diff --git a/data/grid5000/sites/rennes/clusters/abacus12/abacus12.json b/data/grid5000/sites/rennes/clusters/abacus12/abacus12.json
index 9452ec8a88c1234e308054b58078ccef10081772..cf2d21ba5b9145f3e772f0fdeabab17a54277c9c 100644
--- a/data/grid5000/sites/rennes/clusters/abacus12/abacus12.json
+++ b/data/grid5000/sites/rennes/clusters/abacus12/abacus12.json
@@ -2,7 +2,7 @@
   "boot_type": "bios",
   "created_at": "Fri, 17 Nov 2023 00:00:00 GMT",
   "exotic": false,
-  "kavlan": false,
+  "kavlan": true,
   "manufactured_at": "2019-10-28",
   "metrics": [
     {
diff --git a/data/grid5000/sites/rennes/clusters/abacus12/nodes/abacus12-1.json b/data/grid5000/sites/rennes/clusters/abacus12/nodes/abacus12-1.json
index 4b5e1349826f1efa5e070efcfe226c5caf4ace17..cd57dd7149748daa3229c8aa0312b8583e2180dd 100644
--- a/data/grid5000/sites/rennes/clusters/abacus12/nodes/abacus12-1.json
+++ b/data/grid5000/sites/rennes/clusters/abacus12/nodes/abacus12-1.json
@@ -73,6 +73,50 @@
       "vendor": "Nvidia"
     }
   },
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.202.3",
+      "kavlan-11": "10.7.244.11",
+      "kavlan-12": "10.11.244.11",
+      "kavlan-13": "10.15.244.11",
+      "kavlan-14": "10.19.244.11",
+      "kavlan-16": "10.27.244.11",
+      "kavlan-17": "10.31.244.11",
+      "kavlan-18": "10.35.244.11",
+      "kavlan-2": "192.168.218.3",
+      "kavlan-20": "10.43.244.11",
+      "kavlan-21": "10.47.244.11",
+      "kavlan-3": "192.168.234.3",
+      "kavlan-4": "10.24.10.3",
+      "kavlan-5": "10.24.74.3",
+      "kavlan-6": "10.24.138.3",
+      "kavlan-7": "10.24.202.3",
+      "kavlan-8": "10.25.10.3",
+      "kavlan-9": "10.25.74.3"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:e::c",
+      "kavlan-11": "2001:660:4406:1a0:70e::c",
+      "kavlan-12": "2001:660:4406:2a0:70e::c",
+      "kavlan-13": "2001:660:4406:4a0:70e::c",
+      "kavlan-14": "2001:660:4406:5a0:70e::c",
+      "kavlan-16": "2001:660:4406:7a0:70e::c",
+      "kavlan-17": "2001:660:4406:9a0:70e::c",
+      "kavlan-18": "2001:660:4406:8a0:70e::c",
+      "kavlan-2": "2001:660:4406:781:e::c",
+      "kavlan-20": "2001:660:4406:3a0:70e::c",
+      "kavlan-21": "2001:660:4406:6a0:70e::c",
+      "kavlan-3": "2001:660:4406:782:e::c",
+      "kavlan-4": "2001:660:4406:790:e::c",
+      "kavlan-5": "2001:660:4406:791:e::c",
+      "kavlan-6": "2001:660:4406:792:e::c",
+      "kavlan-7": "2001:660:4406:793:e::c",
+      "kavlan-8": "2001:660:4406:794:e::c",
+      "kavlan-9": "2001:660:4406:795:e::c"
+    }
+  },
   "main_memory": {
     "ram_size": 412316860416
   },
@@ -153,7 +197,7 @@
       "interface": "Ethernet",
       "ip": "172.16.109.12",
       "ip6": "2001:660:4406:700:e::c",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "e4:43:4b:9f:32:ec",
       "management": false,
       "model": "Ethernet Controller X710 for 10GbE SFP+",
diff --git a/data/grid5000/sites/rennes/clusters/abacus14/abacus14.json b/data/grid5000/sites/rennes/clusters/abacus14/abacus14.json
index 768effaa61fe5482e6a5ccba08abe41c938b5917..30dc8b4ea384a6e5da4c6630fcd669b8262e6735 100644
--- a/data/grid5000/sites/rennes/clusters/abacus14/abacus14.json
+++ b/data/grid5000/sites/rennes/clusters/abacus14/abacus14.json
@@ -2,7 +2,7 @@
   "boot_type": "bios",
   "created_at": "Wed, 08 Nov 2023 00:00:00 GMT",
   "exotic": false,
-  "kavlan": false,
+  "kavlan": true,
   "manufactured_at": "2019-09-26",
   "metrics": [
     {
diff --git a/data/grid5000/sites/rennes/clusters/abacus14/nodes/abacus14-1.json b/data/grid5000/sites/rennes/clusters/abacus14/nodes/abacus14-1.json
index e9c63597a6a566d2832fe03220d6dc44ad9df80f..50830897422e4528e2cf5bc443b7b33262e364d2 100644
--- a/data/grid5000/sites/rennes/clusters/abacus14/nodes/abacus14-1.json
+++ b/data/grid5000/sites/rennes/clusters/abacus14/nodes/abacus14-1.json
@@ -92,6 +92,50 @@
       "vendor": "Nvidia"
     }
   },
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.202.5",
+      "kavlan-11": "10.7.244.21",
