[index] CentreCOM x900シリーズ・SwitchBlade x908 コマンドリファレンス

show spanning-tree

モード: 非特権EXECモード
カテゴリー: L2スイッチング / スパニングツリープロトコル

> show spanning-tree [interface IFRANGE]

スパニングツリープロトコルの全般的な情報、および、各スイッチポートのスパニングツリー関連情報を表示する。


パラメーター

interface IFRANGE スイッチポートのインターフェース名。ハイフン、カンマを使った複数指定も可能。省略時はすべてのポートが対象となる


使用例

■ スパニングツリープロトコルの全般的な情報と全スイッチポートのスパニングツリー関連情報を表示する。

awplus> show spanning-tree ↓
% 1: Bridge up - Spanning Tree Enabled
% 1: Root Path Cost 20000 - Root Port 5002 -  Bridge Priority 32768
% 1: Forward Delay 15 - Hello Time 2 - Max Age 20
% 1: Root Id 80000000cd08170c
% 1: Bridge Id 80000000cd240367
% 1: 2 topology changes - last topology change Mon Jan  7 06:05:37 2008
% 1: portfast bpdu-filter disabled
% 1: portfast bpdu-guard disabled
% 1: portfast errdisable timeout disabled
% 1: portfast errdisable timeout interval 300 sec
%   port1.0.1: Port 5001 - Id 8389 - Role Designated - State Forwarding
%   port1.0.1: Designated Path Cost 20000
%   port1.0.1: Configured Path Cost 200000  - Add type Explicit ref count 1
%   port1.0.1: Designated Port Id 8389 - Priority 128  -
%   port1.0.1: Root 80000000cd08170c
%   port1.0.1: Designated Bridge 80000000cd240367
%   port1.0.1: Message Age 1 - Max Age 20
%   port1.0.1: Hello Time 2 - Forward Delay 15
%   port1.0.1: Forward Timer 0 - Msg Age Timer 0 - Hello Timer 0 - topo change t
imer 0
%   port1.0.1: forward-transitions 6
%   port1.0.1: Version Rapid Spanning Tree Protocol - Received RSTP - Send RSTP
%   port1.0.1: No portfast configured - Current  portfast off
%   port1.0.1: portfast bpdu-guard  default  - Current portfast bpdu-guard off
%   port1.0.1: portfast bpdu-filter default  - Current portfast bpdu-filter off
%   port1.0.1: no root guard configured     - Current root guard off
%   port1.0.1: Configured Link Type point-to-point - Current point-to-point
%
%   port1.0.2: Port 5002 - Id 838a - Role Rootport - State Forwarding
...


■ スパニングツリープロトコルの全般的な情報とスイッチポート1.0.1〜1.0.2のスパニングツリー関連情報を表示する。

awplus> show spanning-tree interface port1.0.1-1.0.2,port1.0.12 ↓
% 1: Bridge up - Spanning Tree Enabled
% 1: Root Path Cost 20000 - Root Port 5002 -  Bridge Priority 32768
% 1: Forward Delay 15 - Hello Time 2 - Max Age 20
% 1: Root Id 80000000cd08170c
% 1: Bridge Id 80000000cd240367
% 1: 2 topology changes - last topology change Mon Jan  7 06:05:37 2008
% 1: portfast bpdu-filter disabled
% 1: portfast bpdu-guard disabled
% 1: portfast errdisable timeout disabled
% 1: portfast errdisable timeout interval 300 sec
%   port1.0.1: Port 5001 - Id 8389 - Role Designated - State Forwarding
%   port1.0.1: Designated Path Cost 20000
%   port1.0.1: Configured Path Cost 200000  - Add type Explicit ref count 1
%   port1.0.1: Designated Port Id 8389 - Priority 128  -
%   port1.0.1: Root 80000000cd08170c
%   port1.0.1: Designated Bridge 80000000cd240367
%   port1.0.1: Message Age 1 - Max Age 20
%   port1.0.1: Hello Time 2 - Forward Delay 15
%   port1.0.1: Forward Timer 0 - Msg Age Timer 0 - Hello Timer 0 - topo change t
imer 0
%   port1.0.1: forward-transitions 6
%   port1.0.1: Version Rapid Spanning Tree Protocol - Received RSTP - Send RSTP
%   port1.0.1: No portfast configured - Current  portfast off
%   port1.0.1: portfast bpdu-guard  default  - Current portfast bpdu-guard off
%   port1.0.1: portfast bpdu-filter default  - Current portfast bpdu-filter off
%   port1.0.1: no root guard configured     - Current root guard off
%   port1.0.1: Configured Link Type point-to-point - Current point-to-point
%
%
% 1: Bridge up - Spanning Tree Enabled
% 1: Root Path Cost 20000 - Root Port 5002 -  Bridge Priority 32768
% 1: Forward Delay 15 - Hello Time 2 - Max Age 20
% 1: Root Id 80000000cd08170c
% 1: Bridge Id 80000000cd240367
% 1: 2 topology changes - last topology change Mon Jan  7 06:05:37 2008
% 1: portfast bpdu-filter disabled
% 1: portfast bpdu-guard disabled
% 1: portfast errdisable timeout disabled
% 1: portfast errdisable timeout interval 300 sec
%   port1.0.2: Port 5002 - Id 838a - Role Rootport - State Forwarding
%   port1.0.2: Designated Path Cost 0
%   port1.0.2: Configured Path Cost 20000  - Add type Explicit ref count 1
%   port1.0.2: Designated Port Id 8002 - Priority 128  -
%   port1.0.2: Root 80000000cd08170c
%   port1.0.2: Designated Bridge 80000000cd08170c
%   port1.0.2: Message Age 1 - Max Age 20
%   port1.0.2: Hello Time 2 - Forward Delay 15
%   port1.0.2: Forward Timer 0 - Msg Age Timer 4 - Hello Timer 1 - topo change t
imer 0
%   port1.0.2: forward-transitions 3
%   port1.0.2: Version Rapid Spanning Tree Protocol - Received RSTP - Send RSTP
%   port1.0.2: No portfast configured - Current  portfast off
%   port1.0.2: portfast bpdu-guard  default  - Current portfast bpdu-guard off
%   port1.0.2: portfast bpdu-filter default  - Current portfast bpdu-filter off
%   port1.0.2: no root guard configured     - Current root guard off
%   port1.0.2: Configured Link Type point-to-point - Current point-to-point


注意・補足事項

■ MSTPモードのときは、CIST（インスタンス0）の情報が表示される。


関連コマンド

show spanning-tree mst（非特権EXECモード）


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