CLI Reference Guide-R04

Chapter 9 | General Security Measures
ARP Inspection
– 372 –
show ip arp inspection
log
This command shows information about entries stored in the log, including the
associated VLAN, port, and address components.
Command Mode
Privileged Exec
Example
Console#show ip arp inspection log
Total log entries number is 1
Num VLAN Port Src IP Address Dst IP Address Src MAC Address Dst MAC Address
--- ---- ---- -------------- -------------- --------------- --------------
1 1 11 192.168.2.2 192.168.2.1 00-04-E2-A0-E2-7C FF-FF-FF-FF-FF-FF
Console#
show ip arp inspection
statistics
This command shows statistics about the number of ARP packets processed, or
dropped for various reasons.
Command Mode
Privileged Exec
Example
Console#show ip arp inspection statistics
ARP packets received : 150
ARP packets dropped due to rate limt : 5
Total ARP packets processed by ARP Inspection : 150
ARP packets dropped by additional validation (source MAC address) : 0
ARP packets dropped by additional validation (destination MAC address): 0
ARP packets dropped by additional validation (IP address) : 0
ARP packets dropped by ARP ACLs : 0
ARP packets dropped by DHCP snooping : 0
Console#
show ip arp inspection
vlan
This command shows the configuration settings for VLANs, including ARP
Inspection status, the ARP ACL name, and if the DHCP Snooping database is used
after ARP ACL validation is completed.
Syntax
show ip arp inspection vlan [vlan-id | vlan-range]
vlan-id - VLAN ID. (Range: 1-4094)
vlan-range - A consecutive range of VLANs indicated by the use a hyphen,
or a random group of VLANs with each entry separated by a comma.
Command Mode
Privileged Exec