CCNA Routing and Switching Study Guide

Todd Lammle, CCSI, CCNA/CCNP R/S, CCNA/CCNP Voice, CCNA/CCNP Data Center, CCNA/CCNP Wireless, CCNA/CCNP Security, is the authority on Cisco networking. His three decades of real-world experience is prevalent in his writing. He is an experienced networking engineer with very practical experience working on the largest networks in the world at such companies as Xerox, Hughes Aircraft, Texaco, AAA, Cisco, and Toshiba, among many others. Todd has published over 60 books, including the very popular and bestselling CCNA: Cisco Certified Network Associate Study Guide. You can reach Todd through his forum and blog at www.lammle.com.

Introduction xxvii ICND1 (100-101) Exam Objectives xxxviii ICND2 (200-101) Exam Objectives xliv CCNA Composite (200-120) Exam Objectives xlvii Assessment Test lviii Part I ICND1 1 Chapter 1 Internetworking 3 Internetworking Basics 4 Internetworking Models 12 The OSI Reference Model 14 Summary 29 Exam Essentials 30 Written Labs 32 Review Questions 35 Chapter 2 Ethernet Networking and Data Encapsulation 41 Ethernet Networks in Review 42 Ethernet Cabling 59 Data Encapsulation 66 The Cisco three-layer Hierarchical Model 70 Summary 73 Exam Essentials 73 Written Labs 74 Review Questions 81 Chapter 3 Introduction to TCP/IP 87 Introducing TCP/IP 88 TCP/IP and the DoD Model 89 IP Addressing 118 IPv4 Address Types 126 Multicast Address 128 Summary 129 Exam Essentials 130 Written Labs 132 Review Questions 134 Chapter 4 Easy Subnetting 139 Subnetting Basics 140 How to Create Subnets 142 Summary 170 Exam Essentials 170 Written Labs 171 Review Questions 174 Chapter 5 VLSMs, Summarization, and Troubleshooting TCP/IP 181 Variable Length Subnet Masks (VLSMs) 182 Summarization 193 Troubleshooting IP Addressing 196 Summary 203 Exam Essentials 204 Written Lab 5 205 Review Questions 206 Chapter 6 Cisco s Internetworking Operating System (IOS) 213 The IOS User Interface 215 Command-line Interface (CLI) 219 Administrative Configurations 228 Router and Switch Interfaces 241 Viewing, Saving, and Erasing Configurations 250 Summary 264 Exam Essentials 265 Written Lab 6 268 Hands-on Labs 268 Review Questions 277 Chapter 7 Managing a Cisco Internetwork 283 The Internal Components of a Cisco Router and Switch 284 Configuring DHCP 290 Network Time Protocol (NTP) 293 Using Cisco Discovery Protocol (CDP) 295 Using Telnet 303 Resolving Hostnames 307 Checking Network Connectivity and Troubleshooting 311 Summary 317 Exam Essentials 317 Written Lab 7 319 Hands-on Labs 320 Review Questions 325 Chapter 8 IP Routing 331 Routing Basics 333 The IP Routing Process 335 Configuring IP Routing 346 Configuring IP Routing in Our Network 356 Dynamic Routing 365 Routing Information Protocol (RIP) 367 Summary 373 Exam Essentials 374 Written Lab 8 376 Hands-on Labs 376 Review Questions 380 Chapter 9 Open Shortest Path First (OSPF) 385 Open Shortest Path First (OSPF) Basics 386 Configuring OSPF 393 OSPF and Loopback Interfaces 402 Verifying OSPF Configuration 405 Summary 411 Exam Essentials 412 Written Lab 9 413 Hands-on Labs 413 Review Questions 417 Chapter 10 Layer 2 Switching 425 Switching Services 426 Configuring Catalyst Switches 436 Summary 447 Exam Essentials 447 Written Lab 10 448 Hands-on Labs 448 Review Questions 452 Chapter 11 VLANs and InterVLAN Routing 459 VLAN Basics 460 Identifying VLANs 465 Routing between VLANs 469 Configuring VLANs 472 Summary 487 Exam Essentials 488 Written Lab 11 489 Hands-on Labs 489 Review Questions 494 Chapter 12 Security 501 Perimeter, Firewall, and Internal Routers 502 Introduction to Access Lists 503 Standard Access Lists 507 Extended Access Lists 515 Monitoring Access Lists 526 Summary 528 Exam Essentials 529 Written Lab 12 530 Hands-on Labs 530 Review Questions 535 Chapter 13 Network Address Translation (NAT) 541 When Do We Use NAT? 542 Types of Network Address Translation 544 NAT Names 544 How NAT Works 545 Testing and Troubleshooting NAT 550 Summary 555 Exam Essentials 556 Written Lab 13 557 Hands-on Labs 557 Review Questions 564 Chapter 14 Internet Protocol Version 6 (IPv6) 569 Why Do We Need IPv6? 