DHCP stands for Dynamic Host Configuration Protocol. It is a protocol which is used by many sites to automatically provide information such as IP addresses, subnet masks and routing information to computers. If your network uses DHCP, you will need a DHCP client in order to connect to it. DHCP is also used by some cable modems.
We currently provide installation instructions for two DHCP clients, dhclient (from the dhcp package) and dhcpcd. We begin with a page which shows how to alter the LFS boot scripts for generic DHCP support. We then present the two sets of installation instructions which also discuss how to create an appropriate configuration file to work with the DHCP client of your choice.