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Cisco Software-Defined Wide Area Networks: Designing, Deploying and Securing Your Next Generation WAN with Cisco SD-WAN

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Features

  • Straight from Cisco’s own architects: the SD-WAN experts who train Cisco and partner engineers
  • Explains Cisco SD-WAN’s value, components, inner workings, practical configuration, and support
  • Includes use cases and case studies demonstrating Cisco SD-WAN at work in cloud and premises environments
  • Covers all CCNP Enterprise SD-WAN (ENSDWI 300-415) exam objectives, and organized to promote efficient exam prep
  • Includes access code for two full CCNP Enterprise ENSDWI 300-415 practice tests

  • Copyright 2021
  • Dimensions: 7-3/8" x 9-1/8"
  • Pages: 608
  • Edition: 1st
  • Book
  • ISBN-10: 0-13-653317-5
  • ISBN-13: 978-0-13-653317-7

Cisco Software-Defined Wide-Area Networks from Cisco Press will help you learn, prepare, and practice for exam success. This study guide is built with the objective of providing assessment, review, and practice to help ensure you are prepared for your certification exam.

Cisco Software-Defined Wide-Area Networks presents you with an organized test preparation routine using proven series elements and techniques. Key Topic tables help you drill on key concepts you must know thoroughly. Chapter-ending Review Questions help you to review what you learned in the chapter.

  • Master Implementing Cisco SD-WAN Solutions (ENSDWI 300-415) exam topics
  • Assess your knowledge with chapter-ending review questions
  • Review key terms
  • Practice with realistic exam questions in the practice test software

Cisco Software-Defined Wide-Area Networks enables you to succeed on the exam the first time and is the only self-study resource approved by Cisco. Four leading Cisco technology experts share preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills.

This study package includes

  • A test-preparation routine proven to help you pass the exams
  • Chapter-ending Key Topic tables, which help you drill on key concepts you must know thoroughly
  • Chapter-ending Review Questions, to review what you learned in the chapter
  • The powerful Pearson Test Prep Practice Test software, with two full exams comprised of well-reviewed, exam-realistic questions, customization options, and detailed performance reports
  • An online, interactive Flash Cards application to help you drill on Key Terms by chapter

Well regarded for its level of detail, study plans, assessment features, and review questions, this study guide helps you master the concepts and techniques that ensure your exam success.

This study guide helps you master the topics on the Implementing Cisco SD-WAN Solutions (ENSDWI 300-415) exam, including

  • Architecture
  • Controller Deployment
  • Router Deployment
  • Policies
  • Security and Quality of Service
  • Management and Operations

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Pearson Test Prep offline system requirements:

Windows 10, Windows 8.1; Microsoft .NET Framework 4.5 Client; Pentium-class 1 GHz processor (or equivalent); 512 MB RAM; 650 MB disk space plus 50 MB for each downloaded practice exam; access to the Internet to register and download exam databases

Also available from Cisco Press for Cisco Certified DevNet Associate study is the Cisco Software-Defined Wide-Area Networks Premium Edition eBook and Practic Test. This digital-only certification preparation product combines an eBook with enhanced Pearson Test Prep Practice Test.

This integrated learning package:

  • Allows you to focus on individual topic areas or take complete, timed exams
  • Includes direct links from each question to detailed tutorials to help you understand the concepts behind the questions
  • Provides unique sets of exam-realistic practice questions
  • Tracks your performance and provides 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

Cisco Software-Defined Wide-Area Networks, Premium Edition eBook and Practice Test

The exciting new Cisco Software-Defined Wide-Area Networks, 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:


  • The Cisco Software-Defined Wide-Area Networks Premium Edition Practice Test, including four full practice exams and enhanced practice test features
  • PDF and EPUB formats of Cisco Software-Defined Wide-Area Networks from Cisco Press, which are accessible via your PC, tablet, and Smartphone
  • More than an hour of personal video mentoring


About the Premium Edition Practice Test

This Premium Edition contains an enhanced version of the Pearson IT Certification Practice Test (PCPT) software with four full practice exams. In addition, it contains all the chapter-ending review questions from the book. This integrated learning package:

  • Allows you to focus on individual topic areas or take complete, timed exams
  • Includes direct links from each question to detailed tutorials to help you understand the concepts behind the questions
  • Provides unique sets of exam-realistic practice questions
  • Tracks your performance and provides 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


Pearson Test Prep online system requirements:

Browsers: Chrome version 73 and above; Safari version 12 and above; Microsoft Edge 44 and above.

