Phoenix Contact FL SWITCH GHS 12G/8, User Manual, Page: 43 / 242

Spanning Tree Protocol (STP) Commands
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show spanning-tree brief
This command displays spanning tree settings for the bridge. The following information
appears.
Time Since
Topology Change
Time in seconds.
Topology Change
Count
Number of times changed.
Topology Change Boolean value of the Topology Change parameter for the switch indicating if a topology change is in
progress on any port assigned to the common and internal spanning tree.
Designated Root The bridge identifier of the root bridge. It is made up from the bridge priority and the base MAC address
of the bridge.
Root Path Cost Value of the Root Path Cost parameter for the common and internal spanning tree.
Root Port Identifier Identifier of the port to access the Designated Root for the CST
Root Port Max Age Derived value.
Root Port Bridge
Forward Delay
Derived value
Hello Time Configured value of the parameter for the CST.
Bridge Hold Time Minimum time between transmission of Configuration Bridge Protocol Data Units (BPDUs).
Bridge Max Hops Bridge max-hops count for the device.
CST Regional Root Bridge Identifier of the CST Regional Root. It is made up using the bridge priority and the base MAC
address of the bridge.
Regional Root
Path Cost
Path Cost to the CST Regional Root.
Associated FIDs List of forwarding database identifiers currently associated with this instance.
Associated VLANs List of VLAN IDs currently associated with this instance.
Term Definition
Format
show spanning-tree brief
Mode
•
Privileged EXEC
•
User EXEC
Term Definition
Bridge Priority Configured value.
Bridge Identifier The bridge identifier for the selected MST instance. It is made up using the bridge priority and the base
MAC address of the bridge.
Bridge Max Age Configured value.
Bridge Max Hops Bridge max-hops count for the device.
Bridge Hello Time Configured value.
Bridge Forward
Delay
Configured value.
Bridge Hold Time Minimum time between transmission of Configuration Bridge Protocol Data Units (BPDUs).
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