(/etc/sysconfig) # iptables -L -n  -t nat
Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination         
DNAT       tcp  --  0.0.0.0/0            127.0.0.1           tcp dpt:3306 to:192.168.1.115:3306 

Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination         
SNAT       tcp  --  0.0.0.0/0            192.168.1.115       tcp dpt:3306 to:192.168.1.114:3306 

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination