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Contents
8
Associating VLANs to MSTIs..........................................................................................................................305
Connecting VLANs Across Different Regions.................................................................................................307
Section VI: Virtual LANs .......................................................................................309
Chapter 27: Port-based and Tagged VLANs ..............................................................................................311
Supported Platforms .......................................................................................................................................312
Overview.........................................................................................................................................................313
Port-based VLAN Overview ............................................................................................................................315
VLAN Name..............................................................................................................................................315
VLAN Identifier .........................................................................................................................................315
Untagged Ports.........................................................................................................................................316
Port VLAN Identifier..................................................................................................................................316
Guidelines to Creating a Port-based VLAN..............................................................................................317
Drawbacks of Port-based VLANs.............................................................................................................317
Port-based Example 1..............................................................................................................................318
Port-based Example 2..............................................................................................................................319
Tagged VLAN Overview .................................................................................................................................321
Tagged and Untagged Ports ....................................................................................................................322
Port VLAN Identifier..................................................................................................................................322
Guidelines to Creating a Tagged VLAN ...................................................................................................322
Tagged VLAN Example............................................................................................................................323
Chapter 28: GARP VLAN Registration Protocol ........................................................................................325
Supported Platforms .......................................................................................................................................326
Overview.........................................................................................................................................................327
Guidelines.......................................................................................................................................................330
GVRP and Network Security...........................................................................................................................331
GVRP-inactive Intermediate Switches ............................................................................................................332
Generic Attribute Registration Protocol (GARP) Overview.............................................................................333
Chapter 29: Multiple VLAN Modes ..............................................................................................................337
Supported Platforms .......................................................................................................................................338
Overview.........................................................................................................................................................339
802.1Q- Compliant Multiple VLAN Mode ........................................................................................................340
Non-802.1Q Compliant Multiple VLAN Mode .................................................................................................342
Chapter 30: Protected Ports VLANs ...........................................................................................................343
Supported Platforms .......................................................................................................................................344
Overview.........................................................................................................................................................345
Guidelines.......................................................................................................................................................347
Chapter 31: MAC Address-based VLANs ..................................................................................................349
Supported Platforms .......................................................................................................................................350
Overview.........................................................................................................................................................351
Egress Ports ...................................................................................................................................................352
VLANs That Span Switches............................................................................................................................355
VLAN Hierarchy ..............................................................................................................................................357
Steps to Creating a MAC Address-based VLAN.............................................................................................358
Guidelines.......................................................................................................................................................359