Chapter 14. Connecting to a Network

#### Beyond Linux® From Scratch - Version 2019-02-27

### Part IV. Networking

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# Connecting to a Network

The LFS book covers setting up networking by connecting to a LAN with a static IP address. There are other methods used to obtain an IP address and connect to a LAN and other networks (such as the Internet). The most popular methods (DHCP and PPP) are covered in this chapter.

DHCP stands for Dynamic Host Configuration Protocol. It is a protocol 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.

PPP stands for Point-to-Point Protocol. It is a data link protocol commonly used for establishing authenticated IP connections over a phone line with a modem, or over radio waves with a cellular phone. There is also a variant (PPPoE) that works over Ethernet and is used by cable providers to authenticate the Internet connections.

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