Allied Telesis AT-S62 - Manual (Page 292)

Chapter 20: Spanning Tree, Rapid Spanning Tree, and Multiple Spanning Tree Protocols
292 Section IV: Spanning Tree Protocols
Table 16 lists the MSTP port costs with the Auto setting when the port
is part of a port trunk.
Edge Port
This parameter defines whether the port is functioning as an edge port.
For an explanation of this parameter, refer to the AT-S62 Menus
Interface User’s Guide.
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 16. MSTP Auto External Path Trunk Costs
Port Speed Port Cost
10 Mbps 20,000
100 Mbps 20,000
1000 Mbps 2,000