameter is valid only if static is selected for the
learn-mode. If you enter no authorized addresses, the switch will learn and
configure authorized addresses as it detects them on the port, up to the address-
limit number of addresses, and make these the static authorized addresses for the
port. If you enter fewer addresses than the Address Limit, the switch will learn
the additional addresses up to the address-limit. If you enter more addresses than
the address-limit, an error message is displayed when you attempt to Save the
configuration.
 action - Indicates the action the switch will take if an intruder is detected on the
port.
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