Network Warrior, 2nd Edition

Everything you need to know that wasn't on the CCNA exam

Larger Cover

Everything you need to know that wasn't on the CCNA exam

By Gary A. Donahue

Publisher: O'Reilly Media

Released: May 2011

Pages: 788

Chapter 1 What Is a Network?
Chapter 2 Hubs and Switches
1. Hubs
2. Switches
Chapter 3 Autonegotiation
1. What Is Autonegotiation?
2. How Autonegotiation Works
3. When Autonegotiation Fails
4. Autonegotiation Best Practices
5. Configuring Autonegotiation
Chapter 4 VLANs
1. Connecting VLANs
2. Configuring VLANs
Chapter 5 Trunking
1. How Trunks Work
2. Configuring Trunks
Chapter 6 VLAN Trunking Protocol
1. VTP Pruning
2. Dangers of VTP
3. Configuring VTP
Chapter 7 Link Aggregation
1. EtherChannel
2. Cross-Stack EtherChannel
3. Multichassis EtherChannel (MEC)
4. Virtual Port Channel
Chapter 8 Spanning Tree
1. Broadcast Storms
2. MAC Address Table Instability
3. Preventing Loops with Spanning Tree
4. Managing Spanning Tree
5. Additional Spanning Tree Features
6. Common Spanning Tree Problems
7. Designing to Prevent Spanning Tree Problems
Chapter 9 Routing and Routers
1. Routing Tables
2. Route Types
3. The IP Routing Table
4. Virtual Routing and Forwarding
Chapter 10 Routing Protocols
1. Communication Between Routers
2. Metrics and Protocol Types
3. Administrative Distance
4. Specific Routing Protocols
Chapter 11 Redistribution
1. Redistributing into RIP
2. Redistributing into EIGRP
3. Redistributing into OSPF
4. Mutual Redistribution
5. Redistribution Loops
6. Limiting Redistribution
Chapter 12 Tunnels
1. GRE Tunnels
2. GRE Tunnels and Routing Protocols
3. GRE and Access Lists
Chapter 13 First Hop Redundancy
1. HSRP
2. HSRP Interface Tracking
3. When HSRP Isn’t Enough
4. Nexus and HSRP
5. GLBP
Chapter 14 Route Maps
1. Building a Route Map
2. Policy Routing Example
Chapter 15 Switching Algorithms in Cisco Routers
1. Process Switching
2. Interrupt Context Switching
3. Configuring and Managing Switching Paths
Chapter 16 Multilayer Switches
1. Configuring SVIs
2. Multilayer Switch Models
Chapter 17 Cisco 6500 Multilayer Switches
1. Architecture
2. CatOS Versus IOS
3. Installing VSS
Chapter 18 Cisco Nexus
1. Nexus Hardware
2. NX-OS
3. Nexus Iconography
4. Nexus Design Features
Chapter 19 Catalyst 3750 Features
1. Stacking
2. Interface Ranges
3. Macros
4. Flex Links
5. Storm Control
6. Port Security
7. SPAN
8. Voice VLAN
9. QoS
Chapter 20 Telecom Nomenclature
1. Telecom Glossary
Chapter 21 T1
1. Understanding T1 Duplex
2. Types of T1
3. Encoding
4. Framing
5. Performance Monitoring
6. Alarms
7. Troubleshooting T1s
8. Configuring T1s
Chapter 22 DS3
1. Framing
2. Line Coding
3. Configuring DS3s
Chapter 23 Frame Relay
1. Ordering Frame Relay Service
2. Frame Relay Network Design
3. Oversubscription
4. Local Management Interface
5. Configuring Frame Relay
6. Troubleshooting Frame Relay
Chapter 24 MPLS
Chapter 25 Access Lists
1. Designing Access Lists
2. ACLs in Multilayer Switches
3. Reflexive Access Lists
Chapter 26 Authentication in Cisco Devices
1. Basic (Non-AAA) Authentication
2. AAA Authentication
Chapter 27 Basic Firewall Theory
1. Best Practices
2. The DMZ
3. Alternate Designs
Chapter 28 ASA Firewall Configuration
1. Contexts
2. Interfaces and Security Levels
3. Names
4. Object Groups
5. Inspects
6. Managing Contexts
7. Failover
8. NAT
9. Miscellaneous
10. Troubleshooting
Chapter 29 Wireless
1. Wireless Standards
2. Security
3. Configuring a WAP
4. Troubleshooting
Chapter 30 VoIP
1. How VoIP Works
2. Small-Office VoIP Example
3. Troubleshooting
Chapter 31 Introduction to QoS
1. Types of QoS
2. QoS Mechanics
3. Common QoS Misconceptions
Chapter 32 Designing QoS
1. LLQ Scenario
2. Configuring the Routers
3. Traffic-Shaping Scenarios
Chapter 33 The Congested Network
1. Determining Whether the Network Is Congested
2. Resolving the Problem
Chapter 34 The Converged Network
1. Configuration
2. Monitoring QoS
3. Troubleshooting a Converged Network
Chapter 35 Designing Networks
1. Documentation
2. Naming Conventions for Devices
3. Network Designs
Chapter 36 IP Design
1. Public Versus Private IP Space
2. VLSM
3. CIDR
4. Allocating IP Network Space
5. Allocating IP Subnets
6. IP Subnetting Made Easy
Chapter 37 IPv6
1. Addressing
2. Simple Router Configuration
Chapter 38 Network Time Protocol
1. What Is Accurate Time?
2. NTP Design
3. Configuring NTP
Chapter 39 Failures
1. Human Error
2. Multiple Component Failure
3. Disaster Chains
4. No Failover Testing
5. Troubleshooting
Chapter 40 GAD’s Maxims
1. Maxim #1
2. Maxim #2
3. Maxim #3
Chapter 41 Avoiding Frustration
1. Why Everything Is Messed Up
2. How to Sell Your Ideas to Management
3. When to Upgrade and Why
4. Why Change Control Is Your Friend
5. How Not to Be a Computer Jerk

