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% Default: CIST Root Id 8000ac44f2300110
% Default: CIST Reg Root Id 8000ac44f2300110
% Default: CIST Bridge Id 8000ac44f2300110
% Default: 6 topology change(s) - last topology change Tue Feb 27 19:52:52 2018
% port1.1: Port Number 905 - Ifindex 5001 - Port Id 0x8389 - Role Designated -
State Forwarding
% port1.1: Designated External Path Cost 0 -Internal Path Cost 0
% port1.1: Configured Path Cost 20000 - Add type Explicit ref count 1
% port1.1: Designated Port Id 0x8389 - CIST Priority 128 -
% port1.1: CIST Root 8000ac44f2300110
% port1.1: Regional Root 8000ac44f2300110
% port1.1: Designated Bridge 8000ac44f2300110
% port1.1: Message Age 0 - Max Age 20
% port1.1: CIST Hello Time 2 - Forward Delay 15
% port1.1: CIST Forward Timer 0 - Msg Age Timer 0 - Hello Timer 1 - topo change
timer 0
% port1.1: forward-transitions 1
% port1.1: Version Multiple Spanning Tree Protocol - Received MSTP - Send MSTP
% port1.1: No portfast configured - Current portfast off
% port1.1: bpdu-guard disabled - Current bpdu-guard off
% port1.1: bpdu-filter disabled - Current bpdu-filter off
% port1.1: no root guard configured - Current root guard off
% port1.1: Configured Link Type point-to-point - Current point-to-point
% port1.1: No auto-edge configured - Current port Auto Edge off
6.3.13 Show spanning tree BPDU statistics
[Syntax]
show spanning-tree statistics [interface ifname]
[Keyword]
interface : Specifies the interface to show
[Parameter]
ifname : Name of LAN/SFP+ port or logical interface
Interface to show
[Input mode]
unprivileged EXEC mode, priviledged EXEC mode
[Description]
Shows spanning tree BPDU statistics.
If "interface" is omitted, the status of all interfaces is shown.
[Example]
Show the BPDU statistics for LAN port #1.
SWP2>show spanning-tree statistics interface port1.1
Port number = 905 Interface = port1.1
================================
% BPDU Related Parameters
% -----------------------
% Port Spanning Tree : Enable
% Spanning Tree Type : Multiple Spanning Tree Protocol
% Current Port State : Forwarding
% Port ID : 8389
% Port Number : 389
% Path Cost : 20000
% Message Age : 0
% Designated Root : ac:44:f2:30:01:10
% Designated Cost : 0
% Designated Bridge : ac:44:f2:30:01:10
% Designated Port Id : 0x8389
% Top Change Ack : FALSE
% Config Pending : FALSE
% PORT Based Information & Statistics
% -----------------------------------
% Config Bpdu's xmitted : 3
182 | Command Reference | Layer 2 functions