Cisco.Press.BCRAN.2.1.pdf

BCRAN

Building Cisco

Remote Access

Networks

Version 2.1

Student Guide

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Table of Contents

Volume 1

Course Introduction

Overview

Course Objectives

Course Activities

Cisco Certifications

Learner Skills and Knowledge

Learner Responsibilities

General Administration

Course Flow Diagram

Icons and Symbols

Learner Introductions

WAN Technologies and Components

1-1

Overview

1-1

Objectives

1-1

Outline

1-1

Defining WAN Connection Types

1-3

Overview

1-3

Relevance

1-3

Learner Skills and Knowledge

1-3

Outline

1-4

WAN Connection Characteristics

1-5

Common WAN Connection Types

1-7

Dedicated Circuit-Switched Connections

1-8

On-Demand Circuit-Switched Connections

1-10

ISDN Connections

1-12

Packet-Switched Virtual Connections

1-13

Broadband Access

1-15

Summary

1-16

Quiz

1-17

Quiz Answer Key

1-19

Defining WAN Encapsulation Protocols

1-21

Overview

1-21

Relevance

1-21

Objectives

1-21

Learner Skills and Knowledge

1-21

Outline

1-22

WAN Encapsulation Protocols

1-23

Frame Relay Encapsulations

1-27

Summary

1-28

Quiz

1-29

Quiz Answer Key

1-30

Determining the WAN Type to Use

1-31

Overview

1-31

Objectives

1-31

Learner Skills and Knowledge

1-32

Outline

1-32

WAN Connection Types

1-33

Outline

Objectives

1-3

PPP Encapsulation

1-25

Relevance

1-31

WAN Connection Speed Comparison

1-35

WAN Connection Summary

1-36

Site Requirements

1-37

Central Site Considerations

1-39

Central Site Router Equipment

1-41

Branch Office Router Equipment

1-42

SOHO Site Considerations

1-45

SOHO Site Router Equipment

1-46

Summary

1-47

Quiz

1-48

Quiz Answer Key

1-50

Selecting Cisco Products for Remote Connections

1-51

Overview

1-51

Objectives

1-51

Learner Skills and Knowledge

1-51

Outline

1-52

Cisco Remote Access Solutions

1-53

Interfaces: Fixed Interface

1-55

Interfaces: Modular Interface

1-56

Network Cabling and Assembly

1-57

Verification of Network Installation

1-59

Verification of Branch Office Installation

1-61

Verification of SOHO Installation

1-63

Products with Cisco Product Selection Tools

1-65

Summary

1-66

Next Steps

1-66

Quiz

1-67

Quiz Answer Key

1-69

Supporting Asynchronous Modems

2-1

Overview

2-1

Objectives

2-1

Connecting and Operating Modems

2-3

Overview

2-3

Relevance

2-3

Learner Skills and Knowledge

2-3

Outline

2-4

Modem Connections and Operation

2-5

The DTE-DCE Interface

2-6

Modem Signaling Data

2-7

Modem Signaling Control

2-8

Modem Control Example

2-9

Modem Operation

2-10

DTE-to-DTE Wiring

2-11

RJ-45 Wiring and Cables

2-12

Working Connections

2-13

Error Control and Data Compression Standards

2-15

Modem Modulation and Standards

2-16

Modem Speed and Compression

2-18

Theoretical Speeds

2-19

Building Cisco Remote Access Networks (BCRAN) v2.1

Branch Office Considerations

1-44

Relevance

1-51

Outline

2-1

Objectives

2-3

Summary

2-20

Quiz

2-21

Quiz Answer Key

2-24

Configuring Modems

2-25

Overview

2-25

Objectives

2-25

Learner Skills and Knowledge

2-25

Outline

2-26

Modem Connections

2-27

EXEC Connection Commands

2-29

Sample Output for the show line Command

2-31

Line Types and Numbering

2-33

Interface Asynchronous and Line Configuration

2-34

Basic Modem Configuration

2-35

Standard Modem Commands

2-37

Nonstandard Modem Commands

2-38

Modem Initialization Strings

2-39

Summary

2-40

Quiz

2-41

Quiz Answer Key

2-43

Autoconfiguring Modems

2-45

Overview

2-45

Relevance

2-45

Learner Skills and Knowledge

2-45

Outline

2-46

Modem Autoconfiguration

2-47

Automatic Modem Configuration

2-48

Modem Autodiscovery

2-49

Modem Autoconfiguration: Configuring

2-51

Modem Autodiscovery: Configuring

2-52

Known Modem Initialization String

2-53

Modemcap Database

2-54

Modemcap Database Management

2-55

Modemcap Entries: Viewing

2-56

Custom Modemcap Entry: Creating and Editing

2-57

Custom Modemcap Entry: Viewing

2-58

Summary

2-59

Quiz

2-60

Quiz Answer Key

2-62

Verifying and Debugging Modem Autoconfiguration

2-63

Overview

2-63

Relevance

2-63

Objectives

2-63

Learner Skills and Knowledge

2-63

Outline

2-64

Verification of Modem Autoconfiguration Operation

2-66

Chat Scripts for Asynchronous Lines

2-67

Summary

2-69

Next Steps

2-69

Quiz

2-70

Quiz Answer Key

2-71

Building Cisco Remote Access Networks (BCRAN) v2.1

iii

Relevance

2-25

Objectives

2-45

Modem Autoconfiguration Troubleshooting

2-65

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