PLANET WGS3-2820 User Manual
Page 142
User’s Manual of WGS3-2820/WGS3-5220
142
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