DHCP Snooping and ARP Inspection Commands 579FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\CLI Folders\Dell ContaxCLI\files\DHCP_Snooping.fmD E L L C O N F I D E N T I A L – P R E L I M I N A R Y 5 / 1 5 / 1 2 - F O R P R O O F O N LYip arp inspection validateUse the ip arp inspection validate Global Configuration mode command toperform specific checks for dynamic Address Resolution Protocol (ARP)inspection. Use the no form of this command to restore the defaultconfiguration.Syntaxip arp inspection validateno ip arp inspection validateDefault ConfigurationARP inspection validation is disabled.Command ModeGlobal Configuration modeUser GuidelinesThe following checks are performed:• Source MAC address: Compares the source MAC address in the Ethernetheader against the sender MAC address in the ARP body. This check isperformed on both ARP requests and responses.• Destination MAC address: Compares the destination MAC address in theEthernet header against the target MAC address in the ARP body. Thischeck is performed for ARP responses.• IP addresses: Compares the ARP body for invalid and unexpected IPaddresses. Addresses include 0.0.0.0, 255.255.255.255, and all IP multicastaddresses.ExampleThe following example executes ARP inspection validation.Console(config)# ip arp inspection validate
