Huawei Quidway S3900 Series User Manual

Operation Manual – ARP
Quidway S3900 Series Ethernet Switches-Release 1510 Chapter 1 ARP Configuration
Huawei Technologies Proprietary
1-5
Figure 1-3 ARP work flow
Once ARP is deployed, the ARP work flow is automatically processed.
1.1.5 Introduction to Gratuitous ARP
The following are the characteristics of gratuitous ARP packets:
z Both source and destination IP addresses carried in a gratuitous ARP packet are
the local addresses, and the source MAC address carried in it is the local MAC
addresses.
z If a device finds that the IP addresses carried in a received gratuitous packet
conflict with those of its own, it returns an ARP response to the sending device to
notify of the IP address conflict.
By sending gratuitous ARP packets, a network device can:
z Determine whether or not IP address conflicts exist between it and other network
devices.
z Trigger other network devices to update its hardware address stored in their
caches.

Huawei Quidway S3900 Series Specifications

General

Brand	Huawei
Model	Quidway S3900 Series
Category	Switch
Language	English