CCNA Command Guide.pdf

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CCNA Command Guide
Routing and Switching Command
Guide with Examples
Introduction
The CCNA Certification is a good foundation for other networking certifications
should you may want to pursue in the future. Cisco Routers and Switches take up
a huge chunk of the exam. The CCNA will test how much you know of Cisco
hardware and software.
CCNA Command Guide: Routing and Switching Command Guide with Examples
is designed to help you pass the CCNA Certification exam. The book is filled with
the following:
Illustrations: The book is filled with diagrams and pictures that will help you
understand the concepts and functions of Cisco Routers and Switches.
Command Guides: Each chapter includes several command guides that will
help you improve your Routing and Switching Management skills.
Outlined Concepts: This book contains a good outline of topics, technical
terms and information. This should help you understand and remember terms
that are sure to come out in the certification exam.
While the main goal of this book is to help you pass the CCNA examination, most
of the information found in this book has practical applications that you will find
useful when performing your job as an IT professional.
This book is divided into two parts:
Part One: Routing with Cisco Routers
Part Two: Switching with Cisco Switches
At this point, you should understand that the concept of Routing and Switching is
very similar except from the network layer they operate on. Most of the commands
are the same but the command protocols are different. Much of this will be
discussed in detail in the latter portions of each part.
Unlike other books that you can download from the internet, this book is very easy
to use because of the special formatting it uses. Important concepts are in
boldface,
italics
or
both.
Since this is book is a command guide, the sample
command lines that you can use to configure Cisco Routers and Switches are
highlighted by using a special font.
Table of Contents
Introduction
Table of Contents
Part 1. Routing with CISCO Routers
Chapter 1. Layer 3 Routers
Layer 3 (Network Layer)
Functions of Layer 3 Router
Types of Protocol
Router Functions
Chapter 2. Router Management
Cisco Routers
Using the Cisco Routers
Local Connection
Configuring a CISCO Router
Cisco IOS Setup Mode Commands
Password Configuration
VTY Password
Setting-Up a Router Banners
Auxiliary Password
Privileged Password
Password Encryption
Recovering A Lost Password
Chapter 3. Network Routing
Types of Network Routes
Routing Protocols
Routed Protocols
Routing Methods
Chapter 4. Enhanced Interior Gateway Routing Protocol (EIGRP)
Characteristics of EIGRP
Components of EIGRP
Routing Tables
EIGRP Packet Types
Convergence
Diffusing Update Algorithm (DUAL)
Classful vs. Classless Routing
Configuring EIGRP
Managing EIGRP Operation
Other EIGRP-related Terms
Chapter 5. Open Shortest Path First (OSPF) Protocol
Characteristics of OSPF
Convergence
Cost Metric
OSPF Hierarchy
Selecting a Designated Router (DR)
Router ID (RID)
Configuring the OSPF
OSPF Protocol Configuration
Pertinent Commands
Part 2. Switching with CISCO Switches
Chapter 6. Layer 2 Switches
Hubs
Bridges
Switches
Hubs vs. Bridges vs. Switches
Switch Functions
Glossary of Terms (Switching)
Chapter 7. Switch Management
Handling Methods for Cisco Switches
Console Port
Auxiliary Ports
Chapter 8. Network Traffic Management
Switching Modes
Chapter 9. Spanning Tree Protocol (STP)

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