hi people i need your help again! have a Network 200.40.227.66/255.255.255.240 i assign ips via DHCP and all machines connect to the server with iptables as gateway 200.40.227.66 but i have one problem. All machine go outside with the .66 IP I need this if my machine get via dhcp 200.40.227.71 go outside with .71 indiferent how is the gateway ip. .71 go outside .71 .75 go outside .75 and all the same form, i test with snat and dnat but nothing when i put snat 77 to 77 the conecction dead. If any help me please???? Thanks in advance. Pablo