diff --git a/data/grid5000/sites/sophia/network_equipments/gw.json b/data/grid5000/sites/sophia/network_equipments/gw.json
index 772caa9c6e2bf002d8ec99bb9fe6a106a0b36edd..e3e4cddaca844fc0ed6be267912e8d926ccbb9e9 100644
--- a/data/grid5000/sites/sophia/network_equipments/gw.json
+++ b/data/grid5000/sites/sophia/network_equipments/gw.json
@@ -1,4 +1,7 @@
 {
+  "alias": [
+    "gw-sophia"
+  ],
   "backplane_bps": 1440000000000,
   "channels": {
     "lag1": {
@@ -44,7 +47,8 @@
       "uid": "srv-scratch3"
     }
   },
-  "ip": "172.17.143.251",
+  "ip": "172.16.143.254",
+  "ip6": "2001:660:4406:800::ffff:ffff",
   "kind": "router",
   "linecards": [
     {
@@ -254,5 +258,88 @@
   "snmp_community": "public",
   "type": "network_equipment",
   "uid": "gw",
+  "vlans": {
+    "vlan100": {
+      "addresses": [
+        "172.16.143.254"
+      ],
+      "administrative": true
+    },
+    "vlan101": {
+      "addresses": [
+        "172.17.143.254"
+      ]
+    },
+    "vlan108": {
+      "addresses": [
+        "172.17.143.254"
+      ]
+    },
+    "vlan500": {
+      "addresses": [
+        "192.168.4.12"
+      ]
+    },
+    "vlan701": {
+      "addresses": [
+        "192.168.192.0/20"
+      ],
+      "name": "kavlan-1"
+    },
+    "vlan702": {
+      "addresses": [
+        "192.168.208.0/20"
+      ],
+      "name": "kavlan-2"
+    },
+    "vlan703": {
+      "addresses": [
+        "192.168.224.0/20"
+      ],
+      "name": "kavlan-3"
+    },
+    "vlan704": {
+      "addresses": [
+        "10.32.0.0/18"
+      ],
+      "name": "kavlan-4"
+    },
+    "vlan705": {
+      "addresses": [
+        "10.32.64.0/18"
+      ],
+      "name": "kavlan-5"
+    },
+    "vlan706": {
+      "addresses": [
+        "10.32.128.0/18"
+      ],
+      "name": "kavlan-6"
+    },
+    "vlan707": {
+      "addresses": [
+        "10.32.192.0/18"
+      ],
+      "name": "kavlan-7"
+    },
+    "vlan708": {
+      "addresses": [
+        "10.33.0.0/18"
+      ],
+      "name": "kavlan-8"
+    },
+    "vlan709": {
+      "addresses": [
+        "10.33.64.0/18"
+      ],
+      "name": "kavlan-9"
+    },
+    "vlan718": {
+      "addresses": [
+        "10.35.192.0/18"
+      ],
+      "name": "kavlan-18"
+    }
+  },
   "warranty": "2048-05"
 }
\ No newline at end of file
diff --git a/input/grid5000/sites/sophia/networks/gw-sophia.yaml b/input/grid5000/sites/sophia/networks/gw-sophia.yaml
index cd464bff6e007eb733b0e8d2bec0142ef59a856c..9ad8b5b9ddadd0ce9b4e52dc58bfbb7311a8a697 100644
--- a/input/grid5000/sites/sophia/networks/gw-sophia.yaml
+++ b/input/grid5000/sites/sophia/networks/gw-sophia.yaml
@@ -4,9 +4,66 @@ gw:
   warranty: 2048-05
   kind: router
   managed_by_us: true
+  alias:
+    - gw-sophia
   site: sophia
-  ip: 172.17.143.251
   snmp_community: public
+  ip: 172.16.143.254
+  ip6: 2001:660:4406:800::ffff:ffff
+  vlans:
+    "vlan100":
+      administrative: yes
+      addresses:
+        - 172.16.143.254
+    "vlan101":
+      addresses:
+        - 172.17.143.254
+    "vlan108":
+      addresses:
+        - 172.17.143.254
+    "vlan500":
+      addresses:
+        - 192.168.4.12
+    "vlan701":
+      name: kavlan-1
+      addresses:
+        - 192.168.192.0/20
+    "vlan702":
+      name: kavlan-2
+      addresses:
+        - 192.168.208.0/20
+    "vlan703":
+      name: kavlan-3
+      addresses:
+        - 192.168.224.0/20
+    "vlan704":
+      name: kavlan-4
+      addresses:
+        - 10.32.0.0/18
+    "vlan705":
+      name: kavlan-5
+      addresses:
+        - 10.32.64.0/18
+    "vlan706":
+      name: kavlan-6
+      addresses:
+        - 10.32.128.0/18
+    "vlan707":
+      name: kavlan-7
+      addresses:
+        - 10.32.192.0/18
+    "vlan708":
+      name: kavlan-8
+      addresses:
+        - 10.33.0.0/18
+    "vlan709":
+      name: kavlan-9
+      addresses:
+        - 10.33.64.0/18
+    "vlan718":
+      name: kavlan-18
+      addresses:
+        - 10.35.192.0/18
   backplane_bps: 1440000000000
   linecards:
     1: