Produktbild: Understanding and Troubleshooting Cisco Catalyst 9800 Series Wireless Controllers

Understanding and Troubleshooting Cisco Catalyst 9800 Series Wireless Controllers

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Beschreibung

Produktdetails

Einband

Taschenbuch

Erscheinungsdatum

09.08.2022

Verlag

Pearson Academic

Seitenzahl

656

Maße (L/B/H)

18,9/23,2/3,4 cm

Gewicht

1084 g

Auflage

1. Auflage

Sprache

Englisch

ISBN

978-0-13-749232-9

Beschreibung

Produktdetails

Einband

Taschenbuch

Erscheinungsdatum

09.08.2022

Verlag

Pearson Academic

Seitenzahl

656

Maße (L/B/H)

18,9/23,2/3,4 cm

Gewicht

1084 g

Auflage

1. Auflage

Sprache

Englisch

ISBN

978-0-13-749232-9

Herstelleradresse

Libri GmbH
Europaallee 1
36244 Bad Hersfeld
DE

Email: gpsr@libri.de

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  • Produktbild: Understanding and Troubleshooting Cisco Catalyst 9800 Series Wireless Controllers
  • Introduction xxvii

    Chapter 1 Cisco C9800 Series 1

    Why Cisco C9800? 2

    The Role of the Wireless Controller in a Cloud Era 7

    Managing the Cisco C9800 10

    Cisco Next-Generation Wireless Stack 22

    Summary 23

    References 23

    Chapter 2 Hardware and Software Architecture of the C9800 25

    General CAPWAP Split MAC Architecture 25

    The Controller Control Plane Architecture Elasticity 27

    Wireless Client State Machine 31

    One Dataplane to Rule Them All (or Three at the Maximum) 35

    Hardware Overview 38

    Summary 42

    Chapter 3 C9800 Configuration Model 43

    C9800 New Configuration Model 43

    Cisco C9800 Series Profile and Tag Considerations 48

    Summary 64

    References 64

    Chapter 4 C9800 Deployment and Installation 65

    C9800 Deployment Models 65

    Setting Up Your First Catalyst Wireless Network 79

    Summary 87

    References 87

    Chapter 5 Security 89

    Network Security Fundamentals 89

    Wireless Security Fundamentals 116

    Securing the Air 128

    Securing Your Access Points 148

    Securing Your Wireless Controller 151

    Encrypted Traffic Analytics 154

    Cisco Umbrella 155

    Cisco Secure Development Lifecycle (CSDL) 157

    Summary 157

    References 157

    Chapter 6 Mobility and Client Roaming 159

    802.11 Roaming 160

    Types of Client Roaming 181

    C9800 to AireOS Inter-Release Controller Mobility (IRCM) 191

    Summary 192

    References 193

    Chapter 7 RF Deployment and Guidelines 195

    Radio Resources Management (RRM) Concepts and Components 195

    Challenging RF Environments 199

    Radio Resources Management (RRM) 203

    DCA 211

    RF Profiles 215

    Spectrum Intelligence and CleanAir 219

    Advanced RF Features 224

    Airtime Fairness (ATF) 228

    Dynamic Frequency Selection (DFS) 232

    Flexible Radio Assignment (FRA) 235

    Wireless Intrusion Prevention System (WIPS) and Rogue Detection 238

    Summary 246

    References 246

    Chapter 8 Multicast and Multicast Domain Name System (mDNS) 247

    Wireless Multicast 250

    Media Stream Feature 263

    mDNS 272

    Summary 283

    References 283

    Chapter 9 Quality of Service (QoS) 285

    Wi-Fi Quality of Service (QoS) 286

    Wi-Fi (802.11) QoS Fundamentals 287

    Implementing Wireless QoS on the C9800 300

    Designing and Deploying Catalyst C9800 QoS 304

    Best Practices 320

    Summary 322

    References 322

    Chapter 10 C9800 High Availability 323

    SSO Redundancy 324

    HA Teardown 349

    SSO Deployment: Impact on Features 350

    N+1 Redundancy 352

    N+1 vs. SSO High Availability 357

    HA in EWC-AP Deployment 358

    HA in EWC-SW Deployment 359

    Summary 359

    References 360

    Chapter 11 Cisco DNA Spaces Integration and IoT 361

    Value-Added Wireless Services 361

    Connected Mobile Experiences (CMX) 372

    Cisco DNA Spaces 372

    Specific Service Examples 379

    Summary 392

    References 392

    Chapter 12 Network Programmability 393

    What Is Network Programmability? 393

    Why Is Network Programmability Needed? 393

    Is Network Programmability a New Concept? 396

    Orchestration of the Entire Network 396

    Configuration Repeatability 396

    Idempotency 397

    Imperative vs. Declarative Models 397

    Infrastructure as Code (IaC) 400

    Network Programmability in the C9800 401

    Data Models 402

    YANG Data Models 403

    Encoding Formats 406

    Protocols 408

    Tools to Examine YANG Models 412

    How to Examine Data Using NETCONF and YANG Suite 419

    How to Examine Data Using RESTCONF and POSTMAN 421

    Python and Network Programmability 429

    Summary 436

    References 436

    Chapter 13 Model-Driven Telemetry 437

    What Is Model-Driven Telemetry? 437

    How to Enable Model-Driven Telemetry 438

    Operational Data and KPIs 441

    Polling vs. Subscribing 447

    Telemetry Streams 448

    How to Identify Subtrees in YANG Models 449

    Dial-out vs. Dial-in 450

    Tools 460

    Summary 467

    References 467

    Chapter 14 Cisco DNA Center/Assurance Integration 469

    Introduction 469

    Managing the C9800 with Cisco DNA Center 472

    Summary 492

    References 492

    Chapter 15 Backing Up, Restoring, and Upgrading Your C9800 493

    Saving and Restoring the Configuration for Disaster Recovery 493

    Running IOS-XE in Install or Bundle Mode 500

    Upgrading (and Downgrading) the Controller Safely 501

    Summary 506

    References 506

    Chapter 16 Troubleshooting 507

    Control Plane Tracing 509

    Embedded Packet Capture (EPC) 525

    Packet Tracer 531

    Troubleshooting Dashboard 536

    Other On-the-Box Tools on the C9800 GUI 540

    Offline Tools for the C9800 545

    Health and KPI Monitoring 548

    Summary 577

    References 578

    Appendix A Setting Up a Development Environment 579

    9780137492329, TOC, 5/27/2022