show spanning-tree summary root

Description

Shows spanning tree root summary information.

Command context

Operator (>) or Manager (#)

Authority

Operators or Administrators or local user group members with execution rights for this command. Operators can execute this command from the operator context (>) only.

Example

On the 6400 Switch Series, interface identification differs.

Showing spanning tree root summary:

switch#show spanning-tree summary rootSTP状态:启用协议:MSTP系统ID: 70:72:cf:32:50:f5 Root bridge for STP Instance : 0,1,2 Root Hello Max Fwd Instance ID Priority Root ID cost Time Age Dly Root Port --------------- -------- ----------------- --------- ----- --- --- ------------ 0 32768 70:72:cf:32:50:f5 0 2 20 15 n/a 1 32768 70:72:cf:32:50:f5 0 2 20 15 n/a 2 32768 70:72:cf:32:50:f5 200 2 20 15 1/1/1