Cisco WS-C3560E-48PD-SF Command Reference - Page 211

Chapter 2 Catalyst 3560 Switch Cisco IOS Commands ip verify source ip verify source Use the ip verify source interface configuration command to enable IP source guard on an interface. Use the no form of this command to disable IP source guard. ip verify source [port-security] no ip verify source Syntax Description port-security (Optional) Enable IP source guard with IP and MAC address filtering. If you do not enter the port-security keyword, IP source guard with IP address filtering is enabled. Defaults IP source guard is disabled. Command Modes Interface configuration Command History Release 12.2(20)SE Modification This command was introduced. Usage Guidelines To enable IP source guard with source IP address filtering, use the ip verify source interface configuration command. To enable IP source guard with source IP and MAC address filtering, use the ip verify source port-security interface configuration command. To enable IP source guard with source IP and MAC address filtering, you must enable port security on the interface. Examples This example shows how to enable IP source guard with source IP address filtering: Switch(config-if)# ip verify source This example shows how to enable IP source guard with source IP and MAC address filtering: Switch(config-if)# ip verify source port-security You can verify your settings by entering the show ip source binding privileged EXEC command. Related Commands Command ip source binding show ip verify source Description Configures static bindings on the switch. Displays the IP source guard configuration on the switch or on a specific interface. 78-16405-05 Catalyst 3560 Switch Command Reference 2-179