HP A6600 Configuration Manual page 70

• dot1t: The device calculates the default path cost for ports based on IEEE 802.1t.
• legacy: The device calculates the default path cost for ports based on a private standard.
To specify a standard for the device to use when calculating the default path cost:
To do...
1. Enter system view
2. Specify a standard for the
device to use when
calculating the default path
costs of its ports
Table 13 shows the mappings between the link speed and the path cost.
Table 13 Mappings between the link speed and the path cost
Link speed Port type
0 —
Single Port
Aggregate interface
containing 2 selected
ports
Aggregate interface
10 Mbps
containing 3 selected
ports
Aggregate interface
containing 4 selected
ports
Single Port
Aggregate interface
containing 2 selected
ports
Aggregate interface
100 Mbps
containing 3 selected
ports
Aggregate interface
containing 4 selected
ports
Single Port
Aggregate interface
containing 2 selected
1000 Mbps ports
Aggregate interface
containing 3 selected
ports
Use the command...
system-view
stp pathcost-standard
{ dot1d-1998 | dot1t | legacy }
Path cost
IEEE
802.1d-1998
65,535
100
19
4
63
Remarks
—
Required
IEEE 802.1t Private standard
200,000,000 200,000
2,000,000 2,000
1,000,000 1,800
666,666 1,600
500,000 1,400
200,000 200
100,000 180
66,666 160
50,000 140
20,000 20
10,000 18
6666 16