Page 50 Spanning Tree
From the Spanning Tree MSTP Port Summary page, you can view additional details about the MSTP
settings on a port or configure additional settings for one or more ports.
Viewing MSTP Port Details or Editing MSTP Port Settings
To configure MST settings for one or more interfaces, first select the appropriate MST instance from
the MSTP ID menu. Then, select the interfaces to configure and click Edit. The same settings are
applied to all selected interfaces. To view additional information about an interface's role in the MST
topology, select the MST instance and the interface to view, and then click Details.
The fields on the Edit MSTP Port page and Details of MSTP Port Entry page are the same.
Figure 28. Edit MSTP Port Page
Table 18. Spanning Tree MSTP Port Edit and Details Fields
Port Priority The priority for the port within the MSTI. This value is used in determining which port on a
switch becomes the root port when two ports have the same least-cost path to the root. The
port with the lower priority value becomes the root port. If the priority values are the same, the
port with the lower interface index becomes the root port.
Port Path Cost The path cost from the port to the root bridge.
Field Description
MSTP ID The ID of each MST instance this port is associated with.
Interface Identifies the interface.
Field Description
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