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Chapter 4: Web-Based Management
NOTE:
Path cost "0" is used to indicate auto-configuration mode. When the short path
cost method is selected and the default path cost recommended by the IEEE 8021w
standard exceeds 65,535, the default is set to 65,535.
By default, the system automatically detects the speed and duplex mode used on
each port, and configures the path cost according to the values shown below.
Table 4-1: Recommended STP Path Cost Range
Port Type
Ethernet
Fast Ethernet
Gigabit Ethernet
Table 4-2: Recommended STP Path Cost Range
Port Type
Link Type
Ethernet
Half Duplex
Full Duplex
Trunk
Fast Ethernet
Half Duplex
Full Duplex
Trunk
Gigabit Ethernet
Full Duplex
Trunk
80
IEEE 802.1D-1998
IEEE 802.1w-2001
50-600
200,000-20,000,000
10-60
20,000-2,000,000
3-10
2,000-200,000
IEEE 802.1D-1998
100
95
90
19
18
15
4
3
IEEE 802.1w-2001
2,000,000
1,999,999
1,000,000
200,000
100,000
50,000
10,000
5,000
GE-DS-242-PoE Managed Ethernet Switch User Manual
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