Chapter 2
Cisco IOS Commands for the Catalyst 4500 Series Switches
This example shows how to display the statistics of packets that have been processed by DAI for all
active VLANs:
Switch# show ip arp inspection statistics
Vlan
----
1
2
3
4
100
101
1006
1007
Vlan
----
1
2
3
4
100
101
1006
1007
Vlan
----
1
2
3
4
100
101
1006
1007
Switch#
This example shows how to display the configuration and operating state of DAI for VLAN 1:
Switch# show ip arp inspection vlan 1
Source Mac Validation
Destination Mac Validation : Disabled
IP Address Validation
Vlan
----
1
Vlan
----
1
Switch#
This example shows how to display the trust state of Fast Ethernet interface 6/1:
Switch# show ip arp inspection interfaces fastEthernet 6/1
Interface
---------------
Fa6/1
Switch#
OL-27596 -01
Forwarded
Dropped
---------
-------
0
0
68322
220356
0
0
0
0
0
DHCP Permits
ACL Permits
------------
-----------
0
0
68322
0
0
0
0
0
Dest MAC Failures
IP Validation Failures
-----------------
----------------------
0
0
0
0
0
0
0
0
: Disabled
: Disabled
Configuration
Operation
-------------
---------
Enabled
Active
ACL Logging
DHCP Logging
-----------
------------
Deny
Deny
Trust State
-----------
Untrusted
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
DHCP Drops
ACL Drops
----------
----------
0
0
0
0
220356
0
0
0
0
0
0
0
0
0
0
Source MAC Failures
-------------------
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
ACL Match
---------
Rate (pps)
Burst Interval
----------
--------------
20
show ip arp inspection
0
0
0
0
0
0
0
0
Static ACL
----------
5
2-733