CCNP Routing学习指南 英文PDF电子书下载

Chapter 1 Scaling Large Internetworks 1

Internetworks 2

Clearing Up Network Congestion 3

Segmentation with a Bridge 4

Segmentation with a Router 5

Segmentation with LAN Switches 6

The Cisco Three-Layer Model 7

The Core Layer 9

The Distribution Layer 10

The Access Layer 10

Requirements of the Scalable Internetwork 11

Reliability and Availability 12

Responsiveness 12

Efficiency 13

Accessibility and Security 14

Adaptability 14

Summary 15

Key Terms 15

Written Lab 16

Review Questions 16

Answers to Written Lab 19

Answers to Review Questions 20

Chapter 2 Routing Principles 23

Fundamentals of Routing 24

Routing Tables 25

Administrative Distances 26

Packet Switching 27

Dynamic Routing 27

Routing Protocols 28

Classful Routing 29

Classless Routing 30

Distance-Vector Protocols 31

RIP 32

IGRP 35

Link-State Routing Protocols 36

Convergence 38

RIP Convergence 38

IGRP Convergence 39

EIGRP Convergence 40

OSPF Convergence 40

Summary 41

Key Terms 41

Written Lab 41

Review Questions 42

Answer to Written Lab 45

Answers to Review Questions 46

Chapter 3 IP Addressing 49

Review of IP Addressing 50

IP Terminology 51

The Hierarchical IP Addressing Scheme 51

Extending IP Addresses 56

Variable-Length Subnet Masks 57

Classless Interdomain Routing 63

Route Summarization 64

Decimal-to-Binary Conversion Chart 70

Summary 72

Key Terms 72

Commands Used in This Chapter 73

Written Lab 73

Design Requirements 73

Solution to Written Exercise 74

Using IP Unnumbered 77

Hands-on Lab 77

Review Questions 78

Answers to Review Questions 81

Chapter 4 OSPF Areas 85

Open Shortest Path First 86

OSPF Terminology 86

OSPF Operation 88

LSA Flooding 94

SPF Tree Calculation 97

OSPF Metrics 97

NBMA Overview 97

NBMA Environments 98

Broadcast 98

Point-to-Multipoint 99

Non-broadcast 99

Point-to-Point 99

Configuring OSPF 100

Discovering the Network with OSPF 100

Configuring OSPF--Single Area 103

Configuring OSPF--Single Area (NBMA Environment) 106

Verifying OSPF Configuration 110

Summary 113

Key Terms 113

Written Lab 113

Hands-on Lab 114

Answer to Lab 4*1 115

Answer to Lab 4*2 115

Answer to Lab 4*3 116

Review Questions 118

Answers to Review Questions 121

Answers to Written Lab 121

Chapter 5 Interconnecting OSPF Areas 123

OSPF Scalability 124

Categories of Multi-area Components 126

OSPF Router Roles 126

Link State Advertisements 127

OSPF Area Types 128

Basic Multi-area Configuration 129

Stub Area Configuration 130

RouterB 131

RouterC 132

RouterD 132

Totally Stubby Area Configuration 133

RouterD 134

RouterB 134

RouterC 134

Not-So-Stubby Area Configuration 135

RouterA 135

RouterB 135

RouterC 136

RouterD 136

OSPF Virtual Links 138

Monitoring and Troubleshooting Multi-area OSPF Networks 141

Summary 141

Key Terms 142

Written Lab 142

Solution 142

Hands-on Lab 144

Solution 144

Review Questions 147

Answers to Review Questions 150

Chapter 6 IGRP and EIGRP 153

Scalability Features of Routing Protocols 154

Distance-Vector Protocol Scalability Issues 155

Scalability Limitations of Link-State Routing Protocols 156

Interior Gateway Routing Protocol 157

IGRP Features and Operation 157

IGRP Metrics 158

Redistribution Limitations 161

Enhanced Interior Gateway Routing Protocol 161

Route Tagging 162

Neighbor Relationships 162

Route Calculation 163

EIGRP Metrics 167

EIGRP Tuning 168

Configuring EIGRP 168

Load Balancing 169

Route Redistribution 171

Troubleshooting EIGRP 173

Summary 174

Key Terms 174

Commands Used in This Chapter 175

Written Lab 175

Hands-on Lab 176

Review Questions 177

Answers to Written Lab 180

Answers to Review Questions 181

Chapter 7 BGP′s Basic Components 183

Autonomous Systems 185

Stub AS 187

BGP Peers 189

iBGP 189

Transit AS 189

eBGP 190

Routing Protocols 191

Distance-Vector Protocols 192

Link-State Routing Protocols 193

When to Use and When Not to Use BGP 195

Ingress Filtering 196

BGP Update Messages 196

BPG Common Header 198

Marker 198

Length 198

Type 198

NOTIFICATION Message 206

Network Layer Reachability Information 206

KEEPALIVE Message 208

Summary 209

Key Terms 209

Written Lab 210

Review Questions 210

Answers to Written Lab 213

Answers to Review Questions 214

Chapter 8 Configuring Basic BGP 217

Minimal Configuration 218

Verifying BGP Configurations 222

Configuring BGP Route-Selection Attributes 223

Troubleshooting BGP 227

Summary 231

Key Terms 231

Commands Used in This Chapter 232

Written Lab 233

Hands-on Lab 233

Review Questions 234

Answers to Written Lab 238

Answers to Review Questions 238

Chapter 9 BGP Scalability and Advanced Features 241

Filters 242

Creating BGP Policies 244

Distribute Lists 244

Prefix Lists 244

Route Maps 248

Route Reflectors 250

Configuring a Route Reflector 252

Confederations 254

Peer Groups and Communities 256

Peer Groups 257

Multi-homing 258

Summary 261

Key Terms 261

Written Lab 261

Hands-on Lab 262

Review Questions 265

Answers to Written Lab 268

Answers to Review Questions 268

Chapter 10 Route Optimization 271

Route Redistribution 272

Routing Protocol Metrics 274

OSPF 275

IGRP 275

Configuring Route Redistribution 277

EIGRP 277

EIGRP and IGRP Route Redistribution 279

EIGRP and OSPF Route Redistribution 280

Verifying and Troubleshooting Route Redistribution 280

Advanced Redistribution 281

Protocol-Specific Metrics 282

Route-Specific Metrics 282

Filtering Routes 283

Using the Null0 Interface 285

Static, Connected, and Default Routes 286

Route Maps 287

Policy-Routing TCP Services 288

Policy Routing Subnets 290

Summary 291

Solution 292

Written Lab 292

Key Terms 292

Hands-on Lab 293

Solution 293

Review Questions 295

Answers to Review Questions 298

Appendix A Practice Exam 301

Answers to Practice Exam 310

Appendix B Commands in This Study Guide 315

Appendix C Route Summarization 319

Route Summarization for OSPF 320

Route Summarization for EIGRP 321

Route Summarization for BGP 322

Advertising Networks into BGP 322

Glossary 325