CCNP Data Center Application Centric Infrastructure 300-620 DCACI Official Cert Guide Premium Edition and Practice Test

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CCNP Data Center Application Centric Infrastructure DCACI 300-620 Official Cert Guide, Premium Edition eBook and Practice Test

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The exciting new CCNP Data Center Application Centric Infrastructure DCACI 300-620 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:

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About the Premium Edition eBook
CCNP Data Center Application Centric Infrastructure DCACI 300-620 Official Cert Guide focuses specifically on the objectives for the CCNP DCACI exam. Leading Cisco data center technology expert Ammar Ahmadi shares preparation hints and test-taking tips, helping you identify areas of weakness and 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.

CCNP Data Center Application Centric Infrastructure DCACI 300-620 Official Cert Guide presents you with an organized test-preparation routine through the use of proven series elements and techniques. Do I Know This Already quizzes open each chapter and allow you to decide how much time you need to spend on each section. Exam topic lists make referencing easy. Chapter-ending Exam Preparation Tasks help you drill on key concepts you must know thoroughly.

Well regarded for its level of detail, assessment features, and challenging review questions and exercises, this official study guide helps you master the concepts and techniques that will enable you to succeed on the exam the first time.


This official study guide helps you master all the topics on the CCNP Data Center Application Centric Infrastructure DCACI 300-620 exam. It tests your knowledge of Cisco switches in ACI mode, including

ACI fabric infrastructure
ACI packet forwarding
External network connectivity
Integrations
ACI management
ACI Anywhere

