Backing Up over a specified NIC

Hi,

Hope some one can point me in the right direction

I have in my backup server and also in my data server two NICS, (both servers have 1 teamed NIC and 1 1GB connection) I can see in the BE2012 how I can specify which network card for BE 2012 program to use,

But is there any way I can assign the remote agent (on the data server) to respond on the 1GB NIC only ?

Thanks

Graham