diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-41.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-41.json
index a5ad1d07c920686a62c86dcf5618043593b83f1a..a8d723811301ea260908bb631653a8d30148ebb1 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-41.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-41.json
@@ -154,7 +154,7 @@
       "sriov": false,
       "sriov_totalvfs": 0,
       "switch": "sgrvingt",
-      "switch_port": "TenGigabitEthernet 1/54/2",
+      "switch_port": "TenGigabitEthernet 1/41",
       "vendor": "Intel"
     },
     {
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-42.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-42.json
index 021e661200f4f471e82533b98de6f3e63207b608..76901631f09a5381ef84e23b9915cd01ee7c62d3 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-42.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-42.json
@@ -154,7 +154,7 @@
       "sriov": false,
       "sriov_totalvfs": 0,
       "switch": "sgrvingt",
-      "switch_port": "TenGigabitEthernet 1/54/1",
+      "switch_port": "TenGigabitEthernet 1/42",
       "vendor": "Intel"
     },
     {
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-45.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-45.json
index cf957a7207ed3cb5b81ab067b5cb269032d91fda..56610d59dae594fd57d9d9f302b480cb56514946 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-45.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-45.json
@@ -154,7 +154,7 @@
       "sriov": false,
       "sriov_totalvfs": 0,
       "switch": "sgrvingt",
-      "switch_port": "TenGigabitEthernet 1/54/4",
+      "switch_port": "TenGigabitEthernet 1/47",
       "vendor": "Intel"
     },
     {
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-46.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-46.json
index d88af99f5e682889592eae81c6994635321b9d92..b8f25a46071571cd04912892a6674b8e792f976d 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-46.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-46.json
@@ -154,7 +154,7 @@
       "sriov": false,
       "sriov_totalvfs": 0,
       "switch": "sgrvingt",
-      "switch_port": "TenGigabitEthernet 1/54/3",
+      "switch_port": "TenGigabitEthernet 1/46",
       "vendor": "Intel"
     },
     {
diff --git a/data/grid5000/sites/nancy/network_equipments/sgrvingt.json b/data/grid5000/sites/nancy/network_equipments/sgrvingt.json
index e8f818cb80e013d6799e96ec7a6c0ecb2bb894bd..d6d71f8ce1bfb656e4ea17445006b9cfd26c6163 100644
--- a/data/grid5000/sites/nancy/network_equipments/sgrvingt.json
+++ b/data/grid5000/sites/nancy/network_equipments/sgrvingt.json
@@ -252,8 +252,16 @@
           "uid": "grvingt-2"
         },
         {
+          "kind": "node",
+          "port": "eth0",
+          "snmp_name": "TenGigabitEthernet 1/41",
+          "uid": "grvingt-41"
         },
         {
+          "kind": "node",
+          "port": "eth0",
+          "snmp_name": "TenGigabitEthernet 1/42",
+          "uid": "grvingt-42"
         },
         {
           "kind": "server",
@@ -268,8 +276,16 @@
         {
         },
         {
+          "kind": "node",
+          "port": "eth0",
+          "snmp_name": "TenGigabitEthernet 1/46",
+          "uid": "grvingt-46"
         },
         {
+          "kind": "node",
+          "port": "eth0",
+          "snmp_name": "TenGigabitEthernet 1/47",
+          "uid": "grvingt-45"
         },
         {
           "kind": "router",
@@ -543,40 +559,6 @@
       ],
       "rate": 10000000000,
       "snmp_pattern": "TenGigabitEthernet 1/%LINECARD%/%PORT%"
-    },
-    {
-      "kavlan_pattern": "TenGigabitEthernet1/%LINECARD%/%PORT%",
-      "kind": "node",
-      "ports": [
-        {
-        },
-        {
-          "kind": "node",
-          "port": "eth0",
-          "snmp_name": "TenGigabitEthernet 1/54/1",
-          "uid": "grvingt-42"
-        },
-        {
-          "kind": "node",
-          "port": "eth0",
-          "snmp_name": "TenGigabitEthernet 1/54/2",
-          "uid": "grvingt-41"
-        },
-        {
-          "kind": "node",
-          "port": "eth0",
-          "snmp_name": "TenGigabitEthernet 1/54/3",
-          "uid": "grvingt-46"
-        },
-        {
-          "kind": "node",
-          "port": "eth0",
-          "snmp_name": "TenGigabitEthernet 1/54/4",
-          "uid": "grvingt-45"
-        }
-      ],
-      "rate": 10000000000,
-      "snmp_pattern": "TenGigabitEthernet 1/%LINECARD%/%PORT%"
     }
   ],
   "managed_by_us": true,
diff --git a/input/grid5000/sites/nancy/networks/sgrvingt.yaml b/input/grid5000/sites/nancy/networks/sgrvingt.yaml
index d0f4ed94aa627d03af48b08de864015cd2b2d245..3b432971f238a73802dde3669935a9910c0b8bdd 100644
--- a/input/grid5000/sites/nancy/networks/sgrvingt.yaml
+++ b/input/grid5000/sites/nancy/networks/sgrvingt.yaml
@@ -104,12 +104,16 @@ sgrvingt:
         38: grvingt-6
         39: grvingt-1
         40: grvingt-2
+        41: grvingt-41
+        42: grvingt-42
         43:
           uid: grvingt-srv
           kind: server
         44:
           uid: wurst
           kind: server
+        46: grvingt-46
+        47: grvingt-45
         48:
           uid: gw
           kind: router
@@ -163,13 +167,3 @@ sgrvingt:
         2: grvingt-59
         3: grvingt-64
         4: grvingt-63
-    54:
-      snmp_pattern: "TenGigabitEthernet 1/%LINECARD%/%PORT%"
-      kavlan_pattern: "TenGigabitEthernet1/%LINECARD%/%PORT%"
-      kind: node
-      rate: 10000000000
-      ports:
-        1: grvingt-42
-        2: grvingt-41
-        3: grvingt-46
-        4: grvingt-45