Please paste the output of ifconfig so I can see the cirrent configuration for eth0
Example:
root@loaclhost# ifconfig eth0 > ~/ifconfig.txt
Then paste the contents of ifconfig.txt.
This is the output of ifconfig[root@localhost root]# ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:03:FF:6C:0F:A5
inet addr:192.168.0.188 Bcast:192.168.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:709 errors:0 dropped:0 overruns:0 frame:0
TX packets:422 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:109190 (106.6 Kb) TX bytes:53595 (52.3 Kb)
Interrupt:11 Base address:0xa000