Help, about net!

hanyong799210

GDB/ARMulator support by <[email protected]>
For further information check:
http://www.uclinux.org/

Command: /bin/ifconfig eth0 up 10.0.0.2
Execution Finished, Exiting

Sash command shell (version 1.1.1)
/> ping 10.0.0.2
PING 10.0.0.2 (10.0.0.2): 56 data bytes
ping: sendto: Invalid argument
ping: wrote 10.0.0.2 64 chars, ret=-1
ping: sendto: Invalid argument
ping: wrote 10.0.0.2 64 chars, ret=-1

and


/> ifconfig
eth0      Link encap:Ethernet  HWaddr 00:04:03:02:01:0F
          inet addr:10.0.0.2  Bcast:10.255.255.255  Mask:255.0.0.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:0 (0.0 iB)  TX bytes:0 (0.0 iB)
          Interrupt:16

/> ping 10.0.0.1
PING 10.0.0.1 (10.0.0.1): 56 data bytes
64 bytes from 10.0.0.1: icmp_seq=0 ttl=64 time=-1.-2 ms
64 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=0.-7 ms


in my skyeye.conf, the hostip is 10.0.0.1

i want to know the reason, i am a junior, thanks!