H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 24)

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DHCP overview
This chapter includes these sections:
• Introduction to DHCP
• DHCP address allocation
• DHCP message format
• DHCP options
• Protocols and standards
NOTE:
•
The term "switch" or "device" in this chapter refers to the switching engine on a WX3000E wireless
switch.
• The WX3000E series comprises WX3024E and WX3010E wireless switches.
• The port numbers in this chapter are for illustration only.
Introduction to DHCP
The Dynamic Host Configuration Protocol (DHCP) provides a framework to assign configuration
information to network devices.
DHCP uses the client/server model.
Figure 6 shows a typical DHCP application.
Figure 6 A typical DHCP application
NOTE:
A DHCP client can obtain an IP address and other configuration parameters from a DHCP server on
another subnet via a DHCP relay agent. For more information about the DHCP relay agent, see the
chapter “ DHCP relay agent configuration .”