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Contents iii
Contents
Figures ............................................................................................................................................ v
Tables..............................................................................................................................................vi
PREFACE
Using This Guide............................................................................................................vii
Structure of This Guide ..................................................................................................vii
Related Documents....................................................................................................... viii
Document Conventions.................................................................................................viii
1
1.1 Defining VLANs...............................................................................................1-1
1.2 Types of VLANs ..............................................................................................1-2
1.2.1 802.1Q VLANs................................................................................1-3
1.2.2 SecureFast VLANs .........................................................................1-3
1.2.3 Other VLAN Strategies ...................................................................1-3
1.3 Benefits and Restrictions ................................................................................1-3
1.4 VLAN Terms....................................................................................................1-4
1.5 Getting Help ....................................................................................................1-6
2
2.1 Description ......................................................................................................2-1
2.2 VLAN Components .........................................................................................2-1
2.3 Configuration Process.....................................................................................2-2
2.3.1 Defining a VLAN .............................................................................2-2
2.3.2 Classifying Frames to a VLAN ........................................................2-2
2.3.3 Customizing the VLAN Forwarding List ..........................................2-2
2.4 VLAN Switch Operation ..................................................................................2-3
2.4.1 Receiving Frames from VLAN Ports...............................................2-4
2.4.2 Forwarding Decisions .....................................................................2-4
2.4.2.1 Broadcasts, Multicasts, and Unknown Unicasts..............2-4
2.4.2.2 Known Unicasts...............................................................2-5
2.5 GARP Switch Operation..................................................................................2-5
3
3.1 Managing the Switch.......................................................................................3-1
3.1.1 Switch Without VLANs....................................................................3-1
3.1.2 Switch with VLANs..........................................................................3-2
3.2 Summary of VLAN Local Management...........................................................3-4
3.3 802.1Q VLAN Configuration Menu Screen .....................................................3-5
3.4 Device VLAN Configuration Screen................................................................3-7