Mini2440 # printenv
bootdelay=3
baudrate=115200
netmask=255.255.255.0
stdin=serial
stdout=serial
stderr=serial
gatewayip=172.18.47.254
serverip=172.18.47.102
ipaddr=172.18.47.103
gateway=172.18.47.254
ethaddr=08:90:90:90:90:90
Environment size: 207/65532 bytes
Mini2440 # ping 172.18.47.102
dm9000 i/o: 0x20000300, id: 0x90000a46
DM9000: running in 16 bit mode
MAC: 08:90:90:90:90:90
ping failed; host 172.18.47.102 is not alive
就是这样咯,一直ping不了虚拟机的ip,虚拟机ip为serverip=172.18.47.102
高手们,求解啊