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show spanning-tree statistics

show spanning-tree statistics

Syntax


                        
                           show spanning-tree statistics
                           interface interface-name
                           vlan vlan-id
                           <brief | detail>

Release Information

Command introduced in JUNOS Release 9.0 for EX Series switches.

Option vlan vlan-id introduced in JUNOS Release 10.1 for EX Series switches.

Description

Display STP statistics on an interface, or for a VLAN when VSTP is enabled.

Options

none — Display brief STP statistics.

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

interface interface-name — (Optional) The name of the interface.

vlan vlan-id — (Optional) The name of a VLAN.

Required Privilege Level

view

List of Sample Output

show spanning-tree statistics interface

Output Fields

Table 1 lists the output fields for the show spanning-tree statistics command. Output fields are listed in the approximate order in which they appear.

Table 1: show spanning-tree statistics Output Fields

Field Name	Field Description
BPDUs sent	Total number of BPDUs sent.
BPDUs received	Total number of BPDUs received.
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 interface

user@switch> show spanning-tree statistics interface
                           ge-0/0/4

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