2-251Cisco Catalyst Blade Switch 3130 and 3032 for Dell Command ReferenceOL-13271-03Chapter 2 Cisco Catalyst Blade Switch 3130 and 3032 for Dell Cisco IOS Commandsip verify sourceip verify sourceUse the ip verify source interface configuration command on the switch stack or on a standalone switchto 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 sourceSyntax DescriptionDefaults IP source guard is disabled.Command Modes Interface configurationCommand HistoryUsage Guidelines To enable IP source guard with source IP address filtering, use the ip verify source interfaceconfiguration command.To enable IP source guard with source IP and MAC address filtering, use the ip verify sourceport-security interface configuration command.To enable IP source guard with source IP and MAC address filtering, you must enable port security onthe interface.Examples This example shows how to enable IP source guard with source IP address filtering:Switch(config-if)# ip verify sourceThis example shows how to enable IP source guard with source IP and MAC address filtering:Switch(config-if)# ip verify source port-securityYou can verify your settings by entering the show ip source binding privileged EXEC command.Related Commandsport-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 IPaddress filtering is enabled.Release Modification12.2(40)EX1 This command was introduced.Command Descriptionip source binding Configures static bindings on the switch.show ip verify source Displays the IP source guard configuration on the switch or on aspecific interface.