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GS748T Smart Switch 
The following table describes the Rapid STP Status information displayed on the screen.
Field Description 
Interface The physical or port channel interfaces associated with VLANs associated with the CST.
Role Each MST Bridge Port that is enabled is assigned a Port Role for each spanning tree. 
The port 
role will be one of the following values: Root Port, Designated Port, Alternate 
Port, Backup Port, Master Port, or Disabled Port.
Mode Specifies the spanning tree operation mode. Different modes are ST
P, RSTP, and MSTP.
Fast Link Indicates whether the port is enabled as an edge port.
Status The Forwarding State of this port.
Click Refresh to update the information on the screen with the most current data.
MST Configuration
Use the Spanning Tree MST Configuration page to configure Multiple Spanning Tree (MST) 
on the switch. 
To display the Spanning Tree MST Configuration page, click Sw
itching  STP  Advanced  
MST Configuration.