HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Services Command Referen - Page 20

gratuitous-arp-learning enable Use gratuitous-arp-learning enable to enable learning of gratuitous ARP packets. Use undo gratuitous-arp-learning enable to disable learning of gratuitous ARP packets. Syntax gratuitous-arp-learning enable undo gratuitous-arp-learning enable Default Learning of gratuitous ARP packets is enabled. Views System view Predefined user roles network-admin Usage guidelines When learning of gratuitous ARP packets is enabled, a device adds an ARP entry that contains the sender IP and MAC addresses in a gratuitous ARP packet to its ARP table. If the corresponding ARP entry exists, the device updates the ARP entry. When learning of gratuitous ARP packets is disabled, the device uses the received gratuitous ARP packets to update existing ARP entries, but not to create new ARP entries. You can disable this function to save ARP entry resources. Examples # Enable learning of gratuitous ARP packets. system-view [Sysname] gratuitous-arp-learning enable gratuitous-arp-sending enable Use gratuitous-arp-sending enable to enable sending gratuitous ARP packets upon receiving ARP requests whose target IP address is on a different subnet. Use undo gratuitous-arp-sending enable to restore the default. Syntax gratuitous-arp-sending enable undo gratuitous-arp-sending enable Default A device does not send gratuitous ARP packets when it receives ARP requests whose target IP address is on a different subnet. Views System view 12