Chapter 1 Introduction 1
Standards 2
Network Management 3
Security 4
VLANs—Benefits and Problems 4
The Vendors 5
Preface 6
Chapter 2 Virtual Organizations 7
Acknowledgments 8
Organizational Trends 8
Implications of Changes for IT 17
Security 18
Support 19
Access Needs 19
Chapter 3 Network Construction Basics 21
OSI Reference Model 22
LAN Standards 28
LAN Types 31
Data Format 38
The Role of Bridges, Routers，and Switches in Networks 38
An Overview of Switching 42
Chapter 4 VLAN Construction 49
VLAN Types 52
Automation 69
Communicating VLAN Membership Information 70
VLAN Issues 72
Equipment Used 76
Managing Switched Networks and VLANs 78
Chapter 5 Standards 85
Background 86
IEEE 802.1D 86
IEEE 802.1P 90
IEEE 802.1Q 96
IEEE 802.1O 104
LANE 105
MPOA 108
Classic IP over ATM 109
DHCP and BOOTP 110
ARP and ICMP 113
IPv6 115
Chapter 6 Managing VLANs 127
The Need for VLAN Management 127
Traffic Management in Switched Networks 129
RMON in a Switched Environment 144
ATM Switching in Traffic Management 154
Is ATM Manageable? 165
Modeling 170
VLAN Management Complexity 178
Chapter 7 Security 209
Switched Networks and VLAN Security 209
VLANs as Security Domains 225
Product Categories 237
Where We Are Now with VLAN Security 245
Advanced VLAN Secunty Topics 247
Security Standards 252
Chapter 8 Benefits, Problems, and Performance Considerations 257
Benefits of VLANs 257
Problems with VLANs 265
Enhancing VLAN Performance 275
The VLAN and the WAN 277
Chapter 9 Current Products Available 279
The VLAN Vendor Scene 279
Detailed Implementation Notes 301
Recommendations 346
Chapter 10 Looking to the Future 353
Will VLANs Be Taken Up? 353
How VLANs Will Change Our Enterprise Networks 355
Appendix A The Vendors 357
Appendix B Standards Bodies 369
Glossary 373
Bibliography 393
Index 397