Allied Telesis AT-S62 - Manual (Page 267)

AT-S62 Web Browser Interface User’s Guide
Section IV: Spanning Tree Protocols 267
Table 15 lists the MSTP port costs with the Auto setting when the
port is part of a port trunk.
5. After adjusting the parameters, click Apply.
6. To permanently save the changes, select the Save Config menu
selection.
7. Repeat this procedure to configure MSTP parameters for other switch
ports.
Table 15 MSTP Auto External Path Trunk Costs
Port Speed Port Cost
10 Mbps 20,000
100 Mbps 20,000
1000 Mbps 2,000