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3
Command Attributes
•Port – Port number.
•Name – Descriptive text (page 4-131).
• Action – Indicates the action to be taken when a port security violation is detected:
- None: No action should be taken. (This is the default.)
- Trap: Send an SNMP trap message.
- Shutdown: Disable the port.
- Trap and Shutdown: Send an SNMP trap message and disable the port.
• Security Status – Enables or disables port security on the port. (Default: Disabled)
• Max MAC Count – The maximum number of MAC addresses that can be learned
on a port. (Range: 0 - 20)
• Trunk – Trunk number if port is a member (page 3-80 and 3-81).
Web – Click Security, Port Security. Set the action to take when an invalid address is
detected on a port, mark the checkbox in the Status column to enable security for a
port, set the maximum number of MAC addresses allowed on a port, and click Apply.
Figure 3-26. Configuring Port Security
CLI – This example sets the command mode to Port 5, sets the port security action
to send a trap and disable the port, and then enables port security for the switch.
Console(config)#interface ethernet 1/5
Console(config-if)#port security action trap-and-shutdown 4-75
Console(config-if)#port security
Console(config-if)#