Allied Telesis AT-S60 - Manual (Page 6)

Table of Contents
6
Chapter 12
STP, RSTP, and MSTP .....................................................................................................................................................................................184
STP and RSTP Overview ...................................................................................................................................................................................185
Bridge Priority and the Root Bridge .................................................................................................................................................. 186
Mixed STP and RSTP Networks ........................................................................................................................................................... 193
Spanning Tree and VLANs .................................................................................................................................................................... 193
Enabling or Disabling STP, RSTP, or MSTP ................................................................................................................................................196
Configuring STP .................................................................................................................................................................................................198
Configuring STP Bridge Settings ........................................................................................................................................................ 198
Configuring STP Port Parameters ...................................................................................................................................................... 200
Displaying STP Port Settings ................................................................................................................................................................ 203
Configuring RSTP ...............................................................................................................................................................................................204
Configuring RSTP Bridge Settings ..................................................................................................................................................... 204
Configuring RSTP Port Parameters .................................................................................................................................................... 207
Displaying Port RSTP Status ................................................................................................................................................................. 209
MSTP Overview ..................................................................................................................................................................................................210
Multiple Spanning Tree Instance (MSTI) .......................................................................................................................................... 212
VLAN and MSTI Associations ............................................................................................................................................................... 216
Multiple Spanning Tree Regions ........................................................................................................................................................ 216
Summary of Guidelines ......................................................................................................................................................................... 221
Configuring MSTP .............................................................................................................................................................................................227
Configuring MSTP Bridge Settings .................................................................................................................................................... 227
Configuring the CIST Priority ............................................................................................................................................................... 230
Creating, Deleting, and Modifying MSTI IDs .................................................................................................................................. 231
Associating VLANs to MSTI IDs ........................................................................................................................................................... 233
Configuring MSTP Port Settings ......................................................................................................................................................... 236
Displaying MSTP Port Settings and Status ..................................................................................................................................... 238
Chapter 13
Virtual LANs .......................................................................................................................................................................................................240
VLAN Overview ...................................................................................................................................................................................................241
Port-based VLAN Overview ...........................................................................................................................................................................243
General Rules for Creating a Port-based VLAN ............................................................................................................................. 245
Drawbacks of Port-based VLANs ........................................................................................................................................................ 245
Port-Based Examples .............................................................................................................................................................................. 247
Tagged VLAN Overview ..................................................................................................................................................................................251
General Rules for Creating a Tagged VLAN .................................................................................................................................... 253
Tagged VLAN Example .......................................................................................................................................................................... 254
Basic VLAN Mode Overview ...........................................................................................................................................................................256
Displaying VLANs ..............................................................................................................................................................................................257
Creating a Port-based or Tagged VLAN ....................................................................................................................................................260
Example of Creating a Port-Based VLAN ...................................................................................................................................................264
Example of Creating a Tagged VLAN .........................................................................................................................................................265
Modifying a VLAN ..............................................................................................................................................................................................266
Deleting a VLAN .................................................................................................................................................................................................270
Setting a Switch’s VLAN Mode ......................................................................................................................................................................271
Specifying a Management VLAN .................................................................................................................................................................272
Chapter 14
Multiple VLAN Modes ...................................................................................................................................................................................274
Multiple VLAN Mode Overview ....................................................................................................................................................................275
802.1Q- Compliant Multiple VLANs mode ...................................................................................................................................... 276
Non-802.1Q Compliant Multiple VLANs .......................................................................................................................................... 277
Multiple VLAN Modes and the Management VLAN .................................................................................................................... 278