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show spanning-tree statistics

Syntax


            
               show spanning-tree statistics
               <brief | detail >
               <routing-instance routing-instance-name>

Release Information

Command introduced in JUNOS Release 8.4.

Description

Display STP statistics.

Options

none — Display brief STP statistics.

brief | detail — (Optional) Display the specified level of output.

routing-instance routing-instance-name — (Optional) Display STP statistics for the specified routing instance.

Required Privilege Level

view

List of Sample Output

show spanning-tree statistics routing-instance
show spanning-tree statistics interface

Output Fields

Table 186 lists the output fields for the show spanning-tree statistics command. Output fields are listed in the approximate order in which they appear.

Table 186: show spanning-tree statistics Output Fields

Field Name	Field Description
Message type	Type of message being counted.
BPDUs sent	Total number of BPDUs sent.
BPDUs received	Total number of BPDUs received.
BPDUs sent in last 5 secs	Number of BPDUs sent in the most recent 5-second period.
BPDUs received in last 5 secs	Number of BPDUs received in the most recent 5-second period.
Interface	Interface for which the statistics are being displayed.
Next BPDU transmission	Number of seconds until the next BPDU is scheduled to be sent.

Sample Output

show spanning-tree statistics routing-instance

user@host> show spanning-tree statistics routing-instance
               vs1 detail

Routing instance level STP statistics
Message type                   : bpdus
BPDUs sent                     : 121
BPDUs received                 : 537
BPDUs sent in last 5 secs      : 5
BPDUs received in last 5 secs  : 27

show spanning-tree statistics interface

user@host> show spanning-tree statistics interface
               ge-11/1/4 routing-instance vs1 detail

Interface   BPDUs sent   BPDUs received      Next BPDU
                                            transmission
ge-11/1/4            7           190                0

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