CHAPTER 18
Networking
IN THIS CHAPTER
Laying the Foundation: The localhost Interface
Checking Connections with ping, traceroute, and mtr
Networking with TCP/IP
IPv6 Basics
Network Organization
Hardware Devices for Networking
Using Network Configuration Tools
Dynamic Host Configuration Protocol
Wireless Networking
Beyond the Network and onto the Internet
Common Configuration Information
References
One of the benefits of open source technology in general and Linux is
particular is that it can be used effortlessly across several networking
environments and the Internet. With strong support for the standard Internet
protocol TCP/IP, Linux can talk to all the UNIX flavors, including macOS,
Windows (with the help of Samba), NetWare (IPX), and even older protocols
such as DECnet and Banyan VINES. Many organizations use Linux as an
Internet gateway, allowing many different clients to access the Internet
through Linux, as well as communicate via email and instant messaging. Most
important is its built-in support for IPv6, which has begun to see a significant
uptake in the commercial/enterprise world. It’s safe to say that whatever
networking protocol you come across, Linux will be able to work with it in