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Network Warrior
List Price: $35.99

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Product Description

Network Warrior provides a thorough and practical introduction to the entire network infrastructure, from cabling to the routers. What you need to learn to pass a Cisco certification exam such as CCNA and what you need to know to survive in the real world are two very different things. The strategies that this book offers weren 't on the exam, but they 're exactly what you need to do your job well.

Customer Reviews:

  • Easy to Read - Real World Experience
    I found many of my questions answered very quickly and in an easy to understand format. Items like "Gad's Maxims" which you would think have nothing to do with network isues - have everything to do with how you will get your job done.

    The real world examples - even the more bizarre ones like the police cruiser crashing a system overnight - sound like Hollywood has some new ways to take over the world. you jsut can't make this stuff up.

    It was worth the time to read.



    ...more info
  • The author can write
    Most technical manuals are written in the driest tone possible. The author has the rare ability to write in away that is understanable and enjoyable. If you a looking for books on networking this book should be included in your library....more info
  • Excellent reference
    Not for the non-techncial or people just starting out. This is an exceptional book/reference to pretty much everything you need to design robust networks and a lot cheaper than the Cisco library!...more info
  • Great book for its target audience
    This book is exactly what it set out to be, "Everything You Need to Know That Wasn't on the CCNA Exam". This book is targeted at junior network engineers and provides for them a strong foundation of skills to build upon. It assumes a little bit of networking knowledge, but not much. This book is also great for server admins that have recently switched roles to the networking side of things or want to know a little bit more.

    Pros: This book is easier to read then other technical books that I have read. Gary seems to put a bit of realism into the technical topics citing problems that he has dealt with in his years of experience. This book covers many topics and gets to what you need to know quickly.

    Cons: One of the pros means that there is also a con. This is NOT a book that will go into great detail on the inner workings of protocols like TCP/BGP. It does brush up on these topics, but entire books have been written on these individual protocols, or high availability technologies, etc.

    Conclusion: This book is what it is advertised to be. It is a great book to form a foundation of networking skills, but it should be followed up with other books that dive deep into detail into a particular topic that is required for your job. I recommend this book to anyone wanting to learn more about networking as a whole, especially junior network engineers or recent college grads. ...more info
  • Clear
    + : the style is very clear and a good fit for
    intermediate users.
    - : many topics are missing, wireless and VPN mostly.

    Overall i consider it a good book because what is included, is quite clearly explained....more info
  • The best networking book of 2007!!
    Network Warrior by Gary Donahue may just be the best gem of 2007. I purchased this book solely based on Richard Bejtlich's glowing recommendation. To be honest, I'm typically a little weary of these `all-in-one' books, because it is hard to master `all' areas (not to mention to easily discuss `all' areas). Unquestionably, Mr. Donahue has been able to buck this trend by providing a great resource that answers many questions efficiently and quickly.

    To begin with, where does most networking start - layer 2, correct? Concerning NICs and layer 2, most people take auto-negotiation to be (dare I write) plug-n-play. This is the first book I've seen where it discusses `parallel detection'. Donahue is correct on page 20 as stating auto-negotiation is a protocol. He goes on to explain the `why was it built like this' of auto-negotiation. It actually makes sense now. I showed these 2 or 3 pages to a couple of other network engineers, and they both found this information to be both novel and enlightening. Right from the start, I knew I was going to be hooked on this book.

    Another gem in this book, this is the first book where I see Dr. Radia Perlman's `Algorhyme' rhyme printed since Perlman's own book. Again, probably stupid, useless info to most, but Donahue gives the foundation for a lot of the topics discussed. The discussion starting on page 207 for the 6500 backplane, Chapter 18 dedicated to the 3750, the section starting on page 156 discussing GRE tunnels and the pits and perils of recursive routing, Content Switch Modules starting on chapter 28 - all topics that are both helpful and well documented in `Network Warrior'.

    I could go and on about this book. Overall, this is a great book. I've gone back to it at least 5 times a week since I purchase it last month. I can't imagine a better resource.

