openstack 2 ip

openstack 2 ip:

cloud-init to add user password:
#cloud-config
chpasswd:
  list: |
    ubuntu:ubuntu
  expire: False

ifconfig ens5 192.168.4.13 netmask 255.255.255.0 up

cat /proc/sys/net/ipv4/ip_forward

If it is 1 (enabled), go ahead. If not, you will have to put net.ipv4.ip_forward=1 on /etc/sysctl.conf and run sysctl -p.

iptables -t nat -A  PREROUTING -d 217.77.95.129 -j DNAT --to-destination 192.168.4.11
sudo iptables -t nat -A POSTROUTING -s 192.168.10.11 -j SNAT --to-source 217.77.95.129
/etc/init.d/networking restart

iptables -A PREROUTING -s ${source} -d ${dest} -p tcp --dport ${port} -j DNAT --to-destination ${redirect}

create virtual interfaces: https://superuser.com/questions/153415/how-do-you-create-a-new-network-eth

iptables --table nat --append PREROUTING --in-interface ens4 --dest 217.77.95.129 -j DNAT --to-destination 192.168.4.14

iptables --table nat --append POSTROUTING --out-interface ens4 -source 192.168.4.0/24 --dest 192.168.4.14 SNAT --to-source 192.168.1.1