S350 Series 24-Port (PoE+) and 48-Port Gigabit Ethernet Smart Managed Pro Switches
Configure Switching User Manual151
6. Select whether to display physical interfaces, LAGs, or both by clicking one of the following
links above the table heading:
•1 (the unit ID of the switch). Only physical interfaces are displayed.
This is the default
setting.
• LAG
. Only LAGs are displayed.
• All. Both physical interfaces and LAGs are displayed.
7. T
o 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 36. CST port status
Field Description
Interface The physical port or LAG that is 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 can be Root, Designated, Alternate, Backup,
Master
, or Disabled.
Designated Root The root bridge for the CST. It is made up using the bridge priority and the
base MAC address of the bridge.
Designated Cost The path cost offered to the LAN by the designated port.
Designated Bridge The 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 The 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 the 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.
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