DCICT – Introducing Cisco Data Center Technologies v6.0

       

      Table of Contents

      Introduction xxxii

      Getting Started 3

      A Brief Perspective on the CCNA Data Center Certification Exam 3

      Suggestions for How to Approach Your Study with This Book 3

      This Book Is Compiled from 17 Short Read-and-Review Sessions 4

      Practice, Practice, Practice—Did I Mention: Practice? 4

      In Each Part of the Book You Will Hit a New Milestone 5

      Use the Final Preparation Chapter to Refine Skills 6

      Set Goals and Track Your Progress 6

      Other Small Tasks Before Getting Started 7

      Part I Data Center Networking Technologies 9

      Chapter 1 Data Center Networking 11

      “Do I Know This Already?” Quiz 11

      Foundation Topics 15

      Port Channel 15

      What Is Port Channel? 15

      Benefits of Using Port Channels 15

      Port Channel Compatibility Requirements 16

      Link Aggregation Control Protocol 16

      Port Channel Modes 17

      Configuring Port Channel 18

      Port Channel Load Balancing 19

      Verifying Port Channel Configuration 19

      Virtual Port Channel 20

      What Is Virtual Port Channel? 20

      Benefits of Using vPC 22

      Components of vPC 22

      vPC Data Plane Operation 24

      vPC Control Plane Operation 26

      vPC Limitations 27

      Configuration Steps of vPC 27

      Verification of vPC 29

      FabricPath 29

      Spanning Tree Protocol 29

      What Is FabricPath? 31

      Benefits of FabricPath 31

      Components of FabricPath 32

      FabricPath Frame Format 34

      FabricPath Control Plane 35

      FabricPath Data Plane 37

      Conversational Learning 38

      FabricPath Packet Flow Example 38

      Unknown Unicast Packet Flow 39

      Known Unicast Packet Flow 39

      Virtual Port Channel Plus 40

      FabricPath Interaction with Spanning Tree 41

      Configuring FabricPath 42

      Verifying FabricPath 43

      Reference List 44

      Exam Preparation Tasks 45

      Review All Key Topics 45

      Complete Tables and Lists from Memory 45

      Define Key Terms 45

      Chapter 2 Management and Monitoring of Cisco Nexus Devices 47

      “Do I Know This Already?” Quiz 47

      Foundation Topics 50

      Operational Planes of a Nexus Switch 50

      Data Plane 50

      Store-and-Forward Switching 51

      Cut-Through Switching 51

      Nexus 5500 Data Plane Architecture 51

      Control Plane 53

      Nexus 5500 Control Plane Architecture 54

      Control Plane Policing 55

      Control Plane Analyzer 57

      Management Plane 58

      Nexus Management and Monitoring Features 59

      Out-of-Band Management 59

      Console Port 60

      Connectivity Management Processor 61

      Management Port (mgmt0) 61

      In-Band Management 62

      Simple Network Management Protocol 62

      SNMP Notifications 63

      SNMPv3 63

      Remote Monitoring 64

      RMON Alarms 64

      RMON Events 65

      Syslog 65

      Embedded Event Manager 66

      Event Statements 66

      Action Statements 66

      Policies 66

      Generic Online Diagnostics 67

      Smart Call Home 68

      NX-API 68

      Role-Based Access Control 70

      User Roles 71

      Rules 71

      User Role Policies 72

      RBAC Characteristics and Guidelines 72

      Privilege Levels 72

      Reference List 73

      Exam Preparation Tasks 74

      Review All Key Topics 74

      Complete Tables and Lists from Memory 74

      Define Key Terms 74

      Chapter 3 Unified Fabric Overview 77

      “Do I Know This Already?” Quiz 77

      Foundation Topics 80

      Challenges of Today’s Data Center Networks 80

      Cisco Unified Fabric Principles 82

      Convergence of Network and Storage 82

      Scalability and Growth 88

