The stp region-configuration command displays a Multiple Spanning Tree (MST) region view.
The undo stp region-configuration command restores the default MST region configuration.
By default, the configuration of an MST region is as follows:
MST region name: MAC address of the main control board of the device.
MSTP revision level: 0.
VLAN mapping table: all VLANs are mapped to Common and Internal Spanning Tree (CIST).