OS10 Enterprise Edition User Guide Release 10.4.0E(R3)

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show spanning-tree msti

Displays MST instance information.

Syntax
show spanning-tree msti [ instance-number [brief | guard | interface interface]]
Parameters
  • instance-number — (Optional) Displays MST instance information (0 to 63).
  • brief — (Optional) Displays MST instance summary information.
  • guard — (Optional) Displays which guard is enabled and current port state.
  • interface interface — (Optional) Displays interface type information:
    • ethernet node/slot/port[:subport] — Enter the Ethernet port information (1 to 48).
    • port-channel — Enter the port-channel interface information (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) port 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
                                       ...
                                    
Command History
10.2.0E or later

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