Linksys LGS326P

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To configure port security:
1. C
lick Configuration > Security > Port Security.
2. Select an interface to be modified, and click Edit.
3. Enter the parameters.
•
Interface—Select the interface name.
•
Interface Status—Select to lock the port.
•
Learning Mode—Select the type of port locking. To configure this field, the
Interface Status must be unlocked. The Learning Mode field is enabled only if th
e
I
nterface Status field is locked. To change the Learning Mode, the Lock Interfac
e
m
ust be cleared. After the mode is changed, the Lock Interface can be reinstated.
The options:
o
Classic Lock—Locks the port immediately, regardless of the number of
addresses that have already been learned.
o
Limited Dynamic Lock—Locks the port by deleting the current dynamic
MAC addresses associated with the port. The port learns up to the
maximum addresses allowed on the port. Both relearning and aging of MAC
addresses are enabled.
•
Maximum Addresses—Enter the maximum number of MAC addresses that can b
e
l
earned on the port if Limited Dynamic Lock learning mode is selected. The numb
er
0
indicates that only static addresses are supported on the interface.
•
Action on Violation—Select an action to be applied to packets arriving on a locked
port.
The options:
o
Discard—Discards packets from any unlearned source.
o
Forward—Forwards packets from an unknown source without learning th
e
M
AC address.
o
Shutdown—Discards packets from any unlearned source, and shuts down
the port. The port remains shut down until reactivated, or until the device is
rebooted.
•
Trap—Enable Trap and set the trap frequency
4. Click Apply. Port security is modified, and the Running Configuration file is updated.