R3721-F3210-F3171-HP High-End Firewalls Network Management Command Reference-6PW101

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source IP address of the ARP packet exists. If a matching ARP entry is found in the cache, the firewall
updates the ARP entry regardless of whether this function is enabled.
Examples
# Enable the gratuitous ARP packet learning function.
<Sysname> system-view
[Sysname] gratuitous-arp-learning enable