hello  i have internet cafe with 50 client and 1 server with 16 public address
client1, client2, client3, client4  exit to ip.public.no.1 
client5, client6, client7, client8  exit to ip.public.no.2 
client9, client10, client11, client12  exit to ip.public.no.3
........
........
client ip address 192.168.1.1 - 192.168.1.50
public ip address 202.47.12.30 - 202.47.12.45
 
any one can help ?
i have installed redhat7.2 for server