CCENT/CCNA ICND1 100-101 Official Cert Guide, Academic Edition

About

Features

•  This new edition includes a new part review feature that helps students consolidate their knowledge of concepts presented across multiple chapters. A new mind mapping exercise helps students build strong mental maps of concepts. A new exam bank of part review questions helps students test themselves with scenario-based questions that span multiple topics.
• This book comes complete with full instructor supplements to assist instructors with building effective lesson plans. An instructor guide, PPT slide decks, and test bank are all offered to instructors adopting this book for their classroom. A MyITCertificationLab online assessment and instruction platform is also offered at a special bundle price.
• This book also comes with a free version of the Premium Edition eBook and practice test, allowing students to access the digital copy in PDF, EPUB, or Kindle format on their computer or mobile device.

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Description

• Copyright 2013
• Dimensions: 8" x 10"
• Pages: 864
• Edition: 1st

• Book
• ISBN-10: 1-58714-485-9
• ISBN-13: 978-1-58714-485-1

CCENT/CCNA ICND1 100-101 Official Cert Guide, Academic Edition  is a comprehensive textbook and study package for a beginner-level networking course. This book has been completely revised to align to Cisco's new CCENT 100-101 ICND1 exam. Material is presented in a concise manner, focusing on increasing student's retention and recall of exam topics. The book is printed in four color, allowing students to benefit from carefully crafted figures that utilize color to convey concepts. Students will organize their study through the use of the consistent features in these chapters, including:

• Foundation Topics — These sections make up the majority of the page count, explaining concepts, configurations, with emphasis on the theory and concepts, and with linking the theory to the meaning of the configuration commands.
• Key Topics — Inside the Foundation Topics sections, every figure, table, or list that should absolutely be understood and remembered for the exam is noted with the words “Key Topic” in the margin. This tool allows the reader to quickly review the most important details in each chapter.
• Chapter-ending Summaries — These bulleted lists provide a quick and concise review of the key topics covered in each chapter.
• Chapter-ending Review Questions — Each chapter provides a set of multiple choice questions that help student’s test their knowledge of the chapter concepts, including answers and full explanations.
• Chapter-ending Exercises — Each chapter concludes with a series of exercises designed to help students increase their retention of the chapter content including key term reviews, key topic tables, command review exercises, and memory table exercises.
• Part Reviews — This new edition includes a new part review feature that helps students consolidate their knowledge of concepts presented across multiple chapters. A new mind mapping exercise helps students build strong mental maps of concepts. A new exam bank of part review questions helps students test themselves with scenario-based questions that span multiple topics.

In addition to these powerful chapter learning, review, and practice features, this book also contains several other features that make it a truly effective and comprehensive study package, including:

• A Getting Started chapter at the beginning of the book offer terrific advice for how to use the book features and build an effective study plan.
• The DVD contains over 90 minutes of video mentoring from the author on challenging topics such as CLI navigation, router configuration, switch basics, VLANs, and subnetting.
• The book comes complete with the CCENT/CCNA ICND1 Network Simulator Lite software, providing students with the opportunity to practice their hands-on command line interface skills with Cisco routers and switches. The 13 labs included for free with this product cover a range of IP addressing configuration and troubleshooting exercises.
• The Pearson IT Certification Practice Test software that comes with the book includes 4 full ICND1 exams and 4 full CCNA exams, providing tons of opportunities to assess and practice. Including the book review questions and part review questions, the exam bank includes more than 600 unique practice questions.
• This book also comes with a free version of the Premium Edition eBook, allowing students to access the digital copy in PDF, EPUB, or Kindle format on their computer or mobile device.
• A Final Preparation Chapter helps students review for final exams and prepare to take the official Cisco CCNA exams, if they want to achieve that certification.
• A Study Plan Template is i

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Downloads

Downloads

Official Cert Guide-to-Simulator Lab Mapping Guide (148 KB .pdf)

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Extras

Author's Site

Please visit the author's site here

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Premium Edition

Cisco Press is the official publisher for the New CCENT Certification.  The New Edition of this Best-Selling Official Cert Guide Premium Edition includes Updated Content, New Exercises, 500 Practice Questions, and 90 Minutes of Video Training -- PLUS the CCENT Network Simulator Lite Edition with 26 Free Network Simulator Labs.  

The exciting new CCENT/CCNA ICND1 100-101 Official Cert Guide, Premium Edition eBook and Practice Test is a digital-only certification preparation product combining an eBook with enhanced Pearson IT Certification Practice Test. The Premium Edition eBook and Practice Test contains the following items:

• Cisco CCENT/CCNA ICND1 100-101 Official Cert Guide eBook
• Four full ICND1 practice exams combined with four full CCNA practice exams, part review questions, and book questions (over 500 unique exam-realistic questions) utilizing the Pearson IT Certification Practice Test (PCPT) software
• Direct links from each question to detailed tutorials to help you understand the concepts behind the questions
• Performance Tracking and feedback on a module-by-module basis, laying out a complete assessment of your knowledge to help you focus your study where it is needed most
• PDF, EPUB, and MOBI (Kindle eBook) formats, which are accessible via your PC, tablet, eBook reader, and Smartphone

About the Cisco CCENT/CCNA ICND1 100-101 Official Cert Guide eBook

The Cisco CCENT/CCNA ICND1 100-101 Official Cert Guide, Academic Edition enables you to succeed on the exam the first time. Best-selling author and expert instructor Wendell Odom shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills.

