HP 6125G HP 6125G & 6125G/XG Blade Switches Security Command Reference - Page 267

ARP packet source mac address consistency check configuration commands arp anti-attack valid-check enable Syntax arp anti-attack valid-check enable View undo arp anti-attack valid-check enable System view Default level 2: System level Parameters None Description Use arp anti-attack valid-check enable to enable ARP packet source MAC address consistency check on the gateway. After you execute this command, the gateway device can filter out ARP packets with the source MAC address in the Ethernet header different from the sender MAC address in the ARP message. Use undo arp anti-attack valid-check enable to restore the default. By default, ARP packet source MAC address consistency check is disabled. Examples # Enable ARP packet source MAC address consistency check. system-view [Sysname] arp anti-attack valid-check enable ARP active acknowledgement configuration commands arp anti-attack active-ack enable Syntax arp anti-attack active-ack enable View undo arp anti-attack active-ack enable System view Default level 2: System level 258