    I give this book 5 pings out of 5:
    !!!!!...more info
  • A good book, but weak on routing.
    I like this book, but I found it was weak on the contents of routing, it seems that the author's knowledge limited for routing, the reader will be easily confused for this part. I recommend "routing tcp/ip" for routing....more info
  • Well worth purchasing!
    I don't normally write reviews, so that in itself should mean something. This book is great for anyone who wants to get an overview of many aspects of networking, or for the current professional who wants an easy to understand refresher. The details given are just enough to keep you interested and learning, but not too much that it will leave you bored and confused. This book covers a lot more than a CCNA level person would know, so I consider it a great step if you're working on a CCNP, or just interested in deciding what topic you should master next. It also covers a lot of real-world material, which is usually not in most other Cisco books. This book is definitely worth the read!...more info
  • Absolutely a must have for network admins
    This book is definitive++ when it comes to network adminstration. Gary Donahue covers nearly all aspects of network administration focusing considerable time on the administration of the appliances themselves. Each topic covered starts with the theory behind the topic. This includes diagrams and picture representations that help clarify the topic. Then the chapter moves into more specific explanations concerning real world implementation. Finally actual adminstration is show by display the command typed into the routers themselves and the responses recieved from the command. The author also talks about various misconfiguration issues and the consequences that result. The organization is clear throughout as this theme of starting with the general and moving towards very detailed examples is kept for each topic in the book. Network admins will love the attention to detail and the careful coverage of each topic. One of the best chapters is actually an extra one at the end that talks about the behavior and personalities of computer admins in general. This was quite entertaining and in my opinion quite true. The most informative chapter would be difficult to call because so many issues are covered. Personally I was helped by the spanning tree chapter and the multiple chapters covering the VLANs. This book had the clearest explanations I have seen to date. Put this tool in the network toolbox....more info
  • Excellent practical info for all network admins and designers
    I don't know why the title page on this book says "Everything that wasn't on the CCNA Exam", because that might mislead some people to believe that this book is extremely Cisco-specific or is for network admins that are just starting out. Neither is true. Instead, this book is a very good survey of the various skills, network equipment, and technology that you need to know about in the year 2007 to be a successful network administrator and for that matter, successful network designer. This book is Cisco-centric in that mentions problems and algorithms specific to Cisco equipment, but it should be useful to anyone involved in network administration and design. Also, if you are a student taking a course in computer networking, this book is full of accessible explanations that you might not find in your typical textbook. For the relative low price of admission, it might be worthwhile to have it around as a supplemental text. The following is the detailed table of contents:

    Part I. HUBS, SWITCHES, and SWITCHING
    1. What Is a Network?
    2. Hubs and Switches
    Hubs; Switches;
    3. Auto-Negotiation
    What Is Auto-Negotiation?; How Auto-Negotiation Works; When Auto-Negotiation Fails; Auto-Negotiation Best Practices; Configuring Auto-Negotiation;
    4. VLANs
    Connecting VLANs; Configuring VLANs ;
    5. Trunking
    How Trunks Work; Configuring Trunks;
    6. VLAN Trunking Protocol
    VTP Pruning; Dangers of VTP;Configuring VTP;
    7. EtherChannel
    Load Balancing; Configuring and Managing EtherChannel;
    8. Spanning Tree
    Broadcast Storms; MAC Address Table Instability Preventing Loops with Spanning Tree; Managing Spanning Tree; Additional Spanning Tree Features; Common Spanning Tree Problems; Designing to Prevent Spanning Tree Problems;

    Part II. ROUTERS AND ROUTING
    9. Routing and Routers
    Routing Tables; Route Types; The IP Routing Table ;
    10. Routing Protocols
    Communication Between Routers; Metrics and Protocol Types; Administrative Distance; Specific Routing Protocols;
    11. Redistribution
    Redistributing into RIP; Redistributing into EIGRP ;Redistributing into OSPF; Mutual Redistribution; Redistribution Loops; Limiting Redistribution;
    12. Tunnels
    GRE Tunnels; GRE Tunnels and Routing Protocols; GRE and Access Lists;
    13. Resilient Ethernet
    HSRP; HSRP Interface Tracking; When HSRP Isn't Enough;
    14. Route Maps
    Building a Route Map; Policy-Routing Example;
    15. Switching Algorithms in Cisco Routers
    Process Switching; Interrupt Context Switching; Configuring and Managing Switching Paths;

    Part III. MULTILAYER SWITCHES
    16. Multilayer Switches
    Configuring SVIs; Multilayer Switch Models;
    17. Cisco 6500 Multilayer Switches;
    Architecture; CatOS Versus IOS;
    18. Catalyst 3750 Features
    Stacking; Interface Ranges Macros; Flex Links; Storm Control; Port Security; SPAN; Voice VLAN; QoS;

    Part IV. TELECOM
    19. Telecom Nomenclature
    Introduction and History; Telecom Glossary;
    20. T1
    Understanding T1 Duplex; Types of T1; Encoding; Framing ;Performance Monitoring; Alarms; Troubleshooting T1s; Configuring T1s;
    21. DS3
    Framing; Line Coding; Configuring DS3s;
    22. Frame Relay
    Ordering Frame-Relay Service; Frame-Relay Network Design; Oversubscription; Local Management Interface (LMI); Configuring Frame Relay; Troubleshooting Frame Relay;

