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Catalyst 3750 Metro Switch Command Reference
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Chapter 2 Catalyst 3750 Metro Switch Cisco IOS Commands
show port-security
show port-security
Use the
show port-security
privileged EXEC command to display port-security settings for an interface
or for the switch.
show port-security
[
interface
interface-id
] [
address
|
vlan
]
Syntax Description
Command Modes
Privileged EXEC
Command History
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
.
interface
interface-id
(Optional) Display port security settings for the specified interface. Valid
interfaces include physical ports (including type, module, and port number).
address
(Optional) Display all secure MAC addresses on all ports or a specified port.
vlan
(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
.
Release
Modification
12.1(14)AX
This command was introduced.
