Table of Contents

1VLAN Overview··········································································································································1-1VLAN Overview·······································································································································1-1 Introduction to VLAN ·······················································································································1-1 Advantages of VLANs ·····················································································································1-2 How VLAN Works····························································································································1-2 VLAN Interface ································································································································1-4 VLAN Classification·························································································································1-4Port-BasedVLAN····································································································································1-4Protocol-Based VLAN ·····························································································································1-5 Introduction to Protocol-BasedVLAN······························································································1-5 Encapsulation Format of Ethernet Data ··························································································1-5 Procedure for the Switch to Judge Packet Protocol········································································1-7 Encapsulation Formats····················································································································1-7 Implementation of Protocol-BasedVLAN························································································1-7

2VLAN Configuration ··································································································································2-1VLAN Configuration ································································································································2-1 Configuration Task List····················································································································2-1 Basic VLAN Configuration···············································································································2-1 Basic VLAN Interface Configuration································································································2-2 Displaying and Maintaining VLAN ···································································································2-2 Configuring a Port-Based VLAN ·············································································································2-3 Configuring a Port-BasedVLAN······································································································2-3Protocol-Based VLAN Configuration Example················································································2-3 Configuring a Protocol-BasedVLAN·······································································································2-5 Configuration Task List····················································································································2-5 Configuring a Protocol Template for a Protocol-Based VLAN ························································2-5 Associating a Port with a Protocol-BasedVLAN·············································································2-6 Displaying and Maintaining Protocol-Based VLAN ·········································································2-7Protocol-Based VLAN Configuration Example················································································2-7

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3Com WX3000 operation manual Table of Contents