This complete study package includes

• A test-preparation routine proven to help you pass the exams
• Do I Know This Already? quizzes, which enable you to decide how much time you need to spend on each section
• Chapter-ending and part-ending exercises, which help you drill on key concepts you must know thoroughly
• Troubleshooting sections, which help you master the complex scenarios you will face on the exam
• The powerful Pearson IT Certification Practice Test software, complete with hundreds of well-reviewed, exam-realistic questions, customization options, and detailed performance reports
• A free copy of the CCENT/CCNA ICND1 100-101 Network Simulator Lite software, complete with meaningful lab exercises that help you hone your hands-on skills with the command-line interface for routers and switches
• More than 90 minutes of video mentoring from the author
• A final preparation chapter, which guides you through tools and resources to help you craft your review and test-taking strategies
• A final preparation chapter, which guides you through tools and resources to help you craft your review and test-taking strategies
• Study plan suggestions and templates to help you organize and optimize your study time

Go to the back pages of your eBook for instructions on how to access the Network Simulator Lite and personal video mentoring content.

This official study guide helps you master all the topics on the CCENT/CCNA ICND1 exam, including

• Networking fundamentals
• Ethernet LANs and switches
• IPv4 addressing and subnetting
• Operating Cisco routers
• Configuring OSPF
• ACLs and NAT
• IPv6 fundamentals

About the CCENT/CCNA ICND1 100-101 Network Simulator Lite Software

The CCENT Network Simulator Lite software, which simulates the experience of working on actual Cisco routers and switches, contains the following free simulator labs:

1. Configuring IP Addresses I

2. Configuring IP Addresses II

3. Connected Routes

4. Static Routes I

5. Static Routes II

6. Subnet Zero

7. Loopback Interfaces

8. Subnet ID Calculation

9. IPv4 Address Rejection

10. IPv4 Route Selection

11. Subnetting and Addressing Configuration Scenario

12. Static Routing Configuration Scenario

13. Network Discovery Troubleshooting Scenario

Wendell Odom, CCIE® No. 1624, is the most respected author of Cisco networking books in the world. His past titles include books on the entry-level Cisco certifications (CCENT and CCNA), the more advanced CCNP, and the industry-renowned CCIE. His books are known for their technical depth and accuracy. Wendell has worked as a network engineer, consultant, instructor, course developer, and book author, and he has produced videos, software, and blogs related to Cisco certifications. His website, with links to various study tools and resources, is at www.certskills.com.

Pearson IT Certification Practice Test minimum system requirements:

Windows XP (SP3), Windows Vista (SP2), or Windows 7; Microsoft .NET Framework 4.0 Client; Microsoft SQL Server Compact 4.0; Pentium class 1GHz processor (or equivalent); 512 MB RAM; 650 MB disc space plus 50 MB for each downloaded practice exam

CCENT ICND1 Network Simulator Lite minimum system requirements:

• Microsoft Windows XP (SP3), Windows Vista (32-bit/64-bit) with SP1, Windows 7 (32-bit/64-bit) or Windows 8 (32-bit/64-bit, x86 processors), Mac OS X 10.6, 10.7, or 10.8
• Intel Pentium III 1GHz or faster processor
• 512 MB RAM (1GB recommended)
• 1 GB hard disk space
• 32-bit color depth at 1024x768 resolution
• Adobe Acrobat Reader version 8 and above

Other applications installed during installation:

• Adobe AIR 3.6.0
• Captive JRE 6

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Sample Content

Online Sample Chapter

Cisco CCENT/CCNA ICND1 100-101 Cert Guide: Fundamentals of IP Version 6

Sample Pages

Download the sample pages (includes Chapter 25 and Index)

