Network Troubleshooting Tools

Book description
Network Troubleshooting Tools helps you sort through the thousands of tools that have been developed for debugging TCP/IP networks and choose the ones that are best for your needs. It also shows you how to approach network troubleshooting using these tools, how to document your network so you know how it behaves under normal conditions, and how to think about problems when they arise so you can solve them more effectively.
Over the years, thousands of tools have been developed for debugging TCP/IP networks. They range from very specialized tools that do one particular task, to generalized suites that do just about everything except replace bad Ethernet cables. Even better, many of them are absolutely free. There’s only one problem: who has time to track them all down, sort through them for the best ones for a particular purpose, or figure out how to use them? Network Troubleshooting Tools does the work for you–by describing the best of the freely available tools for debugging and troubleshooting. You can start with a lesser-known version of ping that diagnoses connectivity problems, or take on a much more comprehensive program like MRTG for graphing traffic through network interfaces. There’s tkined for mapping and automatically monitoring networks, and Ethereal for capturing packets and debugging low-level problems. This book isn’t just about the tools available for troubleshooting common network problems. It also outlines a systematic approach to network troubleshooting: how to document your network so you know how it behaves under normal conditions, and how to think about problems when they arise, so you can solve them more effectively. The topics covered in this book include:
* Understanding your network
* Connectivity testing
* Evaluating the path between two network nodes
* Tools for capturing packets
* Tools for network discovery and mapping
* Tools for working with SNMP
* Performance monitoring
* Testing application layer protocols
* Software sources
If you’re involved with network operations, this book will save you time, money, and needless experimentation.

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Trainsignal Cisco CCNA Training

In 3 Days or Less, You'll Learn How To Install, Operate, & Troubleshoot a Small to Medium Enterprise Branch Network... And Have the Knowledge to Pass the Cisco CCNA 640-802 Exam... Guaranteed!

Once upon a time, I was in your shoes. Yes, I know how difficult it is to get started with Cisco studies. But stick to it and I promise, the challenges will pay off handsomely.

The CCNA is Cisco’s entry level certification exam, but it is not easy. And since the CCNA covers a wide array of topics, I have designed this course to help you tackle those diverse challenges.

The key to exam and job success is in the details. And most of those details are hard won from real world experience. Everything I am going to teach you, I wish someone would have taught me when I first started studying for my CCNA. At least you can benefit from my hard won experience and hopefully not repeat the same mistakes.

As with all Train Signal courses, I break down the theory and "real world" application of Cisco Networking. This exciting course contains nearly 29 hours of video instruction where I break down networking theory as you work hands on with real Cisco routers & switches... and build your own working network!

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