Cisco 3560G 48TS Software Configuration Guide - Page 407
Step 11, addresses before entering
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Chapter 20 Configuring Port-Based Traffic Control Configuring Port Security Step 11 Step 12 Command show port-security copy running-config startup-config Purpose Verify your entries. (Optional) Save your entries in the configuration file. To return the interface to the default condition as not a secure port, use the no switchport port-security interface configuration command. If you enter this command when sticky learning is enabled, the sticky secure addresses remain part of the running configuration but are removed from the address table. All addresses are now dynamically learned. To return the interface to the default number of secure MAC addresses, use the no switchport port-security maximum value interface configuration command. To return the violation mode to the default condition (shutdown mode), use the no switchport port-security violation {protocol | restrict} interface configuration command. To disable sticky learning on an interface, use the no switchport port-security mac-address sticky interface configuration command. The interface converts the sticky secure MAC addresses to dynamic secure addresses. However, if you have previously saved the configuration with the sticky MAC addresses, you should save the configuration again after entering the no switchport port-security mac-address sticky command, or the sticky addresses will be restored if the switch reboots. To delete a specific secure MAC address from the address table, use the no switchport port-security mac-address mac-address interface configuration command. To delete all dynamic secure addresses on an interface from the address table, enter the no switchport port-security interface configuration command followed by the switchport port-security command (to re-enable port security on the interface). If you use the no switchport port-security mac-address sticky interface configuration command to convert sticky secure MAC addresses to dynamic secure MAC addresses before entering the no switchport port-security command, all secure addresses on the interface except those that were manually configured are deleted. You must specifically delete configured secure MAC addresses from the address table by using the no switchport port-security mac-address mac-address interface configuration command. This example shows how to enable port security on a port and to set the maximum number of secure addresses to 50. The violation mode is the default, no static secure MAC addresses are configured, and sticky learning is enabled. Switch(config)# interface gigabitethernet0/1 Switch(config-if)# switchport mode access Switch(config-if)# switchport port-security Switch(config-if)# switchport port-security maximum 50 Switch(config-if)# switchport port-security mac-address sticky This example shows how to configure a static secure MAC address on VLAN 3 on a port: Switch(config)# interface gigabitethernet0/2 Switch(config-if)# switchport mode trunk Switch(config-if)# switchport port-security Switch(config-if)# switchport port-security mac-address 0000.02000.0004 vlan 3 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 20-13
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