Devices: Desktop and laptop computers, tablets running on Android v8.0 and iOS v13, smartphones with a minimum screen size of 4.7". Internet access required.

Pearson Test Prep offline system requirements:

Windows 10, Windows 8.1; Microsoft .NET Framework 4.5 Client; Pentium-class 1 GHz processor (or equivalent); 512 MB RAM; 650 MB disk space plus 50 MB for each downloaded practice exam; access to the Internet to register and download exam databases

About the Premium Edition eBook

Learn, prepare, and practice for Cisco Certified DevNet Associate DEVASC 200-901 exam success with this Cert Guide from Cisco Press, a leader in IT certification learning. 

  • Master Implementing Cisco SD-WAN Solutions (ENSDWI 300-415) exam topics
  • Assess your knowledge with chapter-ending review questions
  • Review key terms 
  • Practice with realistic exam questions in the practice test software
  • Learn from more than an hour of video mentoring


Cisco Software-Defined Wide-Area Networks Premium Edition focuses specifically on the objectives for the Cisco SD-WAN Solutions (ENSDWI 300-415) exam. Four leading Cisco technology experts share preparation hints and test-taking tips, helping you improve both your conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.

Cisco Software-Defined Wide-Area Networks Premium Edition presents you with an organized test preparation routine using proven series elements and techniques. Key Topic tables help you drill on key concepts you must know thoroughly. Chapter-ending Review Questions help you to review what you learned in the chapter.

The Premium Edition eBook contains access to more than an hour of personal video mentoring from the Pearson IT Certification Complete Video Course.  Go to the back pages of your eBook for instructions on how to access the personal video mentoring content. 

Well regarded for its level of detail, study plans, assessment features, and review questions, this study guide helps you master the concepts and techniques that ensure your exam success.

This official study guide helps you master all the topics on the Cisco SD-WAN Solutions (ENSDWI 300-415) exam, including
  • Architecture
  • Controller Deployment
  • Router Deployment
  • Policies
  • Security and Quality of Service
  • Management and Operations


Online Sample Chapter

Introduction to Cisco Software-Defined Wide Area Networking (SD-WAN)

Sample Pages

Download the sample pages (includes Chapter 1)

