Alaxala AX2200S Series Configuration Manual page 19

19.3.3 Notes on PVST+ usage ..................................................................................... 309
19.4 PVST+ configuration ....................................................................................................... 310
19.4.1 List of configuration commands ......................................................................... 310
19.4.2 Configuring PVST+ ............................................................................................ 310
19.4.3 Configuring PVST+ topologies ........................................................................... 311
19.4.4 Configuring PVST+ parameters ......................................................................... 312
19.5 PVST+ operation ............................................................................................................. 315
19.5.1 List of operation commands ............................................................................... 315
19.5.2 Checking PVST+ statuses ................................................................................. 315
19.6 Description of Single Spanning Tree ............................................................................... 316
19.6.1 Overview ............................................................................................................ 316
19.6.2 Usage with PVST+ ............................................................................................. 316
19.6.3 Notes on Single Spanning Tree usage .............................................................. 317
19.7 Configuration of Single Spanning Tree............................................................................ 318
19.7.1 List of configuration commands ......................................................................... 318
19.7.2 Configuring Single Spanning Tree ..................................................................... 318
19.7.3 Configuring topologies for Single Spanning Tree............................................... 319
19.7.4 Configuring Single Spanning Tree parameters .................................................. 320
19.8 Operation for Single Spanning Tree ................................................................................ 323
19.8.1 List of operation commands ............................................................................... 323
19.8.2 Checking the Single Spanning Tree status ........................................................ 323
19.9 Description of Multiple Spanning Tree............................................................................. 325
19.9.1 Overview ............................................................................................................ 325
19.9.2 Designing networks for Multiple Spanning Tree................................................. 327
19.9.3 Compatibility with other Spanning Tree Protocols ............................................. 329
19.9.4 Notes on Multiple Spanning Tree usage ............................................................ 330
19.10 Configuration of Multiple Spanning Tree ....................................................................... 331
19.10.1 List of configuration commands ....................................................................... 331
19.10.2 Configuring Multiple Spanning Tree ................................................................. 331
19.10.3 Configuring topologies for Multiple Spanning Tree .......................................... 332
19.10.4 Configuring Multiple Spanning Tree parameters .............................................. 334
19.11 Operation for Multiple Spanning Tree ............................................................................ 337
19.11.1 List of operation commands ............................................................................. 337
19.11.2 Checking the Multiple Spanning Tree status .................................................... 337
19.12 Description of common Spanning Tree functionality ..................................................... 339
19.12.1 PortFast............................................................................................................ 339
19.12.2 BPDU filter ....................................................................................................... 340
19.12.3 Loop guard ....................................................................................................... 340
19.12.4 Root guard ....................................................................................................... 343
19.13 Configuration of the common Spanning Tree functionality ........................................... 345
19.13.1 List of configuration commands ....................................................................... 345
19.13.2 Setting PortFast ............................................................................................... 345
19.13.3 Setting BPDU filters ......................................................................................... 346
19.13.4 Configuring loop guards ................................................................................... 347
19.13.5 Setting root guards ........................................................................................... 347
19.13.6 Configuring link types ....................................................................................... 348
19.14 Operation for common Spanning Tree functionality ...................................................... 349
19.14.1 List of operation commands ............................................................................. 349
19.14.2 Checking the status of common Spanning Tree functionality .......................... 349
20. Description of the Ring Protocol ............................................................................................ 351
20.1 Overview of the Ring Protocol ......................................................................................... 352
20.1.1 Overview ............................................................................................................ 352
20.1.2 Features ............................................................................................................. 353
20.1.3 Supported specifications .................................................................................... 355
20.2 Basic Ring Protocol principles ......................................................................................... 356
20.2.1 Network configuration ........................................................................................ 356
20.2.2 Control VLAN ..................................................................................................... 357
Contents
vii