Networking, 2nd Edition

Description

• Copyright 2009
• Edition: 2nd

• Book
• ISBN-10: 0-13-135838-3
• ISBN-13: 978-0-13-135838-6

Networking

Second Edition

Jeffrey S. Beasley

This text provides a comprehensive look at computer networking from the point of view of the network administrator. It guides readers from an entry-level knowledge in computer networks to advanced concepts in Ethernet networks; router configuration; TCP/IP networks; local-, campus-, and wide-area network configuration; network security; optical networks; voice over IP; and industrial networks. Extensive examples on the Windows Server 2003/2008 configuration and system configuration for the Linux operating system are also included. A complete chapter is devoted to protecting and securing a network from potential network attacks. Topics include denial of service attacks, firewalls, intrusion detection, password cracking, packet sniffing, and analyzing unsecured data packets. Other key network security issues, such as configuring router access lists, configuring a virtual private network (VPN) connection, and securing wireless networks, are also covered. Router configuration is examined, ranging from an introduction to router configuration to configuring multiple routing protocols for intranet and Internet data traffic. Routing protocols key to basic network operations are examined, including static, RIP, IGRP, OSPF, EIGRP, and BGP. The discussions on routing protocols are accompanied with in-depth steps for configuring the router to run the protocol, verify operation, and troubleshoot the router.

Key Pedagogical Features

• NET-CHALLENGE SOFTWARE provides a simulated, hands-on experience in configuring routers and switches. Exercises provided in the text and on the CD challenge readers to undertake certain router/switch network configuration tasks. The software has the look and feel of actually being connected to the router or switch console port.
• PROTOCOL ANALYZER SOFTWARE included with the text uses the Finisar Surveyor Demo. Examples of using the software to analyze data traffic are included throughout the text.
• ACCOMPANYING CD-ROM includes the Finisar Surveyor Demo software and captured data traffic used in the text, which enables readers to capture data traffic on their own networks.
• CONFIGURING, ANALYZING, or TROUBLESHOOTING sections are included with each chapter to guide the reader through advanced techniques in networking.
• OBJECTIVES and INTRODUCTION at the beginning of each chapter clearly outline specific goals for the reader.
• EXTENSIVE PROBLEM SETS, SUMMARIES, and QUESTIONS AND PROBLEMS (including Critical Thinking questions) are found at the end of each chapter.
• KEY TERMS and their definitions are highlighted in the margins to foster inquisitiveness and ensure retention.

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Table of Contents

Chapter 1 Introduction to Computer Networks

1-1 INTRODUCTION 5

1-2 NETWORK TOPOLOGIES 5

1-3 THE ETHERNET LAN

    IP (Internet Protocol) Addressing

1-4 ASSEMBLING A HOME NETWORK

    Securing the Home Network

    IP Addressing in the Home Network

1-5 ASSEMBLING AN OFFICE LAN

1-6 TESTING AND TROUBLESHOOTING A LAN

1-7 ANALYZING COMPUTER NETWORKS

Summary

Questions and Problems

Chapter 2 Physical Layer Cabling: Twisted Pair

2-1 INTRODUCTION

2-2 STRUCTURED CABLING

    Horizontal Cabling

2-3 UNSHIELDED TWISTED-PAIR CABLE

    Shielded Twisted-pair Cable

2-4 TERMINATING CAT6/5E/5 UTP CABLES

    Computer Communication

    Straight-through and Crossover Patch Cables

2-5 CABLE TESTING AND CERTIFICATION

    Testing the CAT6 Link

2-6 10 Gigabit Ethernet over Copper

    Overview

    Alien Crosstalk (AXT)

