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AT-9000 Switch Command Line User’s Guide
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SPANNING-TREE RSTP ENABLE.......................................................................................................... 640
Chapter 45: Multiple Spanning Tree Protocol ........................................................................................... 641
Overview .................................................................................................................................................. 642
Multiple Spanning Tree Instance (MSTI).................................................................................................. 643
MSTI Guidelines....................................................................................................................................... 645
VLAN and MSTI Associations.................................................................................................................. 646
Ports in Multiple MSTIs ............................................................................................................................ 647
Multiple Spanning Tree Regions.............................................................................................................. 648
Region Guidelines ............................................................................................................................. 650
Common and Internal Spanning Tree (CIST).................................................................................... 651
MSTP with STP and RSTP................................................................................................................ 651
Summary of Guidelines............................................................................................................................ 653
Associating VLANs to MSTIs ................................................................................................................... 655
Connecting VLANs Across Different Regions.......................................................................................... 657
MSTP Root Guard.................................................................................................................................... 659
Chapter 46: MSTP Commands ................................................................................................................... 661
INSTANCE MSTI-ID PRIORITY............................................................................................................... 663
INSTANCE MSTI-ID VLAN ...................................................................................................................... 665
NO SPANNING-TREE ERRDISABLE-TIMEOUT ENABLE..................................................................... 666
NO SPANNING-TREE PORTFAST......................................................................................................... 667
NO SPANNING-TREE MSTP ENABLE................................................................................................... 668
SHOW SPANNING-TREE ....................................................................................................................... 669
SHOW SPANNING-TREE MST CONFIG................................................................................................ 670
SHOW SPANNING-TREE MST............................................................................................................... 671
SHOW SPANNING-TREE MST INSTANCE............................................................................................ 672
SPANNING-TREE ERRDISABLE-TIMEOUT ENABLE ........................................................................... 673
SPANNING-TREE ERRDISABLE-TIMEOUT INTERVAL........................................................................ 674
SPANNING-TREE GUARD ROOT .......................................................................................................... 675
SPANNING-TREE MODE MSTP........................................................................................................
..... 676
SPANNING-TREE MSTP ENABLE ......................................................................................................... 677
SPANNING-TREE MST CONFIGURATION............................................................................................ 678
SPANNING-TREE MST INSTANCE........................................................................................................ 679
SPANNING-TREE PATH-COST.............................................................................................................. 680
SPANNING-TREE PORTFAST ............................................................................................................... 681
SPANNING-TREE PORTFAST BPDU-GUARD ...................................................................................... 682
REGION................................................................................................................................................... 683
REVISION................................................................................................................................................ 684
Section VII: Virtual LANs ...................................................................................................................... 685
Chapter 47: Port-based and Tagged VLANs ............................................................................................. 687
Overview .................................................................................................................................................. 688
Port-based VLAN Overview ..................................................................................................................... 690
VLAN Name....................................................................................................................................... 690
VLAN Identifier .................................................................................................................................. 690
Port VLAN Identifier........................................................................................................................... 691
Untagged Ports.................................................................................................................................. 691
Guidelines to Creating a Port-based VLAN ....................................................................................... 692
Drawbacks of Port-based VLANs ...................................................................................................... 692
Port-based Example 1....................................................................................................................... 693
Port-based Example 2....................................................................................................................... 694
Tagged VLAN Overview........................................................................................................................... 696
Tagged and Untagged Ports ............................................................................................................. 697