Cisco Catalyst 4500 Series Command Reference Guide

2-732
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
OL-27596 -01
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
show ip arp inspection
show ip arp inspection
To show the status of dynamic ARP inspection for a specific range of VLANs, use the show ip arp
inspection command.
show ip arp inspection {[statistics] vlan vlan-range | interfaces [interface-name]}
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC mode
Command History
Examples This example shows how to display the statistics of packets that have been processed by DAI for
VLAN 3:
Switch# show ip arp inspection statistics vlan 3
Vlan Forwarded Dropped DHCP Drops ACL Drops
---- --------- ------- ---------- ----------
3 31753 102407 102407 0
Vlan DHCP Permits ACL Permits Source MAC Failures
---- ------------ ----------- -------------------
3 31753 0 0
Vlan Dest MAC Failures IP Validation Failures
---- ----------------- ----------------------
3 0 0
Switch#
statistics (Optional) Displays statistics for the following types of packets that
have been processed by this feature: forwarded, dropped, MAC
validation failure, and IP validation failure.
vlan vlan-range (Optional) When used with the statistics keyword, displays the
statistics for the selected range of VLANs. Without the statistics
keyword, displays the configuration and operating state of DAI for the
selected range of VLANs.
interfaces interface-name (Optional) Displays the trust state and the rate limit of ARP packets for
the provided interface. When the interface name is not specified, the
command displays the trust state and rate limit for all applicable
interfaces in the system.
Release Modification
12.1(19)EW Support for this command was introduced on the Catalyst 4500 series switch.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E