diff --git a/EduNetworkBuilder/ActionClass.cs b/EduNetworkBuilder/ActionClass.cs
index 0da3560..ad66197 100644
--- a/EduNetworkBuilder/ActionClass.cs
+++ b/EduNetworkBuilder/ActionClass.cs
@@ -260,6 +260,14 @@ namespace EduNetworkBuilder
                     if (source != null)
                         source.TracerouteFromHere(Destination);
                     break;
+                case NBAction.replace:
+                    break;
+                case NBAction.replaceUPS:
+                    break;
+                case NBAction.poweroff:
+                    break;
+                case NBAction.poweron:
+                    break;
             }
         }
     }