diff --git a/branches/follower/wiz810mj/src/demo/WizDemo4/WizDemo4.pde b/branches/follower/wiz810mj/src/demo/WizDemo4/WizDemo4.pde
index 832b251..770a506 100644
--- a/branches/follower/wiz810mj/src/demo/WizDemo4/WizDemo4.pde
+++ b/branches/follower/wiz810mj/src/demo/WizDemo4/WizDemo4.pde
@@ -215,6 +215,33 @@ void Wiz810MjDevice::setMac(byte b0, byte b1, byte b2, byte b3, byte b4, byte b5
 
 /* ----------------------- */
 
+/* --  NetworkInterface -- */
+
+class NetworkInterface {
+  
+  public:
+    NetworkInterface(Wiz810MjDevice& networkDevice);
+
+    Wiz810MjDevice& device; // TODO: Make this a generic "network device" interface
+};
+
+NetworkInterface::NetworkInterface(Wiz810MjDevice& networkDevice) : device (networkDevice) {
+  /*
+
+    Note: The "weirdness" in this function declaration is a "initalization list",
+          i.e. this bit:
+    
+         ) : device (networkDevice) {
+  
+          it is needed to give the 'device' Reference a value supplied to the method
+          rather than having a new 'Wiz810MjDevice' instance created. 
+   */
+};
+
+// NetworkInterface Network = NetworkInterface(...); // TODO: Make this a global
+
+/* ----------------------- */
+
 
 // #define PIN_RESET 9 // WIZnet module /RESET
 
@@ -238,10 +265,14 @@ void setup () {
   
   WIZ810MJ.setMac(0x02,0xDE,0xAD,0xBE,0xEF,0x00);
    
-  WIZ810MJ.setIp(192,168,2,105);
+  // WIZ810MJ.setIp(192,168,2,105);
   WIZ810MJ.setMask(255,255,255,0);
   WIZ810MJ.setGateway(192,168,2,101);
    
+  NetworkInterface Network = NetworkInterface(WIZ810MJ); 
+  
+  Network.device.setIp(192,168,2,105);
+   
   Serial.println("End test W5100 configuration...");