STP - MST region attributes

When implementing Spanning Tree Protocol (STP) using Multiple Spanning Tree (MST), there are certain attributes that must match in order for an MST instance to be considered to be in the same region. These attributes are:

• MST configuration name
• MST configuration revision number
• MST instance to VLAN mapping table

Links

https://networklessons.com/spanning-tree/multiple-spanning-tree-mst