CCNP四合一考试指南 英文原版PDF电子书下载

PARTⅠ Routing 1

Chapter 1 Routing Principles 2

Understanding Data Routing 3

Understanding Routing Table Fields 5

Describing Classful and Classless Routing Protocols 8

Describing Distance-Vector and Link-State Protocols 11

Chapter 2 Extending IP Addresses 16

Understanding IP Addressing 17

Understanding Variable-Length Subnet Masks (VLSMs) and IP Addresses 20

Understanding Classless Interdomain Routing(CIDR) 23

Understanding Route Summarization 24

Describing Private IP Addressing 29

Chapter 3 Configuring OSPF in a Single Area 32

Introducing OSPF 33

Understanding OSPF Operation 35

Configuring OSPF in a Single Area 38

Configuring NBMA Single-Area OSPF Networks 41

Verifying OSPF 47

Chapter 4 Interconnecting Multiple OSPF Areas 50

Interconnecting Multiple Areas 51

Understanding OSPF Areas, Routers, and LSAs 53

Configuring Multi-Area OSPF Networks 56

Summarizing OSPF Areas 63

Verifying Multi-Area OSPF 64

Chapter 5 Configuring EIGRP 66

Introducing Enhanced IGRP 67

Discovering, Choosing, and Maintaining Routes 69

Configuring Enhanced IGRP 72

Verifying Enhanced IGRP Operation 77

Chapter 6 Configuring Basic Border Gateway Protocol (BGP) 79

Understanding Static Routing as an Alternative to BGP 80

Understanding BGP Autonomous Systems 84

Defining BGP Peering 87

Defining BGP Common Header and Attributes 91

Configuring External and Internal BGP 95

Chapter 7 Implementing BGP in Scalable Networks 100

Overcoming BGP Scalability Problems 101

Configuring Prefix Lists 106

Configuring Route Reflectors and Confederations 109

Configuring Redistribution between BGP and Interior Gateway Protocols(IGPs) 113

Chapter 8 Optimizing Routing Update Operation 116

Understanding Route Redistribution 117

Configuring Route Redistribution 121

Verifying and Troubleshooting Route Redistribution 125

Configuring Advanced Redistribution 127

Policy-based Routing 133

PART Ⅱ Switching 139

Chapter 9 The Campus Network 140

Understanding Switching Technologies 141

Describing the Cisco Hierarchical Model 145

Reviewing the Cisco Catalyst Products 148

Understanding the Network Building Blocks 151

Chapter 10 Connecting the Switch Block 154

Describing Cable Media and the IEEE Standards 155

Connecting and Logging In to Set-based and IOS-based Switches 158

Configuring Set-based and IOS-based Switches 160

Configuring the Duplex and Speed of Switch Interfaces 169

Verifying IP Connectivity 171

Chapter 11 VLANs 174

Understanding the Role of Switches in VLANs 175

Understanding VLAN Frame Filtering and Frame Tagging 177

Understanding Local and End-to-End VLANs and VLAN Memberships 180

Configuring Static VLANs on Set-based and IOS-based Switches 183

Configuring Trunking on Set-based and IOS-based Switches 187

Configuring Virtual Trunk Protocol (VTP)on Set-based and IOS-based Switches 190

Chapter 12 Layer 2 Switching and the Spanning Tree Protocol(STP) 196

Understanding Layer 2 LAN Switching 197

Understanding Spanning Tree Protocol (STP)Operation 200

Configuring STP 204

Describing STP Implementations Used with VLANs 207

Scaling STP 208

Configuring Redundant Links with STP 215

Maintaining a Consistent Network with PortFast, UplinkFast, and BackboneFast 220

Chapter 13 Inter-VLAN Routing 227

Understanding Inter-VLAN Routing 228

Configuring Inter-VLAN Routing 231

Chapter 14 Multi-Layer Switching(MLS) 238

Understanding Multi-Layer Switching(MLS) 239

Configuring the Multi-Layer Switching Route Processor (MLS-RP) 246

Configuring the Multi-Layer Switching Switching Engine (MLS-SE) 249

Verifying MLS 252

Chapter 15 Multicast 255

Describing Multicast 256

Understanding Multicast Addressing 259

Managing Multicast in an Internetwork 264

Preparing for Using IP Multicast 268

Routing Multicast Traffic 269

Understanding Multicast Routing Protocols 273

Configuring IP Multicast Routing 277

Chapter 16 Access Policies 288

Defining Access Policies 289

Configuring Privilege Levels 294

Limiting Access to Routers and Switches 296

Implementing Route Filtering 298

PART Ⅲ Remote Access 301

Chapter 17 Cisco Remote Access Solutions 302

Identifying the Types of Cisco Products That Best Meet the WAN Connection Requirements 303

