Dell POWEREDGE M1000E - Manual (Page 651)

Configuring the Spanning Tree Protocol 651
MSTP Interface Settings
Use the MSTP Interface Settings page to assign MSTP settings to specific
interfaces.
To display the MSTP Interface Settings page, click Switching → Spanning
Tree → MSTP Interface Settings in the navigation panel.
Figure 22-13. MSTP Interface Settings
Configuring MSTP Settings for Multiple Interfaces
To configure MSTP settings for multiple interfaces:
1 Open the MSTP Interface Settings page.
2 Click Show All to display the MSTP Interface Table.