NETGEAR GS748Tv4 Software Administration Manual page 100

The following table describes the CST Status information displayed on the screen.
Field
Interface
Port Role
Designated Root
Designated Cost
Designated Bridge
Designated Port
Topology Change
Acknowledge
Edge Port
Point-to-point MAC
CST Regional Root
CST Path Cost
Port Forwarding State
Click Refresh to update the information on the screen with the most current data.
100 | Chapter 3: Configuring Switching Information
GS748T Smart Switch Software Administration Manual
Description
Select a physical or port channel interface to configure. The port is
associated with the VLAN(s) associated with the CST.
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.
Root Bridge for the CST. It is made up using the bridge priority and the base
MAC address of the bridge.
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.
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.
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.
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 .
Indicates whether the port is enabled as an edge port. Possible values are
Enabled or Disabled.
Derived value of the point-to-point status.
Displays the bridge priority and base MAC address of the CST Regional
Root.
Displays the path Cost to the CST tree Regional Root.
Displays the Forwarding State of this port.