Dhcp overview, Introduction to dhcp snooping – H3C Technologies H3C WX3000E Series Wireless Switches User Manual

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DHCP overview

NOTE:
•

After the DHCP client is enabled on an interface, the interface can dynamically obtain an IP address and
other configuration parameters from the DHCP server. This facilitates configuration and centralized

management. For more information about the DHCP client configuration, see "Interface management."

•

For more information about DHCP, see

H3C WX Series Access Controllers Layer 3 Configuration Guide.

The Dynamic Host Configuration Protocol (DHCP) provides a framework to assign configuration

information to network devices.
DHCP uses the client/server model.

Figure 153

shows a typical a DHCP application.

Figure 153 A typical DHCP application

A DHCP client can obtain an IP address and other configuration parameters from a DHCP server on
another subnet through a DHCP relay agent.

Figure 154 DHCP relay agent application

Introduction to DHCP snooping

IP network

DHCP server

DHCP relay agent

DHCP client

This manual is related to the following products:

H3C WX6000 Series Access Controllers H3C WX5000 Series Access Controllers H3C LSWM1WCM10 Access Controller Module H3C LSWM1WCM20 Access Controller Module H3C LSQM1WCMB0 Access Controller Module H3C LSRM1WCM2A1 Access Controller Module H3C LSBM1WCM2A0 Access Controller Module