Table of Contents

Introduction xxxi

Getting Started 2

Part I Networking Fundamentals 8

Chapter 1 The TCP/IP and OSI Networking Models 10

Foundation Topics 11

Perspectives on Networking 11

TCP/IP Networking Model 12

    History Leading to TCP/IP 13

    Overview of the TCP/IP Networking Model 14

    TCP/IP Application Layer 15

        HTTP Overview 15

        HTTP Protocol Mechanisms 16

    TCP/IP Transport Layer 17

        TCP Error Recovery Basics 17

        Same-Layer and Adjacent-Layer Interactions 18

    TCP/IP Network Layer 18

        Internet Protocol and the Postal Service 18

        Internet Protocol Addressing Basics 20

        IP Routing Basics 21

    TCP/IP Link Layer (Data Link Plus Physical) 21

    TCP/IP Model and Terminology 23

        Comparing the Original and Modern TCP/IP Models 23

        Data Encapsulation Terminology 23

        Names of TCP/IP Messages 24

OSI Networking Model 25

    Comparing OSI and TCP/IP 25

    Describing Protocols by Referencing the OSI Layers 26

    OSI Layers and Their Functions 26

    OSI Layering Concepts and Benefits 28

    OSI Encapsulation Terminology 28

Review Activities 30

Chapter 2 Fundamentals of Ethernet LANs 34

Foundation Topics 35

An Overview of LANs 35

    Typical SOHO LANs 35

    Typical Enterprise LANs 36

    The Variety of Ethernet Physical Layer Standards 37

    Consistent Behavior over All Links Using the Ethernet Data Link Layer 38

Building Physical Ethernet Networks with UTP 38

    Transmitting Data Using Twisted Pairs 39

    Breaking Down a UTP Ethernet Link 39

    UTP Cabling Pinouts for 10BASE-T and 100BASE-T 41

        Straight-Through Cable Pinout 41

        Crossover Cable Pinout 43

        Choosing the Right Cable Pinouts 43

    UTP Cabling Pinouts for 1000BASE-T 44

Sending Data in Ethernet Networks 44

    Ethernet Data Link Protocols 45

        Ethernet Addressing 45

        Identifying Network Layer Protocols with the Ethernet Type Field 47

        Error Detection with FCS 48

    Sending Ethernet Frames with Switches and Hubs 48

        Sending in Modern Ethernet LANs Using Full-Duplex 48

        Using Half-Duplex with LAN Hubs 49

Review Activities 52

Chapter 3 Fundamentals of WANs 56

Foundation Topics 57

Leased Line WANs 57

    Positioning Leased Lines with LANs and Routers 57

    Physical Details of Leased Lines 58

        Leased Line Cabling 59

        Building a WAN Link in a Lab 60

    Data Link Details of Leased Lines 60

        HDLC Basics 61

        How Routers Use a WAN Data Link 62

Ethernet as a WAN Technology 63

    Ethernet WANs that Create a Layer 2 Service 64

    How Routers Route IP Packets Using Ethernet Emulation 65

Accessing the Internet 65

    The Internet as a Large WAN 66

    Internet Access (WAN) Links 67

    Digital Subscriber Line 68

    Cable Internet 69

Review Activities 71

Chapter 4 Fundamentals of IPv4 Addressing and Routing 74

Foundation Topics 75

Overview of Network Layer Functions 75

    Network Layer Routing (Forwarding) Logic 75

        Host Forwarding Logic: Send the Packet to the Default Router 76

        R1 and R2’s Logic: Routing Data Across the Network 77

        R3’s Logic: Delivering Data to the End Destination 77

    How Network Layer Routing Uses LANs and WANs 77

    IP Addressing and How Addressing Helps IP Routing 78

    Routing Protocols 79

IPv4 Addressing 80

    Rules for IP Addresses 80

    Rules for Grouping IP Addresses 81

        Class A, B, and C IP Networks 82

        The Actual Class A, B, and C IP Networks 83

    IP Subnetting 85

IPv4 Routing 87

    IPv4 Host Routing 87

    Router Forwarding Decisions and the IP Routing Table 87

        A Summary of Router Forwarding Logic 87

        A Detailed Routing Example 88

IPv4 Routing Protocols 89

Other Network Layer Features 91

    Using Names and the Domain Name System 91

    The Address Resolution Protocol 92

    ICMP Echo and the ping Command 93

Review Activities 95

Chapter 5 Fundamentals of TCP/IP Transport and Applications 100

Foundation Topics 101

TCP/IP Layer 4 Protocols: TCP and UDP 101

    Transmission Control Protocol 102

        Multiplexing Using TCP Port Numbers 102

        Popular TCP/IP Applications 105

        Connection Establishment and Termination 106

    User Datagram Protocol 107

TCP/IP Applications 107

    QoS Needs and the Impact of TCP/IP Applications 107

        Defining Interactive and Batch Applications 108

        Real-Time Voice and Video Applications 108

    The World Wide Web, HTTP, and SSL 109

        Uniform Resource Locators 110

        Finding the Web Server Using DNS 110

        Transferring Files with HTTP 112

Review Activities 113

Part I Review 118

Part II Ethernet LANs and Switches 122

