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How Linux Works
book

How Linux Works

by Brian Ward
May 2004
Beginner content levelBeginner
368 pages
8h 44m
English
No Starch Press
Content preview from How Linux Works

PPP Connections

So far, you have seen Internet connections based on a local area network (LAN) and a default gateway on that network. However, if you have a modem and telephone line to connect to the Internet, you cannot use the same host-to-network layer interfaces described in previous sections because your connection does not run over the Ethernet physical medium.

The most popular standard for single-machine Internet connectivity with a modem is PPP (Point-to-Point Protocol). Although PPP is a very flexible protocol, its main use is to connect one machine without a direct IP connection to second machine (a PPP server) that has one, with the second machine possibly asking the first for a username and password along the way.

When you dial up and ...

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Publisher Resources

ISBN: 9781593270353Errata