      Security and Intelligence 93

      Inter-Data Center Unified Fabric 97

      Fibre Channel over IP 98

      Overlay Transport Virtualization 100

      Locator ID Separation Protocol 104

      Reference List 106

      Exam Preparation Tasks 107

      Review All Key Topics 107

      Complete Tables and Lists from Memory 107

      Define Key Terms 107

      Part I Review 108

      Part II Network Virtualization 113

      Chapter 4 Cisco Nexus 1000V and Virtual Switching 115

      “Do I Know This Already?” Quiz 116

      Foundation Topics 119

      Evolution of Virtual Switching 119

      Before Server Virtualization 119

      Server Virtualization with Static VMware vSwitch 121

      Virtual Network Components 122

      Virtual Access Layer 123

      Standard VMware vSwitch Overview 124

      Standard VMware vSwitch Operations 125

      Standard VMware vSwitch Configuration 127

      VMware vDS Overview 128

      VMware vDS Configuration 129

      VMware vDS Enhancements 131

      VMware vSwitch and vDS 131

      Cisco Nexus 1000V Virtual Networking Solution 132

      Cisco Nexus 1000V System Overview 134

      Cisco Nexus 1000V Salient Features and Benefits 134

      Cisco Nexus 1000V Series Virtual Switch Architecture 137

      Cisco Nexus 1000V Virtual Supervisory Module 137

      Cisco Nexus 1000V Virtual Ethernet Module 138

      Cisco Nexus 1000V Component Communication 140

      Cisco Nexus 1000V Management Communication 140

      Cisco Nexus 1000V Port Profiles 141

      Types of Port Profiles in Cisco Nexus 1000V 142

      Cisco Nexus 1000V Administrator View and Roles 142

      Cisco Nexus 1000V Verifying Initial Configuration 144

      Cisco Nexus 1000V VSM Installation Methods 144

      Initial VSM Configuration Verification 145

      Verifying VMware vCenter Connectivity 145

      Verifying Nexus 1000V Module Status 147

      Cisco Nexus 1000V VEM Installation Methods 148

      Initial VEM Status on ESX or ESXi Host 148

      Verifying VSM Connectivity from vCenter Server 148

      Verifying VEM Agent Running 148

      Verifying VEM Uplink Interface Status 149

      Verifying VEM Parameters with VSM Configuration 150

      Validating VM Port Groups and Port Profiles 150

      Verifying Port Profile and Groups 152

      Key New Technologies Integrated with Cisco Nexus 1000V 153

      What Is the Difference Between VN-Link and VN-Tag? 153

      What Is VXLAN? 153

      What Is vPath Technology? 154

      What Is Cisco Application Virtual Switch (AVS)? 154

      Reference List 155

      Exam Preparation Tasks 156

      Review All Key Topics 156

      Complete Tables and Lists from Memory 156

      Define Key Terms 157

      Chapter 5 Data Center Overlay Networks 159

      “Do I Know This Already?” Quiz 159

      Foundation Topics 162

      Overlay Transport Virtualization 162

      Introduction to Overlay Transport Virtualization 162

      OTV Terminology 164

      OTV Control Plane 166

      Multicast-Enabled Transport Infrastructure 166

      Unicast-Enabled Transport Infrastructure 167

      Data Plane for Unicast Traffic 168

      Data Plane for Multicast Traffic 170

      Failure Isolation 172

      STP Isolation 172

      Unknown Unicast Handling 172

      ARP Optimization 173

      OTV Multihoming 173

      First Hop Redundancy Protocol Isolation 174

      OTV Configuration Example with Multicast Transport 174

      OTV Configuration Example with Unicast Transport 177

      Virtual Extensible LAN 179

      VXLAN Terminology 180

      VTEP 180

      VNID 181

      VXLAN Gateway Types 181

      VXLAN Bridging 181

      VXLAN Routing 181

      VXLAN Packet Forwarding 183

      VXLAN VTEP Discovery and Address Learning 183

      VXLAN Data Plane Learning 184

