A Practical Guide to Advanced Networking (paperback)

A Practical Guide to Advanced Networking, Third Edition takes a pragmatic, hands-on approach to teaching advanced modern networking concepts from the network administrator’s point of view. Thoroughly updated for the latest networking technologies and applications, the book guides you through designing, configuring, and managing campus networks, connecting networks to the Internet, and using the latest  networking technologies. The authors first show how to solve key network design challenges, including data flow, selection of network media, IP allocation, subnetting, and configuration of both VLANs and Layer 3 routed networks. Next, they illuminate advanced routing techniques using RIP/RIPv2, OSPF, IS-IS, EIGRP, and other protocols, and show how to address common requirements such as static routing and route redistribution. You’ll find thorough coverage of configuring IP-based network infrastructure, and using powerful WireShark and NetFlow tools to analyze and troubleshoot traffic. A full chapter on security introduces best practices for preventing DoS attacks, configuring access lists, and protecting  routers, switches, VPNs, and wireless networks. This book’s coverage also includes IPv6, Linux-based  networking, Juniper routers, BGP Internet routing, and Voice over IP (VoIP). Every topic is introduced in clear, easy-to-understand language; key ideas are reinforced with working examples, and hands-on exercises based on powerful network simulation software.

Key Pedagogical Features

• NET-CHALLENGE SIMULATION SOFTWARE  provides hands-on experience with advanced router and switch commands, interface  configuration, and protocols–now  including RIPv2 and IS-IS
• WIRESHARK NETWORK PROTOCOL  ANALYZER TECHNIQUES and EXAMPLES  of advanced data traffic analysis throughout
• PROVEN TOOLS FOR MORE EFFECTIVE LEARNING, including chapter outlines and summaries
• WORKING EXAMPLES IN EVERY  CHAPTER to reinforce key concepts  and promote mastery
• KEY TERMS DEFINITIONS, LISTINGS,  and EXTENSIVE GLOSSARY  to help you master the language of networking
• QUESTIONS, PROBLEMS, and  CRITICAL THINKING QUESTIONS  to help you deepen your understanding

CD-ROM includes Net-Challenge Simulation Software and the Wireshark Network Protocol  Analyzer Software examples.

Jeffrey S. Beasley is with the Department of Engineering Technology and Surveying Engineering at New Mexico State University. He has been teaching with the department since 1988 and is the co-author of Modern Electronic Communication and Electronic Devices and Circuits, and the author of Networking.

Piyasat Nilkaew is a network engineer with 15 years of experience in network management and consulting, and has extensive expertise in deploying and integrating multiprotocol and multivendor data, voice, and video network solutions on limited budgets.

    Introduction xvi

CHAPTER 1 Network Infrastructure Design 2

        Chapter Outline 3

        Objectives 3

        Key Terms 3

    INTRODUCTION 4

    1-1 PHYSICAL NETWORK DESIGN 4

        Core 5

        Distribution Layer 5

        Access Layer 6

        Data Flow 6

        Selecting the Media 6

    1-2 IP SUBNET DESIGN 7

        IP Address Range 8

        Determining the Number of Subnetworks Needed for the Network 9

        Determining the Size or the Number of IP Host Addresses Needed for the Network 11

