diff --git a/salt-pillar/switches/init.sls b/salt-pillar/switches/init.sls
index a6daa18..80124b6 100644
--- a/salt-pillar/switches/init.sls
+++ b/salt-pillar/switches/init.sls
@@ -289,6 +289,7 @@ switches:
           - g44
         vlans:
           - mgmt
+          - iso4
           - pub
           - c3d2
           - bmx
@@ -670,6 +671,7 @@ switches:
         lacp: no
         vlans:
           - mgmt
+          - iso4
           - pub
           - priv25
           - priv31
@@ -816,6 +818,7 @@ switches:
         ports: 21-24
         vlans:
           - mgmt
+          - iso4
           - pub
           - c3d2
           - bmx
@@ -855,10 +858,13 @@ switches:
           - pub
           - c3d2
           - bmx
+      iso4:
+        mode: access
+        ports: 6
       # Freifunk Mesh-on-LAN
       bmx:
         mode: access
-        ports: '6-7'
+        ports: 7
       c3d2:
         mode: access
         ports: '8-20'
@@ -900,7 +906,6 @@ switches:
       priv25:
         mode: access
         ports:
-          - 1
           - 2
           - 3
           - 4
@@ -917,9 +922,14 @@ switches:
         ports: 7,1/0/8
         vlans:
           - mgmt
+          - iso4
           - pub
           - priv25
           - priv31
+      iso4:
+        mode: access
+        ports:
+          - 1
     password: |
       -----BEGIN PGP MESSAGE-----