Planet Networking & Communication WGS3-24000 User Manual page 140

(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
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