Spanning-Tree Operation

802.1s Multiple Spanning Tree Protocol (MSTP)

Displaying the Pending MSTP Configuration. This command displays the MSTP configuration the switch will implement if you execute the span­ ning-tree pending apply command (Refer to “Enabling an Entire MST Region at Once or Exchanging One Region Configuration for Another” on page 5-72.)

Syntax: show spanning-tree pending < instance mst-config >

instance < 1..16 ist >

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

mst-config

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

Figure 5-33. Example of Displaying a Pending Configuration

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