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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 arp inspection
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 Forwarded Dropped DHCP Drops ACL Drops
---- --------- ------- ---------- ----------
1 0 0 0 0
2 0 0 0 0
3 68322 220356 220356 0
4 0 0 0 0
100 0 0 0 0
101 0 0 0 0
1006 0 0 0 0
1007 0 0 0 0
Vlan DHCP Permits ACL Permits Source MAC Failures
---- ------------ ----------- -------------------
1 0 0 0
2 0 0 0
3 68322 0 0
4 0 0 0
100 0 0 0
101 0 0 0
1006 0 0 0
1007 0 0 0
Vlan Dest MAC Failures IP Validation Failures
---- ----------------- ----------------------
1 0 0
2 0 0
3 0 0
4 0 0
100 0 0
101 0 0
1006 0 0
1007 0 0
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 : Disabled
Destination Mac Validation : Disabled
IP Address Validation : Disabled
Vlan Configuration Operation ACL Match Static ACL
---- ------------- --------- --------- ----------
1 Enabled Active
Vlan ACL Logging DHCP Logging
---- ----------- ------------
1 Deny Deny
Switch#
This example shows how to display the trust state of interface Fa6/3:
Switch# show ip arp inspection interfaces fastEthernet 6/3
Interface Trust State Rate (pps) Burst Interval
--------------- ----------- ---------- --------------
Fa6/1 Untrusted 20 5
Switch#