    Signal Transmission

2-7 TROUBLESHOOTING COMPUTER NETWORKS

    Installation

    Cable Stretching

    Cable Failing to Meet Manufacturer Specifications

    CAT5e Cable Test Examples

Summary

Questions and Problems

Chapter 3 Computer Fundamentals

3-1 INTRODUCTION

3-2 THE COMPUTER BUS CONNECTION

    Motherboard Bus Connections

3-3 DEVICE DRIVERS

    Verifying Device Drivers on Windows Vista/XP

    Verifying Device Drivers on Mac OS X

3-4 COMPUTER MEMORY

    Types of Memory

3-5 AN OVERVIEW OF FAT AND NTFS

    FAT

    FAT32

    NTFS

3-6 CONFIGURING THE BIOS BOOT SEQUENCE

Summary

Questions and Problems

Chapter 4 Interconnecting the LANs

4-1 INTRODUCTION

4-2 THE OSI MODEL

4-3 THE NETWORK BRIDGE

4-4 THE NETWORK SWITCH

    Hub–Switch Comparison

    Managed Switches

    Multilayer Switches

4-5 THE ROUTER

    The Router Interface: Cisco 2800 Series

    The Router Interface—Cisco 2600 Series

    The Router Interface—Cisco 2500 Series

4-6 INTERCONNECTING LANS WITH THE ROUTER

    Gateway Address

    Network Segments

4-7 CONFIGURING THE NETWORK INTERFACE—AUTONEGOTIATION

    Auto-Negotiation Steps

    Full Duplex/Half Duplex

Summary

Questions and Problems

Chapter 5 TCP/IP

5-1 INTRODUCTION

5-2 THE TCP/IP LAYERS

    The Application Layer

    The Transport Layer

    The Internet Layer

    The Network Interface Layer

5-3 NUMBER CONVERSION

    Binary-Decimal Conversion

    Decimal-Binary Conversion

    Hexadecimal Numbers

5-4 IPV4 ADDRESSING

    Private IP Addresses

    IP Address Assignment

5-5 SUBNET MASKS

5-6 CIDR BLOCKS

5-7 IPV6 ADDRESSING

5-8 ANALYZING COMPUTER NETWORKS—FTP DATA PACKETS

Summary

Questions and Problems

Chapter 6 Introduction to Router Configuration

6-1 INTRODUCTION

6-2 ROUTER FUNDAMENTALS

    Layer 3 Networks

6-3 THE CONSOLE PORT CONNECTION

    Configuring the HyperTerminal Software (Windows)

    Configuring the Z-Term Serial Communications Software (Mac)

6-4 THE ROUTER'S USER EXEC MODE (ROUTER>)

    The User EXEC Mode

    Router Configuration Challenge—The User EXEC Mode

6-5 THE ROUTER'S PRIVILEGED EXEC MODE (ROUTER#)

