3.9.38 show spanning-tree

Назначение команды

Эта команда используется для отображения состояния протокола Spanning Tree. Команда показывает только состояние активных интерфейсов.

Синтаксис команды

show spanning-tree

Режим команды

Privileged EXEC

Примеры

Пример отображения состояния протокола Spanning Tree:

Switch# show spanning-tree
  Bridge up - Spanning Tree Enabled  
 Mode - Multiple spanning tree protocol
 Path Cost Standard - dot1t
 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
 Tx Hold Count 6
 CIST Root Id 80008afa58e9cb00
 CIST Reg Root Id 80008afa58e9cb00
 CIST Bridge Id 80008afa58e9cb00
 Edgeport bpdu-filter disabled
 Edgeport bpdu-guard disabled
 eth-0-1: Port 1 - Id 8001 - Role Designated - State Forwarding
 eth-0-1: Designated External Path Cost 0 -Internal Path Cost 0  
 eth-0-1: Configured Path Cost 20000 - Add type Explicit ref count 1
 eth-0-1: Designated Port Id 8001 - CIST Priority 128 
 eth-0-1: CIST Root 80008afa58e9cb00
 eth-0-1: Regional Root 80008afa58e9cb00
 eth-0-1: Designated Bridge 80008afa58e9cb00
 eth-0-1: Message Age 0 - Max Age 20
 eth-0-1: CIST Hello Time 2 - Forward Delay 15
 eth-0-1: CIST Forward Timer 0 - Msg Age Timer 0 - Hello Timer 0 - topo change timer 0
 eth-0-1: Forward-transitions 2
 eth-0-1: BPDU sent 373 - BPDU received 0
 eth-0-1: Version Multiple spanning tree protocol - Received None - Send MSTP
 eth-0-1: No edgeport configured - Current edgeport off
 eth-0-1: Edgeport bpdu-guard  Default - Current edgeport bpdu-guard off
 eth-0-1: Edgeport bpdu-filter Default - Current edgeport bpdu-filter off
 eth-0-1: No root guard configured - Current root guard off
 eth-0-1: No loop guard configured - Current loop guard off
 eth-0-1: Configured Link Type auto - Current point-to-point