Chapter 6 Building Ethernet LANs with Switches 124

Foundation Topics 125

LAN Switching Concepts 125

    Historical Progression: Hubs, Bridges, and Switches 125

    Switching Logic 127

        The Forward-Versus-Filter Decision 127

        How Switches Learn MAC Addresses 128

        Flooding Frames 129

        Avoiding Loops Using Spanning Tree Protocol 130

        Internal Processing on Cisco Switches 130

    LAN Switching Summary 131

Design Choices in Ethernet LANs 132

    Collision Domains, Broadcast Domains, and VLANs 132

        Collision Domains 133

        Broadcast Domains 133

        The Impact of Collision and Broadcast Domains on LAN Design 134

        Virtual LANs (VLAN) 135

    Choosing Ethernet Technology for a Campus LAN 136

        Campus Design Terminology 136

        Ethernet LAN Media and Cable Lengths 138

    Autonegotiation 139

        Autonegotiation Results When Only One Node Uses Autonegotiation 140

        Autonegotiation and LAN Hubs 141

Review Activities 143

Chapter 7 Installing and Operating Cisco LAN Switches 148

Foundation Topics 149

Accessing the Cisco Catalyst 2960 Switch CLI 149

    Cisco Catalyst Switches and the 2960 Switch 149

    Switch Status from LEDs 150

    Accessing the Cisco IOS CLI 152

        Cabling the Console Connection 152

        Configuring the Terminal Emulator for the Console 153

        Accessing the CLI with Telnet and SSH 154

        Password Security for CLI Access 155

    User and Enable (Privileged) Modes 156

    CLI Help Features 157

    The debug and show Commands 158

Configuring Cisco IOS Software 159

    Configuration Submodes and Contexts 160

    Storing Switch Configuration Files 162

    Copying and Erasing Configuration Files 164

    Initial Configuration (Setup Mode) 165

    IOS Version and Other Reload Facts 166

Review Activities 169

Chapter 8 Configuring Ethernet Switching 174

Foundation Topics 175

Configuration of Features in Common with Routers 175

    Securing the Switch CLI 175

        Securing Access with Simple Passwords 175

        Securing Access with Local Usernames and Passwords 178

        Securing Access with External Authentication Servers 179

        Configuring Secure Shell (SSH) 180

    Encrypting and Hiding Passwords 182

        Encrypting Passwords with the service password Command 182

        Hiding the Enable Password 184

        Hiding the Passwords for Local Usernames 185

    Console and vty Settings 185

        Banners 185

        History Buffer Commands 187

        The logging synchronous and exec-timeout Commands 187

LAN Switch Configuration and Operation 188

    Enabling IP for Remote Access 188

        Configuring IPv4 on a Switch 190

        Verifying IPv4 on a Switch 191

    Configuring Switch Interfaces 192

    Port Security 193

        Configuring Port Security 195

        Verifying Port Security 197

        Port Security Actions 198

    Securing Unused Switch Interfaces 198

Review Activities 199

Chapter 9 Implementing Ethernet Virtual LANs 208

Foundation Topics 209

Virtual LAN Concepts 209

    Creating Multiswitch VLANs Using Trunking 210

        VLAN Tagging Concepts 211

        The 802.1Q and ISL VLAN Trunking Protocols 212

    Forwarding Data Between VLANs 213

        Routing Packets Between VLANs with a Router 213

        Routing Packets with a Layer 3 Switch 215

VLAN and VLAN Trunking Configuration and Verification 216

    Creating VLANs and Assigning Access VLANs to an Interface 216

        VLAN Configuration Example 1: Full VLAN Configuration 217

        VLAN Configuration Example 2: Shorter VLAN Configuration 219

    VLAN Trunking Protocol (VTP) 220

    VLAN Trunking Configuration 221

    Controlling Which VLANs Can Be Supported on a Trunk 225

Review Activities 228

Chapter 10 Troubleshooting Ethernet LANs 234

Foundation Topics 236

Perspectives on Network Verification and Troubleshooting 236

    Preparing to Use an Organized Troubleshooting Process 236

    Troubleshooting as Covered in This Book 238

Analyzing LAN Topology Using Cisco Discovery Protocol 239

    Examining Information Learned by CDP 239

    Examining the Status of the CDP Protocols 242

Analyzing Switch Interface Status 242

    Interface Status Codes and Reasons for Nonworking States 243

    Interface Speed and Duplex Issues 244

    Common Layer 1 Problems on Working Interfaces 247

Predicting Where Switches Will Forward Frames 248

    Predicting the Contents of the MAC Address Table 248

    Analyzing the Forwarding Path 250

    Port Security and Filtering 251

Analyzing VLANs and VLAN Trunks 252

    Ensuring That the Right Access Interfaces Are in the Right VLANs 252

    Access VLANs Not Being Defined 253

    Access VLANs Being Disabled 253

