Cisco Nexus 5500 Series Command Reference Manual page 182

spanning-tree mode
spanning-tree mode
To switch between Rapid per VLAN Spanning Tree Plus (Rapid PVST+) and Multiple Spanning Tree
(MST) Spanning Tree Protocol (STP) modes, use the spanning-tree mode command. To return to the
default settings, use the no form of this command.
Syntax Description
rapid-pvst
mst
Command Default Rapid PVST+
Command Modes Global configuration mode
Command History Release
5.2(1)N1(1)
Usage Guidelines You cannot simultaneously run MST and Rapid PVST+ on the switch.
Be careful when using the spanning-tree mode command to switch between Rapid PVST+ and MST
Caution
modes. When you enter the command, all STP instances are stopped for the previous mode and are
restarted in the new mode. Using this command may cause the user traffic to be disrupted.
Examples This example shows how to switch to MST mode:
switch(config)# spanning-tree mode mst
switch(config-mst)#
Related Commands Command
show spanning-tree
summary
Cisco Nexus 5500 Series NX-OS Layer 2 Interfaces Command Reference
1176
spanning-tree mode {rapid-pvst | mst}
no spanning-tree mode
Sets the STP mode to Rapid PVST+.
Sets the STP mode to MST.
Modification
This command was introduced.
Description
Displays the information about the spanning tree configuration.
Chapter S Commands
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