Cisco MWR 2941 Installation Manual Page 645

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Cisco MWR 2941 Mobile Wireless Edge Router Release 3.5 Command Reference, Cisco IOS Release 15.1(3)MR
OL-26895-01
Chapter Cisco MWR 2941 Router Command Reference, Release 15.1(3)MR
spanning-tree mode
spanning-tree mode
To switch between Per-VLAN Spanning Tree+ (PVST+) and Multiple Spanning Tree (MST) modes, use
the spanning-tree mode command in global configuration mode. To return to the default settings, use
the no form of this command.
spanning-tree mode [pvst | mst | rapid-pvst]
no spanning-tree mode
Syntax Description
Command Default pvst
Command Modes Global configuration (config)
Command History
Usage Guidelines
Caution Be careful when using the spanning-tree mode command to switch between PVST+, Rapid-PVST+,
and MST modes. When you enter the command, all spanning-tree instances are stopped for the previous
mode and are restarted in the new mode. Using this command may cause disruption of user traffic.
Examples This example shows how to switch to MST mode:
Router(config)# spanning-tree mode mst
Router(config)#
This example shows how to return to the default mode (PVST+):
Router(config)# no spanning-tree mode
Router(config)#
pvst (Optional) PVST+ mode.
mst (Optional) MST mode.
rapid-pvst (Optional) Rapid-PVST+ mode.
Note Rapid PVST is not supported in Release 15.0(1)MR.
Release Modification
12.2(14)SX Support for this command was introduced on the Supervisor Engine 720.
12.2(17d)SXB Support for this command on the Supervisor Engine 2 was extended to
Release 12.2(17d)SXB.
12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.
15.0(1)MR This command was integrated into 15.0(1)MR.
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