diff --git a/data/grid5000/sites/sophia/clusters/esterel41/nodes/esterel41-1.json b/data/grid5000/sites/sophia/clusters/esterel41/nodes/esterel41-1.json
index 1c92c66ca8b0c8d2b07919575fae2507af69d507..173f0b4115dffb25a1dab822a8726997dca9e80a 100644
--- a/data/grid5000/sites/sophia/clusters/esterel41/nodes/esterel41-1.json
+++ b/data/grid5000/sites/sophia/clusters/esterel41/nodes/esterel41-1.json
@@ -167,8 +167,8 @@
       "rate": 1000000000,
       "sriov": false,
       "sriov_totalvfs": 0,
-      "switch": null,
-      "switch_port": null,
+      "switch": "gw-ng",
+      "switch_port": "1/1/36",
       "vendor": "Broadcom Inc. and subsidiaries"
     },
     {
diff --git a/data/grid5000/sites/sophia/network_equipments/gw-ng.json b/data/grid5000/sites/sophia/network_equipments/gw-ng.json
index 2002688fee1792678edbe80835bca9272748e585..5c9423dc155ac6c69df3a1aab8a92f3bb3b9de40 100644
--- a/data/grid5000/sites/sophia/network_equipments/gw-ng.json
+++ b/data/grid5000/sites/sophia/network_equipments/gw-ng.json
@@ -107,6 +107,10 @@
         {
         },
         {
+          "kind": "node",
+          "port": "eth0",
+          "snmp_name": "1/1/36",
+          "uid": "esterel41-1"
         },
         {
         },
diff --git a/input/grid5000/sites/sophia/networks/gw-ng.yaml b/input/grid5000/sites/sophia/networks/gw-ng.yaml
index 3b9f1302c91ddc0ae5fcc37f80a4dbe3dfc6f1da..2f7abbddcd1545a3caf825fb624e18fc7efe645f 100644
--- a/input/grid5000/sites/sophia/networks/gw-ng.yaml
+++ b/input/grid5000/sites/sophia/networks/gw-ng.yaml
@@ -14,6 +14,8 @@ gw-ng:
       rate: 1000000000
       kind: node
       ports:
+        36:
+          uid: esterel41-1
         47:
           uid: sw-3
           kind: switch