diff --git a/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-1.json b/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-1.json
index 9a1431acb65430b7eac002b34e0b5614e21ecaf9..9d334ca6dbf431a45df7f7a574993250c5e42e29 100644
--- a/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-1.json
+++ b/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-1.json
@@ -51,8 +51,8 @@
       "name": "enp1s0f0np0",
       "network_address": "chartreuse3-1.grenoble.grid5000.fr",
       "rate": 10000000000,
-      "switch": null,
-      "switch_port": null
+      "switch": "imag-1b-F3-prod-01",
+      "switch_port": "1/1/12"
     },
     {
       "device": "bmc",
diff --git a/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-2.json b/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-2.json
index d5e05397ceec9f7a9de121e1270a9e5c2c3ebc34..8af9036651e415a44b1f82580721e0cc2b77d8d8 100644
--- a/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-2.json
+++ b/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-2.json
@@ -51,8 +51,8 @@
       "name": "enp1s0f0np0",
       "network_address": "chartreuse3-2.grenoble.grid5000.fr",
       "rate": 10000000000,
-      "switch": null,
-      "switch_port": null
+      "switch": "imag-1b-F3-prod-01",
+      "switch_port": "1/1/9"
     },
     {
       "device": "bmc",
diff --git a/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-3.json b/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-3.json
index ab23d2304b1ed91f58d00f5d26117e2c7b03b31a..2980d44b8f9f40884815e2eea7e3dfa30fa06f89 100644
--- a/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-3.json
+++ b/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-3.json
@@ -51,8 +51,8 @@
       "name": "enp1s0f0np0",
       "network_address": "chartreuse3-3.grenoble.grid5000.fr",
       "rate": 10000000000,
-      "switch": null,
-      "switch_port": null
+      "switch": "imag-1b-F3-prod-01",
+      "switch_port": "1/1/10"
     },
     {
       "device": "bmc",
diff --git a/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-4.json b/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-4.json
index 66bf1adc3a88b87241875cef8397e3312a508956..5281471e038c29a6ce717cba7fc6ca1e225d192c 100644
--- a/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-4.json
+++ b/data/grid5000/sites/grenoble/clusters/chartreuse3/nodes/chartreuse3-4.json
@@ -51,8 +51,8 @@
       "name": "enp1s0f0np0",
       "network_address": "chartreuse3-4.grenoble.grid5000.fr",
       "rate": 10000000000,
-      "switch": null,
-      "switch_port": null
+      "switch": "imag-1b-F3-prod-01",
+      "switch_port": "1/1/11"
     },
     {
       "device": "bmc",
diff --git a/data/grid5000/sites/grenoble/network_equipments/imag-1b-F3-prod-01.json b/data/grid5000/sites/grenoble/network_equipments/imag-1b-F3-prod-01.json
index 2e0e697d3dd2dd8df19a462cb7b94556fccd4855..e20fdc6efe5041bd41a13bdc0754f0eab6ed79c1 100644
--- a/data/grid5000/sites/grenoble/network_equipments/imag-1b-F3-prod-01.json
+++ b/data/grid5000/sites/grenoble/network_equipments/imag-1b-F3-prod-01.json
@@ -65,12 +65,32 @@
           "uid": "chartreuse2-4"
         },
         {
+          "kind": "node",
+          "port": "eth0",
+          "rate": 10000000000,
+          "snmp_name": "1/1/9",
+          "uid": "chartreuse3-2"
         },
         {
+          "kind": "node",
+          "port": "eth0",
+          "rate": 10000000000,
+          "snmp_name": "1/1/10",
+          "uid": "chartreuse3-3"
         },
         {
+          "kind": "node",
+          "port": "eth0",
+          "rate": 10000000000,
+          "snmp_name": "1/1/11",
+          "uid": "chartreuse3-4"
         },
         {
+          "kind": "node",
+          "port": "eth0",
+          "rate": 10000000000,
+          "snmp_name": "1/1/12",
+          "uid": "chartreuse3-1"
         },
         {
         },
diff --git a/input/grid5000/sites/grenoble/networks/imag-1b-F3-prod-01.yaml b/input/grid5000/sites/grenoble/networks/imag-1b-F3-prod-01.yaml
index 71d1e0074e4c5699859c210a8bb1279d98883f23..744e97bbd894e27ff55c68258a520628fbcb354a 100644
--- a/input/grid5000/sites/grenoble/networks/imag-1b-F3-prod-01.yaml
+++ b/input/grid5000/sites/grenoble/networks/imag-1b-F3-prod-01.yaml
@@ -35,6 +35,18 @@ imag-1b-F3-prod-01:
         8:
           uid: chartreuse2-4
           rate: 10_000_000_000
+        9:
+          uid: chartreuse3-2
+          rate: 10_000_000_000
+        10:
+          uid: chartreuse3-3
+          rate: 10_000_000_000
+        11:
+          uid: chartreuse3-4
+          rate: 10_000_000_000
+        12:
+          uid: chartreuse3-1
+          rate: 10_000_000_000
         22:
           uid: nessie-1
         39: