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.