H3C S7500 Series Ethernet Switches Operation Manual

Operation Manual – MSTP
H3C S7500 Series Ethernet Switches Chapter 1
MSTP Configuration
1-26
To do ... Use the command ... Remarks
Enter system view
system-view
—
Specify the standard to
be used to calculate the
default path costs of the
links connected to the
ports of the switch
stp
pathcost-standard
{ dot1d-1998 | dot1t |
legacy }
Optional
By default, the legacy
standard is used to calculate
the default path costs.
Table 1-2 Transmission speeds and the corresponding path costs
Transmission
speed
Operation mode
(half-/full-duple
x)
802.1D-1998 IEEE 802.1t
Proprietary
standard
0
—
65,535 200,000,000 200,000
10 Mbps
Half-duplex/Full-
duplex
Aggregated link
2 ports
Aggregated link
3 ports
Aggregated link
4 ports
100
95
95
95
2,000,000
1,000,000
666,666
500,000
2,000
1,800
1,600
1,400
100 Mbps
Half-duplex/Full-
duplex
Aggregated link
2 ports
Aggregated link
3 ports
Aggregated link
4 ports
19
15
15
15
200,000
100,000
66,666
50,000
200
180
160
140
1,000 Mbps
Full-duplex
Aggregated link
2 ports
Aggregated link
3 ports
Aggregated link
4 ports
4
3
3
3
20,000
10,000
6,666
5,000
20
18
16
14
10 Gbps
Full-duplex
Aggregated link
2 ports
Aggregated link
3 ports
Aggregated link
4 ports
2
1
1
1
2,000
1,000
666
500
2
1
1
1