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show spanning-tree statistics

Syntax

show spanning-tree statisticsinterface interface-namevlan vlan-id<brief | detail>

Release Information

Command introduced in Junos OS Release 9.0 for EX Series switches.

Option vlan vlan-id introduced in Junos OS 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

Published: 2012-12-07