      VXLAN Unicast-Only Mode 184

      VXLAN Using Control Plane Protocol 184

      Network Virtualization Using Generic Routing Encapsulation 184

      Reference List 185

      Exam Preparation Tasks 186

      Review All Key Topics 186

      Define Key Terms 186

      Chapter 6 Virtualizing Cisco Network Devices 189

      “Do I Know This Already?” Quiz 189

      Foundation Topics 192

      Describing VDCs on the Cisco Nexus 7000 Series Switch 192

      VDC Deployment Scenarios 194

      Horizontal Consolidation Scenarios 194

      Vertical Consolidation Scenarios 195

      VDCs for Service Insertion 196

      Understanding Different Types of VDCs 196

      Interface Allocation 198

      VDC CPU Shares and Hardware Resources 199

      VDC Administration 199

      VDC Requirements 200

      Verifying VDCs on the Cisco Nexus 7000 Series Switch 201

      Describing Layer 3 Virtualization Within VDCs 204

      Describe the Benefits and Perform Simple Troubleshooting of VDC STP 207

      Verifying STP Operation 209

      Describing Network Interface Virtualization 210

      Cisco Nexus 2000 FEX Terminology 210

      Nexus 2000 Series Fabric Extender Connectivity 211

      VN-Tag Overview 212

      Cisco Nexus 2000 FEX Packet Flow 213

      Cisco Nexus 2000 FEX Port Connectivity 214

      Cisco Nexus 2000 FEX Configuration on the Nexus 7000 Series 216

      Cisco Adapter FEX Technology 219

      Reference List 221

      Exam Preparation Tasks 222

      Review All Key Topics 222

      Define Key Terms 222

      Part II Review 224

      Part III Cisco Unified Computing 229

      Chapter 7 Cisco UCS Architecture 231

      “Do I Know This Already?” Quiz 232

      Foundation Topics 235

      Evolution of Server Computing in a Nutshell 235

      What Is a Socket? 236

      What Is a Core? 236

      What Is Hyperthreading? 237

      Understanding Server Processor Numbering 237

      Value of Cisco UCS in the Data Center 238

      One Unified System 239

      Unified Fabric 240

      Unified Management and Operations 240

      Cisco UCS Stateless Computing 241

      Intelligent Automation, Cloud-Ready Infrastructure 242

      Describing the Cisco UCS Product Family 243

      Cisco UCS Computer Hardware Naming 243

      Cisco UCS Fabric Interconnects 244

      What Is a Unified Port? 247

      What Are QSA Modules and Breakout Cables? 247

      Cisco UCS Fabric Interconnect—Expansion Modules 247

      Cisco UCS 5108 Blade Server Chassis 248

      Cisco UCS 5108 Blade Server Chassis—Power Supply and Redundancy Modes 248

      Cisco UCS M4308 Chassis 249

      Cisco UCS I/O Modules (FEX) 250

      Cisco UCS B-Series Blade Servers 251

      Cisco UCS B-Series Best Practices for Populating DRAM 253

      Cisco Adapters (Mezzanine Cards) for UCS B-Series Blade Servers 254

      Cisco Converged Network Adapters (CNA) 254

      Cisco Virtual Interface Cards 255

      Cisco UCS VIC 1340/1380 256

      Cisco UCS Port Expander 257

      What Is Cisco Adapter FEX? 257

      What Is Cisco Virtual Machine-Fabric Extender? 257

      Cisco UCS Storage Accelerator Adapters 258

      Cisco UCS C-Series Rackmount Servers 258

      Cisco UCS C-Series Dense Storage Rack Server 261

      Cisco UCS C-Series Best Practices for Populating DRAM 261

      Cisco Adapters for UCS C-Series Rackmount Servers 262

      Cisco UCS C-Series RAID Adapter Options 262

      Cisco UCS C-Series Virtual Interface Cards and OEM CAN Adapters 265

      Cisco UCS VIC 1387 mLOM 266

      What Is SR-IOV (Single Root-IO Virtualization)? 266

      Cisco UCS C-Series Network Interface Card 267

      Cisco UCS C-Series Host Bus Adapter 268

      What Is N_Port ID Virtualization (NPIV)? 269

      Cisco UCS Storage Accelerator Adapters 270

