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Contents Listing

Preface



Chapter 1. Getting Started

Introduction

IOS User Modes

Command-Line Completion

Get to Know the Question Mark

Command-Line Editing Keys

Pausing Output

show Commands



Chapter 2. IOS Images and Configuration Files

IOS Images

Using the IOS Filesystem for Images

The Router's Configuration

Loading Configuration Files



Chapter 3. Basic Router Configuration

Configuration Soapbox

Setting the Router Name

Setting the System Prompt

Configuration Comments

The Enable Password

Mapping Hostnames to IP Addresses

Setting the Router's Time

Enabling SNMP

Cisco Discovery Protocol

System Banners



Chapter 4. Line Commands

What Is a Line?

The line Command

The Console Port

Virtual Terminals (VTYs)

Asynchronous Ports (TTYs)

The Auxiliary (AUX) Port

show line



Chapter 5. Interface Commands

Naming and Numbering Interfaces

Basic Interface Configuration Commands

The Loopback Interface

The Null Interface

Ethernet and Fast Ethernet Interfaces

Token Ring Interfaces

ISDN Interfaces

Serial Interfaces

Asynchronous Interfaces

Interface show Commands



Chapter 6. Frame Relay and ATM

Frame Relay

ATM



Chapter 7. Lists and Queues

Access Lists

Specific Topics

Managing Priorities with Queues



Chapter 8. IP Routing Topics

Routing Protocol Topics

Static Routes

Split Horizon

Passive Interfaces

Fast Switching and Process Switching



Chapter 9. Interior Routing Protocols

RIP

IGRP

EIGRP

OSPF



Chapter 10. Border Gateway Protocol

Introduction to BGP

A Simple BGP Configuration

Route Filtering

An Advanced BGP Configuration

Neighbor Authentication

Peer Groups

Route Reflectors

BGP Confederacies



Chapter 11. Dial-on-Demand Routing

Configuring a Simple DDR Connection

Sample Legacy DDR Configurations

Dialer Interfaces (Dialer Profiles)

Multilink PPP

Snapshot DDR



Chapter 12. Special Topics

Bridging

Hot Standby Routing Protocol (HSRP)

Network Address Translation (NAT)

Tunnels

Encrypted Tunnels



Chapter 13. Router Security

The enable Password

Features to Disable on Your Gateway Routers

Use a Warning Banner

Protect VTYs with an Access List



Chapter 14. Troubleshooting and Logging

ping

trace

Debugging

Logging



Chapter 15. Quick Reference



Index