diff --git a/xos/attic/vrouterapp_model.py b/xos/attic/vrouterapp_model.py
new file mode 100644
index 0000000..aef51e9
--- /dev/null
+++ b/xos/attic/vrouterapp_model.py
@@ -0,0 +1,11 @@
+def _get_interfaces(self):
+    app_interfaces = []
+    devices = VRouterDevice.objects.filter(vrouter_service=self.vrouter_service)
+    for device in devices:
+        ports = VRouterPort.objects.filter(vrouter_device=device.id)
+        for port in ports:
+            interfaces = VRouterInterface.objects.filter(vrouter_port=port.id)
+            for iface in interfaces:
+                app_interfaces.append(iface.name)
+    return app_interfaces
+