      Cisco UCS E-Series Servers 271

      Cisco UCS Mini 272

      Cisco UCS M-Series Servers 272

      Cisco UCS Software 274

      Cisco UCS Manager 274

      Cisco UCS Central 274

      Cisco UCS StorMagic SvSAN 274

      Cisco UCS Director 274

      Cisco IMC Supervisor 275

      System Menu 276

      Policies Menu 276

      Administration Menu 276

      Cisco UCS Platform Emulator 277

      Cisco goUCS Automation Tool 277

      Cisco UCS Connectivity Architecture 277

      Cisco UCS 5108 Chassis to Fabric Interconnect Physical Connectivity 277

      Cisco UCS C-Series Rackmount Server Physical Connectivity 278

      Cisco UCS 6200 Fabric Interconnect to LAN, SAN Connectivity 280

      Cisco UCS Fabric Interconnect Switching Modes 281

      Ethernet Switching Mode 281

      Fibre Channel Switching Mode 282

      Cisco UCS I/O Module and Fabric Interconnect Connectivity 283

      Cisco UCS I/O Module Architecture 285

      Fabric and Adapter Port Channel Architecture 287

      Cisco Integrated Management Controller Architecture 287

      Reference List 289

      Exam Preparation Tasks 290

      Review All Key Topics 290

      Complete Tables and Lists from Memory 292

      Define Key Terms 292

      Chapter 8 Cisco UCS Manager 295

      “Do I Know This Already?” Quiz 296

      Foundation Topics 299

      Cabling a Cisco UCS Fabric Interconnect HA Cluster 299

      Cisco UCS Fabric Interconnect HA Architecture 299

      Cisco UCS Fabric Interconnect Cluster Connectivity 300

      Initial Setup Script for Primary Fabric Interconnect 302

      Initial Setup Script for Subordinate Secondary Fabric Interconnect 303

      Verify Cisco UCS Fabric Interconnect Cluster Setup 303

      Changing Cluster Addressing via Command-Line Interface 305

      Command Modes 305

      Changing Cluster IP Addresses via Command-Line Interface 306

      Changing Static IP Addresses via Command-Line Interface 306

      Cisco UCS Manager Operations 307

      Cisco UCS Manager Functions 307

      Cisco UCS Manager GUI Layout 310

      Cisco UCS Manager: Navigation Pane—Tabs 313

      Equipment Tab 313

      Servers Tab 314

      LAN Tab 314

      SAN Tab 315

      VM Tab 315

      Admin Tab 317

      Storage Tab 317

      Basic Port Roles in the Cisco UCS Fabric Interconnects 318

      Cisco UCS Manager Hardware Discovery 319

      Verifying Device Discovery in Cisco UCS Manager 321

      Reference List 323

      Exam Preparation Tasks 324

      Review All Key Topics 324

      Define Key Terms 325

      Chapter 9 Cisco Unified Computing System Pools, Policies, Templates, and Service Profiles 327

      “Do I Know This Already?” Quiz 327

      Foundation Topics 331

      Cisco UCS Service Profiles 331

      Cisco UCS Hardware Abstraction and Stateless Computing 331

      Contents of a Cisco UCS Service Profile 333

      Other Benefits of Cisco UCS Service Profiles 335

      Ease of Incremental Deployments 335

      Plan and Preconfigure Cisco UCS Solutions 335

      Ease of Server Replacement 336

      Right-Sized Server Deployments 336

      Cisco UCS Templates 336

      Organizational Awareness with Service Profile Templates 337

      Cisco UCS Service Profile Templates 338

      Cisco UCS vNIC Templates 339

      Cisco UCS vHBA Templates 339

      Cisco UCS Logical Resource Pools 340

      UUID Identity Pools 341

      MAC Address Identity Pools 342

      WWN Address Identity Pools 343

      WWNN Pools 343

      WWPN Pools 344

      Cisco UCS Physical Resource Pools 345

      Server Pools 345

      Cisco UCS Server Qualification and Pool Policies 345

      Server Auto-Configuration Policies 346

      Creation of Policies for Cisco UCS Service Profiles and Service Profile Templates 347

