Use the "etherconfig" command to view and configure the Ethernet parameters.
View settings
msh> etherconfig
Specify Ethernet speed
msh> etherconfig speed {auto|10f|10h|100f|100h}
auto = Auto Select
10f = 10 Mbps Full Duplex
10h = 10 Mbps Half Duplex
100f = 100 Mbps Full Duplex
100h = 100 Mbps Half Duplex
The default is "auto".