13. Spanning Tree Protocol
spanning-tree single
Starts calculation of the topology for Single Spanning Tree. If the Spanning Tree operating mode
is PVST+, VLAN 1 is treated as Single Spanning Tree after this command is executed.
Syntax
To set information:
spanning-tree single
To delete information:
no spanning-tree single
Input mode
(config)
Parameters
None
Default behavior
None
Impact on communication
None
When the change is applied
The change is applied immediately after setting values are changed.
Notes
1.
If VLAN 1 was subject to PVST+ before this command was executed, executing this
command stops PVST+ for VLAN 1. Removing Single Spanning Tree causes PVST+ to be
applied to VLAN 1. If the operating mode is Multiple Spanning Tree, Single Spanning Tree
does not operate.
Related commands
spanning-tree mode
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