Reference Guide
672 | Multiple Spanning Tree Protocol (MSTP)
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Figure 31-13.  SFTOS Example Running-Configuration
Debugging and Verifying MSTP Configuration
Display BPDUs using the command debug spanning-tree mstp bpdu from EXEC Privilege mode. Display 
MSTP-triggered topology change messages 
debug spanning-tree mstp events.
 spanning-tree
 spanning-tree configuration name Tahiti
 spanning-tree configuration revision 123
 spanning-tree MSTi instance 1
 spanning-tree MSTi vlan 1 100
 spanning-tree MSTi instance 2
 spanning-tree MSTi vlan 2 200
 spanning-tree MSTi vlan 2 300
 interface 1/0/31
 no shutdown
 spanning-tree port mode enable
 switchport protected 0
 exit
 interface 1/0/32
 no shutdown
 spanning-tree port mode enable
 switchport protected 0
 exit
 interface vlan 100
 tagged 1/0/31
 tagged 1/0/32
exit
 interface vlan 200
 tagged 1/0/31
 tagged 1/0/32
 exit
 interface vlan 300
 tagged 1/0/31
 tagged 1/0/32
 exit
Set Region Name and Revision
Map MSTP Instances to VLANs
Assign Layer-2 interfaces
to MSTP topology
Create VLANs mapped to MSTP Instances
Tag interfaces to VLANs
Enable MSTP globally