Colophon

Title:

Network Warrior, 2nd Edition

By:

Gary A. Donahue

Publisher:

O'Reilly Media

Formats:

Print
Ebook
Safari Books Online

Print:

May 2011

Ebook:

May 2011

Pages:

788

Print ISBN:

978-1-4493-8786-0

| ISBN 10:

1-4493-8786-1

Ebook ISBN:

978-1-4493-8787-7

| ISBN 10:

1-4493-8787-X

Colophon

The animal on the cover of Network Warrior is a German boarhound. More commonly known as the Great Dane, the German boarhound is an imposing yet elegant and affectionate dog that usually weighs between 100 and 130 pounds and measures between 28 and 32 inches in height. German boarhounds range in color from brindle to light grayish brown to harlequin and have a lifespan of 7 to 10 years.

A bit of controversy surrounds the German boarhound’s background, with some claiming the dog originates from Denmark, and others, Germany. However, over time, breeders in Germany have made the dog what it is today.

The name German boarhound comes from the breed’s ability in its hunting years to pull boars, wolves, and stags to the ground. The kings of Denmark and England often thought of the hound as holy, and at one time it was said that boarhounds lived in every castle in Germany.

Paintings of the German boarhound can be found on the walls of Egyptian tombs. In Beowulf, the boarhound makes an appearance as the hunting dog Dene. During the Middle Ages, the dogs were buried alongside their owners, as they were thought to be spirit guides to the afterlife. But their spirit selves were not always welcomed—the dog was sometimes thought of as a hellhound, called Black Shuck, a wraith-like black dog that was most likely the inspiration for Sir Arthur Conan Doyle’s third Sherlock Holmes novel, The Hound of the Baskervilles.

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Customer Reviews

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O'Reilly MediaNetwork Warrior, 2nd Edition

5.0

(based on 3 reviews)

100%

of respondents would recommend this to a friend.

Reviewed by 3 customers

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Displaying reviews 1-3

4/23/2012

5.0

A most.

By hmrneves

from Porto, Portugal

About Me Educator, Sys Admin

Pros

Accurate
Concise
Easy to understand
Helpful examples
Lots of images
Well-written

Cons

Best Uses

Intermediate
Novice
Student

Comments about O'Reilly Media Network Warrior, 2nd Edition:

Hey guys, im taking the ccna, and i will drop a advise.

Surely, if you want ccna you have to buy the official guides, but if you want to understand the things better, buy this book. All ccna students most have the book.

6/19/2011

(1 of 1 customers found this review helpful)

5.0

Second edition does not disappoint!

By Scott

from Arizona

Comments about O'Reilly Media Network Warrior, 2nd Edition:

If you walk into any networking geeks secret lair and scan your eyes along the endless horizon of nerdomenclature, you'll undoubtedly find Gary Donahue's original Networking Warrior somewhere pressed up against a vast collection of Cisco Press, Sybex, O'Reilly and occasional Max Brooks literature. From the beginning Gary Donahue's masterpiece has been widely accepted as thee' post CCNA book for every Cisco guy since 2007. As the unofficial go to manual for everything untaught on the CCNA a Cisco network engineer needs to know, Gary has taken his place among the elite masters Cisco authors such as Jeff Doyle, Wendell Odom, Jeremy Cioara and David Hucaby just to name a few.

Networking Warrior Second Edition has updated it's core example technologies to reflect the ever evolving industry we as network engineers work with on a daily bassis. Giving us operational examples on Cisco new cutting edge equipment including the Cisco ASA Firewalls 8.0+ IOS, 3750 & 6500 switches and even the super-cool new Nexis product line emerging from the dark shadows intending to over the world one packet at a time. Gary takes his time at the end of each applicable chapter to explain the differences of implementing each technology though the IOS, CatIOS and new Nexus NX-OS giving clear examples that are easy to follow doubling this book as an excellent field manual alongside the extremely popular Portable Command Guides published by Cisco Press.

