Viewing the pending MSTP configuration

This command displays the MSTP configuration the switch will implement if you execute the spanning tree pending apply command.

Syntax:


show spanning-tree pending [instance | mst-config]
instance [1..16 | ist]

Lists region, instance ID, and VLAN information for the specified, pending instance.

mst-config

Lists region, IST instance VLANs, numbered instances, and assigned VLAN information for the pending MSTP configuration.

Viewing a pending configuration

switch(config)# show spanning-tree pending instance 3

 Pending MST Instance Configuration Information

  MST Configuration Name : New-Version_01
  MST Configuration Revision : 1
  Instance ID : 3
  Mapped VLANs : 3

switch(config)# show spanning-tree pending mst-config

 Pending MST Configuration Identifier Information

  MST Configuration Name : New-Version_01
  MST Configuration Revision : 1

  IST Mapped VLANs : 1,2,4-4094

  Instance ID Mapped VLANs
  ----------- ---------------------------------------
  3           3