CCNP：Remote Access学习指南（英文原版）

Introduction

Assessment Test

Chapter 1 Cisco Solutions for Remote Access

What Is Remote Access?

WAN Connection Types

WAN Encapsulation Protocols

Selecting a WAN Protocol

Choosing Remote Connection Cisco Products

Fixed Interfaces

Modular Interfaces

Product Selection Tools

Cabling and Assembling the WAN

Internetworking Overview and Remote Access Interface Options

Identifying COmpany Site Equipment

Verifying a Network Installation

Summary

Key Terms

Commands in This Chapter

Written Lab

Hands-on Labs

Review Questions

Answers to Written Lab

Answers to Review Questions

Chapter 2 Asynchronous Connections

Asynchronous Modems

Signaling and Cabling

Modulation Standards

Configuring Asynchronous Modem Connections

Automatic Configuration

Manual Configuration

Summary

Key Terms

Commands in This Chapter

Written Lab

Hands-on Lab

Review Questions

Answers to Written Lab

Answers to Review Questions

Chapter 3 Point-to-Point Protocol

PPP Overview and Architecture

The Flag Field

The Address Field

The Control Field

The Protocol Field

The Information Field

The Frame Check Sequence(FCS) Field

Configuring Access Servers

Configuring PPP

Dedicated or Interactive PPP

Interface Addressing Options for Local Devices

PAP and CHAP Authentication

Password Authentication Protocol(PAP)

Challenge Handshake Authentication Protocol(CHAP)

PPP Callback

PPP Compression and Multilink

Compression Configuration

Multilink Configuration

Verifying and Troubleshooting PPP

The debug ppp authentication Command

The debug ppp negotiation Command

The debug ppp packet Command

Summary

Key Terms

Commands in This Chapter

Written Lab

Hands-on Lab

Lab 3.1:PPP and DHCP Configuration

Review Questions

Answers to Written Lab

Answers to Review Questions

Chapter 4 Using Microsoft Windows 95/98

Reasons to Use Dial-Up Networking

Configuring Dial-Up Networking with Windows 95/98

Configuring a Dial-Up Connection Client

Dial-Up Networking Application

Make New Connection Wizard

Connection Properties

Additional Configuration Options

Lock DTE Speed

Launch Terminal Windows

Verifying a Dial-Up Connection

Summary

Key Terms

Commands in This Chapter

Written Lab

Hands-on Lab

Review Questions

Answers to Written Lab

Answers to Review Questions

Chapter 5 Integrated Services Digital Network(ISDN)

What Is Integrated Services Digital Network(ISDN)?

ISDN Line Options

Basic Rate Interface(BRI)

Primary Rate Interface(PRI)

ISDN Function Groups

ISDN Reference Points

ISDN Protocols

LAPD Frames

Layer 2 Negotiation

ISDN Call Setup and Teardown

ISDN Configuration

The Old Way versus the New Way

Authentication

Password Authentication Protocol(PAP)

Challenge-Handshake Authentication Protocol(CHAP)

The Authentication Process

Dial-on-Demand Routing(DDR)

Configuring DDR

Configuring the Static Routes

Specifying Interesting Traffic

Configuring the Dialer Information

Optional Commands

DDR with Access Lists

Verifying the ISDN Operation

Dial Bacdup

Setting Up Dial Backup

Testing the Backup

Bandwidth on Demand

Channelized T1/E1(PRI)

Configuring ISDN PRI

Configuring E1

Summary

Key Terms

Commands in This Chapter

Written Lab

Hands-on Labs

Lab 5.1:DDR

Lab 5.2:Configuring PRI and BRI

Review Questions

Answers to Written Lab

Answers to Review Questions

Chapter 6 Cisco 700 Series

700 Series Overview

Features of the 700 Series

Routing and WAN Features

ISDN and Telephony Features

Profiles

Configuring the 700 Series

Cisco 700 Help

Configuring Output

ISDN Switch Type Commands

System-Level Configuring Commands

LAN Profile

Creating a User Profile

PPP Callback

IP Traffic with CHAP between a 700 Series and an IOS-based Router

Dynamic Host Control Protocol

Port Address Translation(PAT)

