I am trying to patch an external Controller using sACN.  I am not having any luck with it connecting or being found.  So my EOS  system is set up for 10 universes on NET3 gateways.  The LED controller that I am trying to connect does not show up even though I have gone into the settings on the device and set it for universe 11.  This device is using an IP address which I have set to be in the same network as the EOS Ti. ( Eos; LED Controller).  In looking at the sACN Viewer the Ip address in universe 11 is the same as the light board.  In looking at the gateways the same thing is true.  However if i go back out to the maintenance and the concert software I see that the IP addresses are all different for the various gateways but ultimately the first three sections of the IP are the same but the fourth its different.  

Do I need to do something different with the eos or the controller device that may allow then two to talk?

Thanks for any help, and  sorry I'm dangerous when it comes to talking network stuff.