Cisco Catalyst 3550 Command Reference Manual page 620

Multilayer switch

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switchport port-security aging

To allow unlimited access to a secure address, configure it as a secure address, and disable aging for the

statically configured secure address by using the no switchport port-security aging static interface

configuration command.

This example sets the aging time as 2 hours for absolute aging for all the secure addresses on a port:

Switch(config)# interface fastethernet0/1

Switch(config-if)# switchport port-security aging time 120

This example sets the aging time as 2 minutes for inactivity aging type with aging enabled for configured

secure addresses on a port:

Switch(config)# interface fastethernet0/2

Switch(config-if)# switchport port-security aging time 2

Switch(config-if)# switchport port-security aging type inactivity

Switch(config-if)# switchport port-security aging static

This example shows how to disable aging for configured secure addresses:

Switch(config-if)# no switchport port-security aging static

Related Commands

show port-security

switchport port-security

Catalyst 3550 Multilayer Switch Command Reference

Displays the port security settings defined for the port.

Enables port security on a port, restricts the use of the port to a

user-defined group of stations, and configures secure MAC addresses.

Chapter 2 Catalyst 3550 Switch Cisco IOS Commands

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