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Parameter
instance-id —— Instance ID, ranging from 1 to 8.
pri —— Port Priority, which must be multiple of 16 ranging from 0 to 240. By
default, it is 128. Port Priority is an important criterion on determining if the port
will be chosen as the root port by the device connected to this port.
cost —— Path Cost, ranging from 0 to 200000. The lower value has the hi gher
priority. Its default value is 0 meaning “auto”.
Command Mode
Interface Configuration Mode (interface gigabitEthernet / interface range
gigabitEthernet)
Example
Configure the priority of port 1 in MST Instance 1 as 64, and path cost as 2000:
TL-SG2424(config)# interface gigabitEthernet 1/0/1
TL-SG2424(config-if)# spanning-tree mst instance 1 port-priority 64 cost
2000
spanning-tree priority
Description
The spanning-tree priority command is used to configure the bridge priority. To
return to the default value of bridge priority, please use no spanning-tree
priority command.
Syntax
spanning-tree priority pri
no spanning-tree priority
Parameter
pri —— Bridge priority, ranging from 0 to 61440. It is 32768 by default.
Command Mode
Global Configuration Mode
Example
Configure the bridge priority as 4096:
TL-SG2424(config)# spanning-tree priority 4096