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

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

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

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

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 included on the DVD to help students organize their study time.

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About Wendell Odom

Wendell Odom, CCIE No. 1624, has been in the networking industry since 1981. He has worked as a network engineer, consultant, systems engineer, instructor, and course developer; he currently works writing and creating certification tools. He is author of all the previous books in the Cisco Press CCNA Official Certification Guide series, as well as the CCNP ROUTE 642-902 Official Certification Guide, the QoS 642-642 Exam Certification Guide, coauthor of the CCIE Routing and Switch Official Certification Guide, and several other titles. He is also a consultant for the CCNA 640-802 Network Simulator from Pearson and for a forthcoming replacement version of that product. He maintains study tools, links to his blogs, and other resources at

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:, 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 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, Mask 480

Example 2: Network, Mask 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

Additional information

CCENT/CCNA ICND1 100-101 Official Cert Guide, Academic Edition by Wendell Odom
Wendell Odom
Used - Very Good
Pearson Education (US)
Book picture is for illustrative purposes only, actual binding, cover or edition may vary.
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