Cisco Networking Academy Program CCNA 3.0 Training Edition

109 Pages·2003·7.38 MB·English

1269FMf1.book Page i Tuesday, April 15, 2003 10:40 AM
Cisco Networking Academy Program
CCNA 3.0 Training Edition
Cisco Press
201 West 103rd Street
Indianapolis, Indiana 46290 USA
www.ciscopress.com
1269FMf1.book Page ii Tuesday, April 15, 2003 10:40 AM
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Cisco Networking Academy Program
CCNA 3.0 Training Edition
Copyright© 2003 Cisco Systems, Inc.
Published by:
Cisco Press
201 West 103rd Street
Indianapolis, IN 46290 USA
All rights reserved. No part of this book may be reproduced or transmitted in any form
or by any means, electronic or mechanical, including photocopying, recording, or by
any information storage and retrieval system, without written permission from the
publisher, except for the inclusion of brief quotations in a review.
ISBN: 1-58713-126-9
Warning and Disclaimer
This book is a training edition and is designed to help Networking Academy instructors
optimize their CCNA 3.0 training experience while providing advance insight into the
CCNA 3.0 texts and companion products from Cisco Press. Every effort has been made
to make this training edition as complete and as accurate as possible, but no warranty or
fitness is implied.
The information is provided on an “as is” basis and is based on pre-publication mate-
rial and subject to change. The authors, Cisco Press, and Cisco Systems, Inc., shall
have neither liability nor responsibility to any person or entity with respect to any loss or
damages arising from the information contained in this book or from the use of the
discs or programs that may accompany it.
The opinions expressed in this book belong to the author and are not necessarily those
of Cisco Systems, Inc.
Trademark Acknowledgments
All terms mentioned in this book that are known to be trademarks or service marks
have been appropriately capitalized. Cisco Press or Cisco Systems, Inc., cannot attest to the
accuracy of this information. Use of a term in this book should not be regarded as
affecting the validity of any trademark or service mark.
®
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Contents at a Glance
Part I Introduction
Cisco Press Product Family Overview of Cisco Networking
Academy Program Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Companion Guide Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Key Elements of CCNA 3.0 Texts. . . . . . . . . . . . . . . . . . . . . . . . . . .5
Instructor Resource Center (IRC) Information . . . . . . . . . . . . . . . .6
Networking Academy Newsletter Registration Information. . . . .6
How to Request a Review Copy . . . . . . . . . . . . . . . . . . . . . . . . . . .6
How to Order. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Order Form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Bridging CCNA v2.0 and CCNA v3.0. . . . . . . . . . . . . . . . . . . . . . . .9
Part II Sample Chapters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
From Cisco Networking Academy Program
CCNA 1 and 2 Companion Guide, Third Edition,
Chapter 12, “Router Configuration”. . . . . . . . . . . . . . . . . . . . . . . .101
From Cisco Networking Academy Program
CCNA 1 and 2 Lab Companion, Third Edition,
Chapter 12, “Router Configuration”. . . . . . . . . . . . . . . . . . . . . .135
From Cisco Networking Academy Program
CCNA 1 and 2 Companion Guide, Third Edition,
Chapter 20, “Access Control Lists”. . . . . . . . . . . . . . . . . . . . . . . . .167
From Cisco Networking Academy Program
CCNA 1 and 2 Lab Companion, Third Edition,
Chapter 20, “Access Control Lists”. . . . . . . . . . . . . . . . . . . . . . .203
From Cisco Networking Academy Program
CCNA 3 and 4 Companion Guide, Third Edition,
Chapter 10, “VLAN Trunking Protocol” . . . . . . . . . . . . . . . . . . .213
From Cisco Networking Academy Program
CCNA 3 and 4 Lab Companion, Third Edition,
Chapter 10, “VLAN Trunking Protocol” . . . . . . . . . . . . . . . . . . .247
From Cisco Networking Academy Program
CCNA 3 and 4 Companion Guide, Third Edition,
Chapter 11, “Scaling IP Addresses” . . . . . . . . . . . . . . . . . . . . . . .271
From Cisco Networking Academy Program
CCNA 3 and 4 Lab Companion, Third Edition,
Chapter 11, “Scaling IP Addresses” . . . . . . . . . . . . . . . . . . . . . .307
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Contents
Cisco Press Product Family Overview of Cisco Networking
Academy Program Products 3
Companion Guide Features 4
Key Elements of CCNA 3.0 Texts 5
Instructor Resource Center (IRC) Information 6
Networking Academy Newsletter Registration Information 6
How to Request a Review Copy 6
How to Order 6
Order Form 7
Bridging CCNA v2.0 and CCNA v3.0 9
CCNA1 9
Module 3—Networking Media 9
Module 4—Cable Testing 13
Module 6—Ethernet Fundamentals 16
Module 7—Ethernet Technologies 20
CCNA2 26
Module 8—TCP/IP Messages 26
Module 9—Basic Router Troubleshooting 29
Module 11—Access Lists 38
CCNA3 43
Module 1—Introduction to Classless Routing 43
Module 2—Single-Area OSPF 47
Module 3—EIGRP 54
Module 6—Switch Configuration 60
Module 7—Spanning Tree Protocol (STP) 62
Module 8—VLANS 65
Module 9—Virtual Trunking Protocol (VTP) 72
CCNA4 77
Module 1—Scaling IP Addresses 77
Module 2—WAN Technologies 80
