CLI ReferenceInterface Configuration Commands MSTP Configuration Commands
Configure the name of MST.
Configure the version number of MST.
spanning-tree mst cost
This command is used to set the path cost of each instance in the interface configuration mode.
You can use the no form of the command to restore the default setting.
spanning-tree [ mst instance-id ] cost cost
no spanning-tree [ mst instance-id ] cost
Instance ID in the range of 0 to 64
Path cost in the range of 1 to 200,000,000
The default instance-id is 0.
The default value is calculated by the link rate of the interface automatically.
1000 Mbps—20000
100 Mbps—200000
10 Mbps—2000000
Interface configuration mode
A higher cost value means a higher path cost.
This example shows how to set the path cost to 400 on an interface associated with instances 3:
Ruijie(config)# interface gigabitethernet 1/1
Ruijie(config-if)# spanning-tree mst 3 cost 400
You can verify your settings by entering the show spanning-tree mst interface interface-id
command in privileged EXEC mode.
Show the MSTP information of an interface.
spanning-tree mst port-priority
Configure the priority of an interface.
spanning-tree mst priority
Configure the priority of an instance.