diff --git a/config/switch.nix b/config/switch.nix
index 3a235be..5a4db76 100644
--- a/config/switch.nix
+++ b/config/switch.nix
@@ -255,10 +255,10 @@
         ap33.ports = [ "5" ];
         c3d2.ports = [ "8-20" ];
         # Testing
-        ap-test1.ports = [ "4" ];
+        ap-test1.ports = [ "7" ];
         bmx.ports = [ "7" ];
         # tmp Datenspuren: VOC
-        iso4.ports = [ "6" ];
+        iso4.ports = [ "4" "6" ];
       };
     };