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Dell EMC SmartFabric OS10 User Guide Release 10.5.1

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show spanning-tree msti

Displays MST instance information.

Syntax
show spanning-tree msti [instance-number [brief | guard | virtual-interface | interface interface]]
Parameters
  • instance-number — (Optional) Displays MST instance information, from 0 to 63. For Z9332F-ON platform, enter a MST instance value from 0 to 61.
  • brief — (Optional) Displays MST instance summary information.
  • guard — (Optional) Displays which guard is enabled and the current port state.
  • virtual-interface—(Optional) Displays MST information specific to VLT.
  • interface interface—(Optional) Displays interface type information:
    • ethernet node/slot/port[:subport] — Enter the Ethernet port information, from 1 to 48.
    • port-channel — Enter the port-channel interface information, from 1 to 128.
Default
Not configured
Command Mode
EXEC
Usage Information
View the MST instance information for a specific MST instance number in detail or brief, or view physical Ethernet ports or port-channel information.
Example (Brief)
OS10# show spanning-tree msti 0 brief
Spanning tree enabled protocol msti with force-version mst
MSTI 0 VLANs mapped 1-99,101-199,301-4093
Executing IEEE compatible Spanning Tree Protocol
Root ID    Priority 32768, Address 90b1.1cf4.9b8a
Root Bridge hello time 2, max age 20, forward delay 15, max hops 20
Bridge ID    Priority 32768, Address 90b1.1cf4.9b8a
We are the root of MSTI 0
Configured hello time 2, max age 20, forward delay 15, max hops 20
Interface                                            Designated
Name         PortID   Prio  Cost    Sts  Cost Bridge ID   PortID  
----------------------------------------------------------------
ethernet1/1/1  132.128 128 200000000 BLK  0 32768 90b1.1cf4.9b8a 128.132
ethernet1/1/2  136.128 128 200000000 BLK  0 32768 90b1.1cf4.9b8a 128.136
ethernet1/1/3 140.128  128 200000000 BLK  0 32768 90b1.1cf4.9b8a 128.140
ethernet1/1/4  144.128 128 200000000 BLK  0 32768 90b1.1cf4.9b8a 128.144
ethernet1/1/5  148.128 128 200000000 BLK  0 32768 90b1.1cf4.9b8a 128.148
ethernet1/1/6  152.128 128 200000000 BLK  0 32768 90b1.1cf4.9b8a 128.152
ethernet1/1/7  156.128 128 200000000 BLK  0 32768 90b1.1cf4.9b8a 128.156
...
Interface
Name          Role  PortID  Prio  Cost     Sts  Cost Link-type Edge
---------------------------------------------------------------
ethernet1/1/1  Disb 128.132  128  200000000 BLK  0    SHARED    No
ethernet1/1/2  Disb 128.136  128  200000000 BLK  0    SHARED    No
ethernet1/1/3  Disb 128.140  128  200000000 BLK  0    SHARED    No
ethernet1/1/4  Disb 128.144  128  200000000 BLK  0    SHARED    No
ethernet1/1/5  Disb 128.148  128  200000000 BLK  0    SHARED    No
ethernet1/1/6  Disb 128.152  128  200000000 BLK  0    SHARED    No
ethernet1/1/7  Disb 128.156  128  200000000 BLK  0    SHARED    No
ethernet1/1/8  Disb 128.160  128  200000000 BLK  0    SHARED    No
ethernet1/1/9  Disb 128.164  128  200000000 BLK  0    SHARED    No
Example (Interface)
OS10# show spanning-tree msti 1 interface ethernet 1/1/1
ethernet1/1/1 of vlan1 is root Forwarding
Edge port:no (default) port guard :none (default)
Link type is point-to-point (auto)
Boundary :internal bpdu filter : bpdu guard :  bpduguard shutdown-on-
violation :disable  RootGuard:  disable LoopGuard  disable
Bpdus (MRecords) sent 3779, received 7
Interface                                         Designated
 Name       PortID  Prio  Cost  Sts Cost Bridge ID     PortID
------------------------------------------------------------
ethernet1/1/1 128.132 128 20000 FWD 0 32768 74e6.e2f5.dd80 128.132
Example (Guard)
OS10# show spanning-tree msti 1 guard
Interface
Name             Instance  Sts   Guard Type
------------------------------------------
ethernet1/1/1    MSTI 1      FWD   root
ethernet1/1/2    MSTI 1      FWD   loop
ethernet1/1/3    MSTI 1      BLK   none
ethernet1/1/4    MSTI 1      FWD   none
ethernet1/1/5    MSTI 1      BLK   none
ethernet1/1/6    MSTI 1      BLK   none
ethernet1/1/7    MSTI 1      BLK   none
ethernet1/1/8    MSTI 1      BLK   none
...
Example (virtual-interface)
agg-6146 # show spanning-tree msti 0 virtual-interface 
VFP(VirtualFabricPort) of MSTI 0 is Designated Forwarding
Edge port: No (default)
Link type: point-to-point (auto)
Boundary: No, Bpdu-filter: Disable, Bpdu-Guard: Disable, Shutdown-on-Bpdu-Guard-violation: No
Root-Guard: Disable, Loop-Guard: Disable
Bpdus (MRecords) Sent: 250, Received: 240
Interface                                                             Designated
Name                       PortID    Prio    Cost    Sts      Cost    Bridge ID                PortID  
-------------------------------------------------------------------------------------------------------------------
VFP(VirtualFabricPort)     0.1       0       1       FWD      0       32768    3417.ebf2.a8c4  0.1  
Command History
10.2.0E or later

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