Introduction 1

Book 1: Overview 7

Chapter 1: Looking at the Cisco Network World 9

Chapter 2: Exploring Cisco Network Design 23

Chapter 3: Knowing as Little as Possible about Math 51

Chapter 4: Testing Your Core Networking Knowledge 65

Chapter 5: Getting into the Cisco Internetwork Operating System 103

Book 2: Internet Protocols 143

Chapter 1: Making the Most of IPv4 145

Chapter 2: Choosing between Protocols: TCP and UDP 171

Chapter 3: Working with ARP, the IP Communication Model, and Data Link Layer Troubleshooting 189

Chapter 4: Working with IPv6 217

Book 3: Switching 227

Chapter 1: Reviewing the Enterprise LAN. 229

Chapter 2: Switching Basics 241

Chapter 3: Configuring Switches 255

Chapter 4: Easing Device Discovery with CDP 285

Chapter 5: Virtualizing Networks with VLANs and VTP 297

Chapter 6: Adding Fault Tolerance with STP 315

Chapter 7: Adding Fault Tolerance with EtherChannel 337

Chapter 8: Speeding Configuration with Smartport Macros 351

Book 4: Routing 365

Chapter 1: Making the Wide Area Network (WAN) Wide 367

Chapter 2: Cozying Up to Routing Basics 379

Chapter 3: Router Configuration 395

Chapter 4: Setting Up Static Routes 417

Chapter 5: Configuring Serial Connections and WAN Links 433

Chapter 6: Meeting the Routing Protocols 447

Chapter 7: Checking Out RIP and EIGRP Characteristics and Design 461

Chapter 8: Getting Comfortable with the OSPF and IS-IS Protocols 479

Chapter 9: Routing with BGP and IP Multicast. 501

Book 5: Wireless. 523

Chapter 1: Getting Wise to Wireless LANs 525

Chapter 2: Planning Your WLAN 543

Chapter 3: Securing Your WLAN. 567

Chapter 4: Building a Cisco Wireless Network 583

Book 6: Security and Management 605

Chapter 1: Defending against Common Attacks with Basic Security Tools 607

Chapter 2: Securing Networks with Cisco’s Adaptive Security Appliance 631

Chapter 3: Securing Networks with ACLs and NAT 663

Chapter 4: Cisco Security Best Practices 691

Chapter 5: AI, Management Tools, and Automation 719

Index 725