Dell EMC SmartFabric OS10 User Guide Release 10.5.0

When you enable MST globally, all switch ports, port-channels, and VLAN interfaces get automatically assigned to MSTI zero (0). In a MSTI, only one path is enabled for forwarding.

• Enable MST in CONFIGURATION mode.

  spanning-tree mode mst

Configure and verify MSTP

OS10(config)# spanning-tree mode mst
OS10(config)# do show spanning-tree
show spanning-tree mst configuration
Region Name: abc
Revision: 0
MSTI    VID
0       1,7-4093
1       2
2       3
3       4
4       5
5       6