diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-26.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-26.json
index 333ff14b68c2265e071a5d320eb321515eae6ea3..f949b6e5efe72fc61f1d0714929a3bf4203f4742 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-26.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-26.json
@@ -49,7 +49,7 @@
       "network_address": "parapluie-26.rennes.grid5000.fr",
       "rate": 1000000000,
       "switch": "c6509-grid",
-      "switch_port": null
+      "switch_port": "Gi4/46"
     },
     {
       "device": "eth2",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-28.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-28.json
index fb8d1712e80f2d5afc1d78dae96021d218d4895a..6d3b7aa7eb668f6529491dba11e2534735caabb7 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-28.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-28.json
@@ -49,7 +49,7 @@
       "network_address": "parapluie-28.rennes.grid5000.fr",
       "rate": 1000000000,
       "switch": "c6509-grid",
-      "switch_port": null
+      "switch_port": "Gi4/31"
     },
     {
       "device": "eth2",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-33.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-33.json
index c706b214d72dd7f7c1b882e14966d18518b58c6a..1535a829c114368669605be626c06740410366e8 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-33.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-33.json
@@ -49,7 +49,7 @@
       "network_address": "parapluie-33.rennes.grid5000.fr",
       "rate": 1000000000,
       "switch": "c6509-grid",
-      "switch_port": null
+      "switch_port": "Gi6/33"
     },
     {
       "device": "eth2",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-6.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-6.json
index fd220fa000f449cf776960a03adc750ce191782e..71ece76a301cc171fd375a5310186f4354500a2b 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-6.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-6.json
@@ -49,7 +49,7 @@
       "network_address": "parapluie-6.rennes.grid5000.fr",
       "rate": 1000000000,
       "switch": "c6509-grid",
-      "switch_port": null
+      "switch_port": "Gi2/36"
     },
     {
       "device": "eth2",