571 The Benefits and Uses of IPv6 571 IPv6 Addressing and Expressions 573 How IPv6 Works in an Internetwork 577 IPv6 Routing Protocols 586 Configuring IPv6 on Our Internetwork 588 Configuring Routing on Our Internetwork 591 Summary 599 Exam Essentials 599 Written Labs 601 Hands-on Labs 602 Review Questions 607 Part II ICND2 613 Chapter 15 Enhanced Switched Technologies 615 Spanning Tree Protocol (STP) 616 Types of Spanning-tree Protocols 623 Modifying and Verifying the Bridge ID 631 Spanning-tree Failure Consequences 636 PortFast and BPDU Guard 638 EtherChannel 642 Summary 646 Exam Essentials 647 Written Lab 1 648 Review Questions 656 Chapter 16 Managing Cisco Devices 661 The Internal Components of a The Router Boot Sequence 663 Managing Configuration Register 664 Backing Up and Restoring the Cisco IOS 671 Licensing 682 Summary 688 Exam Essentials 689 Written Labs 691 Hands-on Labs 692 Review Questions 694 Chapter 17 IP Services 699 Client Redundancy Issues 700 Introducing First Hop Redundancy Protocol (FHRP) 702 Hot Standby Router Protocol (HSRP) 704 Virtual Router Redundancy Protocol 715 Gateway Load Balancing Protocol 716 Syslog 721 SNMP 726 NetFlow 730 Summary 734 Exam Essentials 734 Written Lab 3 735 Review Questions 736 Chapter 18 Troubleshooting IP, IPv6, and VLANs 741 Troubleshooting IP Network Connectivity 742 Troubleshooting IPv6 Network Connectivity 754 Troubleshooting VLAN Connectivity 763 Summary 776 Exam Essentials 777 Written Lab 4 778 Review Questions 779 Chapter 19 Enhanced IGRP 783 EIGRP Features and Operations 784 Configuring EIGRP 792 Verifying and Troubleshooting EIGRP 811 EIGRPv6 828 Summary 833 Exam Essentials 834 Written Lab 5 835 Hands-on Labs 835 Review Questions 838 Chapter 20 Multi-Area OSPF 847 OSPF Scalability 848 Categories of Multi-area Components 850 Basic Multi-area Configuration 857Verifying and Troubleshooting Troubleshooting OSPF Scenario 868 OSPFv3 876 Summary 881 Exam Essentials 881 Written Lab 6 883 Hands-on Labs 883 Review Questions 890 Chapter 21 Wide Area Networks 897 Introduction to Wide Area Networks 898 Cable and DSL 905 Cabling the Serial Wide Area Network 910 High-Level Data-Link Control (HDLC) Protocol 912 Point-to-Point Protocol (PPP) 914 Verifying and Troubleshooting Serial Links 918 Frame Relay 923 Virtual Private Networks 942 GRE Tunnels 946 Summary 951 Exam Essentials 951 Written Lab 7 953 Hands-on Labs 953 Review Questions 961 Appendix A Answers to Written Labs 967 Chapter 1: Internetworking 968 Chapter 2: Ethernet Networking and Data Encapsulation 970 Chapter 3: Introduction to TCP/IP 974 Chapter 4: Easy Subnetting 975 Chapter 5: VLSMs, Summarization and Troubleshooting TCP/IP 977 Chapter 6: Cisco s Internetworking Operating System (IOS) 978 Chapter 7: Managing a Cisco Internetwork 978 Appendix C Disabling and Configuring Network Services 1029 Blocking SNMP Packets 1030 Disabling Echo 1030 Turning off BootP and Auto-Config 1031 Disabling the HTTP Interface 1032 Disabling IP Source Routing 1032 Disabling Proxy ARP 1032 Disabling Redirect Messages 1032 Disabling the Generation of ICMP Unreachable Messages 1033 Disabling Multicast Route Caching 1033 Disabling the Maintenance Operation Protocol (MOP) 1033 Turning Off the X.25 PAD Service 1034 Enabling the Nagle TCP Congestion Algorithm 1034 Logging Every Event 1034 Disabling Cisco Discovery Protocol 1035 Disabling the Default Forwarded UDP Protocols 1035 Cisco s Auto Secure 1036 Appendix D About the Additional Study Tools 1041 Additional Study Tools 1042 Minimum System Requirements 1043 Using the Study Tools 1044 Troubleshooting 1044 Index 1045