    Check the Allowed VLAN List on Both Ends of a Trunk 254

    Mismatched Trunking Operational States 255

Review Activities 257

Part II Review 264

Part III IP Version 4 Addressing and Subnetting 268

Chapter 11 Perspectives on IPv4 Subnetting 270

Foundation Topics 271

Introduction to Subnetting 271

    Subnetting Defined Through a Simple Example 271

    Operational View Versus Design View of Subnetting 272

Analyze Subnetting and Addressing Needs 273

    Rules About Which Hosts Are in Which Subnet 273

    Determining the Number of Subnets 274

    Determining the Number of Hosts per Subnet 275

    One Size Subnet Fits All–Or Not 276

        Defining the Size of a Subnet 276

        One Size Subnet Fits All 277

        Multiple Subnet Sizes (Variable-Length Subnet Masks) 278

        This Book: One Size Subnet Fits All (Mostly) 278

Make Design Choices 278

    Choose a Classful Network 279

        Public IP Networks 279

        Growth Exhausts the Public IP Address Space 280

        Private IP Networks 281

        Choosing an IP Network During the Design Phase 281

    Choose the Mask 282

        Classful IP Networks Before Subnetting 282

        Borrowing Host Bits to Create Subnet Bits 283

        Choosing Enough Subnet and Host Bits 283

        Example Design: 172.16.0.0, 200 Subnets, 200 Hosts 284

        Masks and Mask Formats 285

    Build a List of All Subnets 286

Plan the Implementation 287

    Assigning Subnets to Different Locations 287

    Choose Static and Dynamic Ranges per Subnet 288

Review Activities 290

Chapter 12 Analyzing Classful IPv4 Networks 294

Foundation Topics 295

Classful Network Concepts 295

    IPv4 Network Classes and Related Facts 295

        Actual Class A, B, and C Networks 296

        Address Formats 296

        Default Masks 297

    Number of Hosts per Network 298

    Deriving the Network ID and Related Numbers 298

    Unusual Network IDs and Network Broadcast Addresses 300

Practice with Classful Networks 300

    Practice Deriving Key Facts Based on an IP Address 301

    Practice Remembering the Details of Address Classes 301

    Additional Practice 302

Review Activities 303

Chapter 13 Analyzing Subnet Masks 308

Foundation Topics 309

Subnet Mask Conversion 309

    Three Mask Formats 309

    Converting Between Binary and Prefix Masks 310

    Converting Between Binary and DDN Masks 310

    Converting Between Prefix and DDN Masks 312

    Practice Converting Subnet Masks 313

Identifying Subnet Design Choices Using Masks 314

    Masks Divide the Subnet’s Addresses into Two Parts 314

    Masks and Class Divide Addresses into Three Parts 315

    Classless and Classful Addressing 316

    Calculations Based on the IPv4 Address Format 316

    Practice Analyzing Subnet Masks 318

Review Activities 320

Chapter 14 Analyzing Existing Subnets 326

Foundation Topics 327

Defining a Subnet 327

    An Example with Network 172.16.0.0 and Four Subnets 327

    Subnet ID Concepts 328

    Subnet Broadcast Address 329

    Range of Usable Addresses 330

Analyzing Existing Subnets: Binary 330

    Finding the Subnet ID: Binary 330

    Finding the Subnet Broadcast Address: Binary 332

    Binary Practice Problems 333

    Shortcut for the Binary Process 334

    Brief Note About Boolean Math 335

    Finding the Range of Addresses 336

Analyzing Existing Subnets: Decimal 336

    Analysis with Easy Masks 336

    Predictability in the Interesting Octet 337

    Finding the Subnet ID: Difficult Masks 338

        Resident Subnet Example 1 338

        Resident Subnet Example 2 339

        Resident Subnet Practice Problems 340

    Finding the Subnet Broadcast Address: Difficult Masks 340

        Subnet Broadcast Example 1 340

        Subnet Broadcast Example 2 341

        Subnet Broadcast Address Practice Problems 341

Practice Analyzing Existing Subnets 342

    A Choice: Memorize or Calculate 342

    Additional Practice 342

Review Activities 343

Part III Review 348

Part IV Implementing IP Version 4 352

Chapter 15 Operating Cisco Routers 354

Foundation Topics 355

Installing Cisco Routers 355

    Installing Enterprise Routers 355

        Cisco Integrated Services Routers 356

        Physical Installation 357

    Installing Internet Access Routers 357

        A SOHO Installation with a Separate Switch, Router, and Cable Modem 358

        A SOHO Installation with an Integrated Switch, Router, and DSL Modem 359

Enabling IPv4 Support on Cisco Routers 359

    Comparisons Between the Switch CLI and Router CLI 359

    Router Interfaces 360

        Interface Status Codes 362

        Router Interface IP Addresses 363

        Bandwidth and Clock Rate on Serial Interfaces 365

    Router Auxiliary (Aux) Port 366

    Operational Status with the show version Command 366