Troubleshooting the 700 Series

Monitoring IP Routing

Summary

Key Terms

Commands in This Chapter

Written Lab

Hands-on Lab

Review Questions

Answers to Written Lab

Answers to Review Questions

Chapter 7 X.25 and LAPB

The Basics of X.25

X.25 at the Network Layer

X.25 and LAPB at the Data Link Layer

X.25 at the Physical Layer

X.25 Virtual Circuits

Configuring X.25

Configuring X.25 Encapsulation Types

Configuring an SVC

Configuring a PVC

Configuring an X.25 Virtual Circuit Range

Default Inbound and Outbound Packet Sizes

Configuring Windows Sizes

Verifying X.25 Configuration

X.25 Troubleshooting

The Show Interface Serial Command

Debug Command

Misconfigured x25 map Commands

Summary

Key Terms

Commands in This Chapter

Written Lab

Hands-on Lab

Review Questions

Answers to Written Lab

Answers to Review Questions

Chapter 8 Frame Relay

What Is Frame Relay?

A Brief History of Frame Relay

Frame Relay Virtual Circuits

Switched Virtual Circuits

Permanent Virtual Circuits

Data Link Connection Identifier(DLCI)

DLCI Mapping

Frame Relay Local Management Interface(LMI)

Configuring Frame Relay

Frame Relay Congestion Control

Factors Affecting Performance

Congestion Handling by Frame Relay Switches

Congestion Handling by Routers

Point-to-Point and Multipoint Interfaces

Verifying Frame Relay

The show frame-relay pvc Command

The show frame-relay map Command

The show frame-relay lmi Command

The show frame-relay lmi Command

The debug frame-relay lmi Command

Frame Relay Switching

Frame Relay Switching Commands

Frame Relay Traffic Shaping

Configuring Traffic Shaping

Summary

Key Terms

Commands in This Chapter

Written Lab

Hands-on Labs

Lab 8.1:Configuring Frame Relay with Subinterfaces

Lab 8.2:Frame Relay Traffic Shaping

Review Questions

Answers to Written Lab

Answers to Review Questions

Chapter 9 Queuing and Compression

Queuing

Traffic Prioritization

Queuing Policy

IOS Queuing Options

Weighted Fair Queuing

Priority Queuing

Custom Queuing

Compression

TPC Header Compression

Payload Compression

Link Compression

Compression Considerations

Summary

Key Terms

Commands in This Chapter

Written Lab

Hands-on Lab

Review Questions

Answers to Written Lab

Answers to Review Questions

Chapter 10 Network Address Translation(NAT) and Port Address Translation(PAT)

Understanding Network Address Translation(NAT)

NAT Terminology

How NAT Works

The Advantages of NAT

The Disadvantages of NAT

NAT Traffic Types

NAT Operations

Translating Inside Local Addresses

Overloadign Inside Global Addresses

Using TPC Load Distribution

Overlagpping Networks

Configuring NAT

Configuring Static NAT

Configuring Dynamic NAT,Inside Global Address

Overloading,and TCP Load Distribution

Configuring NAT to Perform Overlapping Address Translation

Verifying NAT Configuration

Troubleshooting NAT

Clearing NAT Translation Entries

Port Address Translation (PAT)

Disadvantages to PAT

Configuring PAT

Monitoring PAT

Summary

Key Terms

Commands in This Chapter

Written Lab

Hands-on Lab

Review Questions

Answers to Written Lab

Answers to Review Questions

Chapter 11 Centralized Security in Remote Access Networks

Security Terminology

Cisco Access Control Solutions

CiscoSecure

Authentication,Authorization,and Accounting

How AAA Works

Router Access Modes

Character Mode Connections

Packet Mode Connections

Configuring AAA

Authentication Configuration

Authorization Configuration

Accounting Configuration

Virtual Profiles

Summary

Key Terms

Commands in This Chapter

Written Lab

Hands-on Lab

Lab 11.1 Configuring TACACS+

Review Questions

Answers to Written Lab

Answers to Review Questions

Appendix A Practice Exam

Practice Exam Questions

Answers to Practice Exam

Appendix B Commands in This Study Guide

Appendix C References

Web-Based Resources

WAN Technologies

Operating Systems

Other Resources

Certification Study Groups

Users Groups

Standards Organizations

Job Search Web Sites

Hands-on Schooling

RFCs

Clossary