User Manual

Configure Switching
131
Insight Managed 8-Port Gigabit Ethernet Smart Cloud Switch with 2 SFP Fiber Ports
The System Information page displays.
5. Select Switching > STP > Advanced > CST Port Status.
The CST Port Status page displays.
6. To refresh the page with the latest information about the switch, click the Refresh button.
The following table describes the CST Status information displayed on the page.
Table 34. CST port status
Field Description
Interface Identify the physical or port channel interfaces associated with VLANs
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 is 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 Path cost offered to the LAN by the designated port.
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 topology change acknowledgement flag is set for the
next BPDU to be transmitted for this port. It is either True or False.
Edge port Indicates whether the port is enabled as an edge port. It is either Enabled
or Disabled.
Point-to-point MAC Derived value of the point-to-point status.
CST Regional Root Bridge identifier of the CST regional root. It is made up using the bridge
priority and the base MAC address of the bridge.
CST Path Cost Path cost to the CST regional root.
Port Forwarding State The forwarding state of this port.