diff --git a/data/grid5000/sites/nancy/network_equipments/stalc1.json b/data/grid5000/sites/nancy/network_equipments/stalc1.json
index 493086c1cf9ccfcdf3f4112eb28faa6e7d86b67b..d341f935032b871c4339ed0019cb6d546f4950f5 100644
--- a/data/grid5000/sites/nancy/network_equipments/stalc1.json
+++ b/data/grid5000/sites/nancy/network_equipments/stalc1.json
@@ -178,7 +178,7 @@
       "rate": 10000000000
     }
   ],
-  "model": "hp procurve",
+  "model": "3com 4500G",
   "routes": {
 
   },
diff --git a/data/grid5000/sites/nancy/network_equipments/stalc2.json b/data/grid5000/sites/nancy/network_equipments/stalc2.json
index 392806ee1d82506ee3cca22c9a4761dea2b75c5f..35597204754dd387b31e97c4962a3531de8285b0 100644
--- a/data/grid5000/sites/nancy/network_equipments/stalc2.json
+++ b/data/grid5000/sites/nancy/network_equipments/stalc2.json
@@ -173,7 +173,7 @@
       "rate": 10000000000
     }
   ],
-  "model": "hp procurve",
+  "model": "3com 4500G",
   "routes": {
 
   },
diff --git a/data/grid5000/sites/nancy/network_equipments/stalc3.json b/data/grid5000/sites/nancy/network_equipments/stalc3.json
index 5c019aec6a3c5bb181c9559e9e00cd2e7ec0a029..2dbb2e3318e0994436dd4a6644397ea68d41ecc2 100644
--- a/data/grid5000/sites/nancy/network_equipments/stalc3.json
+++ b/data/grid5000/sites/nancy/network_equipments/stalc3.json
@@ -157,7 +157,7 @@
       "rate": 10000000000
     }
   ],
-  "model": "hp procurve",
+  "model": "3com 4500G",
   "routes": {
 
   },
diff --git a/data/grid5000/sites/nancy/network_equipments/stalc4.json b/data/grid5000/sites/nancy/network_equipments/stalc4.json
index 612653155615ed24d736dfb20b72f164dbe937f6..6be33a4fe948cfb9a9c05b73b54986f3e3d61cc7 100644
--- a/data/grid5000/sites/nancy/network_equipments/stalc4.json
+++ b/data/grid5000/sites/nancy/network_equipments/stalc4.json
@@ -24,7 +24,7 @@
       "rate": 10000000000
     }
   ],
-  "model": "hp procurve",
+  "model": "3com 4500G",
   "routes": {
 
   },
diff --git a/generators/input/sites/nancy/net-links/stalc1.yaml b/generators/input/sites/nancy/net-links/stalc1.yaml
index 1226847b2a2095405282d55b0f9fa1c31110c22e..59d2fc7fc5e33cd91be0c968f2c9cb63fff1957b 100644
--- a/generators/input/sites/nancy/net-links/stalc1.yaml
+++ b/generators/input/sites/nancy/net-links/stalc1.yaml
@@ -1,6 +1,6 @@
 --- 
 stalc1: 
-  model: hp procurve
+  model: 3com 4500G
   kind: switch
   site: nancy
   snmp_community: public
diff --git a/generators/input/sites/nancy/net-links/stalc2.yaml b/generators/input/sites/nancy/net-links/stalc2.yaml
index 9659dd595d95d4667c1ed3692167c541812d6373..fd4fcf4e2acfe3429c0793b00cc73959ffbeb4ae 100644
--- a/generators/input/sites/nancy/net-links/stalc2.yaml
+++ b/generators/input/sites/nancy/net-links/stalc2.yaml
@@ -1,6 +1,6 @@
 --- 
 stalc2: 
-  model: hp procurve
+  model: 3com 4500G
   kind: switch
   site: nancy
   snmp_community: public
diff --git a/generators/input/sites/nancy/net-links/stalc3.yaml b/generators/input/sites/nancy/net-links/stalc3.yaml
index 06009e262597cf56ae51dd75f6711d590b851620..03ad90198676df62998077c8fa77d2b602ab471b 100644
--- a/generators/input/sites/nancy/net-links/stalc3.yaml
+++ b/generators/input/sites/nancy/net-links/stalc3.yaml
@@ -1,6 +1,6 @@
 --- 
 stalc3: 
-  model: hp procurve
+  model: 3com 4500G
   kind: switch
   site: nancy
   snmp_community: public
diff --git a/generators/input/sites/nancy/net-links/stalc4.yaml b/generators/input/sites/nancy/net-links/stalc4.yaml
index a9ebb3d6d126979ba41dbf6d63eb57bdbf7a4a48..bb8b78aa198756d01aa55baeb44c21c3bef94a59 100644
--- a/generators/input/sites/nancy/net-links/stalc4.yaml
+++ b/generators/input/sites/nancy/net-links/stalc4.yaml
@@ -1,6 +1,6 @@
 --- 
 stalc4: 
-  model: hp procurve
+  model: 3com 4500G
   kind: switch
   site: nancy
   snmp_community: public