diff --git a/gns3server/modules/virtualbox/virtualbox_vm.py b/gns3server/modules/virtualbox/virtualbox_vm.py
index 546c2239..3c8d471a 100644
--- a/gns3server/modules/virtualbox/virtualbox_vm.py
+++ b/gns3server/modules/virtualbox/virtualbox_vm.py
@@ -805,12 +805,16 @@ class VirtualBoxVM(BaseVM):
 
         vm_state = yield from self._get_vm_state()
         if vm_state == "running":
-            # dynamically configure an UDP tunnel on the VirtualBox adapter
-            yield from self._control_vm("nic{} generic UDPTunnel".format(adapter_number + 1))
-            yield from self._control_vm("nicproperty{} sport={}".format(adapter_number + 1, nio.lport))
-            yield from self._control_vm("nicproperty{} dest={}".format(adapter_number + 1, nio.rhost))
-            yield from self._control_vm("nicproperty{} dport={}".format(adapter_number + 1, nio.rport))
-            yield from self._control_vm("setlinkstate{} on".format(adapter_number + 1))
+            if isinstance(nio, NIOUDP):
+                # dynamically configure an UDP tunnel on the VirtualBox adapter
+                yield from self._control_vm("nic{} generic UDPTunnel".format(adapter_number + 1))
+                yield from self._control_vm("nicproperty{} sport={}".format(adapter_number + 1, nio.lport))
+                yield from self._control_vm("nicproperty{} dest={}".format(adapter_number + 1, nio.rhost))
+                yield from self._control_vm("nicproperty{} dport={}".format(adapter_number + 1, nio.rport))
+                yield from self._control_vm("setlinkstate{} on".format(adapter_number + 1))
+            elif isinstance(nio, NIONAT):
+                yield from self._modify_vm("--nic{} nat".format(adapter_number + 1))
+                yield from self._modify_vm("--cableconnected{} on".format(adapter_number + 1))
 
         adapter.add_nio(0, nio)
         log.info("VirtualBox VM '{name}' [{id}]: {nio} added to adapter {adapter_number}".format(name=self.name,