Review Activities 368

Chapter 16 Configuring IPv4 Addresses and Routes 374

Foundation Topics 376

IP Routing 376

    IPv4 Routing Process Reference 376

    An Example of IP Routing 378

        Host Forwards the IP Packet to the Default Router (Gateway) 379

        Routing Step 1: Decide Whether to Process the Incoming Frame 380

        Routing Step 2: Deencapsulation of the IP Packet 380

        Routing Step 3: Choosing Where to Forward the Packet 381

        Routing Step 4: Encapsulating the Packet in a New Frame 381

        Routing Step 5: Transmitting the Frame 382

    Internal Processing on Cisco Routers 382

        Potential Routing Performance Issues 383

        Cisco Router Fast Switching and CEF 383

Configuring Connected Routes 384

    Connected Routes and the ip address Command 384

    Routing Between Subnets on VLANs 386

        Configuring Routing to VLANs using 802.1Q on Routers 387

        Configuring Routing to VLANs Using a Layer 3 Switch 390

    Secondary IP Addressing 392

    Supporting Connected Routes to Subnet Zero 393

Configuring Static Routes 394

    Static Route Configuration 394

    Static Default Routes 396

Review Activities 399

Chapter 17 Learning IPv4 Routes with OSPFv2 404

Foundation Topics 405

Comparing Dynamic Routing Protocol Features 405

    Routing Protocol Functions 405

    Interior and Exterior Routing Protocols 406

    Comparing IGPs 407

        IGP Routing Protocol Algorithms 407

        Metrics 408

        Other IGP Comparisons 409

    Administrative Distance 410

Understanding the OSPF Link-State Routing Protocol 411

    Building the LSDB and Creating IP Routes 411

        Topology Information and LSAs 412

        Applying Dijkstra SPF Math to Find the Best Routes 413

    Using OSPF Neighbor Relationships 413

        The Basics of OSPF Neighbors 413

        Meeting Neighbors and Learning Their Router ID 414

    Scaling OSPF Through Hierarchical Design 415

OSPF Configuration 417

    OSPF Single-Area Configuration 417

        Matching with the OSPF network Command 419

        Verifying OSPF 420

    Configuring the OSPF Router ID 423

    Miscellaneous OSPF Configuration Settings 424

        OSPF Passive Interfaces 424

        OSPF Default Routes 426

Review Activities 428

Chapter 18 Configuring and Verifying Host Connectivity 434

Foundation Topics 435

Configuring Routers to Support DHCP 435

    DHCP Protocol Messages and Addresses 435

    Supporting DHCP for Remote Subnets with DHCP Relay 437

    Information Stored at the DHCP Server 438

    DHCP Server Configuration and Verification on Routers 439

        IOS DHCP Server Configuration 439

        IOS DHCP Server Verification 441

        Detecting Conflicts with Offered Versus Used Addresses 442

Verifying Host IPv4 Settings 442

    IP Address and Mask Configuration 443

    Name Resolution with DNS 444

    Default Routers 445

Testing Connectivity with ping, traceroute, and telnet 447

    The ping Command 447

        Testing IP Routes with ping on a Router 448

        Controlling the Source IP Address with Extended ping 449

    The traceroute Command 451

        How the traceroute Command Works 452

        traceroute and Similar Commands 454

    Telnet and Suspend 455

Review Activities 458

Part IV Review 464

Part V Advanced IPv4 Addressing Concepts 468

Chapter 19 Subnet Design 470

Foundation Topics 471

Choosing the Mask(s) to Meet Requirements 471

    Review: Choosing the Minimum Number of Subnet and Host Bits 471

    No Masks Meet Requirements 472

    One Mask Meets Requirements 473

    Multiple Masks Meet Requirements 473

        Finding All the Masks: Concepts 473

        Finding All the Masks: Math 475

        Choosing the Best Mask 475

    The Formal Process 475

    Practice Choosing Subnet Masks 476

        Practice Problems for Choosing a Subnet Mask 476

        Additional Practice for Choosing the Subnet Mask 477

Finding All Subnet IDs 477

    First Subnet ID: The Zero Subnet 477

    Finding the Pattern Using the Magic Number 478

    A Formal Process with Less Than 8 Subnet Bits 479

        Example 1: Network 172.16.0.0, Mask 255.255.240.0 480

        Example 2: Network 192.168.1.0, Mask 255.255.255.224 481

    Finding All Subnets with Exactly 8 Subnet Bits 482

    Finding All Subnets with More Than 8 Subnet Bits 483

        Process with 9—16 Subnet Bits 483

        Process with 17 or More Subnet Bits 484

    Practice Finding All Subnet IDs 485

        Practice Problems for Finding All Subnet IDs 486

        Additional Practice for Finding All Subnet IDs 486

Review Activities 487

Chapter 20 Variable-Length Subnet Masks 494

Foundation Topics 495

VLSM Concepts and Configuration 495

    Classless and Classful Routing Protocols 495

