Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) - Manual (Page 520)

Spanning Tree Commands
Software Reference for x310 Series Switches
19.30 AlliedWare Plus TM Operating System - Version 5.4.4C C613-50046-01 REV A
show spanning-tree statistics instance interface
This command displays BPDU (Bridge Protocol Data Unit) statistics for the specified MST
(Multiple Spanning Tree) instance and the specified switch port associated with that MST
instance.
For information on output options, see “Controlling “show” Command Output” on
page 1.37 .
Syntax show spanning-tree statistics instance <instance> interface <port>
Mode Privileged Exec
Example To display BPDU statistics for MST instance 2, interface port1.0.2, use the
command
Output Figure 19-15: Example output from the show spanning-tree statistics instance
interface command
Related Commands show spanning-tree statistics
Parameter Description
<instance> Specify an MSTP instance in the range <1-15>.
<port> The port to display information about. The port may be a switch port
(e.g. port1.0.4), a static channel group (e.g. sa2), or a dynamic
(LACP) channel group (e.g. po2).
awplus# show spanning-tree statistics instance 2 interface
port1.0.2
awplus#sh spanning-tree statistics interface port1.0.2 instance 1
Spanning Tree Enabled for Instance : 1
==================================
% INST_PORT port1.0.2 Information & Statistics
% ----------------------------------------
% Config Bpdu's xmitted (port/inst) : (0/0)
% Config Bpdu's received (port/inst) : (0/0)
% TCN Bpdu's xmitted (port/inst) : (0/0)
% TCN Bpdu's received (port/inst) : (0/0)
% Message Age(port/Inst) : (0/0)
% port1.0.2: Forward Transitions : 0
% Next State : Learning
% Topology Change Time : 0
% Other Inst/Vlan Information & Statistics
% ----------------------------------------
% Bridge Priority : 0
% Bridge Mac Address : ec:cd:6d:20:c0:ed
% Topology Change Initiator : 5023
% Last Topology Change Occured : Mon Aug 22 05:42:06 2011
% Topology Change : FALSE
% Topology Change Detected : FALSE
% Topology Change Count : 1
% Topology Change Last Recvd from : 00:00:00:00:00:00