A.iptables - t nat - A ROUTING -o eth0 - j MASQUERADE
B.iptables - t nat - A PREROUTING -i eth0 - j MASQUERADE
C.iptables - t nat - A POSTROUTING -o eth0-j MASQERADE
D.iptables - t nat - A POSTROUTING -o erh1 -j MASQUERADE
E.iptables - t nat - A POSTROUTING -o erth0 -j SNAT - TO 67.36.6.192