What make book unique from most publishing's is Gary's sparkling humor scatted throughout his writings. One moment he will be explaining the technical aspect of the subject, the next he'll be making a metaphor funny enough to make your Spouse look over your shoulder and ask "whats so funny?", and after the fourth or fifth time may or may not be a good thing. Even though this book flows very well, it is not without it's fresh off the print edition errors. There are areas in the text where examples have not been updated to reflect the new books updated example equipment, other areas have diagram abnormalities, but we're not here to judge Gary's wife's editorial skills. I'm sure it's hared enough just to put up with him (joking of course).

Garry mentions and gives a great amount credit to his wife as being his front line editor though the many months involved in writing this book.

Networking Warrior spans an impressive 41 chapters covering a slue of topics. Just holding this book in your hands and thumbing though the chapter indexes gives you an idea of just how much Gary covers. I'd like to say this book is an excellent cover to cover read, and in some major blocks it is, but there are some section that no matter how supper-geek status you give yourself you'll just find yourself over inundated with information or lack of understanding, especially if you're fresh off the CCNA boat. The clear cut and skinny on this book is: If you're a CCNA looking for the next step, or a networking nut wanting to freshen up your knowledge of Cisco solutions you're in for a treat. Because Gary Donahue has everything but gift wrapped you the next book to fill that empty slot on your bookshelf. If is, if it ever gets off your desk.

5/24/2011

(2 of 2 customers found this review helpful)

5.0

Real-world networking

By John Brady

from Exeter, RI

About Me Designer, Developer, Maker, Sys Admin

Pros

Accurate
Easy to understand
Helpful examples
Well-written

Cons

Best Uses

Expert
Intermediate

Comments about O'Reilly Media Network Warrior, 2nd Edition:

Network Warrior, Second Edition is an update of the original (2007). The first volume was well worth reading, and this updated version is definitely on the "must read" list for anyone working with Cisco gear. Be aware that the book is Cisco-specific with regard to commands and vocabulary.

In the introduction, the author indicates that this book should be valuable to anyone with an entry-level Cisco-based skills (CCNA or better), but in my opinion it could also be useful to IT personnel who interact with network gear and are willing to do some additional background reading. For example, the book's lucid explanation of why autonegotiation causes problems could be of immense value to server team/sysadmin types (although obviously the router/switch config command listings are of less value to that audience).

One caveat to this book is that it should probably not be read by those attempting the CCNA or CCENT until *after* successfully taking the exams, unless you are certain you can sort out the Cisco "textbook" material from the "real world" discussions in Network Warrior.

Overall, this is a great book, well written, clearly illustrated and with examples that are hauntingly familiar to anyone who has supported Cisco networks of significant size.

Disclaimer: I was provided access by O'Reilly Publishing to an electronic copy of this book for review purposes.

Displaying reviews 1-3

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Chapter 1 What Is a Network?

Chapter 2 Hubs and Switches

Hubs

Switches

Chapter 3 Autonegotiation

What Is Autonegotiation?

How Autonegotiation Works

When Autonegotiation Fails

Autonegotiation Best Practices

Configuring Autonegotiation

Chapter 4 VLANs

Connecting VLANs

Configuring VLANs

Chapter 5 Trunking

How Trunks Work

Configuring Trunks

Chapter 6 VLAN Trunking Protocol

VTP Pruning

Dangers of VTP

Configuring VTP

Chapter 7 Link Aggregation

EtherChannel

Cross-Stack EtherChannel

Multichassis EtherChannel (MEC)

Virtual Port Channel

Chapter 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

Chapter 9 Routing and Routers

Routing Tables

Route Types

The IP Routing Table

Virtual Routing and Forwarding

Chapter 10 Routing Protocols

Communication Between Routers

Metrics and Protocol Types

Administrative Distance

Specific Routing Protocols

Chapter 11 Redistribution

Redistributing into RIP

Redistributing into EIGRP

Redistributing into OSPF

Mutual Redistribution

Redistribution Loops

Limiting Redistribution

Chapter 12 Tunnels

GRE Tunnels

GRE Tunnels and Routing Protocols

GRE and Access Lists

Chapter 13 First Hop Redundancy

HSRP

HSRP Interface Tracking

When HSRP Isn’t Enough

Nexus and HSRP

GLBP

Chapter 14 Route Maps

Building a Route Map

Policy Routing Example

Chapter 15 Switching Algorithms in Cisco Routers

Process Switching

Interrupt Context Switching

Configuring and Managing Switching Paths

Chapter 16 Multilayer Switches

Configuring SVIs

Multilayer Switch Models

Chapter 17 Cisco 6500 Multilayer Switches

Architecture

CatOS Versus IOS

Installing VSS

Chapter 18 Cisco Nexus

Nexus Hardware

NX-OS

Nexus Iconography

Nexus Design Features

Chapter 19 Catalyst 3750 Features