PLANET WGSW-52040 - Manual (Page 339)

19-108
spanning-tree mst cost
no spanning-tree mst cost
Function:
Sets path cost of the current port in the specified instance; the command “no spanning-tree mst
cost” restores the default setting.
Parameter:
sets the instance ID. The valid range is 0-64. sets path cost, different cost formats have
different ranges. For the default dot1t mode the valid range is 1-200,000,000, and for dot1d is 1-65535.
Command mode:
Port Mode
Default:
By default, the port cost is relevant to the port bandwidth.
Port Type Default Path Cost Suggested Range
10Mbps 2000000 2000000~20000000
100Mbps 200000 200000~2000000
1Gbps 20000 20000~200000
10Gbps 2000 2000~20000
For the aggregation ports, the default costs are as below:
Port Type Allowed Number Of Aggregation
Ports
Default Port Cost
10Mbps N 2000000/N
100Mbps N 200000/N
1Gbps N 20000/N
10Gbps N 2000/N
Port Speed Port Type Port Cost
802.1D-2008 802.1T
0 65535 200,000,000
10Mbps Half- duplex
Full- duplex
aggregation link with 2
ports
aggregation link with 3
ports
100
99
95
95
95
2,000,000
1,999,999
1,000,000
666,666
500,000