diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json
index 1611ccfe447c974771f06e8f0d4bccca40a0f87e..78eb83415482cbb1ed2fdf8b4e8c05040e146d2a 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json
@@ -107,7 +107,7 @@
       "device": "ib0",
       "driver": "mlx5_core",
       "enabled": true,
-      "firmware_version": "20.27.6008",
+      "firmware_version": "20.25.2006",
       "guid": "0xb8599f0300d1f6f6",
       "interface": "InfiniBand",
       "ip": "172.18.54.1",
@@ -120,7 +120,7 @@
       "name": "ib0",
       "netmask": "255.255.240.0",
       "network_address": "pyxis-1-ib0.lyon.grid5000.fr",
-      "rate": 56000000000,
+      "rate": 10000000000,
       "vendor": "Mellanox Technologies"
     },
     {
diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json
index 186f899344a1b3b12dde620b09309433520a68a9..dc86a7438c250f7857979a085821178b51cf96b7 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json
@@ -107,7 +107,7 @@
       "device": "ib0",
       "driver": "mlx5_core",
       "enabled": true,
-      "firmware_version": "20.27.6008",
+      "firmware_version": "20.25.2006",
       "guid": "0xb8599f0300d1f706",
       "interface": "InfiniBand",
       "ip": "172.18.54.2",
@@ -120,7 +120,7 @@
       "name": "ib0",
       "netmask": "255.255.240.0",
       "network_address": "pyxis-2-ib0.lyon.grid5000.fr",
-      "rate": 56000000000,
+      "rate": 10000000000,
       "vendor": "Mellanox Technologies"
     },
     {
diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json
index 7473c41f2386d13e69ed50dd2ce33e8fd2e27236..56cc5334b22c2016fe55a2e1c91b75d0ad46987e 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json
@@ -107,7 +107,7 @@
       "device": "ib0",
       "driver": "mlx5_core",
       "enabled": true,
-      "firmware_version": "20.27.6008",
+      "firmware_version": "20.25.2006",
       "guid": "0xb8599f0300d1f6f2",
       "interface": "InfiniBand",
       "ip": "172.18.54.3",
@@ -120,7 +120,7 @@
       "name": "ib0",
       "netmask": "255.255.240.0",
       "network_address": "pyxis-3-ib0.lyon.grid5000.fr",
-      "rate": 56000000000,
+      "rate": 10000000000,
       "vendor": "Mellanox Technologies"
     },
     {
diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json
index 9723dc28a36fbbd4940406f47d6bb0992a21d026..49c9e149bf24e1765ee79fc9ed920db7a87c0549 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json
@@ -107,7 +107,7 @@
       "device": "ib0",
       "driver": "mlx5_core",
       "enabled": true,
-      "firmware_version": "20.27.6008",
+      "firmware_version": "20.25.2006",
       "guid": "0xb8599f0300d1fa66",
       "interface": "InfiniBand",
       "ip": "172.18.54.4",
@@ -120,7 +120,7 @@
       "name": "ib0",
       "netmask": "255.255.240.0",
       "network_address": "pyxis-4-ib0.lyon.grid5000.fr",
-      "rate": 56000000000,
+      "rate": 10000000000,
       "vendor": "Mellanox Technologies"
     },
     {
diff --git a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.yaml b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.yaml
index a2ff9eaae93760bc55f9c3535430bb80ed261c5c..784c96e6b23e7b8dc189ec3ca5f375d3098fd798 100644
--- a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.yaml
+++ b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.yaml
@@ -45,7 +45,7 @@ pyxis-1:
       vendor: QLogic Corp.
     ib0:
       driver: mlx5_core
-      firmware_version: 20.27.6008
+      firmware_version: 20.25.2006
       guid: '0xb8599f0300d1f6f6'
       interface: InfiniBand
       ip: 172.18.54.1
@@ -53,7 +53,7 @@ pyxis-1:
       management: false
       model: MT28908 Family [ConnectX-6]
       name: ib0
-      rate: 56000000000
+      rate: 10000000000
       vendor: Mellanox Technologies
   operating_system:
     cstate_driver: none
diff --git a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.yaml b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.yaml
index c386e7707afd77a9ddfc6a62522dada11a7da213..22bb5756ec781e58f5863230dc689ab0dd7cdbab 100644
--- a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.yaml
+++ b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.yaml
@@ -45,7 +45,7 @@ pyxis-2:
       vendor: QLogic Corp.
     ib0:
       driver: mlx5_core
-      firmware_version: 20.27.6008
+      firmware_version: 20.25.2006
       guid: '0xb8599f0300d1f706'
       interface: InfiniBand
       ip: 172.18.54.2
@@ -53,7 +53,7 @@ pyxis-2:
       management: false
       model: MT28908 Family [ConnectX-6]
       name: ib0
-      rate: 56000000000
+      rate: 10000000000
       vendor: Mellanox Technologies
   operating_system:
     cstate_driver: none
diff --git a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.yaml b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.yaml
index abc963add9a6e763e6976ca979611e5907868f30..01778d24374f19960e455c77884c01effbf53564 100644
--- a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.yaml
+++ b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.yaml
@@ -45,7 +45,7 @@ pyxis-3:
       vendor: QLogic Corp.
     ib0:
       driver: mlx5_core
-      firmware_version: 20.27.6008
+      firmware_version: 20.25.2006
       guid: '0xb8599f0300d1f6f2'
       interface: InfiniBand
       ip: 172.18.54.3
@@ -53,7 +53,7 @@ pyxis-3:
       management: false
       model: MT28908 Family [ConnectX-6]
       name: ib0
-      rate: 56000000000
+      rate: 10000000000
       vendor: Mellanox Technologies
   operating_system:
     cstate_driver: none
diff --git a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.yaml b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.yaml
index b301152a5e9db1956b4173552677f0523b9f5901..8331c75434ae6d558b5f8bc65b429ff6b9f2c83b 100644
--- a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.yaml
+++ b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.yaml
@@ -45,7 +45,7 @@ pyxis-4:
       vendor: QLogic Corp.
     ib0:
       driver: mlx5_core
-      firmware_version: 20.27.6008
+      firmware_version: 20.25.2006
       guid: '0xb8599f0300d1fa66'
       interface: InfiniBand
       ip: 172.18.54.4
@@ -53,7 +53,7 @@ pyxis-4:
       management: false
       model: MT28908 Family [ConnectX-6]
       name: ib0
-      rate: 56000000000
+      rate: 10000000000
       vendor: Mellanox Technologies
   operating_system:
     cstate_driver: none