The Dynamic Host Configuration Protocol (DHCP) is used for configuring hosts with IP address and other configuration parameters without user intervention. The protocol is composed of three components:
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DHCP client
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DHCP server
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DHCP relay agent
For more information, see Overview of DHCP.
The DHCP relay function is enabled by default on an HP routing switch. However, if DHCP has been disabled, you can re-enable it by entering the following command at the global configuration level:
HP Switch(config)# dhcp-relay
To disable the DHCP relay function, enter the no form of the command:
HP Switch(config)# no dhcp-relay