Reference Guide

Usage
Information
Enable MSTl prior to using this command.
Example
OS10# show spanning-tree mst configuration
Region Name: asia
Revision: 0
MSTI VID
0 1,7-4093
1 2
2 3
3 4
4 5
5 6
Supported
Releases
10.2.0E or later
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
Layer 2
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