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PARTⅠ Routing1

Chapter 1 Routing Principles2

Understanding Data Routing3

Understanding Routing Table Fields5

Describing Classful and Classless Routing Protocols8

Describing Distance-Vector and Link-State Protocols11

Chapter 2 Extending IP Addresses16

Understanding IP Addressing17

Understanding Variable-Length Subnet Masks (VLSMs) and IP Addresses20

Understanding Classless Interdomain Routing(CIDR)23

Understanding Route Summarization24

Describing Private IP Addressing29

Chapter 3 Configuring OSPF in a Single Area32

Introducing OSPF33

Understanding OSPF Operation35

Configuring OSPF in a Single Area38

Configuring NBMA Single-Area OSPF Networks41

Verifying OSPF47

Chapter 4 Interconnecting Multiple OSPF Areas50

Interconnecting Multiple Areas51

Understanding OSPF Areas, Routers, and LSAs53

Configuring Multi-Area OSPF Networks56

Summarizing OSPF Areas63

Verifying Multi-Area OSPF64

Chapter 5 Configuring EIGRP66

Introducing Enhanced IGRP67

Discovering, Choosing, and Maintaining Routes69

Configuring Enhanced IGRP72

Verifying Enhanced IGRP Operation77

Chapter 6 Configuring Basic Border Gateway Protocol (BGP)79

Understanding Static Routing as an Alternative to BGP80

Understanding BGP Autonomous Systems84

Defining BGP Peering87

Defining BGP Common Header and Attributes91

Configuring External and Internal BGP95

Chapter 7 Implementing BGP in Scalable Networks100

Overcoming BGP Scalability Problems101

Configuring Prefix Lists106

Configuring Route Reflectors and Confederations109

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

Chapter 8 Optimizing Routing Update Operation116

Understanding Route Redistribution117

Configuring Route Redistribution121

Verifying and Troubleshooting Route Redistribution125

Configuring Advanced Redistribution127

Policy-based Routing133

PART Ⅱ Switching139

Chapter 9 The Campus Network140

Understanding Switching Technologies141

Describing the Cisco Hierarchical Model145

Reviewing the Cisco Catalyst Products148

Understanding the Network Building Blocks151

Chapter 10 Connecting the Switch Block154

Describing Cable Media and the IEEE Standards155

Connecting and Logging In to Set-based and IOS-based Switches158

Configuring Set-based and IOS-based Switches160

Configuring the Duplex and Speed of Switch Interfaces169

Verifying IP Connectivity171

Chapter 11 VLANs174

Understanding the Role of Switches in VLANs175

Understanding VLAN Frame Filtering and Frame Tagging177

Understanding Local and End-to-End VLANs and VLAN Memberships180

Configuring Static VLANs on Set-based and IOS-based Switches183

Configuring Trunking on Set-based and IOS-based Switches187

Configuring Virtual Trunk Protocol (VTP)on Set-based and IOS-based Switches190

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

Understanding Layer 2 LAN Switching197

Understanding Spanning Tree Protocol (STP)Operation200

Configuring STP204

Describing STP Implementations Used with VLANs207

Scaling STP208

Configuring Redundant Links with STP215

Maintaining a Consistent Network with PortFast, UplinkFast, and BackboneFast220

Chapter 13 Inter-VLAN Routing227

Understanding Inter-VLAN Routing228

Configuring Inter-VLAN Routing231

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 MLS252

Chapter 15 Multicast255

Describing Multicast256

Understanding Multicast Addressing259

Managing Multicast in an Internetwork264

Preparing for Using IP Multicast268

Routing Multicast Traffic269

Understanding Multicast Routing Protocols273

Configuring IP Multicast Routing277

Chapter 16 Access Policies288

Defining Access Policies289

Configuring Privilege Levels294

Limiting Access to Routers and Switches296

Implementing Route Filtering298

PART Ⅲ Remote Access301

Chapter 17 Cisco Remote Access Solutions302

Identifying the Types of Cisco Products That Best Meet the WAN Connection Requirements303

