641
Chapter 45
Multiple Spanning Tree Protocol
This chapter provides background information about the Multiple Spanning
Tree Protocol (MSTP). It covers the following topics:
“Overview” on page 642
“Multiple Spanning Tree Instance (MSTI)” on page 643
“MSTI Guidelines” on page 645
“VLAN and MSTI Associations” on page 646
“Ports in Multiple MSTIs” on page 647
“Multiple Spanning Tree Regions” on page 648
“Summary of Guidelines” on page 653
“Associating VLANs to MSTIs” on page 655
“Connecting VLANs Across Different Regions” on page 657
“MSTP Root Guard” on page 659