Allied Telesis AT-S62 - Manual (Page 510)

Chapter 24: Multiple Spanning Tree Protocol
Section IV: Spanning Tree Protocols 510
Table 19 lists the MSTP port costs with Auto Update when the port
is part of a port trunk.
Parameter changes are immediately activated on the port.
7. After making changes, type R until you return to the Main Menu. Then
type S to select Save Configuration Changes.
Table 18 MSTP Auto Update Port Costs
Port Speed Port Cost
10 Mbps 2,000,000
100 Mbps 200,000
1000 Mbps 20,000
Table 19 MSTP Auto Update Port Trunk Costs
Port Speed Port Cost
10 Mbps 20,000
100 Mbps 20,000
1000 Mbps 2,000