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Bridge Identifier
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Bridge Max Age -
Configured value.
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Bridge Hello Time -
Configured value.
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Bridge Forward Delay -
Configured value.
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Bridge Hold Time -
Minimum time between transmission of Configuration Bridge Protocol Data
Units (BPDUs)
10.1.2 show spanning-tree interface
This command displays the settings and parameters for a specific switch port within the common and
internal spanning tree. The <slot/port> is the desired switch port. The following details are displayed on
execution of the command.
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Format
show spanning-tree interface <slot/port>
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Mode
Privileged EXEC and User EXEC
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Port mode -
Enabled or disabled.
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Port Up -
Time Since Counters Last Cleared Time since port was reset, displayed in days, hours,
minutes, and seconds.
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STP BPDUs -
Transmitted Spanning Tree Protocol Bridge Protocol Data Units sent
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STP BPDUs Received -
Spanning Tree Protocol Bridge Protocol Data Units received.
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RST BPDUs Transmitted -
Rapid Spanning Tree Protocol Bridge Protocol Data Units sent
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RST BPDUs Received -
Rapid Spanning Tree Protocol Bridge Protocol Data Units received.
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MSTP BPDUs Transmitted -
Multiple Spanning Tree Protocol Bridge Protocol Data Units sent
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MSTP BPDUs Received -
Multiple Spanning Tree Protocol Bridge Protocol Data Units received.
10.1.3 show spanning-tree mst detailed
This command displays settings and parameters for the specified multiple spanning tree instance. The
instance
<mstid>
is a number that corresponds to the desired existing multiple spanning tree instance ID.
The following details are displayed.
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Format
show spanning-tree mst detailed <mstid>
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Mode
Privileged EXEC and User EXEC
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MST Instance ID
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MST Bridge Priority
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Time Since Topology Change -
in seconds
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Topology Change Count -
Number of times the topology has changed for this multiple spanning
tree instance.
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Topology Change in Progress -
Value of the Topology Change parameter for the multiple
spanning tree instance
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Designated Root -
Identifier of the Regional Root for this multiple spanning tree instance.
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Root Path Cost -
Path Cost to the Designated Root for this multiple spanning tree instance