    Hostname

    Enable Secret

    Setting the Line Console Passwords

    Fast Ethernet Interface Configuration

    Serial Interface Configuration

    Router Configuration Challenge—The Privileged EXEC Mode

6-6 TROUBLESHOOTING THE ROUTER INTERFACE

Summary

Questions and Problems

Chapter 7 Routing Protocols

7-1 INTRODUCTION

7-2 STATIC ROUTING

    Gateway of Last Resort

    Configuring Static Routes

    Networking Challenge—Static Routes

7-3 DYNAMIC ROUTING PROTOCOLS

    Distance Vector Protocols

    Link State Protocols

7-4 RIP—ROUTING INFORMATION PROTOCOL

    Configuring Routes with RIP

    Networking Challenge—RIP

7-5 IGRP—INTERIOR GATEWAY ROUTING PROTOCOL

    Configuring Routes with IGRP

    Networking Challenge—IGRP

7-6 OSPF—OPEN SHORTEST PATH FIRST ROUTING PROTOCOL

    Configuring Routes with OSPF

    Networking Challenge—OSPF

7-7 EIGRP—ENHANCED INTERIOR GATEWAY ROUTING PROTOCOL

    Configuring Routes with EIGRP

    Networking Challenge—EIGRP

7-8 CONFIGURING A JUNIPER ROUTER

    Operational Mode

    Router Configuration Mode

    Displaying the Router Interfaces

    Hostname Configuration

    Assigning an IP Address to an Interface

    Static Route

    RIP Configuration

    OSPF Configuration

7-9 TFTP—Trivial File Transfer Protocol

    Configuring TFTP

    Networking Challenge—TFTP

7-10 ANALYZING OSPF "HELLO" PACKETS

Summary

Questions and Problems

Chapter 8 Wide Area Networking

8-1 INTRODUCTION

8-2 THE LINE CONNECTION

    Data Channels

    Point of Presence

    T1 Framing

    Line Coding Formats

8-3 FRAME RELAY

    Establishing a Frame Relay Connection

    Configuring Frame Relay Point-to-Point on the Router

    Networking Challenge—Frame Relay

8-4 ATM

    Establishing the ATM Connection

8-5 DIAL-IN ACCESS

    Analog Modem Technologies

    Cable Modems

    ISDN

    xDSL Modems

    The Remote Access Server

8-6 VPN

    Configuring a VPN Virtual Interface (Router to Router)

    Troubleshooting the VPN Tunnel Link

    Configuring a VPN Server

    Configuring a Remote Client's VPN Connection

8-7 WIDE AREA NETWORK ROUTING

8-8 INTERNET ROUTING

    Configuring BGP

    Networking Challenge—BGP

8-9 ANALYZING INTERNET DATA TRAFFIC

    Utilization/Errors Strip Chart

    Network Layer Matrix

    Network Layer Host Table

    Frame Size Distribution

Summary

Questions and Problems

Chapter 9 Configuring and Managing the Campus Network

9-1 INTRODUCTION

9-2 DESIGNING THE CAMPUS NETWORK

    Core Layer

    Distribution Layer

    Access Layer

    Data Flow

    Selecting the Media

    Load Balancing

9-3 IP ASSIGNMENT AND DHCP

    The DHCP Data Packets

9-4 NETWORK SERVICES—DNS

    Campus DNS

9-5 NETWORK MANAGEMENT

    Configuring SNMP

    Power over Ethernet (PoE)

9-6 Switch/VLAN Configuration

    Virtual LAN (VLAN)

    Switch Configuration

    Hostname

    Enable Secret

    Setting the Line Console Passwords

    Static VLAN Configuration

    Networking Challenge—Static VLAN Configuration

    Spanning-Tree Protocol

9-7 ANALYZING CAMPUS NETWORK DATA TRAFFIC

Summary

Questions and Problems

Chapter 10 Network Security

10-1 INTRODUCTION

10-2 INTRUSION (HOW AN ATTACKER GAINS CONTROL OF A NETWORK)

    Social Engineering

    Password Cracking

    Packet Sniffing

    Vulnerable Software

    Viruses and Worms

    Wireless Vulnerabilities

10-3 DENIAL OF SERVICE

    Distributed Denial of Service Attacks (DDoS)

10-4 FIREWALLS AND ACCESS LISTS

    Attack Prevention

10-5 INTRUSION DETECTION

10-6 ANALYZING UNSECURED DATA PACKETS

Summary

Questions and Problems

Chapter 11 Wireless Networking

11-1 INTRODUCTION

11-2 THE IEEE 802.11 WIRELESS LAN STANDARD

11-3 802.11 WIRELESS NETWORKING

11-4 Bluetooth, WiMAX, and RFID

    Bluetooth

    WiMAX

    RFID (Radio Frequency Identification)

11-5 SECURING WIRELESS LANS

11-6 CONFIGURING A POINT-TO-MULTIPOINT WIRELESS LAN: A CASE STUDY

    1. Antenna Site Survey

    2. Establishing a Point-to-Point Wireless Link to the Home Network

    3–4. Configuring the Multipoint Distribution/Conducting an RF Site Survey

    5. Configuring the Remote Installations

Summary

Questions and Problems

Chapter 12 Optical Networking

12-1 INTRODUCTION

12-2 THE NATURE OF LIGHT

    Graded-Index Fiber

    Single-Mode Fibers

12-3 FIBER ATTENUATION AND DISPERSION

    Attenuation

    Dispersion

    Dispersion Compensation

12-4 OPTICAL COMPONENTS

    Intermediate Components

    Detectors

    Fiber Connectorization

12-5 OPTICAL NETWORKING ARCHITECTURES

    Defining Optical Networking

    Building Distribution

    Campus Distribution

12-6 SYSTEM DESIGN AND OPERATIONAL ISSUES

12-7 SAFETY

12-8 TROUBLESHOOTING COMPUTER NETWORKS (THE OTDR)

