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The set protocols spanning-tree mstp vlan command adds a VLAN to an MSTI.

Command Syntax

set protocols spanning-tree mstp msti <instance-id> vlan <vlan-id>




msti <instance-id>

Specifies the MST instance. The value is an integer that ranges from 1 to 16.

vlan <vlan-id>

Specifies the bridge priority of the switching device for an MSTI.

The value is an integer ranges from 1 to 4094. e.g. 2,3,5-100.

Usage Guidelines

The MSTIs are independent of each other, and the MSTI can correspond to one or more VLANs. However, a VLAN can only correspond to one MSTI. By default, all VLANs in the MST region are mapped to instance 0.


  • Add VLAN 100 to MSTI 5.
admin@Xorplus# set protocols spanning-tree mstp msti 5 vlan 100
admin@Xorplus# commit
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