diff --git a/data/grid5000/sites/nancy/network_equipments/gw-next.json b/data/grid5000/sites/nancy/network_equipments/gw-next.json
new file mode 100644
index 0000000000000000000000000000000000000000..649bf76cac36328638f35e4d3aaa848b23833368
--- /dev/null
+++ b/data/grid5000/sites/nancy/network_equipments/gw-next.json
@@ -0,0 +1,134 @@
+{
+  "alias": [
+    {
+      "ip": "172.17.79.252",
+      "name": "gw-next-adm"
+    }
+  ],
+  "backplane_bps": 1440000000000,
+  "ip": "172.17.79.251",
+  "kind": "switch",
+  "linecards": [
+    {
+    },
+    {
+      "kavlan_pattern": "%LINECARD%/1/%PORT%",
+      "kind": "node",
+      "ports": [
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+        },
+        {
+          "kind": "switch",
+          "rate": 40000000000,
+          "snmp_name": "1/1/49",
+          "uid": "sgros1"
+        }
+      ],
+      "rate": 10000000000,
+      "snmp_pattern": "%LINECARD%/1/%PORT%"
+    }
+  ],
+  "managed_by_us": true,
+  "model": "Aruba 8325-48Y8C JL635A",
+  "serial": "TW32KM007R",
+  "site": "nancy",
+  "snmp_community": "public",
+  "type": "network_equipment",
+  "uid": "gw-next"
+}
\ No newline at end of file
diff --git a/data/grid5000/sites/nancy/network_equipments/sgros1.json b/data/grid5000/sites/nancy/network_equipments/sgros1.json
index d73e7569fc28c1f8ca671c55f3d400cfbf403bc8..4985c11360a00276fa82805cae75fe0d9c13291c 100644
--- a/data/grid5000/sites/nancy/network_equipments/sgros1.json
+++ b/data/grid5000/sites/nancy/network_equipments/sgros1.json
@@ -11,6 +11,9 @@
         {
         },
         {
+          "kind": "switch",
+          "snmp_name": "ethernet1/1/1:1",
+          "uid": "gw-next"
         },
         {
           "kind": "router",
diff --git a/input/grid5000/sites/nancy/networks/gw-next.yaml b/input/grid5000/sites/nancy/networks/gw-next.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..fef6f1d33f08528311aa4c27934e4ec6ee16473f
--- /dev/null
+++ b/input/grid5000/sites/nancy/networks/gw-next.yaml
@@ -0,0 +1,24 @@
+---
+gw-next:
+  model: Aruba 8325-48Y8C JL635A
+  serial: TW32KM007R
+  kind: switch
+  managed_by_us: true
+  site: nancy
+  ip: 172.17.79.251 # interface sur le vlan101
+  alias:
+    - name: gw-next-adm # interface de management
+      ip: 172.17.79.252
+  snmp_community: public
+  backplane_bps: 1440000000000
+  linecards:
+    1:
+      snmp_pattern: "%LINECARD%/1/%PORT%"
+      kavlan_pattern: "%LINECARD%/1/%PORT%"
+      rate: 10_000_000_000
+      kind: node
+      ports:
+        49:
+          uid: sgros1
+          kind: switch
+          rate: 40_000_000_000
diff --git a/input/grid5000/sites/nancy/networks/sgros1.yaml b/input/grid5000/sites/nancy/networks/sgros1.yaml
index cd5f952e0cf4e09e8ab031b2c6c92cbc2eb4d52d..daee63190473621f0eda29aa57b2b0aeb0cd238a 100644
--- a/input/grid5000/sites/nancy/networks/sgros1.yaml
+++ b/input/grid5000/sites/nancy/networks/sgros1.yaml
@@ -63,6 +63,9 @@ sgros1:
       kavlan_pattern: "ethernet1/1/%PORT%:1"
       rate: 40_000_000_000
       ports:
+        1:
+          uid: gw-next
+          kind: switch
         2:
           uid: gw
           kind: router