    VLSM Configuration and Verification 496

Finding VLSM Overlaps 497

    An Example of Finding a VLSM Overlap 498

    Practice Finding VLSM Overlaps 499

Adding a New Subnet to an Existing VLSM Design 500

    An Example of Adding a New VLSM Subnet 500

    Practice Adding New VLSM Subnets 502

Review Activities 503

Chapter 21 Route Summarization 508

Foundation Topics 509

Manual Route Summarization Concepts 509

    Route Summarization Basics 509

    Route Summarization and the IPv4 Subnetting Plan 510

    Verifying Manually Summarized Routes 511

Choosing the Best Summary Routes 512

    The Process to Find the Best Summary Route 512

    Sample “Best” Summary on Router R3 513

    Sample “Best” Summary on Router R2 514

    Practice Choosing the Best Summary Routes 515

Review Activities 516

Part V Review 522

Part VI IPv4 Services 526

Chapter 22 Basic IPv4 Access Control Lists 528

Foundation Topics 529

IPv4 Access Control List Basics 529

    ACL Location and Direction 529

    Matching Packets 530

    Taking Action When a Match Occurs 530

    Types of IP ACLs 531

Standard Numbered IPv4 ACLs 531

    List Logic with IP ACLs 532

    Matching Logic and Command Syntax 533

        Matching the Exact IP Address 533

        Matching a Subset of the Address with Wildcards 533

        Binary Wildcard Masks 535

        Finding the Right Wildcard Mask to Match a Subnet 535

        Matching Any/All Addresses 536

    Implementing Standard IP ACLs 536

        Standard Numbered ACL Example 1 537

        Standard Numbered ACL Example 2 538

    Troubleshooting and Verification Tips 540

Practice Applying Standard IP ACLs 541

    Practice Building access-list Commands 541

    Reverse Engineering from ACL to Address Range 542

Review Activities 544

Chapter 23 Advanced IPv4 ACLs and Device Security 550

Foundation Topics 552

Extended Numbered IP Access Control Lists 552

    Matching the Protocol, Source IP, and Destination IP 552

    Matching TCP and UDP Port Numbers 553

    Extended IP ACL Configuration 556

        Extended IP Access Lists: Example 1 557

        Extended IP Access Lists: Example 2 558

    Practice Building access-list Commands 559

Named ACLs and ACL Editing 560

    Named IP Access Lists 560

    Editing ACLs Using Sequence Numbers 562

    Numbered ACL Configuration Versus Named ACL Configuration 563

Router and Switch Security 564

    Review: Password Protections for the CLI 565

    Disable Services 565

    Controlling Telnet and SSH Access with ACLs 567

    ACL Implementation Considerations 567

    Network Time Protocol 568

Review Activities 571

Chapter 24 Network Address Translation 578

Foundation Topics 579

Perspectives on IPv4 Address Scalability 579

    CIDR 579

        Route Aggregation for Shorter Routing Tables 580

        IPv4 Address Conservation 580

    Private Addressing 581

Network Address Translation Concepts 581

    Static NAT 582

    Dynamic NAT 584

    Overloading NAT with Port Address Translation (PAT) 585

    NAT Overload (PAT) on Consumer Routers 587

NAT Configuration and Troubleshooting 588

    Static NAT Configuration 588

    Dynamic NAT Configuration 590

    Dynamic NAT Verification 592

    NAT Overload (PAT) Configuration 594

    NAT Troubleshooting 596

Review Activities 598

Part VI Review 604

Part VII: IP Version 6 608

Chapter 25 Fundamentals of IP Version 6 610

Foundation Topics 611

Introduction to IPv6 611

    The Historical Reasons for IPv6 611

    The IPv6 Protocols 612

    IPv6 Routing 614

    IPv6 Routing Protocols 615

IPv6 Addressing Formats and Conventions 616

    Representing Full (Unabbreviated) IPv6 Addresses 617

    Abbreviating and Expanding IPv6 Addresses 617

        Abbreviating IPv6 Addresses 617

        Expanding Abbreviated IPv6 Addresses 618

    Representing the Prefix Length of an Address 619

    Calculating the IPv6 Prefix (Subnet ID) 619

        Finding the IPv6 Prefix 620

        Working with More Difficult IPv6 Prefix Lengths 621

Review Activities 623

Chapter 26 IPv6 Addressing and Subnetting 628

Foundation Topics 629

Global Unicast Addressing Concepts 629

    A Brief Review of Public and Private IPv4 Addresses 629

        Review of Public IPv4 Addressing Concepts 629

        Review of Private IPv4 Addressing Concepts 631

        Public and Private IPv6 Addresses 631

    The IPv6 Global Routing Prefix 632

    Address Ranges for Global Unicast Addresses 633

    IPv6 Subnetting Using Global Unicast Addresses 634

        Deciding Where IPv6 Subnets Are Needed 634

        The Mechanics of Subnetting IPv6 Global Unicast Addresses 635

        Listing the IPv6 Subnet Identifier 637

        List All IPv6 Subnets 637

        Assign Subnets to the Internetwork Topology 638

