diff --git a/data/grid5000/sites/grenoble/network_equipments/blade-1.json b/data/grid5000/sites/grenoble/network_equipments/blade-1.json
index 5a20db9ac5553f7d11e959e772faf5e70a5279d3..7de67b2999cfafe61514f8e83300e18c8f1b3cc2 100644
--- a/data/grid5000/sites/grenoble/network_equipments/blade-1.json
+++ b/data/grid5000/sites/grenoble/network_equipments/blade-1.json
@@ -14,6 +14,14 @@
         {
           "port": "2:1",
           "uid": "gw-grenoble"
+        },
+        {
+          "port": "2:2",
+          "uid": "gw-grenoble"
+        },
+        {
+          "port": "2:3",
+          "uid": "gw-grenoble"
         }
       ],
       "rate": 1000000000
diff --git a/data/grid5000/sites/grenoble/network_equipments/blade-2.json b/data/grid5000/sites/grenoble/network_equipments/blade-2.json
index d846b1b515d34947f8b2f1fb32205946447adca6..bd814e4d36fb7fdd9988eaa4bc24480906f6bb13 100644
--- a/data/grid5000/sites/grenoble/network_equipments/blade-2.json
+++ b/data/grid5000/sites/grenoble/network_equipments/blade-2.json
@@ -14,6 +14,14 @@
         {
           "port": "2:4",
           "uid": "gw-grenoble"
+        },
+        {
+          "port": "2:5",
+          "uid": "gw-grenoble"
+        },
+        {
+          "port": "2:6",
+          "uid": "gw-grenoble"
         }
       ],
       "rate": 1000000000
diff --git a/data/grid5000/sites/grenoble/network_equipments/blade-3.json b/data/grid5000/sites/grenoble/network_equipments/blade-3.json
index 6c6ddb255f08a465a0f110c795ff72ebdd40f2c1..05ee7c5aa1089a5a397df865c9d486cf6b103843 100644
--- a/data/grid5000/sites/grenoble/network_equipments/blade-3.json
+++ b/data/grid5000/sites/grenoble/network_equipments/blade-3.json
@@ -14,6 +14,14 @@
         {
           "port": "2:7",
           "uid": "gw-grenoble"
+        },
+        {
+          "port": "2:8",
+          "uid": "gw-grenoble"
+        },
+        {
+          "port": "2:9",
+          "uid": "gw-grenoble"
         }
       ],
       "rate": 1000000000
diff --git a/data/grid5000/sites/grenoble/network_equipments/blade-4.json b/data/grid5000/sites/grenoble/network_equipments/blade-4.json
index 751559aeb61ad5829b3597a1f9c701af21073d2d..32ab39ac8cfaf31d1b3cde86e06ec5dea0234cd8 100644
--- a/data/grid5000/sites/grenoble/network_equipments/blade-4.json
+++ b/data/grid5000/sites/grenoble/network_equipments/blade-4.json
@@ -14,6 +14,14 @@
         {
           "port": "2:10",
           "uid": "gw-grenoble"
+        },
+        {
+          "port": "2:11",
+          "uid": "gw-grenoble"
+        },
+        {
+          "port": "2:12",
+          "uid": "gw-grenoble"
         }
       ],
       "rate": 1000000000
diff --git a/generators/input/sites/grenoble/net-links/blade-1.yaml b/generators/input/sites/grenoble/net-links/blade-1.yaml
index 64725bd6bd81c9049fb65a1375863de07104067f..504948d5f02669c0c585542962f322d7c890898c 100644
--- a/generators/input/sites/grenoble/net-links/blade-1.yaml
+++ b/generators/input/sites/grenoble/net-links/blade-1.yaml
@@ -15,11 +15,17 @@ blade-1:
       naming_pattern: "%LINECARD%/%PORT%"
       kind: router
       rate: 1000000000
-      ports: 
-        1: 
+      ports:
+        1:
           uid: gw-grenoble
           port: "2:1"
-    1: 
+        2:
+          uid: gw-grenoble
+          port: "2:2"
+        3:
+          uid: gw-grenoble
+          port: "2:3"
+    1:
       naming_pattern: "%LINECARD%/%PORT%"
       kind: node
       rate: 1000000000
diff --git a/generators/input/sites/grenoble/net-links/blade-2.yaml b/generators/input/sites/grenoble/net-links/blade-2.yaml
index 78e802962ea06739535d7a4bd41557f2195cb4b6..1486638db147d63b5838f8e2b9f9df39f0b0168c 100644
--- a/generators/input/sites/grenoble/net-links/blade-2.yaml
+++ b/generators/input/sites/grenoble/net-links/blade-2.yaml
@@ -19,6 +19,12 @@ blade-2:
         1: 
           uid: gw-grenoble
           port: "2:4"
+        2:
+          uid: gw-grenoble
+          port: "2:5"
+        3:
+          uid: gw-grenoble
+          port: "2:6"
     1: 
       naming_pattern: "%LINECARD%/%PORT%"
       kind: node
diff --git a/generators/input/sites/grenoble/net-links/blade-3.yaml b/generators/input/sites/grenoble/net-links/blade-3.yaml
index 825121fd23a3ddf2144568ac40ba437596f50936..90b996e9a7e9743731821f3d0d416034a69f28d9 100644
--- a/generators/input/sites/grenoble/net-links/blade-3.yaml
+++ b/generators/input/sites/grenoble/net-links/blade-3.yaml
@@ -19,6 +19,12 @@ blade-3:
         1: 
           uid: gw-grenoble
           port: "2:7"
+        2:
+          uid: gw-grenoble
+          port: "2:8"
+        3:
+          uid: gw-grenoble
+          port: "2:9"
     1: 
       naming_pattern: "%LINECARD%/%PORT%"
       kind: node
diff --git a/generators/input/sites/grenoble/net-links/blade-4.yaml b/generators/input/sites/grenoble/net-links/blade-4.yaml
index ed7f96f3be77613a5c69a0824b1cab3370b2d1a9..18efb73deea1f1baaee74596f42ddb210b6c1069 100644
--- a/generators/input/sites/grenoble/net-links/blade-4.yaml
+++ b/generators/input/sites/grenoble/net-links/blade-4.yaml
@@ -19,7 +19,13 @@ blade-4:
         1: 
           uid: gw-grenoble
           port: "2:10"
-    1: 
+        2:
+          uid: gw-grenoble
+          port: "2:11"
+        3:
+          uid: gw-grenoble
+          port: "2:12"
+    1:
       naming_pattern: "%LINECARD%/%PORT%"
       kind: node
       rate: 1000000000