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3-141
• MST Path Cost – This parameter is used by the MSTP to determine
the best path between devices. Therefore, lower values should be
assigned to ports attached to faster media, and higher values assigned
to ports with slower media. (Path cost takes precedence over port
priority.) Note that when the Path Cost Method is set to short
(page 3-63), the maximum path cost is 65,535.
- Range – Ethernet: 200,000-20,000,000
Fast Ethernet: 20,000-2,000,000
Gigabit Ethernet: 2,000-200,000
- Default – Ethernet – Half duplex: 2,000,000; full duplex:
1,000,000; trunk: 500,000
Fast Ethernet – Half duplex: 200,000; full duplex:
100,000; trunk: 50,000
Gigabit Ethernet – Full duplex: 10,000; trunk: 5,000
Web – Click Spanning Tree, MSTP, Port Configuration or Trunk
Configuration. Enter the priority and path cost for an interface, and click
Apply.
Figure 3-58 MSTP Port Configuration