Chapter 18 Selecting Cisco Products for Remote Connections306

Appropriate WAN Connection Types, and the Advantages and Disadvantages of Each307

Selecting Cisco Equipment to Suit the Specific Needs of a WAN Topology310

Chapter 19 Assembling and Cabling the WAN Components319

Identifying Components and Connections to Allow WAN Connections320

Chapter 20 Configuring Asynchronous Connections to a Central Site with Modems338

Commands and Procedures to Configure Asynchronous Connectivity339

Commands to Set Up the Modem Auto-Configuration Feature346

Configuring a Dial-Out Connection348

Commands to Reverse Telnet to the Modem351

Commands to Configure the Cisco 700 Series Router352

Chapter 21 Configuring PPP and Controlling Network Access with PAP and CHAP365

Commands to Configure a PPP Connection366

Commands and Syntaxes to Configure PAP or CHAP Authentication369

Configuring Multilink PPP and Compression Types to Increase Data Throughput372

Accessing the Central Site with Windows 95/98377

Commands and Procedures to Configure a Windows 95/98 PC for Dial-Up381

PPP on a Cisco Access Server389

Chapter 22 Using ISDN and DDR Technologies to Enhance Remote Connectivity392

Identifying When to Use ISDN BRI and PRI Services393

Identifying the Q.921 and Q.931 Signaling and Call Setup Sequences399

Specifying the Commands Used to Configure ISDN BRI and PRI400

Specifying the Commands Used to Configure DDR407

Chapter 23 Optimizing the Use of DDR Interfaces411

Selecting Appropriate Dial-Up Capabilities to Place a Call412

Commands and Procedures to Configure Rotary Groups, Dialer Backups, and Dialer Profiles415

Commands to Verify Proper Dialer Configuration424

DHCP Using a Cisco Router425

Chapter 24 Using X.25 for Remote Access433

Configuring an X.25 WAN Connection between the Central Office and Branch Office434

Specifying Proper X.121 Addresses and Assigning Them to Router Interfaces442

Commands and Procedures to Verify Proper X.25 Configuration451

Chapter 25 Establishing a Dedicated Frame Relay Connection454

Commands and Procedures to Configure Frame Relay455

Commands to Configure Subinterfaces on Virtual Interfaces468

Commands to Configure Frame Relay Traffic Shaping470

Commands and Procedures to Verify Proper Frame Relay Configuration473

Chapter 26 Enabling a Backup to the Permanent Connection477

Configuring a Backup Connection to Activate upon Primary Line Failure478

Configuring a Backup Connection to Activate When the Primary Line Reaches a Specified Threshold482

Configuring a Dialer to Function as Backup to the Primary Interface484

Chapter 27 Managing Network Performance with Queuing and Compression487

Determining the Best Queuing Method to Implement and Verifying Proper Queuing Configuration488

Commands to Configure Weighted Fair, Priority, and Custom Queuing494

Effectively Selecting and Implementing Compression501

Chapter 28 Scaling IP Addresses with Network Address Translation505

How NAT and PAT Operate506

Specitying the Commands and Procedures to Configure NAT and PAT517

Verifying Proper Configuration of NAT and PAT523

Chapter 29 Using TACACS+ and AAA to Scale Access Control527

Describing the Security Features of CiscoSecure and Using TACACS+ and AAA528

Commands and Procedures to Configure AAA537

PART Ⅳ Support543

Chapter 30 IOS Troubleshooting Commands544

Using Cisco IOS Troubleshooting Commands545

Chapter 31 Problem Solving and Support Functions566

Problem-Solving Method567

Troubleshooting Tools570

Cisco Support Functions575

Chapter 32 Troubleshooting TCP/IP580

Troubleshooting TCP/IP Connectivity581

Chapter 33 Troubleshooting600

Problem Isolation for AppleTalk601

Problem Isolation for Serial Links610

Problem Isolation for ISDN BRI624

Problem Isolation for Novell IPX635

Problem Isolation for Catalyst Switches643