Netgear S3300-28X (GS728TX) - ProSAFE S3300 Smart Switch Series Guia Do Administrador

To display the Spanning Tree CST Port Status screen, click Switching 

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CST Port Status.

The following table describes the CST Status information displayed on the screen.

Interface

The port associated with the VLAN(s) associated with the CST.

Port 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.

Designated Root

Root Bridge for the CST. It is made up using the bridge priority and the 
base MAC address of the bridge.

Designated Cost

Displays cost of the port participating in the STP topology. Ports with a 
lower cost are less likely to be blocked if STP detects loops.

Designated Bridge

Bridge Identifier of the bridge with the designated port. It is made up 
using the bridge priority and the base MAC address of the bridge.

Designated Port

Port Identifier on the designated bridge that offers the lowest cost to the 
LAN. It is made up from the port priority and the interface number of the 
port.

Topology Change 

Acknowledge

Identifies whether the next BPDU to be transmitted for this port would 
have the topology change acknowledgement flag set. It is either True or 
False.

Edge Port

Indicates whether the port is enabled as an edge port. Possible values 
are Enabled or Disabled.

Point-to-point MAC

Derived value of the point-to-point status. 

CST Regional Root

The bridge priority and base MAC address of the CST regional root.

CST Path Cost

The path cost to the CST tree regional root.

Port Forwarding State

The forwarding state of this port.

Click Update to update the page with the latest information on the switch.

Use the Rapid STP screen to view information about Rapid Spanning Tree (RSTP) port 
status. 

To display the Rapid STP screen, click Switching 

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 RSTP.