#        Sudo su

#        Nano /etc/network/interfaces

Up iptables-restore < /etc/iptables.conf

Auto eth0

Iface eth0 inet static

Address 172.16.10.5

Netmask 255.255.255.0

Gateway 172.16.10.1

            Auto eth1

            Iface eth1 inet static

                        Address 192.168.50.2

                        Netmask 255.255.255.0