    Assigning Addresses to Hosts in a Subnet 638

Unique Local Unicast Addresses 639

    Subnetting with Unique Local IPv6 Addresses 640

    The Need for Globally Unique Local Addresses 640

Review Activities 642

Chapter 27 Implementing IPv6 Addressing on Routers 646

Foundation Topics 647

Implementing Unicast IPv6 Addresses on Routers 647

    Static Unicast Address Configuration 648

        Configuring the Full 128-Bit Address 648

        Enabling IPv6 Routing 649

        Verifying the IPv6 Address Configuration 649

        Generating a Unique Interface ID Using EUI-64 651

    Dynamic Unicast Address Configuration 654

Special Addresses Used by Routers 654

    Link-Local Addresses 655

        Link-Local Address Concepts 655

        Creating Link-Local Addresses on Routers 656

    IPv6 Multicast Addresses 657

        Broadcasts Versus Multicasts 657

        Common Local Scope Multicast Addresses 658

        Solicited-Node Multicast Addresses 658

    Miscellaneous IPv6 Addresses 660

Review Activities 661

Chapter 28 Implementing IPv6 Addressing on Hosts 666

Foundation Topics 668

The Neighbor Discovery Protocol 668

    Discovering Routers with NDP RS and RA 669

    Discovering Addressing Info for SLAAC with NDP RS and RA 669

    Discovering Neighbor Link Addresses with NDP NS and NA 670

    Discovering Duplicate Addresses Using NDP NS and NA 671

    NDP Summary 672

Dynamic Configuration of Host IPv6 Settings 673

    Dynamic Configuration Using Stateful DHCP and NDP 673

        Differences Between DHCPv6 and DHCPv4 674

        DHCPv6 Relay Agents 674

    Using Stateless Address Autoconfiguration 676

        Building an IPv6 Address Using SLAAC 676

        Combining SLAAC with NDP and Stateless DHCP 677

Verification of Host IPv6 Connectivity 678

    Verifying Host IPv6 Connectivity from Hosts 678

    Verifying Host Connectivity from Nearby Routers 680

Review Activities 683

Chapter 29 Implementing IPv6 Routing 688

Foundation Topics 689

Connected and Local IPv6 Routes 689

    Rules for Connected and Local Routes 689

    Example of Connected IPv6 Routes 690

    Examples of Local IPv6 Routes 691

Static IPv6 Routes 692

    Static Routes Using the Outgoing Interface 692

    Static Routes Using Next-Hop IPv6 Address 693

        Example Static Route with a Global Unicast Next-Hop Address 694

        Example Static Route with a Link-Local Next-Hop Address 695

    Static Default Routes 696

Dynamic Routes with OSPFv3 697

    Comparing OSPF for IPv4 and IPv6 697

        OSPF Routing Protocol Versions and Protocols 697

        Comparing OSPFv2 and OSPFv3 698

    Configuring Single-Area OSPFv3 700

        OSPFv3 Single-Area Configuration Example 701

        OSPFv3 Passive Interfaces 703

    Verifying OSPFv3 Status and Routes 703

        Verifying OSPFv3 Configuration Settings 704

        Verifying OSPFv3 Neighbors 706

        Examining the OSPFv3 Database 707

        Examining IPv6 Routes Learned by OSPFv3 707

Review Activities 709

Part VII Review 714

Part VIII: Final Review 718

Chapter 30 Final Review 720

Advice About the Exam Event 720

    Learn the Question Types Using the Cisco Certification Exam Tutorial 720

    Think About Your Time Budget Versus Numbers of Questions 721

    A Suggested Time-Check Method 722

    Miscellaneous Pre-Exam Suggestions 722

    Exam-Day Advice 722

Exam Review 723

    Practice Subnetting and Other Math-Related Skills 723

    Take Practice Exams 725

        Practicing Taking the ICND1 Exam 726

        Practicing Taking the CCNA Exam 726

        Advice on How to Answer Exam Questions 728

    Find Knowledge Gaps Through Question Review 729

    Practice Hands-On CLI Skills 731

        Review Mind Maps from Part Review 731

        Do Labs 731

    Other Study Tasks 732

    Final Thoughts 732

Part IX Appendixes 734

Appendix A Numeric Reference Tables 736

Appendix B ICND1 Exam Updates 744

Glossary 746

DVD-only Appendixes

Appendix C: Answers to Review Questions

Appendix D: Practice for Chapter 12: Analyzing Classful IPv4 Networks

Appendix E: Practice for Chapter 13: Analyzing Subnet Masks

Appendix F: Practice for Chapter 14: Analyzing Existing Subnets

Appendix G: Practice for Chapter 19: Subnet Design

Appendix H: Practice for Chapter 20: Variable-Length Subnet Masks

Appendix I: Practice for Chapter 21: Route Summarization

Appendix J: Practice for Chapter 22: Basic IPv4 Access Control Lists

Appendix K: Practice for Chapter 25: Fundamentals of IP Version 6

Appendix L: Practice for Chapter 27: Implementing IPv6 Addressing on Routers

Appendix M: Memory Tables

Appendix N: Memory Tables Answer Key

Appendix O: Mind Map Solutions

Appendix P: Study Planner

9781587144851    TOC    5/23/2013

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