User Manual

M4300 Intelligent Edge Series Fully Managed Stackable Switches
Configure Switching Information User Manual224
5. To refresh the page with the latest information on the switch, click the Refresh button.
The following table describes the CST Status information displayed on the page.
Table 78. CST Port Status
Field Description
Interface Identify the physical or port channel interfaces associated with VLANs
associated with the CST
.
Port ID 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.
Port Forwarding State The Forwarding State of this port.
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.