iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE iptables -A FORWARD -i eth1 -o eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT iptables -A FORWARD -i eth1 -o eth0 -j ACCEPT
vi /etc/dhcpd.conf interface eth1 static ip_address=172.16.12.100 /24
apt-get install -y dnsmasq vi /etc/dnsmasq.conf
interface=eth1 dhcp-range=172.16.12.10,172.16.12.50,255.255.255.0,24h dhcp-option=option:router,172.16.12.100
service dnsmasq restart