    Part V. SECURITY AND FIREWALLS
    23. Access Lists
    Designing Access Lists; ACLs in Multilayer Switches; Reflexive Access Lists;
    24. Authentication in Cisco Devices
    Basic (Non-AAA) Authentication; AAA Authentication;
    25. Firewall Theory
    Best Practices; The DMZ; Alternate Designs;
    26. PIX Firewall Configuration
    Interfaces and Priorities; Names; Object Groups; Fixups; Failover; NAT; Miscellaneous; Troubleshooting;

    Part VI. SERVER LOAD BALANCING
    27. Server Load-Balancing Technology
    Types of Load Balancing; How Server Load Balancing Works; Configuring Server Load Balancing;
    28. Content Switch Modules in Action
    Common Tasks; Upgrading the CSM;

    Part VII. QUALITY OF SERVICE
    29. Introduction to QoS
    Types of QoS; QoS Mechanics; Common QoS Misconceptions
    30. Designing a QoS Scheme
    Determining Requirements; Configuring the Routers;
    31. The Congested Network
    Determining Whether the Network Is Congested; Resolving the Problem;
    32. The Converged Network
    Configuration; Monitoring QoS; Troubleshooting a Converged Network;

    Part VIII. DESIGNING NETWORKS
    33. Designing Networks
    Documentation; Naming Conventions for Devices; Network Designs
    34. IP Design
    Public Versus Private IP Space; VLSM; CIDR; Allocating IP Network Space; Allocating IP Subnets; IP Subnetting Made Easy;
    35. Network Time Protocol
    What Is Accurate Time?; NTP Design; Configuring NTP;
    36. Failures
    Human Error; Multiple Component Failure; Disaster Chains; No Failover Testing; Troubleshooting;
    37. GAD's Maxims
    Maxim #1; Maxim #2; Maxim #3;
    38. Avoiding Frustration
    Why Everything Is Messed Up; How to Sell Your Ideas to Management; When to Upgrade and Why; Why Change Control Is Your Friend; ...more info
  • Maybe the best book I will read in 2007
    Network Warrior is the best network administration book I've ever read. I spend most of my reading time on security books, but because I lean towards network security I like reading complementary sources on protocols and infrastructure. Gary Donahue has written a wonderful book that I highly recommend for anyone who administers, supports, or interacts with networks. Network Warrior may be the best book I will read in 2007.

    Why is Network Warrior so great? I think the key is the author's willingness to share personal recommendations. There are plenty of books about technology and syntax. I've read and reviewed many, most of which I liked for what they offered. However, it's rare to read a network book that says "here's how you should implement this," rather than just list options. I'm at the point in my career where I know what I might do; now I want to know what a real expert would do. Donahue provides that wisdom in many sections, but especially in Part VIII on network design.

    A second reason I really enjoyed Network Warrior was its coverage of a variety of Cisco features. Sure, I had read of many of these elsewhere, but I thought Donahue made many of them clear, especially in comparison to each other. There are better references for ACLs, like Cisco Router Firewall Security by Richard Deal, but when ACLs are described next to route maps or VLAN maps, Ciscoland becomes a little easier to understand. Donahue's explanations of EtherChannel, switching algorithms, and autonegotiation are other good examples. I even admit that the author corrected my misunderstanding of QoS, as he says "QoS does not limit bandwidth, it guarantees it, which is not the same thing" (p 429). Elsewhere he says "When there is no congestion, any protocol can use any amount of available bandwidth it needs" (p 428) and "while scheduling of packets always takes places, the limits set are really only enforced during congestion" (p 427).

    The third reason I like Network Warrior is the attention paid to understanding the fundamentals of certain technologies and products. The author ensures the reader gets a real grounding in telecom terms and technology, like T-1 lines. For products, I liked chapters on the 6500 series switch, content switches, and layer 3 switches.

    Finally, the writing is exceptionally clear. The diagrams are excellent and make their point very well. The author's suggestions for being a better administrator apply to any technical operator. I liked Donahue's repeated suggestion to "never assume anything" and to start troubleshooting at layer 1.

    Although I rated Network Warrior five stars, in a second edition I would like to see more on layer two fundamentals. I would also like to read about 802.1X and perhaps even Cisco NAC, since it seems to be becoming popular. Overall, however, you should buy and read Network Warrior right now. I loved it and will recommend it to anyone who wants to be a better network administrator....more info
  • NETWORK WARRIOR offers many insights based on the author's own real-world experiences.
    Gary A. Donahue's NETWORK WARRIOR is for network systems administrators and libraries catering to these advanced users: it begins where certification exams stop and continues the work of real world instruction on real Cisco networks, from understanding firewall theory and selling network improvements to management to IP design basics and best practices, NETWORK WARRIOR offers many insights based on the author's own real-world experiences....more info