        IP Assignment 15

    1-3 VLAN NETWORK 16

        Virtual LAN (VLAN) 17

        VLAN Configuration 18

        VLAN Tagging 23

        802.1Q Configuration 25

        Networking Challenge: Static VLAN Configuration 26

        Configuring the HP Procurve Switch 27

    1-4 ROUTED NETWORK 28

        Router 29

        Gateway Address 30

        Network Segments 31

        Multilayer Switch 32

        Layer 3 Routed Networks 33

        Routed Port Configuration 33

        InterVLAN Routing Configuration 35

        Serial and ATM Port Configuration 37

    Summary 44

    Questions and Problems 46

CHAPTER 2 Advanced Router Configuration I 52

        Chapter Outline 53

        Objectives 53

        Key Terms 53

    Introduction 54

    2-1 CONFIGURING STATIC ROUTING 54

        Gateway of Last Resort 61

        Configuring Static Routes 61

        Load Balancing and Redundancy 68

        Networking Challenge–Static Routes 70

    2-2 DYNAMIC ROUTING PROTOCOLS 70

        Distance Vector Protocols 73

        Link State Protocols 74

    2-3 CONFIGURING RIPv2 75

        Configuring Routes with RIP 77

        Configuring Routes with RIP Version 2 82

        Networking Challenge–RIP 84

    2-4 TFTP–Trivial File Transfer Protocol 85

        Configuring TFTP 85

    Summary 89

    Questions and Problems 89

CHAPTER 3 Advanced Router Configuration II 98

        Chapter Outline 99

        Objectives 99

        Key Terms 99

    INTRODUCTION 101

    3-1 CONFIGURING LINK STATE PROTOCOLS–OSPF 101

        Link State Protocols 102

        Configuring Routes with OSPF 103

        Load Balancing and Redundancy with OSPF 109

        Networking Challenge–OSPF 111

    3-2 CONFIGURING LINK STATE PROTOCOLS–IS-IS 112

        Configuring Routes with IS-IS 113

        Load Balancing and Redundancy with IS-IS 117

        Networking Challenge: IS-IS 118

    3-3 CONFIGURING HYBRID ROUTING PROTOCOLS–EIGRP 119

        Configuring Routes with EIGRP 120

        Load Balancing and Redundancy 125

        Networking Challenge: EIGRP 128

    3-4 ADVANCED ROUTING REDISTRIBUTION 129

        Route Redistribution into RIP 130

        Route Redistribution into OSPF 134

        Route Redistribution into EIGRP 137

        Route Redistribution into IS-IS 141

    3-5 ANALYZING OSPF “HELLO” PACKETS 143

    Summary 147

    Questions and Problems 147

CHAPTER 4 Configuring Juniper Routers 158

        Chapter Outline 159

        Objectives 159

        Key Terms 159

    INTRODUCTION 160

    4-1 OPERATIONAL MODE 160

    4-2 ROUTER CONFIGURATION MODE 166

        Displaying the Router Interfaces 166

        Hostname Configuration 167

        Assigning an IP Address to an Interface 168

    4-3 CONFIGURING ROUTES ON JUNIPER ROUTERS 169

        Configure STATIC Routes on Juniper Routers 169

        Configure RIP on Juniper Routers 171

        Configure OSPF on Juniper Routers 173

        Configure IS-IS on Juniper Routers 175

    4-4 CONFIGURING ROUTE REDISTRIBUTION ON JUNIPER ROUTERS 178

    Summary 182

    Questions and Problems 182

CHAPTER 5 CONFIGURING AND MANAGING THE NETWORK INFRASTRUCTURE 188

        Chapter Outline 189

        Objectives 189

        Key Terms 189

    Introduction 190

    5-1 DOMAIN NAME AND IP ASSIGNMENT 190

    5-2 IP MANAGEMENT WITH DHCP 195

        DHCP Data Packets 197

        DHCP Deployment 201

    5-3 SCALING THE NETWORK WITH NAT AND PAT 204

        Configuring NAT 205

    5-4 DOMAIN NAME SERVICE (DNS) 209

        DNS Tree Hierarchy 210

        DNS Resource Records 214

    Summary 220

    Questions and Problems 220

CHAPTER 6 Analyzing Network Data Traffic 226

        Chapter Outline 227

        Objectives 227

        Key Terms 227

    INTRODUCTION 228

    6-1 PROTOCOL ANALYSIS/FORENSICS 228

        Basic TCP/UDP Forensics 234

        ARP and ICMP 236

    6-2 WIRESHARK PROTOCOL ANALYZER 239

        Using Wireshark to Capture Packets 243

    6-3 ANALYZING NETWORK DATA TRAFFIC 244

        Configuring SNMP 244

