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Pick up where certification exams leave off. With this practical, in-depth guide to the entire network infrastructure, you’ll learn how to deal with real Cisco networks, rather than the hypothetical situations presented on exams like the CCNA. Network Warrior takes you step by step through the world of routers, switches, firewalls, and other technologies based on the author's extensive field experience.

Gary A. Donahue is a working consultant who has been in the computer industry for 25 years. Gary has worked as a programmer, mainframe administrator, Technical Assistance Center engineer, network administrator, network designer, and consultant. Gary has worked as the Director of Network Infrastructure for a national consulting company and has been the president of his own New Jersey consulting company; GAD Technologies.

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
Stacking
Interface Ranges
Macros
Flex Links
Storm Control
Port Security
SPAN
Voice VLAN
QoS
Chapter 20 Telecom Nomenclature
Telecom Glossary
Chapter 21 T1
Understanding T1 Duplex
Types of T1
Encoding
Framing
Performance Monitoring
Alarms
Troubleshooting T1s
Configuring T1s
Chapter 22 DS3
Framing
Line Coding
Configuring DS3s
Chapter 23 Frame Relay
Ordering Frame Relay Service
Frame Relay Network Design
Oversubscription
Local Management Interface
Configuring Frame Relay
Troubleshooting Frame Relay
Chapter 24 MPLS
Chapter 25 Access Lists
Designing Access Lists
ACLs in Multilayer Switches
Reflexive Access Lists
Chapter 26 Authentication in Cisco Devices
Basic (Non-AAA) Authentication
AAA Authentication
Chapter 27 Basic Firewall Theory
Best Practices
The DMZ
Alternate Designs
Chapter 28 ASA Firewall Configuration
Contexts
Interfaces and Security Levels
Names
Object Groups
Inspects
Managing Contexts
Failover
NAT
Miscellaneous
Troubleshooting
Chapter 29 Wireless
Wireless Standards
Security
Configuring a WAP
Troubleshooting
Chapter 30 VoIP
How VoIP Works
Small-Office VoIP Example
Troubleshooting
Chapter 31 Introduction to QoS
Types of QoS
QoS Mechanics
Common QoS Misconceptions
Chapter 32 Designing QoS
LLQ Scenario
Configuring the Routers
Traffic-Shaping Scenarios
Chapter 33 The Congested Network
Determining Whether the Network Is Congested
Resolving the Problem
Chapter 34 The Converged Network
Configuration
Monitoring QoS
Troubleshooting a Converged Network
Chapter 35 Designing Networks
Documentation
Naming Conventions for Devices
Network Designs
Chapter 36 IP Design
Public Versus Private IP Space
VLSM
CIDR
Allocating IP Network Space
Allocating IP Subnets
IP Subnetting Made Easy
Chapter 37 IPv6
Addressing
Simple Router Configuration
Chapter 38 Network Time Protocol
What Is Accurate Time?
NTP Design
Configuring NTP
Chapter 39 Failures
Human Error
Multiple Component Failure
Disaster Chains
No Failover Testing
Troubleshooting
Chapter 40 GAD’s Maxims
Maxim #1
Maxim #2
Maxim #3
Chapter 41 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
How Not to Be a Computer Jerk
Colophon
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