Table of Contents

Introduction xix

Chapter 1 Introduction to Cisco Software-Defined Wide Area Networking (SD-WAN) 1

Networks of Today 1

Common Business and IT Trends 4

Common Desired Benefits 5

High-Level Design Considerations 7

Introduction to Cisco Software-Defined WAN (SD-WAN) 9

Transport Independence 10

Rethinking the WAN 12

Use Cases Demanding Changes in the WAN 13

Bandwidth Aggregation and Application Load-Balancing 13

Protecting Critical Applications with SLAs 14

End-to-End Segmentation 15

Direct Internet Access 15

Fully Managed Network Solution 16

Building an ROI to Identify Cost Savings 17

Introduction to Multidomain 18

Cloud Trends and Adoption 19

Summary 21

Review All Key Topics 22

Key Terms 22

Chapter Review Questions 22

Chapter 2 Cisco SD-WAN Components 25

Data Plane 27

Management Plane 32

Control Plane 34

Orchestration Plane 36

Multi-Tenancy Options 38

Deployment Options 38

Summary 39

Review All Key Topics 39

Key Terms 40

Chapter Review Questions 40

References 42

Chapter 3 Control Plane and Data Plane Operations 43

Control Plane Operations 44

Overlay Management Protocol 47

OMP Routes 48

TLOC Routes 52

Service Routes 54

Path Selection 56

OMP Route Redistribution and Loop Prevention 58

Data Plane Operations 65

TLOC Colors 66

Tunnel Groups 70

Network Address Translation 73

Full Cone NAT 74

Symmetric NAT 75

Address Restricted Cone NAT 76

Port Restricted Cone NAT 77

Network Segmentation 81

Data Plane Encryption 83

Data Plane Encryption with Pairwise 86

Summary 88

Review All Key Topics 88

Key Terms 89

Chapter Review Questions 89

References 90

Chapter 4 Onboarding and Provisioning 91

Configuration Templates 93

Developing and Deploying Templates 97

Onboarding Devices 101

Manual Bootstrapping of a WAN Edge 102

Automatic Provisioning with PNP or ZTP 103

Summary 105

Review All Key Topics 106

Chapter Review Questions 106

References 107

Chapter 5 Introduction to Cisco SD-WAN Policies 109

Purpose of Cisco SD-WAN Policies 109

Types of Cisco SD-WAN Policies 110

Centralized Policy 110

Centralized Policies That Affect the Control Plane 111

Centralized Policies That Affect the Data Plane 112

Localized Policy 112

Policy Domains 113

Cisco SD-WAN Policy Construction 115

Types of Lists 118

Policy Definition 119

Cisco SD-WAN Policy Administration, Activation, and Enforcement 122

Building a Centralized Policy 122

Activating a Centralized Policy 125

Packet Forwarding Order of Operations 127

Summary 128

Review All Key Topics 129

Define Key Terms 129

Chapter Review Questions 129

Chapter 6 Centralized Control Policies 133

Centralized Control Policy Overview 134

Use Case 1: Isolating Remote Branches from Each Other 136

Use Case 1 Review 149

Use Case 2: Enabling Branch-to-Branch Communication Through Data Centers 149

Enabling Branch-to-Branch Communication with Summarization 150

Enabling Branch-to-Branch Communication with TLOC Lists 152

Use Case 2 Review 168

Use Case 3: Traffic Engineering at Sites with Multiple Routers 169

Setting TLOC Preference with Centralized Policy 171

Setting TLOC Preference with Device Templates 177

Use Case 3 Review 179

Use Case 4: Preferring Regional Data Centers for Internet Access 180

Use Case 4 Review 188

Use Case 5: Regional Mesh Networks 188

Use Case 5 Review 195

Use Case 6: Enforcing Security Perimeters with Service Insertion 195

Use Case 6 Review 202

Use Case 7: Isolating Guest Users from the Corporate WAN 202

Use Case 7 Review 206

Use Case 8: Creating Different Network Topologies per Segment 206

Use Case 8 Review 210

Use Case 9: Creating Extranets and Access to Shared Services 211

Use Case 9 Review 222

Summary 223

Review All Key Topics 223

Define Key Terms 224

Chapter Review Questions 224

Reference 226

Chapter 7 Centralized Data Policies 227

Centralized Data Policy Overview 228

Centralized Data Policy Use Cases 228

Use Case 10: Direct Internet Access for Guest Users 230

Use Case 10 Review 242

Use Case 11: Direct Cloud Access for Trusted Applications 243

Use Case 11 Review 253

Use Case 12: Application-Based Traffic Engineering 253

Use Case 12 Review 260

Use Case 13: Protecting Corporate Users with a Cloud-Delivered Firewall 261

Use Case 13 Review 269

Use Case 14: Protecting Applications from Packet Loss 269

Forward Error Correction for Audio and Video 270

Packet Duplication for Credit Card Transactions 274

Use Case 14 Review 280

Summary 280

Review All Key Topics 281

Define Key Terms 282

Chapter Review Questions 282

References 284

Chapter 8 Application-Aware Routing Policies 285

The Business Imperative for Application-Aware Routing 286