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Table of Contents

Introduction xxv
Part I Introduction to Deployment
Chapter 1 The Big Picture: Why ACI? 2
Do I Know This Already? Quiz 2
Foundation Topics 4
Understanding the Shortcomings of Traditional Networks 4
    Network Management 4
    Scalability and Growth 5
    Network Agility 8
    Security 8
    Network Visibility 9
Recognizing the Benefits of Cisco ACI 9
    Network Management Touchpoints 9
    Traffic Flow Optimizations 10
    Scalability Optimizations 10
    Programmability 11
    Stateless Network 11
    Multitenancy 11
    Zero-Trust Security 14
    Cross-Platform Integrations 15
    New Architectural Possibilities 15
    Integrated Health Monitoring and Enhanced Visibility 16
    Policy Reuse 16
Exam Preparation Tasks 16
Review All Key Topics 16
Complete Tables and Lists from Memory 17
Define Key Terms 17
Chapter 2 Understanding ACI Hardware and Topologies 18
Do I Know This Already? Quiz 18
Foundation Topics 21
ACI Topologies and Components 21
    Clos Topology 21
    Standard ACI Topology 22
    ACI Stretched Fabric Topology 24
    ACI Multi-Pod Topology 25
    ACI Multi-Site Topology 26
    ACI Multi-Tier Architecture 28
    Remote Leaf Topology 30
APIC Clusters 32
    APIC Cluster Scalability and Sizing 33
Spine Hardware 36
    First-Generation Spine Switches 37
    Second-Generation Spine Switches 37
Leaf Hardware 38
    First-Generation Leaf Switches 38
    Second-Generation Leaf Switches 39
Exam Preparation Tasks 41
Review All Key Topics 41
Complete Tables and Lists from Memory 41
Define Key Terms 41
Chapter 3 Initializing an ACI Fabric 42
Do I Know This Already? Quiz 42
Foundation Topics 44
Understanding ACI Fabric Initialization 44
    Planning Fabric Initialization 45
    Understanding Cabling Requirements 45
    Connecting APICs to the Fabric 46
    Initial Configuration of APICs 47
    APIC OOB Configuration Requirements 47
    Out-of-Band Versus In-Band Management 48
    Configuration Information for Fabric Initialization 48
    Switch Discovery Process 49
    Fabric Discovery Stages 51
    Switch Discovery States 51
Initializing an ACI Fabric 52
    Changing the APIC BIOS Password 52
    Configuring the APIC Cisco IMC 52
    Initializing the First APIC 53
    Discovering and Activating Switches 55
    Understanding Graceful Insertion and Removal (GIR) 58
    Initializing Subsequent APICs 59
    Understanding Connectivity Following Switch Initialization 59
Basic Post-Initialization Tasks 63
    Assigning Static Out-of-Band Addresses to Switches and APICs 63
    Applying a Default Contract to Out-of-Band Subnet 64
    Upgrading an ACI Fabric 66
    Understanding Schedulers 73
    Enabling Automatic Upgrades of New Switches 74
    Understanding Backups and Restores in ACI 75
    Making On-Demand Backups in ACI 76
    Making Scheduled Backups in ACI 79
    Taking Configuration Snapshots in ACI 80
    Importing Configuration Backups from Remote Servers 80
    Executing Configuration Rollbacks 82
    Pod Policy Basics 83
    Configuring Network Time Protocol (NTP) Synchronization 84
    Configuring DNS Servers for Lookups 90
    Verifying COOP Group Configurations 92
Exam Preparation Tasks 93
Review All Key Topics 93
Complete Tables and Lists from Memory 94
Define Key Terms 94
Chapter 4 Exploring ACI 96
Do I Know This Already? Quiz 96
Foundation Topics 98
ACI Access Methods 98
    GUI 99
    CLI 100
    APIC CLI 100
    Switch CLI 102
    API 103
    Management Access Modifications 103
Understanding the ACI Object Model 105
    Learning ACI Through the Graphical User Interface 107
    Exploring the Object Hierarchy by Using Visore 108
    Why Understand Object Hierarchy Basics for DCACI? 110
    Policy in Context 110
Integrated Health Monitoring and Enhanced Visibility 110
    Understanding Faults 111
    The Life of a Fault 113
    Acknowledging Faults 115
    Faults in the Object Model 116
    Monitoring Policies in ACI 118
    Customizing Fault Management Policies 120
    Squelching Faults and Changing Fault Severity 121
    Understanding Health Scores 124
    Understanding Events 126
    Squelching Events 127
    Understanding Audit Logs 127
Exam Preparation Tasks 128
Review All Key Topics 128
