亲测可用，iptables实现NAT转发。

echo 1 > /proc/sys/net/ipv4/ip_forward

modprobe ip_conntrack

iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT

iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT

iptables -t nat -A PREROUTING -d 192.168.1.7/32 -p tcp --dport 7410 -j DNAT --to-destination 192.168.1.160:9200;
iptables -t nat -A POSTROUTING -d 192.168.1.160/32 -p tcp --dport 9200 -j SNAT --to-source 192.168.1.7;

service iptables save
service iptables restart

telnet 192.168.1.7:7410 

### 停止
service iptables stop
### 查看状态
service iptables status
### 备份
iptables-save > ables.bak
### 还原
iptables-restore < iptables.bak