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Every network will have problems. This chapter discusses the tools and techniques that can help you recover from these problems, and the planning and monitoring that can help avoid them. A solution is sometimes obvious if you can just gain enough information about the problem. Unix provides several built-in software tools that can help you gather information about system configuration, addressing, routing, name service, and other vital network components. Gather your tools and learn how to use them before a breakdown occurs.
Troubleshooting is an ongoing process. This book is just the beginning of another ongoing process -- learning. As you explore your system and network, you'll see that there is much more to networking than can ever be covered in one book. This book has been your launching pad -- helping you connect your system to the network. Now that your system is up and running, use it as a tool to expand your information horizons.
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| 13.8. Protocol Case Study |  | A. PPP Tools |
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