ifconfig -a will tell you what they are called.
these commands may help:
ndd -get /dev/hme link_status
0 is down, 1 is link up
ndd -get /dev/hme link_mode
0=half duplex, 1=full duplex
ndd -get /dev/hme link_speed
0 = 10 Mb, 1 = 100 Mb
netstat –r displays routing table
hope it helps.