Ip Arp Inspection Validate - Cisco 300 Series Cli Manual

DHCP Snooping Commands
OL-32830-01 Command Line Interface Reference Guide

13.23 ip arp inspection validate

Use the ip arp inspection validate Global Configuration mode command to
perform specific checks for dynamic Address Resolution Protocol (ARP)
inspection. Use the no form of this command to restore the default configuration.
Syntax
ip arp inspection validate
no ip arp inspection validate
Parameters
N/A
Default Configuration
ARP inspection validation is disabled.
Command Mode
Global Configuration mode
User Guidelines
The following checks are performed:
•
Source MAC address: Compares the source MAC address in the Ethernet
header against the sender MAC address in the ARP body. This check is
performed on both ARP requests and responses.
•
Destination MAC address: Compares the destination MAC address in the
Ethernet header against the target MAC address in the ARP body. This
check is performed for ARP responses.
•
IP addresses: Compares the ARP body for invalid and unexpected IP
addresses. Addresses include 0.0.0.0, 255.255.255.255, and all IP multicast
addresses.
Example
The following example executes ARP inspection validation.
switchxxxxxx(config)# ip arp inspection validate
13
330