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[Example]
Show MSTP information.
SWR2310>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 (port1.8)
Show detailed MSTP information for LAN port #8.
SWR2310>show spanning-tree mst detail interface port1.8
% 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
% port1.8: Port Number 912 - Ifindex 5008 - Port Id 0x8390 - Role Designated -
State Forwarding
% port1.8: Designated External Path Cost 0 -Internal Path Cost 0
% port1.8: Configured Path Cost 20000 - Add type Explicit ref count 2
% port1.8: Designated Port Id 0x8390 - CIST Priority 128 -
% port1.8: CIST Root 8000ac44f2300110
% port1.8: Regional Root 8000ac44f2300110
% port1.8: Designated Bridge 8000ac44f2300110
% port1.8: Message Age 0 - Max Age 20
% port1.8: CIST Hello Time 2 - Forward Delay 15
% port1.8: CIST Forward Timer 0 - Msg Age Timer 0 - Hello Timer 0 - topo change
timer 0
% port1.8: forward-transitions 1
% port1.8: Version Multiple Spanning Tree Protocol - Received MSTP - Send MSTP
% port1.8: No portfast configured - Current portfast off
% port1.8: bpdu-guard disabled - Current bpdu-guard off
% port1.8: bpdu-filter disabled - Current bpdu-filter off
% port1.8: no root guard configured - Current root guard off
% port1.8: Configured Link Type point-to-point - Current point-to-point
% port1.8: 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
% port1.8: Port Number 912 - Ifindex 5008 - Port Id 0x8390 - Role Designated -
State Forwarding
% port1.8: Designated Internal Path Cost 0 - Designated Port Id 0x8390
% port1.8: Configured Internal Path Cost 20000
% port1.8: Configured CST External Path cost 20000
% port1.8: CST Priority 128 - MSTI Priority 128
% port1.8: Designated Root 8001ac44f2300110
% port1.8: Designated Bridge 8001ac44f2300110
% port1.8: Message Age 0
% port1.8: Hello Time 2 - Forward Delay 15
% port1.8: Forward Timer 0 - Msg Age Timer 0 - Hello Timer 0
6.3.26 Show MST instance information
[Syntax]
show spanning-tree mst instance instance-id [interface ifname]
Command Reference | Layer 2 functions | 225