Command Manual – ARP
Quidway S3900 Series Ethernet Switches-Release 1510
Chapter 1 ARP Configuration Commands
Huawei Technologies Proprietary
1-7
View
Any view
Parameter
None
Description
Use the
display arp timer aging
command to display the setting of the ARP aging
timer.
Related command:
arp timer aging
.
Example
# Display the setting of the ARP aging timer.
<Quidway> display arp timer aging
Current ARP aging time is 20 minute(s)(default)
The displayed information shows that the ARP aging timer is set to 20 minutes.
1.1.8 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 the gratuitous ARP
packet learning function.
Use the
undo gratuitous-arp-learning enable
command to disable the gratuitous
ARP packet learning function.
By default, the gratuitous ARP packet learning function is enabled.
With the gratuitous ARP packet learning function enabled, a switch operates as follows
when receiving a gratuitous ARP packet:
If the cache of the switch contains ARP mapping entries that match the packet, the
switch updates the ARP mapping entries using the sender hardware address carried in
the gratuitous ARP packet.