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spanning-tree

Displays spanning tree utilization information

Supported in the following platforms:

  • Access Points — AP505i, AP510i/e, AP560i/h
  • Service Platforms — NX5500, NX7500, NX9500, NX9600, VX9000

Syntax

show spanning-tree mst {configuration|detail|instance|on}
show spanning-tree mst {configuration} {(on <DEVICE-NAME>)}
show spanning-tree mst {detail} {interface|on} 
show spanning-tree mst {detail} interface {<INTERFACE-NAME>|ge <1-4>|me1|
port-channel <1-2>|pppoe1|vlan <1-4094>|wwan1} {(on <DEVICE-NAME>)}
show spanning-tree mst {instance <1-15>} {interface <INTERFACE-NAME>} 
{(on <DEVICE-NAME>)}

Parameters

show spanning-tree mst {configuration} {(on <DEVICE-NAME>)}
spanning-tree Displays spanning tree utilization information
mst Displays Multiple Spanning Tree (MST) related information
configuration {on <DEVICE-NAME>} Optional. Displays MST configuration
  • on <DEVICE-NAME> – Optional. Displays MST configuration on a specified device
    • <DEVICE-NAME> – Specify the name of the AP,wireless controller, or service platform.
 
show spanning-tree mst {detail} interface {<INTERFACE-NAME>|ge <1-4>|me1|
port-channel <1-2>|pppoe1|vlan <1-4094>|wwan1} {(on <DEVICE-NAME>)}
spanning-tree Displays spanning tree information
mst Displays MST configuration
detail Optional. Displays detailed MST configuration, based on the parameters passed
interface [<INTERFACE>| age <1-4>|me1| port-channel <1-2>| pppoe1| vlan <1-4094> wwan1] Displays detailed MST configuration for a specified interface
  • <INTERFACE> – Displays detailed MST configuration for a specified interface. Specify the interface name.
  • age <1-4> – Displays GigabitEthernet interface MST configuration
    • <1-4> – Select the GigabitEthernet interface index from 1 - 4.
  • me1 – Displays FastEthernet interface MST configuration
  • port-channel – Displays port channel interface MST configuration
    • <1-2> – Select the port channel interface index from 1 - 2.
  • pppoe1 – Displays PPP over Ethernet interface MST configuration
  • vlan – Displays VLAN interface MST configuration
    • <1-4094> – Select the SVI VLAN ID from 1 - 4094.
  • wwan1 – Displays Wireless WAN interface MST configuration
on <DEVICE-NAME> The following keyword is common to all interfaces:

Optional. Displays detailed MST configuration on a specified device

  • <DEVICE-NAME> – Specify the name of the AP, wireless controller, or service platform.
 
show spanning-tree mst {instance <1-15>} {interface <INTERFACE-NAME>} 
{(on <DEVICE-NAME>)}
spanning-tree Displays spanning tree information
mst Displays MST configuration. Use additional filters to view specific details.
instance <1-15> Optional. Displays information for a particular MST instance
  • <1-15> – Specify the instance ID from 1 - 15.
interface <INTERFACE-NAME> Optional. Displays MST configuration for a specific interface instance. The options are:
  • <INTERFACE-NAME> – Displays MST configuration for a specified interface. Specify the interface name.
on <DEVICE-NAME> Optional. Displays MST configuration on a specified device
  • <DEVICE-NAME> – Specify the name of the AP, wireless controller, or service platform.

Examples

nx9500-6C8809#show spanning-tree mst configuration
%%
%  MSTP Configuration Information for bridge 1 :
%%------------------------------------------------------
%  Format Id      : 0
%  Name           : My Name
%  Revision Level : 0
%  Digest         : 0xac36177f50283cd4b83821d8ab26de62
%%------------------------------------------------------

nx9500-6C8809#
nx9500-6C8809#show spanning-tree mst detail interface ge 1
% Bridge up - Spanning Tree Disabled
% CIST Root Path Cost 0  - CIST Root Port 0 - CIST Bridge Priority 32768
% Forward Delay 15 - Hello Time 2 - Max Age 20 - Max hops 20
% 1: CIST Root Id 800000157081742e
% 1: CIST Reg Root Id 800000157081742e
% 1: CIST Bridge Id 800000157081742e
% portfast bpdu-filter disabled
% portfast bpdu-guard disabled
% portfast portfast errdisable timeout disabled
% portfast errdisable timeout interval 300 sec
% cisco interoperability not configured - Current cisco interoperability off

%   ge1: Port 2001 - Id 87d1 - Role Disabled - State Forwarding
%   ge1: Designated External Path Cost 0 - Internal Path Cost 0
%
--More--
nx9500-6C8809#
Published July 2019prev | next

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