Complete Tables and Lists from Memory 129
Define Key Terms 129
Part II ACI Fundamentals
Chapter 5 Tenant Building Blocks 130
Do I Know This Already? Quiz 130
Foundation Topics 132
Understanding the Basic Objects in Tenants 132
    Tenants 133
    Predefined Tenants in ACI 134
    VRF Instances 135
    Bridge Domains (BDs) 137
    Endpoint Groups (EPGs) 137
    Application Profiles 138
    The Pain of Designing Around Subnet Boundaries 139
    BDs and EPGs in Practice 141
    Configuring Bridge Domains, Application Profiles, and EPGs 142
    Classifying Endpoints into EPGs 146
    APIC CLI Configuration of Tenant Objects 147
Contract Security Enforcement Basics 148
    Contracts, Subjects, and Filters 148
    Contract Direction 149
    Contract Scope 150
    Zero-Trust Using EPGs and Contracts 151
Objects Enabling Connectivity Outside the Fabric 151
    External EPGs 151
    Layer 3 Outside (L3Out) 153
Tenant Hierarchy Review 153
Exam Preparation Tasks 154
Review All Key Topics 154
Complete Tables and Lists from Memory 154
Define Key Terms 154
Chapter 6 Access Policies 156
Do I Know This Already? Quiz 156
Foundation Topics 158
Pools, Domains, and AAEPs 158
    VLAN Pools 159
    Domains 160
    Common Designs for VLAN Pools and Domains 161
    Challenges with Overlap Between VLAN Pools 164
    Attachable Access Entity Profiles (AAEPs) 165
Policies and Policy Groups 169
    Interface Policies and Interface Policy Groups 169
    Planning Deployment of Interface Policies 173
    Switch Policies and Switch Policy Groups 174
Profiles and Selectors 176
    Configuring Switch Profiles and Interface Profiles 179
    Stateless Networking in ACI 182
Bringing It All Together 183
    Access Policies Hierarchy in Review 183
    Access Policies and Tenancy in Review 184
Exam Preparation Tasks 184
Review All Key Topics 184
Complete Tables and Lists from Memory 185
Define Key Terms 185
Chapter 7 Implementing Access Policies 186
Do I Know This Already? Quiz 186
Foundation Topics 188
Configuring ACI Switch Ports 188
    Configuring Individual Ports 188
    Configuring Port Channels 196
    Configuring Virtual Port Channel (vPC) Domains 201
    Configuring Virtual Port Channels 204
    Configuring Ports Using AAEP EPGs 208
    Implications of Initial Access Policy Design on Capabilities 210
Configuring Access Policies Using Quick Start Wizards 211
    The Configure Interface, PC, and VPC Wizard 211
    The Configure Interface Wizard 211
Additional Access Policy Configurations 212
    Configuring Fabric Extenders 212
    Configuring Dynamic Breakout Ports 215
    Configuring Global QoS Class Settings 217
    Configuring DHCP Relay 219
    Configuring MCP 221
    Configuring Storm Control 223
    Configuring CoPP 225
    Modifying BPDU Guard and BPDU Filter Settings 230
    Modifying the Error Disabled Recovery Policy 231
    Configuring Leaf Interface Overrides 232
    Configuring Port Channel Member Overrides 232
Exam Preparation Tasks 235
Review All Key Topics 235
Complete Tables and Lists from Memory 236
Define Key Terms 236
Chapter 8 Implementing Tenant Policies 238
Do I Know This Already? Quiz 238
Foundation Topics 241
ACI Endpoint Learning 241
    Lookup Tables in ACI 241
    Local Endpoints and Remote Endpoints 242
    Understanding Local Endpoint Learning 243
    Unicast Routing and Its Impact on Endpoint Learning 243
    Understanding Remote Endpoint Learning 244
    Understanding the Use of VLAN IDs and VNIDs in ACI 245
    Endpoint Movements Within an ACI Fabric 247
    Understanding Hardware Proxy and Spine Proxy 247
    Endpoint Learning Considerations for Silent Hosts 248
    Where Data Plane IP Learning Breaks Down 249
    Endpoint Learning on L3Outs 249
    Limiting IP Learning to a Subnet 249
    Understanding Enforce Subnet Check 250
    Disabling Data Plane Endpoint Learning on a Bridge Domain 250
    Disabling IP Data Plane Learning at the VRF Level 251
Packet Forwarding in ACI 251
    Forwarding Scenario 1: Both Endpoints Attach to the Same Leaf 251
    Understanding Pervasive Gateways 252
    Forwarding Scenario 2: Known Destination Behind Another Leaf 254
    Verifying the Traffic Path Between Known Endpoints 254
    Understanding Learning and Forwarding for vPCs 256
