[lucky_chouhan]

try same ip address like.

192.168.0.1 - 192.168.0.255
10.0.0.1 - 10.0.0.255

i have adsl modem and i have also networked in my 2nd PC.
for using internet ip is 192.168.0.1
for using LAN - 10.0.0.10 Server and 10.0.0.11 Client