In preparation for the CCNA exam, I have gone through several networking books, both Cisco-specific and otherwise. I had thought that the official Cisco Press CCNA set was the best resource... until I took a chance on this tome. While I have found the Wendell Odom CCNA set to be the definitive guide to CCNA/CCENT material, I now must admit that this book is nearly - or even exactly - as essential as a CCNA exam prep guide. While the other guides read like textbooks, giving the reader adequate conceptual and theoretical information, this book felt like a nice long chat with a seasoned "network warrior" about real-world, everyday issues faced by network engineers.
What set this book apart from the thousands of pages (hey, I'm dedicated!) of material I'd already covered?
- CatOS commands; the new Cisco Press books barely mention that CatOS exists!
- anecdotes and real-world examples; even if you know how it *should* work, this book reveals how it *does* work
- objective viewpoint on Cisco technology; no "Cisco's way is the best way" dogma here
- meaningful discussion of high-end, core-strength equipment; everything in the Wendell Odom set focused exclusively on Catalyst 2960 switches and one model of router
- frank, direct, humorous, and engaging style; half the material I've covered previously was dreadfully dull
- illustrations for every concept; this makes my life so much easier when trying to explain things to fellow junior technicians
While the book may seem daunting at nearly 600 pages, I'm flying through it at about 80-100 pages per day. The text is very engaging, and the author's way of phrasing things is informative and structured yet very flowing and casual. I feel that every chapter contains some point, if not several points and concepts, that I wouldn't have known from the other books out there. What is possibly the best feature of this book is the real-world, realistic approach to every concept and issue. The Cisco Press books seem to assume that the reader will be using 2960 access layer switches running IOS 12.2 or better. Network Warrior does not make this assumption. The author makes the realistic assumption that the reader's network could have all kinds of gear networked together, and thus includes information about CatOS as well as a wide variety of Cisco hardware. Also included are some quick and dirty tricks to save time, money, and effort. For example, I didn't know that I could abbreviate almost any command in IOS ("sho" instead of "show", etc.) and still get the same result until I read this book. While I feel that the by-the-book approach of the Cisco Press material is necessary for building a clear foundation, I feel that this book's get-the-job-done take on networking is a necessary follow-up.
The book assumes some working knowledge of networking, but not too much. It doesn't explain the bare basics of networking, nor does it give a history lesson about the histories of each and every cabling standard and networking protocol. It's not a total replacement for a book about networking basics, nor a beginner's guide to the CCNA and/or Cisco equipment. What it does instead is reshape one's conception of what a network is and how to manage it. What it does as well, and does excellently, is fill in the gaps that sorely needed filling in the great mass of other Cisco material out there. If you are preparing for the CCNA, or if you have already passed and think you know all you'll need to know about managing Cisco networks, this book was written for you. I guarantee you will learn something new.
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