diff --git a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json
index fbaf46d0c45c70289eff910eeab67ca5f89e67d3..7675ae6d7d980b17a662f3901e243669ffb52016 100644
--- a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json
+++ b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json
@@ -23,7 +23,7 @@
       "driver": "ixgbe",
       "enabled": true,
       "interface": "Ethernet",
-      "ip": "10.69.2.1",
+      "ip": "172.16.50.1",
       "mac": "A0:36:9F:08:FA:54",
       "management": false,
       "model": "Intel X520 DP 10Gb DA/SFP+ Server Adapter",
diff --git a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-2.json b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-2.json
index 18280e87e226e0e3e74ecd95ecc9121868e7a470..7640f19a050a08857adecb169495b446414c2fad 100644
--- a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-2.json
+++ b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-2.json
@@ -23,7 +23,7 @@
       "driver": "ixgbe",
       "enabled": true,
       "interface": "Ethernet",
-      "ip": "10.69.2.2",
+      "ip": "172.16.50.2",
       "mac": "A0:36:9F:08:F6:B8",
       "management": false,
       "model": "Intel X520 DP 10Gb DA/SFP+ Server Adapter",
diff --git a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-3.json b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-3.json
index a7e815c263e6780986bcf2627df2ced843375582..eae1e8ac424d204444cd59e47266361fa3ef9a99 100644
--- a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-3.json
+++ b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-3.json
@@ -23,7 +23,7 @@
       "driver": "ixgbe",
       "enabled": true,
       "interface": "Ethernet",
-      "ip": "10.69.2.3",
+      "ip": "172.16.50.3",
       "mac": "A0:36:9F:08:FA:44",
       "management": false,
       "model": "Intel X520 DP 10Gb DA/SFP+ Server Adapter",
diff --git a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-4.json b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-4.json
index b25eb511183aea19e748be0c622aa3de4bce65b9..2dbbdf2229c2ae3edd90693482662df757663b90 100644
--- a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-4.json
+++ b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-4.json
@@ -23,7 +23,7 @@
       "driver": "ixgbe",
       "enabled": true,
       "interface": "Ethernet",
-      "ip": "10.69.2.4",
+      "ip": "172.16.50.4",
       "mac": "A0:36:9F:08:F8:C0",
       "management": false,
       "model": "Intel X520 DP 10Gb DA/SFP+ Server Adapter",
diff --git a/generators/input/sites/lyon/clusters/orion.yaml b/generators/input/sites/lyon/clusters/orion.yaml
index d628688de9bb5aa7a2ff3413134e3d23b1fa3518..3695b8674c2f9d4d9445b80c5eff1e52953c5500 100644
--- a/generators/input/sites/lyon/clusters/orion.yaml
+++ b/generators/input/sites/lyon/clusters/orion.yaml
@@ -2,10 +2,10 @@ orion-1:
   network_interfaces:
     bmc:
       mac: D4:BE:D9:F3:BF:9E
-      ip: 10.69.138.1
+      ip: 172.17.50.1
     eth0:
       mac: A0:36:9F:08:FA:54
-      ip: 10.69.2.1
+      ip: 172.16.50.1
     eth1:
       mac: A0:36:9F:08:FA:56
     eth2:
@@ -20,10 +20,10 @@ orion-2:
   network_interfaces:
     bmc:
       mac: D4:BE:D9:F9:A3:28
-      ip: 10.69.138.2
+      ip: 172.17.50.2
     eth0:
       mac: A0:36:9F:08:F6:B8
-      ip: 10.69.2.2
+      ip: 172.16.50.2
     eth1:
       mac: A0:36:9F:08:F6:BA
     eth2:
@@ -38,10 +38,10 @@ orion-3:
   network_interfaces:
     bmc:
       mac: D4:BE:D9:F9:A3:24
-      ip: 10.69.138.3
+      ip: 172.17.50.3
     eth0:
       mac: A0:36:9F:08:FA:44
-      ip: 10.69.2.3
+      ip: 172.16.50.3
     eth1:
       mac: A0:36:9F:08:FA:46
     eth2:
@@ -56,10 +56,10 @@ orion-4:
   network_interfaces:
     bmc:
       mac: D4:BE:D9:F5:EA:E2
-      ip: 10.69.138.4
+      ip: 172.17.50.4
     eth0:
       mac: A0:36:9F:08:F8:C0
-      ip: 10.69.2.4
+      ip: 172.16.50.4
     eth1:
       mac: A0:36:9F:08:F8:C2
     eth2: