6.3.25 MSTP情報の表示

[書式]

• show spanning-tree mst [detail] [interface ifname]

[キーワード]

[パラメーター]

[入力モード]

非特権EXECモード、特権EXECモード、インターフェースモード

[説明]

MSTPの情報を表示する。

通常はMSTインスタンスとVLANおよびインターフェースの関連付け情報を表示する。

detailを指定した場合は、インターフェースおよびMSTインスタンスの詳細情報を表示する。

interfaceを省略した場合は、すべてのインターフェースの情報が表示される。

[ノート]

ifnameに、論理インターフェースに所属しているLAN/SFPポートを指定することはできない。

[設定例]

MSTPの情報を表示する。

SWX3100>show spanning-tree mst
% Default: Bridge up - Spanning Tree Enabled  - topology change detected
% Default: CIST Root Path Cost 0 - CIST Root Port 0 -  CIST Bridge Priority 32768
% Default: Forward Delay 15 - Hello Time 2 - Max Age 20 - Transmit Hold Count 6 - Max-hops 20
% Default: CIST Root Id 8000ac44f2300110
% Default: CIST Reg Root Id 8000ac44f2300110
% Default: CIST Bridge Id 8000ac44f2300110
% Default: 9 topology change(s)  - last topology change Tue Feb 27 20:14:35 2018

%
%   Instance        VLAN
%   0:              1
%   1:              100 (port1.19)

LANポート #19のMSTPの詳細情報を表示する

SWX3100>show spanning-tree mst detail interface port1.19
% Default: Bridge up - Spanning Tree Enabled  - topology change detected
% Default: CIST Root Path Cost 0 - CIST Root Port 0 -  CIST Bridge Priority 32768
% Default: Forward Delay 15 - Hello Time 2 - Max Age 20 - Transmit Hold Count 6 - Max-hops 20
% Default: CIST Root Id 8000ac44f2300110
% Default: CIST Reg Root Id 8000ac44f2300110
% Default: CIST Bridge Id 8000ac44f2300110
% Default: 9 topology change(s)  - last topology change Tue Feb 27 20:14:35 2018

%   port1.19: Port Number 923 - Ifindex 5019 - Port Id 0x839b - Role Designated - State Forwarding
%   port1.19: Designated External Path Cost 0 -Internal Path Cost 0
%   port1.19: Configured Path Cost 20000  - Add type Explicit ref count 2
%   port1.19: Designated Port Id 0x839b - CIST Priority 128  -
%   port1.19: CIST Root 8000ac44f2300110
%   port1.19: Regional Root 8000ac44f2300110
%   port1.19: Designated Bridge 8000ac44f2300110
%   port1.19: Message Age 0 - Max Age 20
%   port1.19: CIST Hello Time 2 - Forward Delay 15
%   port1.19: CIST Forward Timer 0 - Msg Age Timer 0 - Hello Timer 0 - topo change timer 0
%   port1.19: forward-transitions 1
%   port1.19: Version Multiple Spanning Tree Protocol - Received MSTP - Send MSTP
%   port1.19: No portfast configured - Current  portfast off
%   port1.19: bpdu-guard  disabled  - Current bpdu-guard off
%   port1.19: bpdu-filter disabled  - Current bpdu-filter off
%   port1.19: no root guard configured     - Current root guard off
%   port1.19: Configured Link Type point-to-point - Current point-to-point
%   port1.19: No auto-edge configured - Current port Auto Edge off
%

% Instance  1:  Vlans: 100
% Default: MSTI Root Path Cost 0 -MSTI Root Port 0 - MSTI Bridge Priority 32768
% Default: MSTI Root Id 8001ac44f2300110
% Default: MSTI Bridge Id 8001ac44f2300110
%   port1.19: Port Number 923 - Ifindex 5019 - Port Id 0x839b - Role Designated - State Forwarding
%   port1.19: Designated Internal Path Cost 0  - Designated Port Id 0x839b
%   port1.19: Configured Internal Path Cost 20000
%   port1.19: Configured CST External Path cost 20000
%   port1.19: CST Priority 128  - MSTI Priority 128
%   port1.19: Designated Root 8001ac44f2300110
%   port1.19: Designated Bridge 8001ac44f2300110
%   port1.19: Message Age 0
%   port1.19: Hello Time 2 - Forward Delay 15
%   port1.19: Forward Timer 0 - Msg Age Timer 0 - Hello Timer 0