！Configure the cost for port 2 in instance 1 to be 200
QTECH(config-if-ethernet-0/0/2)#spanning-tree mst instance 1 cost 200
7.2.8 spanning-tree mst instance port-priority
Use spanning-tree mst instance port-priority command to configure the priority of
port in STP instance.
spanning-tree mst instance instance-num port-priority priority
no spanning-tree mst instance instance-num port-priority
【Parameter】
instance-num：MSTP instance number which is in the range of 0-15
priority：port priority which is the integer times of 16 and is in the range of 1-240
【Default】
The priority of port in each instance is 128
【Command configuration mode】
Interface configuration mode
【Example】
7-28
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