System information

User Authentication
3-73
3
Command Attributes
• Port – Port number.
• Name – Descriptive text (page 4-121).
• 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 - 1024, where 0 means disabled)
• Trunk – Trunk number if port is a member (page 3-100 and 3-101).
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 3-41 Port Security
CLI – This example selects the target port, sets the port security action to send a
trap and disable the port, specifies a maximum address count, and then enables
port security for the port.
Console(config)#interface ethernet 1/5
Console(config-if)#port security action trap-and-shutdown 4-92
Console(config-if)#port security max-mac-count 20
Console(config-if)#port security
Console(config-if)#