Netgear M5300-52G3 Web Management User Guide - Page 150

ProSafe M5300 Switch CST Port Status Use the Spanning Tree CST Port Status page to display Common Spanning Tree (CST) and Internal Spanning Tree on a specific port on the switch. To display the Spanning Tree CST Port Status page, click Switching > STP > Advanced  CST Port Status. The following table describes the CST Status information displayed on the screen. Field Interface Port ID Port Forwarding State Port Role Description Identify the physical or port channel interfaces associated with VLANs associated with the CST. The port identifier for the specified port within the CST. It is made up from the port priority and the interface number of the port. The Forwarding State of this port. 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. Configuring Switching Information 150