Module 4—ISDN and DDR 83
Module 5—Frame Relay 87
Module 6—Introduction to Network Administration 91
Module 7—Emerging Technologies 95
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From CCNA 1 and 2 Companion Guide,
Chapter 12, Router Configuration 101
Command-Line Interface Command Modes 101
User Command List 101
Privileged Mode Command List 103
Router Configuration Modes 106
Router Startup Modes 107
Configuring a Router Name 109
Configuring and Protecting Router Passwords 110
Examining the show Commands 111
Configuring a Serial Interface 114
Configuring an Ethernet Interface 116
Executing Changes to the Router 116
Finishing the Configuration 118
Importance of Configuration Standards 118
Providing Interface Descriptions 118
Configuring Interface Descriptions 119
Login Banners 120
Configuring a Message of the Day 120
Host Name Resolution 121
Configuration Backup and Documentation 122
Password Recovery 124
Overview of Password Recovery 124
Password Recovery Technique 1 125
Password Recovery Technique 2 126
Summary 129
Key Terms 130
Check Your Understanding 130
From CCNA 1 and 2 Lab Companion,
Chapter 12, Router Configuration 135
Lab 12-1: Command Modes and Router Identification 135
Objectives 136
Background / Preparation 136
Lab 12-2: Configuring Router Passwords 138
Objectives 138
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Background / Preparation 138
Lab 12-3: Using Router show Commands 141
Objectives 141
Background / Preparation 141
Lab 12-4: Configuring a Serial Interface 146
Objective 146
Background / Preparation 146
Lab 12-5: Configuring an Ethernet Interface 149
Objective 149
Background / Preparation 149
Lab 12-6: Making Configuration Changes 151
Objectives 151
Background / Preparation 151
Lab 12-7: Configuring Interface Descriptions 154
Objective 154
Background / Preparation 154
Lab 12-8: Configuring Message of the Day 157
Objective 157
Background / Preparation 157
Lab 12-9: Configuring Host Tables 159
Objective 159
Background / Preparation 160
Lab 12-10: Password Recovery Procedures 163
Objective 163
Background / Preparation 163
From CCNA 1 and 2 Companion Guide,
Chapter 20, Access Control Lists 167
ACL Overview 167
Why Create ACLs? 169
Creating an ACL: Why Order Matters 169
Using ACLs 170
How ACLs Work 170
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ACL Configuration Tasks 172
Assigning a Unique Number to Each ACL 173
Using Wildcard Mask Bits 174
Using the Wildcard any 176
Using the Wildcard host 177
Standard ACLs 177
Extended ACLs 181
Configuring Extended ACLs for ICMP 186
Configuring Extended ACLs for IGMP 186
Configuring Extended ACLs for TCP 187
Configuring Extended ACLs for UDP 187
Extended ACL Defaults 187
Named ACLs 189
Placing ACLs 192
Firewalls 193
Using ACLs with Firewalls 194
Restricting Virtual Terminal Access 194
Verifying ACLs 196
Summary 197
Key Terms 198
Check Your Understanding 198
From CCNA 1 and 2 Lab Companion,
Chapter 20, Access Control Lists 203
Lab 20-1.1: Configuring Standard ACLs 203
Objectives 204
Background / Preparation 204
Lab 20-2: Configuring Named ACLs 206
Objectives 207
Background / Preparation 207
Lab 20-3: Configuring Extended ACLs 208
Objectives 209
Background / Preparation 209
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From CCNA 3 and 4 Companion Guide,
Chapter 10, VLAN Trunking Protocol 213
Trunking 213
Trunking Concepts 214
Trunking Operation 215
VLANs and Trunking 216
Switch Command-Line Interfaces 218
Trunking Implementation 218
The VLAN Trunking Protocol (VTP) 221
History of the VTP 221
VTP Concepts 221
VTP Benefits 221
VTP Domain 222
VTP Modes 223
VTP Implementation 224
VTP Configuration 227
VTP Pruning 231
Inter-VLAN Routing 231
Inter-VLAN Issues and Solutions 233
Isolated Broadcast Domains 234
Finding the Route Between VLANs 235
Physical and Logical Interfaces 236
Dividing Physical Interfaces into Subinterfaces 237
Supporting Multiple VLAN Traffic 237
Distribution Layer Topology 239
Configuring Inter-VLAN Routing 239
Summary 241
Key Terms 242
Check Your Understanding 242
From CCNA 3 and 4 Lab Companion,
Chapter 10, VLAN Trunking Protocol 247
Lab 10-1: Trunking with ISL 247
Objectives 248
Background / Preparation 248
Lab 10-2: Trunking with 802.1q 254
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Objective 254
Background / Preparation 254
Lab 10-3: VTP Client and Server Configurations 260
Objective 260
Background / Preparation 260
Lab 10-4: Configuring Inter-VLAN Routing 266
Objectives 266
Background / Preparation 266
From CCNA 3 and 4 Companion Guide,
Chapter 11, Scaling IP Addresses 271
Internet Protocol Overview 271
NAT and PAT 274
NAT and PAT Features 278
Configuring NAT and PAT 280
Verifying NAT and PAT Configuration 285
Troubleshooting NAT and PAT Configuration 286
Advantages and Disadvantages of NAT 288
DHCP Overview 289
Introducing DHCP 290
BOOTP and DHCP Differences 292
DHCP Features 293
DHCP Operation 294
Configuring DHCP Operation 296
Verifying DHCP Operation 298
Troubleshooting DHCP Configuration 298
DHCP Relay 299
Summary 302
Key Terms 303
Check Your Understanding 303
From CCNA 3 and 4 Lab Companion,
Chapter 11, Scaling IP Addresses 307
Lab 11-1: Configuring NAT 308
Objective 308
Background / Preparation 308
Configuration Reference Sheet for This Lab 311