diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-28.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-28.json
index 06fdec9bf9d1ed71df6112b22537445aea0af577..92fa9fb6b0202eaa7f17b652d10637fbf8032852 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-28.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-28.json
@@ -29,8 +29,8 @@
       "enabled": true,
       "interface": "Ethernet",
       "ip": "172.16.64.28",
-      "ip6": "fe80::2e0:81ff:fed5:65c",
-      "mac": "00:e0:81:d5:06:5c",
+      "ip6": "fe80::2e0:81ff:fed5:07f0",
+      "mac": "00:e0:81:d5:07:f0",
       "management": false,
       "mountable": true,
       "mounted": true,
@@ -47,7 +47,7 @@
       "driver": "e1000e",
       "enabled": false,
       "interface": "Ethernet",
-      "mac": "00:e0:81:d5:06:5d",
+      "mac": "00:e0:81:d5:07:f1",
       "management": false,
       "mountable": false,
       "mounted": false,
@@ -61,7 +61,7 @@
       "driver": "e1000e",
       "enabled": false,
       "interface": "Ethernet",
-      "mac": "00:e0:81:d5:06:5e",
+      "mac": "00:e0:81:d5:07:f2",
       "management": false,
       "mountable": false,
       "mounted": false,
diff --git a/generators/input/sites/nancy/clusters/graphene_generated.yaml b/generators/input/sites/nancy/clusters/graphene_generated.yaml
index 2c004e5e8de4d359c913236aa39344759c63ac39..6a1556167c04a93c178fcff33a4d1e5da6a00ec4 100644
--- a/generators/input/sites/nancy/clusters/graphene_generated.yaml
+++ b/generators/input/sites/nancy/clusters/graphene_generated.yaml
@@ -2541,8 +2541,8 @@ graphene-28:
     eth0:
       mounted: true
       rate: 1000000000
-      mac: 00:e0:81:d5:06:5c
-      ip6: fe80::2e0:81ff:fed5:65c
+      mac: 00:e0:81:d5:07:f0 
+      ip6: fe80::2e0:81ff:fed5:07f0
       management: false
       enabled: true
       interface: Ethernet
@@ -2552,7 +2552,7 @@ graphene-28:
     eth1:
       mounted: false
       rate: 100000000
-      mac: 00:e0:81:d5:06:5d
+      mac: 00:e0:81:d5:07:f1
       management: false
       enabled: false
       interface: Ethernet
@@ -2560,7 +2560,7 @@ graphene-28:
       mountable: false
     eth2:
       mounted: false
-      mac: 00:e0:81:d5:06:5e
+      mac: 00:e0:81:d5:07:f2
       management: false
       enabled: false
       interface: Ethernet