diff --git a/data/grid5000/sites/lille/servers/dhcp.json b/data/grid5000/sites/lille/servers/dhcp.json
new file mode 100644
index 0000000000000000000000000000000000000000..525b978706a04c01ee726e429e4ebc84b7409b65
--- /dev/null
+++ b/data/grid5000/sites/lille/servers/dhcp.json
@@ -0,0 +1,13 @@
+{
+  "kind": "virtual",
+  "network_adapters": {
+    "adm": {
+      "ip": "172.17.47.111"
+    },
+    "default": {
+      "ip": "172.16.47.111"
+    }
+  },
+  "type": "server",
+  "uid": "dhcp"
+}
\ No newline at end of file
diff --git a/data/grid5000/sites/lille/servers/dns.json b/data/grid5000/sites/lille/servers/dns.json
index d13a91601d23a887a2b916d4f145b8d8e1eb46e3..ac3db8d0358c3ea08adc171e3bacfe5705269222 100644
--- a/data/grid5000/sites/lille/servers/dns.json
+++ b/data/grid5000/sites/lille/servers/dns.json
@@ -1,7 +1,4 @@
 {
-  "alias": [
-    "dhcp"
-  ],
   "kind": "virtual",
   "network_adapters": {
     "adm": {
diff --git a/grid5000-all.json b/grid5000-all.json
index 77b80f31d0b99716a6ad690b49d31f6b8d7b0ec6..1b9d113bc4b4068f012338da04ad6d2f24235e71 100644
--- a/grid5000-all.json
+++ b/grid5000-all.json
@@ -28978,10 +28978,20 @@
           "type": "server",
           "uid": "conman"
         },
+        "dhcp": {
+          "kind": "virtual",
+          "network_adapters": {
+            "adm": {
+              "ip": "172.17.47.111"
+            },
+            "default": {
+              "ip": "172.16.47.111"
+            }
+          },
+          "type": "server",
+          "uid": "dhcp"
+        },
         "dns": {
-          "alias": [
-            "dhcp"
-          ],
           "kind": "virtual",
           "network_adapters": {
             "adm": {
diff --git a/input/grid5000/sites/lille/servers/virtual.yaml b/input/grid5000/sites/lille/servers/virtual.yaml
index 5f29d4f393c05c085a158aa8a5d0609623c17692..406a17368625d9c71d864cdc70da3fcca3890e69 100644
--- a/input/grid5000/sites/lille/servers/virtual.yaml
+++ b/input/grid5000/sites/lille/servers/virtual.yaml
@@ -1,6 +1,5 @@
 dns:
   kind: virtual
-  alias: [dhcp]
   network_adapters:
     default:
       ip: 172.16.47.101
@@ -75,6 +74,13 @@ mail:
       ip: 172.16.47.110
     adm:
       ip: 172.17.47.110
+dhcp:
+  kind: virtual
+  network_adapters:
+    default:
+      ip: 172.16.47.111
+    adm:
+      ip: 172.17.47.111
 access:
   kind: virtual
   network_adapters: