How to upload multiple files on ftp server with different local network card IP Addresses

Question

hi,
Problem is that,I have application which upload files on ftp server with lan card IP.But now i have 4 network card like lan card,wireless card,usb card and each card have its ip.

I want to split files into 4 number because i have 4 network card and simentenously upload each file on ftp server with different ip Address.


Any help ???????
Ragrds