    Forwarding Scenario 3: Spine Proxy to Unknown Destination 258
    Forwarding Scenario 4: Flooding to Unknown Destination 261
    Understanding ARP Flooding 262
Deploying a Multi-Tier Application 263
    Configuring Application Profiles, BDs, and EPGs 264
    Assigning Domains to EPGs 267
    Policy Deployment Following BD and EPG Setup 267
        Mapping EPGs to Ports Using Static Bindings 267
        Verifying EPG-to-Port Assignments 269
        Policy Deployment Following EPG-to-Port Assignment 270
    Mapping an EPG to All Ports on a Leaf 270
    Enabling DHCP Relay for a Bridge Domain 271
Whitelisting Intra-VRF Communications via Contracts 272
    Planning Contract Enforcement 272
    Configuring Filters for Bidirectional Application 273
        Configuring Subjects for Bidirectional Application of Filters 275
        Understanding Apply Both Directions and Reverse Filter Ports 277
        Verifying Subject Allocation to a Contract 278
        Assigning Contracts to EPGs 278
        Understanding the TCP Established Session Rule 279
        Creating Filters for Unidirectional Application 280
        Configuring Subjects for Unidirectional Application of Filters 280
        Additional Whitelisting Examples 282
        Verifying Contract Enforcement 283
        Understanding the Stateful Checkbox in Filter Entries 284
        Contract Scopes in Review 284
Exam Preparation Tasks 285
Review All Key Topics 285
Complete Tables and Lists from Memory 287
Define Key Terms 287
Part III External Connectivity
Chapter 9 L3Outs 288
Do I Know This Already? Quiz 288
Foundation Topics 291
L3Out Fundamentals 291
    Stub Network and Transit Routing 291
    Types of L3Outs 292
    Key Functions of an L3Out 293
    The Anatomy of an L3Out 293
    Planning Deployment of L3Out Node and Interface Profiles 295
    Understanding L3Out Interface Types 296
    Understanding L3Out Bridge Domains 296
    Understanding SVI Encap Scope 298
    Understanding SVI Auto State 299
    Understanding Prerequisites for Deployment of L3Outs 301
    L3 Domain Implementation Examples 301
    Understanding the Need for BGP Route Reflection 303
    Implementing BGP Route Reflectors 304
    Understanding Infra MP-BGP Route Distribution 305
Deploying L3Outs 307
    Configuring an L3Out for EIGRP Peering 307
    Deploying External EPGs 310
    Verifying Forwarding Out an L3Out 312
    Advertising Subnets Assigned to Bridge Domains via an L3Out 314
    Enabling Communications over L3Outs Using Contracts 316
    Deploying a Blacklist EPG with Logging 318
    Advertising Host Routes Out an ACI Fabric 321
    Implementing BFD on an EIGRP L3Out 321
    Configuring Authentication for EIGRP 324
    EIGRP Customizations Applied at the VRF Level 324
    Configuring an L3Out for OSPF Peering 325
    A Route Advertisement Problem for OSPF and EIGRP L3Outs 328
    Implementing BFD on an OSPF L3Out 328
    OSPF Customizations Applied at the VRF Level 329
    Adding Static Routes on an L3Out 329
    Implementing IP SLA Tracking for Static Routes 330
    Configuring an L3Out for BGP Peering 334
    Implementing BGP Customizations at the Node Level 337
    Implementing Per-Neighbor BGP Customizations 339
    Implementing BFD on a BGP L3Out 341
    Implementing BGP Customizations at the VRF Level 342
    Implementing OSPF for IP Reachability on a BGP L3Out 343
    Implementing Hot Standby Router Protocol (HSRP) 344
    IPv6 and OSPFv3 Support 344
Implementing Route Control 344
    Route Profile Basics 344
    Modifying Route Attributes to All Peers Behind an L3Out 346
    Modifying Route Attributes to a Specific Peer Behind an L3Out 349
    Assigning Different Policies to Routes at the L3Out Level 351
    Configuring Inbound Route Filtering in ACI 352
Exam Preparation Tasks 353
Review All Key Topics 353
Complete Tables and Lists from Memory 356
Define Key Terms 356
Chapter 10 Extending Layer 2 Outside ACI 358
Do I Know This Already? Quiz 358
Foundation Topics 361
Understanding Network Migrations into ACI 361
    Understanding Network-Centric Deployments 361
    Understanding Full-Mesh Network-Centric Contracts 362
    Understanding Any EPG 364
    Understanding Preferred Group Members 365
    Disabling Contract Enforcement at the VRF Instance Level 367
