Show Port-Security - Cisco Catalyst 3750 Metro Command Reference Manual

Chapter 2 Catalyst 3750 Metro Switch Cisco IOS Commands

show port-security

Use the show port-security privileged EXEC command to display port-security settings for an interface
or for the switch.
Syntax Description interface interface-id
address
vlan
Command Modes
Privileged EXEC
Command History Release
12.1(14)AX
Usage Guidelines If you enter the command without keywords, the output includes the administrative and operational
status of all secure ports on the switch.
If you enter an interface-id, the command displays port security settings for the interface.
If you enter the address keyword, the show port-security address command displays the secure MAC
addresses for all interfaces and the aging information for each secure address.
If you enter an interface-id and the address keyword, the show port-security interface interface-id
address command displays all the MAC addresses for the interface with aging information for each
secure address. You can also use this command to display all the MAC addresses for an interface even
if you have not enabled port security on it.
If you enter the vlan keyword, the show port-security address interface interface-id vlan command
displays the configured maximum and the current number of secure MAC addresses for all VLANs on
the interface. This option is visible only on interfaces that have the switchport mode set to trunk.
OL-9645-10
show port-security [interface interface-id] [address | vlan]
(Optional) Display port security settings for the specified interface. Valid
interfaces include physical ports (including type, module, and port number).
(Optional) Display all secure MAC addresses on all ports or a specified port.
(Optional) Display port security settings for all VLANs on the specified
interface. This keyword is visible only on interfaces that have the switchport
mode set to trunk.
Modification
This command was introduced.
Catalyst 3750 Metro Switch Command Reference
show port-security
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