The All-New Switch Book: The Complete Guide to LAN Switching Technology

The All-New Switch Book: The Complete Guide to LAN Switching Technology, Second Edition......Page 5
 Credits......Page 9
 Contents......Page 11
 Preface......Page 25
  Who Should Read This Book......Page 26
  Organization of the Book......Page 27
  A Few Words from the Authors......Page 30
  The Laws of Networking......Page 31
  A Word of Thanks from Jim......Page 32
  Contact the Author......Page 33
 Part I: Foundations of LAN Switches......Page 35
  Chapter 1: Laying the Foundation......Page 37
   1.1 Network Architecture......Page 38
   1.2 Addressing......Page 53
   1.3 LAN Technology Review......Page 61
   1.4 IEEE LAN Standards......Page 82
   1.5 Terminology......Page 89
   2.1 Principles of Operation......Page 97
   2.2 Transparent Bridge Architecture......Page 108
   2.3 Implementing the Bridge Address Table......Page 118
   2.4 Bridge Performance......Page 129
   2.5 The IEEE 802.1D Standard......Page 132
  Chapter 3: Bridging Between Technologies......Page 139
   3.1 Bridging the LAN Gap......Page 140
   3.2 Bridging Between Local and Wide Area Networks......Page 171
   4.1 A Switch Is a Bridge Is a Switch......Page 181
   4.2 Switched LAN Concepts......Page 182
   4.3 Cut-Through Versus Store-and-Forward Operation......Page 187
   4.4 MultiLayer Switching......Page 192
   4.5 A Switch Is a Switch Is a Switch Except When......Page 210
   4.6 Four Generations of Switch Integration......Page 211
   4.7 Switch Configurations......Page 216
   4.8 Switch Application Environments......Page 222
   5.1 Diary of a Loopy LAN......Page 235
   5.2 The Spanning Tree Protocol......Page 239
   5.3 Rapid Spanning Tree Protocol......Page 263
   5.4 Loops in a Remotely Bridged (WAN) Catenet......Page 271
   5.5 An Example of Loop Resolution......Page 276
   5.6 Behavior of a Spanning Tree Catenet......Page 279
   5.7 Configuring the Spanning Tree......Page 282
   5.8 Up a Tree Without a Protocol?......Page 286
  Chapter 6: Source Routing......Page 289
   6.1 Overview of Source Routing Operation......Page 290
   6.2 Eine Kleine Sourceroutinggeschichte......Page 291
   6.3 Source Routing Concepts......Page 293
   6.4 Source-Routed Frames......Page 301
   6.5 Source Routing Operation......Page 308
   6.6 Interconnecting the Source-Routed and Transparently Bridged Universes......Page 323
   6.8 The Future of Source Routing......Page 335
 Part II: Advanced LAN Switch Concepts......Page 337
   7.1 Why a MAC?......Page 339
   7.2 Full Duplex Enablers......Page 341
   7.3 Full Duplex Ethernet......Page 345
   7.4 Dedicated Token Ring......Page 351
   7.5 Implications of Full Duplex Operation......Page 353
   7.6 Full Duplex Application Environments......Page 357
   8.1 The Need for Flow Control......Page 361
   8.2 Controlling Flow in Half Duplex Networks......Page 367
   8.3 MAC Control......Page 375
   8.4 PAUSE Function......Page 378
   8.5 IEEE 802.3x Flow Control Implementation Issues......Page 384
   8.6 Flow Control Symmetry......Page 392
  Chapter 9: Link Aggregation......Page 395
   9.1 Link Aggregation Benefits......Page 396
   9.2 Application of Link Aggregation......Page 398
   9.3 Aggregate or Upgrade?......Page 401
   9.4 Issues in Link Aggregation......Page 402
   9.5 IEEE 802.3ad Link Aggregation Standard......Page 422
   9.6 Split Up the Trunk......Page 444
   10.1 Multicast Usage......Page 447
   10.2 Trimming the (Spanning) Tree......Page 454
   10.3 GARP Multicast Registration Protocol......Page 458
  Chapter 11: Virtual LANs: Applications and Concepts......Page 467
   11.1 Applications of VLANs......Page 468
   11.2 VLAN Concepts......Page 477
  Chapter 12: Virtual LANs: The IEEE Standard......Page 509
   12.1 Overview and Scope of the Standard......Page 511
   12.2 Elements of the Standard......Page 512
   12.3 Tag and Frame Formats......Page 514
   12.4 IEEE 802.1Q Switch Operation......Page 531
   12.6 VLANs and the Spanning Tree......Page 542
   12.7 The Multiple Spanning Tree Protocol......Page 545
   13.1 Why Priority?......Page 551
   13.2 LAN Priority Mechanisms......Page 553
   13.3 VLAN and Priority Tagging......Page 559
   13.4 Getting into the Priority Business......Page 560
   13.5 Priority Operation in Switches......Page 563
  Chapter 14: LAN Security......Page 581
   14.1 Network Security Overview......Page 582
   14.2 LAN Security......Page 589
   14.3 Wrap Up......Page 597
  Chapter 15: Switch Management......Page 599
   15.1 The Simple Network Management Protocol......Page 600
   15.2 Network Monitoring Tools......Page 611
   15.3 Internal Switch Management Platforms......Page 632
   15.4 Non-SNMP Management......Page 635
  Chapter 16: Network Troubleshooting Strategies......Page 643
   16.1 The Trouble with Troubleshooting......Page 644
   16.2 Housekeeping......Page 645
   16.3 Troubleshooting Tools......Page 648
   16.4 A Systematic Approach......Page 658
   16.5 Some Strategies for Layer 2 Troubleshooting......Page 662
   16.6 Wrap Up......Page 671
  Chapter 17: Make the Switch!......Page 675
   17.1 Keeping House......Page 678
   17.2 Switch Data Receive Path Functions......Page 681
   17.3 Switch Fabrics......Page 699
   17.4 Switch Data Transmit Path Functions......Page 726
  Frame Format......Page 733
  Decision Flow......Page 734
 References......Page 737
  Terms......Page 745
  Acronyms and Abbreviations......Page 776
 Index......Page 787