    Flooding Requirements for L2 Extension to Outside Switches 368
    Understanding GARP-Based Detection 370
    Understanding Legacy Mode 371
    Endpoint Learning Considerations for Layer 2 Extension 371
    Preparing for Network-Centric Migrations 372
Implementing Layer 2 Connectivity to Non-ACI Switches 372
    Understanding EPG Extensions 372
    Understanding Bridge Domain Extensions 374
    Comparing EPG Extensions and BD Extensions 374
    Implementing EPG Extensions 375
    Implementing L2Outs 380
    Migrating Overlapping VLANs into ACI 385
Understanding ACI Interaction with Spanning Tree Protocol 386
    Remediating Against Excessive Spanning Tree Protocol TCNs 386
    Configuring MST Instance Mappings in ACI 387
    Understanding Spanning Tree Protocol Link Types 388
    Using MCP to Detect Layer 2 Loops 388
Exam Preparation Tasks 389
Review All Key Topics 389
Complete Tables and Lists from Memory 390
Define Key Terms 390
Part IV Integrations
Chapter 11 Integrating ACI into vSphere Using VDS 392
Do I Know This Already? Quiz 392
Foundation Topics 394
Understanding Networking in VMware vSphere 394
    Understanding vSphere Standard Switches 395
    Understanding vSphere Distributed Switches 397
    Understanding vSphere System Traffic 397
    Impact of vCenter Failure on Production Traffic 399
    Understanding Port Bindings in vSphere 400
    Understanding Teaming and Failover Policies 400
Understanding VMM Integration 403
    Planning vCenter VMM Integrations 403
    What Happens After VDS Deployment? 405
    Understanding Immediacy Settings 405
    Connecting ESXi Servers to the Fabric 407
    Configuring Connectivity to ESXi in UCS Domains 407
Integrating ACI into vSphere Using VDS 407
    Prerequisites for VMM Integration with vSphere VDS 408
    Configuring a VMM Domain Profile 408
    Adding ESXi Hosts to a VDS 411
    Pushing EPGs to vCenter as Distributed Port Groups 415
    Assigning VMs to Distributed Port Groups 417
    Less Common VMM Domain Association Settings 418
    Enhanced LACP Policy Support 419
Exam Preparation Tasks 422
Review All Key Topics 422
Complete Tables and Lists from Memory 423
Define Key Terms 423
Chapter 12 Implementing Service Graphs 424
Do I Know This Already? Quiz 424
Foundation Topics 426
Service Graph Fundamentals 426
    Service Graphs as Concatenation of Functions 427
    Service Graph Management Models 428
    Understanding Network Policy Mode 428
    Understanding Service Policy Mode 430
    Understanding Service Manager Mode 432
    When to Use Service Graphs 434
    Choosing an L4L7 Services Integration Method 435
    Understanding Deployment Modes and the Number of BDs Required 435
    Deploying Service Graphs for Devices in GoTo Mode 436
    Deploying Service Graphs for Devices in GoThrough Mode 437
    Deploying Service Graphs for One-Arm Load Balancers 437
    Understanding Route Peering 438
    Understanding Dynamic Endpoint Attach 439
    Understanding Bridge Domain Settings for Service Graphs 439
    Understanding Service Graph Rendering 440
Service Graph Implementation Workflow 441
    Importing Device Packages 441
    Identifying L4L7 Devices to the Fabric 443
    Creating Custom Function Profiles 444
    Configuring a Service Graph Template 445
    Configuring Device Selection Policies 446
    Applying a Service Graph Template 446
    Configuring Additional Service Graph Parameters 447
    Monitoring Service Graphs and Devices 447
Service Graph Implementation Examples 447
    Deploying an Unmanaged Firewall Pair in a Service Graph 447
    Deploying Service Graphs for a Firewall in Managed Mode 453
Exam Preparation Tasks 460
Review All Key Topics 460
Complete Tables and Lists from Memory 461
Define Key Terms 461
Part V Management and Monitoring
Chapter 13 Implementing Management 462
Do I Know This Already? Quiz 462
Foundation Topics 464
Configuring Management in ACI 464
    Understanding Out-of-Band Management Connectivity 464
    Understanding In-Band Management Connectivity 465
    Deploying In-Band and OOB Management Side by Side 467
    Configuring In-Band Management 467
    Configuring Access Policies for APIC In-Band Interfaces 468
    Configuring the In-Band Management Bridge Domain 469
