PLANET WGS3-24000 - Manual (Page 140)

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(Disabled). Path cost will be calculated based on the link speed of the port if the configured value for Port Path
Cost is zero.
。 Port ID - The port identifier for the specified port within the selected MST instance. It is made up from the port
priority and the interface number of the port.
。 Port Up Time Since Counters Last Cleared - Time since the counters were last cleared, displayed in Days,
Hours, Minutes, and Seconds.
。 Port Mode - Spanning Tree Protocol Administrative Mode associated with the port or lag. The possible values are
Enable or Disable.
。 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 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 selected MST instance. 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.
Figure 4-3-38 Spanning Tree MST Port Configuration/Status