sdn-installation.markdown

@@ -14,7 +14,7 @@ On the SDN Control Node:
 
 3. [use ``screen`` to run opendaylight in background after logout]
 
-4. execute ``./run.sh -virt vtn``
+4. execute ``./run.sh -virt ovsdb -start``
 
 ## Access and control OpenDaylight