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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
show port-security
1 0000.0001.1101 SecureDynamic Fa3/6 -
1 0000.0001.1200 SecureSticky Fa3/7 -
1 0000.0001.1201 SecureSticky Fa3/7 -
1 0000.0001.1300 SecureSticky Fa3/8 -
1 0000.0001.1301 SecureSticky Fa3/8 -
1 0000.0001.2000 SecureSticky Po2 -
-------------------------------------------------------------------
Total Addresses in System (excluding one mac per port) :8
Max Addresses limit in System (excluding one mac per port) :3072
This example shows how to display the maximum allowed number of secure MAC addresses and the
current number of secure MAC addresses on interface Gigabitethernet1/1:
Switch# show port-security interface gigabitethernet1/1 vlan
Default maximum: 22
VLAN Maximum Current
2 22 3
3 22 3
4 22 3
5 22 1
6 22 2
This example shows how to display the port security settings on interface Gigabitethernet1/1 for
VLANs 2 and 3:
Switch# show port-security interface gigabitethernet1/1 vlan 2-3
Default maximum: 22
VLAN Maximum Current
2 22 3
3 22 3
This example shows how to display all secure MAC addresses configured on interface
Gigabitethernet1/1 with aging information for each address.
Switch# show port-security interface gigabitethernet1/1 address
Secure Mac Address Table
------------------------------------------------------------------------
Vlan Mac Address Type Ports Remaining Age(mins)
---- ----------- ---- ----- -------------
2 0001.0001.0001 SecureConfigured Gi1/1 -
2 0001.0001.0002 SecureSticky Gi1/1 -
3 0001.0001.0001 SecureConfigured Gi1/1 -
3 0001.0001.0002 SecureSticky Gi1/1 -
3 0001.0001.0003 SecureSticky Gi1/1 -
4 0001.0001.0001 SecureConfigured Gi1/1 -
4 0001.0001.0003 SecureSticky Gi1/1 -
6 0001.0001.0001 SecureConfigured Gi1/1 -
6 0001.0001.0002 SecureConfigured Gi1/1 -
------------------------------------------------------------------------
Total Addresses: 12
This example shows how to display all secure MAC addresses configured on VLANs 2 and 3 on interface
Gigabitethernet1/1 with aging information for each address:
Switch# show port-security interface gigabitethernet1/1 address vlan 2-3
Secure Mac Address Table
------------------------------------------------------------------------
Vlan Mac Address Type Ports Remaining Age(mins)
---- ----------- ---- ----- -------------
2 0001.0001.0001 SecureConfigured Gi1/1 -
2 0001.0001.0002 SecureSticky Gi1/1 -
2 0001.0001.0003 SecureSticky Gi1/1 -