Cisco Networking Academy is an innovative Cisco education initiative that delivers information and communication technology skills to improve career and economic opportunities around the world. The Academy provides online courses, interactive tools, and lab activities to prepare individuals for information technology and networking careers in virtually every industry.

Contributing Author:

Allan Johnson entered the academic world in 1999, after 10 years as a business owner/operator, to dedicate his efforts to his passion for teaching. He holds both an M.B.A. and an [...]. in training and development. He taught CCNA courses at the high school level for 7 years and has taught both CCNA and CCNP courses at Del Mar College in Corpus Christi, Texas. In 2003, Allan began to commit much of his time and energy to the CCNA Instructional Support Team, providing services to Networking Academy instructors worldwide and creating training materials. He now works full time for Cisco Networking Academy as Curriculum Lead.

Technical Reviewer:

Dave Holzinger has been a curriculum developer, project manager, author, and technical editor for Cisco Networking Academy in Phoenix since 2001. Dave works on the team that develops Cisco Networking Academy’s online curricula, including CCNA, CCNP, and IT Essentials. He has been working with computer hardware and software since 1981. Dave has certifications from Cisco, BICSI, and CompTIA.

Introduction xxvii

Chapter 1 Basic Device Configuration 1

Study Guide 2

Configure a Switch with Initial Settings 2

Configure Switch Ports 6

Network Access Layer Issues 8

Secure Remote Access 9

Basic Router Configuration 12

Verify Directly Connected Networks 15

Labs and Activities 21

Command Reference 21

1.1.7 Lab—Basic Switch Configuration 22

1.3.6 Packet Tracer—Configure SSH 36

1.4.7 Packet Tracer—Configure Router Interfaces 38

1.5.10 Packet Tracer—Verify Directly Connected Networks 39

1.6.1 Packet Tracer—Implement a Small Network 42

1.6.2 Lab—Configure Basic Router Settings 45

Chapter 2 Switching Concepts 53

Study Guide 54

Frame Forwarding 54

Switching Domains 57

Labs and Activities 59

Chapter 3 VLANs 61

Study Guide 62

Overview of VLANs 62

VLANs in a Multi-Switched Environment 64

VLAN Configuration 69

Packet Tracer 3-1: VLAN Creation and Port Assignment 70

VLAN Trunks 72

Dynamic Trunking Protocol 74

Labs and Activities 78

Command Reference 78

3.1.4 Packet Tracer—Who Hears the Broadcast? 79

3.2.8 Packet Tracer—Investigate a VLAN Implementation 81

3.3.12 Packet Tracer—VLAN Configuration 84

3.4.5 Packet Tracer—Configure Trunks 87

3.4.6 Lab—Configure VLANs and Trunking 89

3.5.5 Packet Tracer—Configure DTP 98

3.6.1 Packet Tracer—Implement VLANs and Trunking 103

3.6.2 Lab—Implement VLANs and Trunking 105

Chapter 4 Inter-VLAN Routing 109

Study Guide 110

Inter-VLAN Routing Operation 110

Router-on-a-Stick Inter-VLAN Routing 112

Inter-VLAN Routing Using Layer 3 Switches 114

Troubleshoot Inter-VLAN Routing 116

Labs and Activities 122

Command Reference 122

4.2.7 Packet Tracer—Configure Router-on-a-Stick Inter-VLAN Routing 122

4.2.8 Lab—Configure Router-on-a-Stick Inter-VLAN Routing 125

4.3.8 Packet Tracer—Configure Layer 3 Switching and Inter-VLAN Routing 131

4.4.8 Packet Tracer—Troubleshoot Inter-VLAN Routing 136

4.4.9 Lab—Troubleshoot Inter-VLAN Routing 138

4.5.1 Packet Tracer—Inter-VLAN Routing Challenge 141

4.5.2 Lab—Implement Inter-VLAN Routing 142

Chapter 5 STP Concepts 147

Study Guide 148

Purpose of STP 148

STP Operation 149