        NetFlow 250

    6-4 FILTERING 251

        FTP Filtering 256

        Right-Click Filtering Logic Rules 258

        Filtering DHCP 260

    Summary 262

    Questions and Problems 262

CHAPTER 7 Network Security 266

        Chapter Outline 267

        Objectives 267

        Key Terms 267

    INTRODUCTION 268

    7-1 DENIAL OF SERVICE 268

        Distributed Denial of Service Attacks (DDoS) 270

    7-2 FIREWALLS AND ACCESS LISTS 270

        Network Attack Prevention 272

        Access Lists 272

    7-3 Router Security 279

        Router Access 280

        Router Services 282

        Router Logging and Access-List 283

    7-4 Switch Security 285

        Switch Port Security 286

        Switch Special Features 288

    7-5 Wireless Security 289

    7-6 VPN Security 292

        VPN Tunneling Protocols 293

        Configuring a VPN Virtual Interface (Router to Router) 294

        Troubleshooting the VPN Tunnel Link 299

    Summary 302

    Questions and Problems 302

CHAPTER 8 IPv6 306

        Chapter Outline 307

        Objectives 307

        Key Terms 307

    Introduction 308

    8-1 Comparison of IPv6 and IPv4 308

    8-2 IPV6 ADDRESSING 311

    8-3 IPv6 Network Settings 315

    8-4 Configuring a Router for IPv6 320

    8-5 IPv6 Routing 324

        IPv6: Static 324

        IPv6: RIP 324

        IPv6: OSPF 325

        IPv6: EIGRP 325

        IPv6: IS-IS 326

    8-6 Troubleshooting IPv6 Connection 327

    Summary 329

    Questions and Problems 329

CHAPTER 9 Linux Networking 336

        Chapter Outline 337

        Objectives 337

        Key Terms 337

    INTRODUCTION 338

    9-1 LOGGING ON TO LINUX 339

        Adding a User Account 340

    9-2 LINUX FILE STRUCTURE AND FILE COMMANDS 344

        Listing Files 344

        Displaying File Contents 346

        Directory Operations 348

        File Operations 351

        Permissions and Ownership 353

    9-3 LINUX ADMINISTRATION COMMANDS 357

        The man (manual) Command 358

        The ps (processes) Command 359

        The su (substitute user) Command 362

        The mount Command 362

        The shutdown Command 364

        Linux Tips 364

    9-4 ADDING APPLICATIONS TO LINUX 365

    9-5 LINUX NETWORKING 371

        Installing SSH 375

        The FTP Client 376

        DNS Service on Linux 376

        Changing the Hostname 377

    9-6 TROUBLESHOOTING SYSTEM AND NETWORK PROBLEMS WITH LINUX 378

        Troubleshooting Boot Processes 378

        Listing Users on the System 380

        Network Security 382

        Enabling and Disabling Boot Services 382

    9-7 MANAGING THE LINUX SYSTEM 385

    Summary 390

    Questions and Problems 391

CHAPTER 10 Internet Routing 396

        Chapter Outline 397

        Objectives 397

        Key Terms 397

    INTRODUCTION 398

    10-1 INTERNET ROUTING–BGP 398

        Configuring a WAN Connection 398

        Configuring an Internet Connection 400

    10-2 CONFIGURING BGP 401

        Configuring BGP 401

        Networking Challenge: BGP 409

    10-3 BGP BEST PATH SELECTION 410

    10-4 IPv6 OVER THE INTERNET 412

    10-5 CONFIGURE BGP ON JUNIPER ROUTERS 415

    Summary 421

    Questions and Problems 421

CHAPTER 11 Voice over IP 428

        Chapter Outline 429

        Objectives 429

        Key Terms 429

    INTRODUCTION 430

    11-1 THE BASICS OF VOICE OVER IP 430

    11-2 VOICE OVER IP NETWORKS 433

        Replacing an Existing PBX Tie Line 433

        Upgrading Existing PBXs to Support IP Telephony 435

        Switching to a Complete IP Telephony Solution 436

    11-3 QUALITY OF SERVICE 438

        Jitter 438

    Network Latency 439

        Queuing 439

        QOS Configuration Example 440

    11-4 ANALYZING VoIP DATA PACKETS 442

        Analyzing VoIP Telephone Call Data Packets 446

    11-5 VoIP SECURITY 449

    Summary 452

    Questions and Problems 452

Key Terms Glossary 456

TOC, 9780789749048, 10/12/2012

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