Name: Cisco 4500M
Brand: Cisco
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Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW

78-16201-01

Chapter2Cisco IOS Commands for the Catalyst 4500 Series Switches

show ip verify source

To display IP source guard configuration and filters on a particular interface, use the show ip verify

source command.

show ip verify source [interface interface_num]

Syntax Description

Defaults This command has no default settings.

Command Modes Privileged EXEC

Command History

Examples These examples show how to display IP source guard configuration and filters on a particular interface

with the show ip verify source interface command:

• The following output appears when DHCP snooping is enabled on VLAN 10-20, interface fa6/1 has

IP source filter mode configured as IP, and an existing IP address binding 10.0.0.1 is on VLAN 10:

Interface Filter-type Filter-mode IP-address Mac-address Vlan

--------- ----------- ----------- --------------- -------------- ---------

fa6/1 ip active 10.0.0.1 10

fa6/1 ip active deny-all 11-20

Note The second entry shows that a default PVACL (deny all IP traffic) is installed on the port for

those snooping-enabled VLANs that do not have a valid IP source binding.

• The following output appears when you enter the show ip verify source interface fa6/2 command

and DHCP snooping is enabled on VLAN 10-20, interface fa6/1 has IP source filter mode configured

as IP, and there is an existing IP address binding 10.0.0.1 on VLAN 10:

Interface Filter-type Filter-mode IP-address Mac-address Vlan

--------- ----------- ----------- --------------- -------------- ---------

fa6/2 ip inactive-trust-port

• The following output appears when you enter the show ip verify source interface fa6/3 command

and the interface fa6/3 does not have a VLAN enabled for DHCP snooping:

Interface Filter-type Filter-mode IP-address Mac-address Vlan

--------- ----------- ----------- --------------- -------------- ---------

fa6/3 ip inactive-no-snooping-vlan

interface interface_num (Optional) Specifies an interface.

Release Modification

12.1(19)EW Support for this command was introduced on the Catalyst 4500 series switch.

Cisco 4500M Command Reference

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