The Mechanics of an App-Route Policy 286

Constructing an App-Route Policy 287

Monitoring Tunnel Performance 294

Liveliness Detection 295

Hello Interval 295

Multiplier 297

Path Quality Monitoring 298

App-Route Poll Interval 298

App-Route Multiplier 300

Mapping Traffic Flows to a Transport Tunnel 304

Packet Forwarding with Application-Aware Routing Policies 304

Traditional Lookup in the Routing Table 305

SLA Class Action 306

Summary 315

Review All Key Topics 316

Define Key Terms 316

Chapter Review Questions 316

Chapter 9 Localized Policies 319

Introduction to Localized Policies 319

Localized Control Policies 320

Localized Data Policies 334

Quality of Service Policies 338

Step 1: Assign Traffic to Forwarding Classes 339

Step 2: Map Forwarding Classes to Hardware Queues 341

Step 3: Configure the Scheduling Parameters for Each Queue 341

Step 4: Map All of the Schedulers Together into a Single QoS Map 342

Step 5: Configure the Interface with the QoS Map 343

Summary 346

Review All Key Topics 347

Chapter Review Questions 347

Chapter 10 Cisco SD-WAN Security 349

Cisco SD-WAN Security: Why and What 349

Application-Aware Enterprise Firewall 352

Intrusion Detection and Prevention 360

URL Filtering 367

Advanced Malware Protection and Threat Grid 372

DNS Web Layer Security 377

Cloud Security 381

vManage Authentication and Authorization 384

Local Authentication with Role-Based Access Control (RBAC) 384

Remote Authentication with Role-Based Access Control (RBAC) 387

Summary 389

Review All Key Topics 389

Define Key Terms 389

Chapter Review Questions 389

Chapter 11 Cisco SD-WAN Cloud onRamp 393

Cisco SD-WAN Cloud onRamp 393

Cloud onRamp for SaaS 394

Cloud onRamp for IaaS 412

Cloud onRamp for Colocation 429

Why Colocation? 432

How It Works 432

Service Chaining for a Single Service Node 434

Service Chaining for Multiple Service Nodes 436

Service Chaining and the Public Cloud 436

Infrastructure as a Service 438

Software as a Service 438

Redundancy and High Availability 440

Service Chain Design Best Practices 440

Configuration and Management 442

Cluster Creation 442

Image Repository 449

Service Chain Creation 449

Monitoring 454

Summary 455

Review All Key Topics 456

Define Key Terms 456

Chapter Review Questions 456

Chapter 12 Cisco SD-WAN Design and Migration 459

Cisco SD-WAN Design Methodology 459

Cisco SD-WAN Migration Preparation 460

Cisco SD-WAN Data Center Design 462

Transport-Side Connectivity 463

Loopback TLOC Design 465

Service-Side Connectivity 466

Cisco SD-WAN Branch Design 469

Complete CE Replacement—Single Cisco SD-WAN Edge 470

Complete CE Replacement—Dual Cisco SD-WAN Edge 471

Integration with Existing CE Router 475

Integration with a Branch Firewall 476

Integration with Voice Services 478

Cisco SD-WAN Overlay and Underlay Integration 480

Overlay Only 480

Overlay with Underlay Backup 481

Full Overlay and Underlay Integration 485

Summary 490

Review All Key Topics 490

Chapter Review Questions 490

Chapter 13 Provisioning Cisco SD-WAN Controllers in a Private Cloud 493

SD-WAN Controller Functionality Recap 493

Certificates 496

vManage Controller Deployment 501

Step 1: Deploy vManage Virtual Appliance on VMware ESXi or KVM 503

Step 2: Bootstrap and Configure vManage Controller 506

Step 3/4: Set Organization Name and vBond Address in vManage; Install Root CA Certificate 506

Step 5: Generate, Sign, and Install Certificate onto vManage Controller 511

vBond Controller Deployment 513

Step 1/2/3: Deploy vBond Virtual Machine on VMware ESXi; Bootstrap and Configure vBond Controller; Manually Install Root CA Certificate on vBond 514

Step 4/5: Add vBond Controller to vManage; Generate, Sign, and Install

Certificate onto vBond Controller 516

vSmart Controller Deployment 518

Step 1/2/3: Deploy vSmart Virtual Machine from Downloaded OVA; Bootstrap and Configure vSmart Controller; Manually Install Root CA Certificate on vSmart 519

Step 4/5: Add vSmart Controller to vManage; Generate, Sign, and Install Certificate onto vSmart Controller 520

Summary 523

Review All Key Topics 524

Define Key Terms 524

Chapter Review Questions 524

References 526

Appendix A: Answers to Chapter Review Questions 527

Appendix B: Example 7-17 539

Glossary of Key Terms 553

Index 557

Errata

We've made every effort to ensure the accuracy of this book and its companion content. Any errors that have been confirmed since this book was published can be downloaded below.

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Download replacement Figure 3-20 (790 KB .png)

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Last Update: November 17, 2020