Chapter 18 Selecting Cisco Products for Remote Connections 306

Appropriate WAN Connection Types, and the Advantages and Disadvantages of Each 307

Selecting Cisco Equipment to Suit the Specific Needs of a WAN Topology 310

Chapter 19 Assembling and Cabling the WAN Components 319

Identifying Components and Connections to Allow WAN Connections 320

Chapter 20 Configuring Asynchronous Connections to a Central Site with Modems 338

Commands and Procedures to Configure Asynchronous Connectivity 339

Commands to Set Up the Modem Auto-Configuration Feature 346

Configuring a Dial-Out Connection 348

Commands to Reverse Telnet to the Modem 351

Commands to Configure the Cisco 700 Series Router 352

Chapter 21 Configuring PPP and Controlling Network Access with PAP and CHAP 365

Commands to Configure a PPP Connection 366

Commands and Syntaxes to Configure PAP or CHAP Authentication 369

Configuring Multilink PPP and Compression Types to Increase Data Throughput 372

Accessing the Central Site with Windows 95/98 377

Commands and Procedures to Configure a Windows 95/98 PC for Dial-Up 381

PPP on a Cisco Access Server 389

Chapter 22 Using ISDN and DDR Technologies to Enhance Remote Connectivity 392

Identifying When to Use ISDN BRI and PRI Services 393

Identifying the Q.921 and Q.931 Signaling and Call Setup Sequences 399

Specifying the Commands Used to Configure ISDN BRI and PRI 400

Specifying the Commands Used to Configure DDR 407

Chapter 23 Optimizing the Use of DDR Interfaces 411

Selecting Appropriate Dial-Up Capabilities to Place a Call 412

Commands and Procedures to Configure Rotary Groups, Dialer Backups, and Dialer Profiles 415

Commands to Verify Proper Dialer Configuration 424

DHCP Using a Cisco Router 425

Chapter 24 Using X.25 for Remote Access 433

Configuring an X.25 WAN Connection between the Central Office and Branch Office 434

Specifying Proper X.121 Addresses and Assigning Them to Router Interfaces 442

Commands and Procedures to Verify Proper X.25 Configuration 451

Chapter 25 Establishing a Dedicated Frame Relay Connection 454

Commands and Procedures to Configure Frame Relay 455

Commands to Configure Subinterfaces on Virtual Interfaces 468

Commands to Configure Frame Relay Traffic Shaping 470

Commands and Procedures to Verify Proper Frame Relay Configuration 473

Chapter 26 Enabling a Backup to the Permanent Connection 477

Configuring a Backup Connection to Activate upon Primary Line Failure 478

Configuring a Backup Connection to Activate When the Primary Line Reaches a Specified Threshold 482

Configuring a Dialer to Function as Backup to the Primary Interface 484

Chapter 27 Managing Network Performance with Queuing and Compression 487

Determining the Best Queuing Method to Implement and Verifying Proper Queuing Configuration 488

Commands to Configure Weighted Fair, Priority, and Custom Queuing 494

Effectively Selecting and Implementing Compression 501

Chapter 28 Scaling IP Addresses with Network Address Translation 505

How NAT and PAT Operate 506

Specitying the Commands and Procedures to Configure NAT and PAT 517

Verifying Proper Configuration of NAT and PAT 523

Chapter 29 Using TACACS+ and AAA to Scale Access Control 527

Describing the Security Features of CiscoSecure and Using TACACS+ and AAA 528

Commands and Procedures to Configure AAA 537

PART Ⅳ Support 543

Chapter 30 IOS Troubleshooting Commands 544

Using Cisco IOS Troubleshooting Commands 545

Chapter 31 Problem Solving and Support Functions 566

Problem-Solving Method 567

Troubleshooting Tools 570

Cisco Support Functions 575

Chapter 32 Troubleshooting TCP/IP 580

Troubleshooting TCP/IP Connectivity 581

Chapter 33 Troubleshooting 600

Problem Isolation for AppleTalk 601

Problem Isolation for Serial Links 610

Problem Isolation for ISDN BRI 624

Problem Isolation for Novell IPX 635

Problem Isolation for Catalyst Switches 643