ARP Configuration Commands 817
By default, the gratuitous ARP packet learning function is enabled.
By sending gratuitous ARP packets, a network device can:
■ Determine whether or not IP address conflicts exist between it and other
network devices.
■ Trigger other network devices to update its hardware address stored in their
caches.
Example
# Enable the gratuitous ARP packet learning function on the switch.
<SW8800> system-view
System View: return to User View with Ctrl+Z.
[SW8800] gratuitous-arp-learning enable
reset arp Syntax
reset arp [ dynamic | static | interface { interface-type interface-number } | all ]
View
User view
Parameter
dynamic: Clears the dynamic ARP mapping entries.
static: Clears the static ARP mapping entries
interface-type is port type and interface-number is port number. For details, refer
to the description of interface command in the Port Command Manual.
all: Clears all the ARP mapping entries.
Description
Use the reset arp command to reset the ARP mapping entries.
Related command: arp static, display arp.
Example
# Reset the static ARP entries.
<SW8800> reset arp static
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