diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-39.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-39.json
index 0a4aa11325547c4362f873b9d932708f14c52f5b..9b01acf5e194d7d5c910369f44ba7e19e51b2849 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-39.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-39.json
@@ -156,7 +156,7 @@
       "sriov": false,
       "sriov_totalvfs": 0,
       "switch": "sgrvingt",
-      "switch_port": "TenGigabitEthernet 1/19",
+      "switch_port": "TenGigabitEthernet 1/20",
       "vendor": "Intel"
     },
     {
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-40.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-40.json
index b59d4dbc00fbd79f194a7af194fa92d9deec7bc2..26e0fb8b711dd8da4c4b6041575d2f1b20207850 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-40.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-40.json
@@ -156,7 +156,7 @@
       "sriov": false,
       "sriov_totalvfs": 0,
       "switch": "sgrvingt",
-      "switch_port": "TenGigabitEthernet 1/49/1",
+      "switch_port": "TenGigabitEthernet 1/19",
       "vendor": "Intel"
     },
     {
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-44.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-44.json
index ae6e0dda3c5e6bb289e7656da581974d0e107851..6c856b106c90e7a93254baf1eb75e1c7dedbf1e0 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-44.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-44.json
@@ -156,7 +156,7 @@
       "sriov": false,
       "sriov_totalvfs": 0,
       "switch": "sgrvingt",
-      "switch_port": "TenGigabitEthernet 1/20",
+      "switch_port": "TenGigabitEthernet 1/49/1",
       "vendor": "Intel"
     },
     {
diff --git a/data/grid5000/sites/nancy/network_equipments/sgrvingt.json b/data/grid5000/sites/nancy/network_equipments/sgrvingt.json
index 5782b0fb5889775cb5e5604b7f27179b73ea74e1..8803878fd5c73c3cda17110ef9fc54f1bf73bab6 100644
--- a/data/grid5000/sites/nancy/network_equipments/sgrvingt.json
+++ b/data/grid5000/sites/nancy/network_equipments/sgrvingt.json
@@ -123,13 +123,13 @@
           "kind": "node",
           "port": "eth0",
           "snmp_name": "TenGigabitEthernet 1/19",
-          "uid": "grvingt-39"
+          "uid": "grvingt-40"
         },
         {
           "kind": "node",
           "port": "eth0",
           "snmp_name": "TenGigabitEthernet 1/20",
-          "uid": "grvingt-44"
+          "uid": "grvingt-39"
         },
         {
           "kind": "node",
@@ -406,7 +406,7 @@
           "kind": "node",
           "port": "eth0",
           "snmp_name": "TenGigabitEthernet 1/49/1",
-          "uid": "grvingt-40"
+          "uid": "grvingt-44"
         },
         {
           "kind": "node",
diff --git a/input/grid5000/sites/nancy/networks/sgrvingt.yaml b/input/grid5000/sites/nancy/networks/sgrvingt.yaml
index bd28880f80f6b5bb6616ab35189a9a8a74f8de72..c34ffa91db7d0e9f12dd6e9a36e61cf964996bbb 100644
--- a/input/grid5000/sites/nancy/networks/sgrvingt.yaml
+++ b/input/grid5000/sites/nancy/networks/sgrvingt.yaml
@@ -83,8 +83,8 @@ sgrvingt:
         16: grvingt-32
         17: grvingt-35
         18: grvingt-36
-        19: grvingt-39
-        20: grvingt-44
+        19: grvingt-40
+        20: grvingt-39
         21: grvingt-38
         22: grvingt-37
         24: grvingt-34
@@ -122,7 +122,7 @@ sgrvingt:
       kind: node
       rate: 10000000000
       ports:
-        1: grvingt-40
+        1: grvingt-44
         2: grvingt-43
         3: grvingt-48
         4: grvingt-47