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