H3C Technologies H3C S3100 Series Switches - Manual (Page 372)

Operation Manual – ARP
H3C S3100-52P Ethernet Switch Chapter 1 ARP Configuration
1-5
Figure 1-3
ARP work flow
Normally, a device automatically triggers the ARP calculation in the IP addressing
process.
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.