Monitoring ARP Running Status

Run the display arp packet statistics command to display ARP packet statistics.
Run the display arp anti-attack statistics check user-bind interface interface-type interface-number command to display statistics on discarded ARP packets that do not match any binding entry on an interface.
Run the display arp anti-attack packet-check statistics command to display statistics on invalid ARP packets that are filtered out in ARP packet validity check.
Run the display arp anti-attack arpmiss-record-info [ ip-address ] command to display information recorded for ARP Miss rate-limiting.

Only the S5720-EI, S5720-HI, S5720I-SI, S5720S-SI, S5720-SI, S5735-L, S5735S-L, S5735S-L-M, S5735-S, S5735S-S, S5735-S-I, S5730-HI, S5730S-EI, S5730-SI, S5731-H, S5731-S, S5731S-H, S5731S-S, S5732-H, S6720-EI, S6720-HI, S6720-LI, S6720S-EI, S6720S-LI, S6720S-SI, S6720-SI, S6730-H, S6730S-H, S6730-S, and S6730S-S support this command.
Run the display arp optimized-reply status command to display the status of the optimized ARP Reply function.
Run the display arp optimized-reply statistics [ slot slot-id ] command to display statistics on optimized ARP Reply packets.
Run the display arp snooping { all | interface interface-type interface-number | vlan vlan-id | ip-address ip-address | mac-address mac-address } command to view ARP snooping entries.