User manual

Chapter 3: Configuring Switching Information | 35
GS108T and GS110TP Smart Switch Software Administration Manual
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 STP, 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 Switching > STP > Advanced 
MST Configuration.
To configure an MST instance:
1. To add an MST instance, configure the MST values and click Add:
• MST ID. Specify the ID of the MST to create. Valid values for this are between 1 and
4094.
• Priority. Specifies the bridge priority value for the MST. When switches or bridges are
running STP, each is assigned a priority. After exchanging BPDUs, the switch with the