Evolution of STP 155

Labs and Activities 158

Command Reference 158

5.1.9 Packet Tracer—Investigate STP Loop Prevention 158

Chapter 6 EtherChannel 161

Study Guide 162

EtherChannel Operation 162

Configure EtherChannel 165

Verify and Troubleshoot EtherChannel 166

Labs and Activities 171

Command Reference 171

6.2.4 Packet Tracer—Configure EtherChannel 171

6.3.4 Packet Tracer—Troubleshoot EtherChannel 177

6.4.1 Packet Tracer—Implement EtherChannel 179

6.4.2 Lab—Implement EtherChannel 181

Chapter 7 DHCPv4 185

Study Guide 186

DHCPv4 Concepts 186

Configure a Cisco IOS DHCPv4 Server 187

Configure a DHCPv4 Client 190

Labs and Activities 191

Command Reference 191

7.2.10 Packet Tracer—Configure DHCPv4 191

7.4.1 Packet Tracer—Implement DHCPv4 194

7.4.2 Lab—Implement DHCPv4 196

Chapter 8 SLAAC and DHCPv6 203

Study Guide 204

IPv6 GUA Assignment 204

SLAAC 205

DHCPv6 207

Configure DHCPv6 Server 209

Labs and Activities 213

Command Reference 213

8.5.1 Lab—Configure DHCPv6 213

Chapter 9 FHRP Concepts 221

Study Guide 222

First Hop Redundancy Protocols 222

HSRP 224

Labs and Activities 227

Command Reference 227

9.3.3 Packet Tracer—HSRP Configuration Guide 227

Chapter 10 LAN Security Concepts 233

Study Guide 234

Endpoint Security 234

Access Control 235

Layer 2 Security Threats 237

MAC Address Table Attack 239

LAN Attacks 240

Labs and Activities 243

Chapter 11 Switch Security Configuration 245

Study Guide 246

Implement Port Security 246

Mitigate VLAN Attacks 249

Mitigate DHCP Attacks 249

Mitigate ARP Attacks 251

Mitigate STP Attacks 251

Labs and Activities 253

Command Reference 253

11.1.10 Packet Tracer—Implement Port Security 254

11.6.1 Packet Tracer—Switch Security Configuration 256

11.6.2 Lab—Switch Security Configuration 258

Chapter 12 WLAN Concepts 267

Study Guide 268

Introduction to Wireless 268

WLAN Components 269

WLAN Operation 271

CAPWAP Operation 273

Channel Management 275

WLAN Threats 277

Secure WLANs 278

Labs and Activities 281

Chapter 13 WLAN Configuration 283

Study Guide 284

Remote Site WLAN Configuration 284

Configure a Basic WLAN on the WLC 286

Configure a WPA2 Enterprise WLAN on the WLC 291

Troubleshoot WLAN Issues 299

Labs and Activities 302

13.1.10 Packet Tracer—Configure a Wireless Network 302

13.1.11 Lab—Configure a Wireless Network 307

13.2.7 Packet Tracer—Configure a Basic WLAN on the WLC 312

13.3.12 Packet Tracer—Configure a WPA2 Enterprise WLAN on the WLC 316

13.4.5 Packet Tracer—Troubleshoot WLAN Issues 322

13.5.1 Packet Tracer—WLAN Configuration 324

Chapter 14 Routing Concepts 329

Study Guide 330

Path Determination 330

Packet Forwarding 332

Basic Router Configuration Review 336

IP Routing Table 341

Static and Dynamic Routing 343

Labs and Activities 346

Command Reference 346

14.3.5 Packet Tracer—Basic Router Configuration Review 347

Chapter 15 IP Static Routing 353

Study Guide 354

Static Routes 354

Configure IP Static Route Types 356

Labs and Activities 361

Command Reference 361

15.6.1 Packet Tracer—Configure IPv4 and IPv6 Static and Default Routes 362

15.6.2 Lab—Configure IPv4 and IPv6 Static and Default Routes 365

Chapter 16 Troubleshoot Static and Default Routes 371

Study Guide 372

Packet Processing with Static Routes 372

Troubleshoot IPv4 Static and Default Route Configuration 373

Labs and Activities 374

16.3.1 Packet Tracer—Troubleshoot Static and Default Routes 374

16.3.2 Lab—Troubleshoot IPv4 and IPv6 Static and Default Routers 376

TOC, 9780136634386, 7/14/2020