Consolidated Platform Configuration Guide, Cisco Ios Release 15.2(4)E (Catalyst 2960-X Switches - Cisco Catalyst 2960 series Configuration Manual

Command or Action
Step 8
exit
Example:
Switch(config-mst)# exit
Step 9
spanning-tree mode mst
Example:
Switch(config)# spanning-tree mode mst
Step 10
end
Example:
Switch(config)# end
Related Topics
MSTP Configuration Guidelines, on page 243
Multiple Spanning-Tree Regions, on page 245
Prerequisites for MSTP, on page 241
Restrictions for MSTP, on page 242
Spanning-Tree Interoperability and Backward Compatibility, on page 222
Optional Spanning-Tree Configuration Guidelines
BackboneFast, on page 294
UplinkFast, on page 290
Default MSTP Configuration, on page 257
Configuring the Root Switch , on page 264
Restrictions for MSTP, on page 242
Bridge ID, Device Priority, and Extended System ID, on page 214
Configuring a Secondary Root Switch , on page 265
Configuring Port Priority , on page 266
Configuring Path Cost , on page 268
Configuring the Switch Priority , on page 269
Configuring the Hello Time , on page 271
Configuring the Forwarding-Delay Time , on page 272
Configuring the Maximum-Aging Time , on page 273
Configuring the Maximum-Hop Count , on page 274
Specifying the Link Type to Ensure Rapid Transitions , on page 275
Purpose
Applies all changes, and returns to global configuration mode.
Enables MSTP. RSTP is also enabled.
Changing spanning-tree modes can disrupt traffic because all
spanning-tree instances are stopped for the previous mode and restarted
in the new mode.
You cannot run both MSTP and PVST+ or both MSTP and Rapid
PVST+ at the same time.
Returns to privileged EXEC mode.

Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)

How to Configure MSTP Features
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