Gratuitous-Arp-Learning Enable - Huawei quidway s3526 series Getting Started

Command Manual - Network Protocol
Quidway S3500 Series Ethernet Switches
By sending gratuitous ARP packets, network devices can figure out whether the IP
addresses of other devices conflict with its own.
If the device which sends the gratuitous ARP packet changed its hardware
address (probably, it turns off, has its interface card changed, and then reboots),
this packet can make old hardware address in the cache of other devices update
accordingly.
Related command: gratuitous-arp-learning enable.
Example
# Disable the gratuitous ARP packet sending on the switch Quidway A.
<QuidwayA> system-view
System View: return to User View with Ctrl+Z.
[QuidwayA] undo arp send-gratuitous enable

2.2.2 gratuitous-arp-learning enable

Syntax
gratuitous-arp-learning enable
undo gratuitous-arp-learning enable
View
System view
Parameter
None
Description
Use the gratuitous-arp-learning enable command to enable gratuitous ARP packet
learning.
Use the undo gratuitous-arp-learning enable command to disable this function.
By default, gratuitous ARP packet learning is disabled.
Related command: arp send-gratuitous enable, debugging arp packet.
Example
# Enable gratuitous ARP packet learning on the switch Quidway A.
<QuidwayA> system-view
System View: return to User View with Ctrl+Z.
[QuidwayA] gratuitous-arp-learning enable
Huawei Technologies Proprietary
2-12
Chapter 2 ARP Configuration Commands