Configuring Mst - Cisco Nexus 9000 Series Configuration Manual

Configuring MST

Parameters
Link type
Configuring MST
If you are familiar with the Cisco IOS CLI, be aware that the Cisco software commands for this feature
Note
might differ from the Cisco IOS commands that you would use.
Enabling MST - CLI Version
You can enable MST; Rapid PVST+ is the default.
When you change the spanning tree mode, traffic is disrupted because all spanning tree instances are
Note
stopped for the previous mode and started for the new mode.
Procedure
Step 1
Step 2
Cisco Nexus 9000 Series NX-OS Layer 2 Switching Configuration Guide, Release 7.x
126
Command or Action
config t
Example:
switch# config t
switch(config)#
spanning-tree mode mst or no spanning-tree
mode mst.
Example:
switch(config)# spanning-tree mode mst
Configuring MST Using Cisco NX-OS
Default
Auto
The default link type is determined by the duplex, as
follows:
• Full duplex: point-to-point link
• Half duplex: shared link
Purpose
Enters configuration mode.
• spanning-tree mode mst
Enables MST on the device.
• no spanning-tree mode mst
Disables MST on the device and returns
you to Rapid PVST+.