Summary

Questions and Problems

Chapter 13 Voice over IP

13-1 INTRODUCTION

13-2 THE BASICS OF VOICE OVER IP

13-3 VOICE OVER IP NETWORKS

    Replacing an Existing PBX Tie Line

    Upgrading Existing PBXs to Support IP Telephony

    Switching to a Complete IP Telephony Solution

13-4 QUALITY OF SERVICE

    Jitter

    Network Latency

    Queuing

13-5 ANALYZING VoIP DATA PACKETS

    Analyzing VoIP Telephone Call Data Packets

Summary

Questions and Problems

Chapter 14 The Network Server

14-1 INTRODUCTION

    Network Definitions

    Network Types

    Server Types

    Adding the Network Server

14-2 INSTALLING AND CONFIGURING THE NETWORK SERVER

    Creating a Server Domain (Windows 2003 Server)

    Configuring Windows 2008 Server

    Configuring the IP Address

14-3 ADDING COMPUTERS, USERS, AND GROUPS

    Adding Computers to the Windows 2008/2003 Server Domain

    Adding Users to the Windows 2008/2003 Server Domain

    Adding Organizational Units and Groups to the Windows 2008/2003 Server Domain

14-4 SETTING GROUP PERMISSIONS AND POLICIES

    2008 Server: Setting Domain Policies

    2003 Server: Setting Domain Policies

14-5 VERIFYING "NETWORK" AND "MY NETWORK PLACES" IN WINDOWS-BASED PCS

    "Network," Windows Vista

    "My Network Places" on Windows XP

    "My Network Places" on Windows 2000

    "Network Neighborhood" for Windows NT and 98

14-6 CONFIGURING THE NETWORK SERVER'S ACCOUNT LOCKOUT POLICY

Summary

Questions and Problems

Chapter 15 Linux Networking

15-1 INTRODUCTION

15-2 LOGGING ON TO LINUX

    Adding a User Account

15-3 LINUX FILE STRUCTURE AND FILE COMMANDS

    Listing Files

    Displaying File Contents

    Directory Operations

    File Operations

    Permissions and Ownership

15-4 LINUX ADMINISTRATION COMMANDS

    The man (manual) Command

    The ps (processes) Command

    The su (substitute user) Command

    The mountCommand

    The shutdown Command

    Linux Tips

15-5 ADDING APPLICATIONS TO LINUX

15-6 LINUX NETWORKING

    Installing SSH

    The ftp Client

    The ftp Server

    DNS Service on Linux

    Changing the Hostname

15-7 TROUBLESHOOTING SYSTEM AND NETWORK PROBLEMS WITH LINUX

    Troubleshooting Boot Processes

    Listing Users on the System

    Network Security

    Enabling and Disabling Boot Services

15-8 MANAGING THE LINUX SYSTEM

Summary

Questions and Problems

Chapter 16 Industrial Networks

16-1 INTRODUCTION

16-2 OVERVIEW OF INDUSTRIAL NETWORKS

    Characteristics of Industrial Networks

16-3 INDUSTRIAL ETHERNET

    Achieving Determinism

    Topology

    Switching

    Cabling and Components

16-4 INDUSTRIAL ETHERNET PROTOCOLS

    Ethernet/IP

    Foundation Fieldbus High-Speed Ethernet (HSE)

    Profinet

    Interface for Distributed Automation (IDA)

    Manufacturing Message Specification (MMS)

    Modbus TCP

16-5 LEGACY DEVICE AND CONTROLLER LEVEL BUSES

    Open Buses

    Proprietary Buses

Summary

Questions and Problems

Glossary

0131358383   TOC   8/4/2008

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