    Configuring In-Band Management IP Addressing 470
    Optionally Extending the In-Band Network Out of the Fabric 474
    Optionally Setting Up Additional Connectivity 476
    Whitelisting Desired Connectivity to and from an In-Band EPG 476
    Evaluating APIC Connectivity Preferences 478
    Out-of-Band Management Contracts in Review 479
Exam Preparation Tasks 481
Review All Key Topics 481
Memory Tables 481
Define Key Terms 481
Chapter 14 Monitoring ACI Using Syslog and SNMP 482
Do I Know This Already? Quiz 482
Foundation Topics 485
Understanding System Messages 485
Forwarding System Messages to Syslog Servers 487
    Apply Necessary Contracts to Allow Syslog Forwarding 487
    Configuring Syslog Monitoring Destination Groups 492
    Configuring Syslog Sources for Desired Monitoring Policies 494
    Verify Syslog Forwarding to Desired Syslog Servers 498
Using SNMP in ACI 500
    ACI Support for SNMP 501
    ACI SNMP Configuration Caveats 502
Configuring ACI for SNMP 502
    Apply Necessary Contracts for SNMP 503
    Associate an SNMP Policy with a Pod Policy 504
    Associate SNMP Contexts with Desired VRF Instances 506
    Configure SNMP Monitoring Destination Groups 507
    Configure SNMP Sources for All Desired Monitoring Policies 508
    Verify SNMP Forwarding to Desired SNMP Servers 509
Exam Preparation Tasks 511
Review All Key Topics 511
Complete Tables and Lists from Memory 512
Define Key Terms 512
Chapter 15 Implementing AAA and RBAC 514
Do I Know This Already? Quiz 514
Foundation Topics 516
Implementing Role-Based Access Control (RBAC) 516
    Understanding Security Domains 517
    Understanding Privileges and Roles 519
    Creating Local Users and Assigning Access 521
    Tweaking Roles and User Access 525
    Custom RBAC Rules 528
    A Common RBAC Pitfall 531
Integrating with External AAA Servers 532
    Configuring ACI for TACACS+ 532
    Configuring ISE to Authenticate and Authorize Users for ACI 536
    Expected Cisco AV Pair Formatting for ACI 538
    Configuring ACI for RADIUS 540
    Configuring ACI for LDAP 541
    AAA Authentication Policy Settings 547
    Regaining Access to the Fabric via Fallback Domain 550
Exam Preparation Tasks 550
Review All Key Topics 550
Complete Tables and Lists from Memory 551
Define Key Terms 551
Part VI Operations
Chapter 16 ACI Anywhere 552
Do I Know This Already? Quiz 552
Foundation Topics 555
ACI Multi-Site Fundamentals 555
    Interconnecting ACI Fabrics with ACI Multi-Site 555
    New ACI Multi-Site Constructs and Configuration Concepts 557
    Locally Governed Versus MSO-Governed Configurations 557
    Schemas and Templates in Practice 557
Building Primary and Disaster Recovery
    Data Centers with ACI 558
    Centralized Orchestration and Management of Multiple Fabrics 559
    Tweaking Broadcast and Stretch Settings on a Per-BD Basis 560
    Cross-Data Center Ingress Routing Optimizations 561
    Simultaneous or Independent Policy Deployment to Sites 561
Building Active/Active Data Centers with ACI 562
    VMM Integrations Applicable to Multiple Data Centers 563
    Stateful-Services Integration in ACI Multi-Pod and Multi-Site 563
Extending ACI to Remote Locations and Public Clouds 564
    Extending ACI into Public Clouds with ACI Multi-Site 564
    Extending ACI into Bare-Metal Clouds with vPod 564
    Integrating Remote Sites into ACI Using Remote Leaf Switches 564
Exam Preparation Tasks 565
Review All Key Topics 565
Memory Tables 565
Define Key Terms 565
Part VII Final Preparation
Chapter 17 Final Preparation 566
Getting Ready 566
Tools for Final Preparation 567
    Pearson Cert Practice Test Engine and Questions on the Website 567
    Accessing the Pearson Test Prep Software Online 567
    Accessing the Pearson Test Prep Software Offline 568
    Customizing Your Exams 568
    Updating Your Exams 569
    Premium Edition 569
Suggested Plan for Final Review/Study 570
Summary 570
Appendix A Answers to the Do I Know This Already? Questions 572
Appendix B CCNP Data Center Application Centric Infrastructure DCACI 300-620 Exam Updates 586
Glossary 589


Online ElementsAppendix C Memory Tables
Appendix D Memory Tables Answer Key
Appendix E Study Planner
Glossary



9780136602668   TOC   12/15/2020

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