Hi,

I have to interfaces eth0(10.0.0.7) and wlan1(10.0.0.8) in my box. An application is listening (say, udp socket) at 10.0.0.7:5888.

Now if someone sends packet at 10.0.0.8:5888, I want to forward them to 10.0.0.7:5888.

I have tried this -
iptables -t nat -A PREROUTING -p udp --dport 5888 -d 10.0.0.8 -j DNAT --to-destination 10.0.0.7

But Packets(with destination addr 10.0.0.8) are not received by the application (But they are received by the box, I have checked using wireshark). I have also enabled ip_forwarding.

Am I doing anything wrong? Please suggest accordingly.

Any other suggestion (without using iptable) is also welcome.

Chayan

Change or add a port to 10.0.0.7:

I'm not sure about the application though. Can it receive those packets and analyze it though...?

But in any case this is how it should forward traffic from 10.0.0.8:5888 to 10.0.0.7:5888.