      Frequently Used Policies Explained 347

      Equipment Tab—Global Policies 347

      BIOS Policy 348

      Boot Policy 348

      Local Disk Configuration Policy 349

      Maintenance Policy 350

      Scrub Policy 351

      Host Firmware Packages 351

      Adapter Policy 352

      Cisco UCS Chassis and Blade Power Capping 353

      What Is Power Capping? 353

      Cisco UCS Power Capping Strategies 353

      Utilizing Cisco UCS Service Profile Templates 355

      Creating Cisco UCS Service Profile Templates 355

      Modifying a Cisco UCS Service Profile Template 356

      Utilizing Cisco UCS Service Profile Templates for Different Workloads 357

      Creating Service Profiles from Templates 357

      Reference List 359

      Exam Preparation Tasks 360

      Review All Key Topics 360

      Complete Tables and Lists from Memory 361

      Define Key Terms 361

      Chapter 10 Administration, Management, and Monitoring of Cisco UCS 363

      “Do I Know This Already?” Quiz 363

      Foundation Topics 367

      Cisco UCS Administration 367

      Organization and Locales 367

      Role-Based Access Control 369

      Authentication Methods 370

      LDAP Providers 370

      LDAP Provider Groups 370

      Domain, Realm, and Default Authentication Settings 371

      Communication Management 372

      UCS Firmware, Backup, and License Management 373

      Firmware Terminology 373

      Firmware Definitions 374

      Firmware Update Guidelines 375

      Host Firmware Packages 375

      Cross-Version Firmware Support 376

      Firmware Auto Install 376

      UCS Backups 377

      Backup Automation 378

      License Management 379

      Cisco UCS Management 380

      Operational Planes 380

      In-Band Versus Out-of-Band Management 381

      Remote Accessibility 382

      Direct KVM Access 382

      Advanced UCS Management 383

      Cisco UCS Manager XML API 383

      goUCS Automation Toolkit 384

      Using the Python SDK 386

      Multi-UCS Management 387

      Cisco UCS Monitoring 387

      Cisco UCS System Logs 388

      Fault, Event, and Audit Logs (Syslogs) 388

      System Event Logs 391

      UCS SNMP 391

      Fault Suppression 393

      Collection and Threshold Policies 394

      Call Home and Smart Call Home 396

      Reference List 400

      Exam Preparation Tasks 401

      Review All Key Topics 401

      Define Key Terms 401

      Chapter 11 Server Virtualization Solutions 403

      “Do I Know This Already?” Quiz 403

      Foundation Topics 406

      Brief History of Server Virtualization 406

      Server Virtualization Components 407

      Hypervisor 407

      Virtual Machines 408

      Virtual Switching 409

      Shared Storage 410

      Management Tools 411

      Types of Server Virtualization 411

      Full Virtualization 412

      Paravirtualization 413

      Operating System Virtualization 414

      Server Virtualization Benefits and Challenges 415

      Server Virtualization Benefits 415

      Server Virtualization Challenges 416

      Reference List 421

      Exam Preparation Tasks 422

      Review All Key Topics 422

      Define Key Terms 422

      Part III Review 424

      Part IV Application Centric Infrastructure 429

      Chapter 12 ACI Architecture 431

      “Do I Know This Already?” Quiz 432

      Foundation Topics 436

      What’s an Application Programming Interface (API)? 436

      Network Management Options 436

      Cisco Software-Defined Networking (SDN) 438

      The Policy-Based Model 445

      OpFlex 447

      Spine-Leaf Data Center Design 447

      ACI Physical Topology and Software 449

      ACI Fabric Hardware—Cisco Nexus 9000 Family 452

      Application Policy Infrastructure Controller (APIC) 456

      VXLAN Forwarding 464

      Mapping Database 467

      ACI Fabric Provisioning and Startup Discovery 468

      Reference List 470

      Exam Preparation Tasks 472

      Review All Key Topics 472

      Complete Tables and Lists from Memory 473

      Define Key Terms 473

      Chapter 13 ACI Logical Model and Policy Framework 475

      “Do I Know This Already?” Quiz 475

      Foundation Topics 479

      Abstraction 479

      ACI Policy Object Model 480

      Different Models 487

      ACI Logical Constructs 488

      Bridge Domains and Subnets 492

      In-Band and Out-of-Band Management Networks 493

      Endpoint Groups 497

      Policy Enforcement 502

      Multicast Policy Enforcement 504

      Microsegmentation 505

      Intra-EPG Endpoint Isolation 505

      Application Profiles 506

      Contracts 506

      Labels, Filters, and Subjects 508

      Reference List 509

      Exam Preparation Tasks 511

      Review All Key Topics 511

      Define Key Terms 512

      Chapter 14 Operating ACI 515

      “Do I Know This Already?” Quiz 515

      Foundation Topics 518

      ACI and Three-Tier Application Model 518

       

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      26 mayo, 2017

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