+      "kavlan-12": "10.11.244.21",
+      "kavlan-13": "10.15.244.21",
+      "kavlan-14": "10.19.244.21",
+      "kavlan-16": "10.27.244.21",
+      "kavlan-17": "10.31.244.21",
+      "kavlan-18": "10.35.244.21",
+      "kavlan-2": "192.168.218.5",
+      "kavlan-20": "10.43.244.21",
+      "kavlan-21": "10.47.244.21",
+      "kavlan-3": "192.168.234.5",
+      "kavlan-4": "10.24.10.5",
+      "kavlan-5": "10.24.74.5",
+      "kavlan-6": "10.24.138.5",
+      "kavlan-7": "10.24.202.5",
+      "kavlan-8": "10.25.10.5",
+      "kavlan-9": "10.25.74.5"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:e::e",
+      "kavlan-11": "2001:660:4406:1a0:70e::e",
+      "kavlan-12": "2001:660:4406:2a0:70e::e",
+      "kavlan-13": "2001:660:4406:4a0:70e::e",
+      "kavlan-14": "2001:660:4406:5a0:70e::e",
+      "kavlan-16": "2001:660:4406:7a0:70e::e",
+      "kavlan-17": "2001:660:4406:9a0:70e::e",
+      "kavlan-18": "2001:660:4406:8a0:70e::e",
+      "kavlan-2": "2001:660:4406:781:e::e",
+      "kavlan-20": "2001:660:4406:3a0:70e::e",
+      "kavlan-21": "2001:660:4406:6a0:70e::e",
+      "kavlan-3": "2001:660:4406:782:e::e",
+      "kavlan-4": "2001:660:4406:790:e::e",
+      "kavlan-5": "2001:660:4406:791:e::e",
+      "kavlan-6": "2001:660:4406:792:e::e",
+      "kavlan-7": "2001:660:4406:793:e::e",
+      "kavlan-8": "2001:660:4406:794:e::e",
+      "kavlan-9": "2001:660:4406:795:e::e"
+    }
+  },
   "main_memory": {
     "ram_size": 412316860416
   },
@@ -172,7 +216,7 @@
       "interface": "Ethernet",
       "ip": "172.16.109.14",
       "ip6": "2001:660:4406:700:e::e",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "e4:43:4b:94:95:32",
       "management": false,
       "model": "Ethernet Controller X710 for 10GbE SFP+",
diff --git a/data/grid5000/sites/rennes/clusters/abacus16/abacus16.json b/data/grid5000/sites/rennes/clusters/abacus16/abacus16.json
index 09cd2777f1bb37f9e03ce06df98be6de156837c7..11494f20c191cce180f288c9e815179c1d4de5a5 100644
--- a/data/grid5000/sites/rennes/clusters/abacus16/abacus16.json
+++ b/data/grid5000/sites/rennes/clusters/abacus16/abacus16.json
@@ -2,7 +2,7 @@
   "boot_type": "bios",
   "created_at": "Mon, 16 Oct 2023 00:00:00 GMT",
   "exotic": false,
-  "kavlan": false,
+  "kavlan": true,
   "manufactured_at": "2019-09-26",
   "metrics": [
     {
diff --git a/data/grid5000/sites/rennes/clusters/abacus16/nodes/abacus16-1.json b/data/grid5000/sites/rennes/clusters/abacus16/nodes/abacus16-1.json
index 8ef01127bb331272b92e541597c4b988c440540d..09865f1e598a367f9ac699213f1b4311b4ad703a 100644
--- a/data/grid5000/sites/rennes/clusters/abacus16/nodes/abacus16-1.json
+++ b/data/grid5000/sites/rennes/clusters/abacus16/nodes/abacus16-1.json
@@ -92,6 +92,50 @@
       "vendor": "Nvidia"
     }
   },
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.202.7",
+      "kavlan-11": "10.7.244.31",
+      "kavlan-12": "10.11.244.31",
+      "kavlan-13": "10.15.244.31",
+      "kavlan-14": "10.19.244.31",
+      "kavlan-16": "10.27.244.31",
+      "kavlan-17": "10.31.244.31",
+      "kavlan-18": "10.35.244.31",
+      "kavlan-2": "192.168.218.7",
+      "kavlan-20": "10.43.244.31",
+      "kavlan-21": "10.47.244.31",
+      "kavlan-3": "192.168.234.7",
+      "kavlan-4": "10.24.10.7",
+      "kavlan-5": "10.24.74.7",
+      "kavlan-6": "10.24.138.7",
+      "kavlan-7": "10.24.202.7",
+      "kavlan-8": "10.25.10.7",
+      "kavlan-9": "10.25.74.7"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:e::10",
+      "kavlan-11": "2001:660:4406:1a0:70e::10",
+      "kavlan-12": "2001:660:4406:2a0:70e::10",
+      "kavlan-13": "2001:660:4406:4a0:70e::10",
+      "kavlan-14": "2001:660:4406:5a0:70e::10",
+      "kavlan-16": "2001:660:4406:7a0:70e::10",
+      "kavlan-17": "2001:660:4406:9a0:70e::10",
+      "kavlan-18": "2001:660:4406:8a0:70e::10",
+      "kavlan-2": "2001:660:4406:781:e::10",
+      "kavlan-20": "2001:660:4406:3a0:70e::10",
+      "kavlan-21": "2001:660:4406:6a0:70e::10",
+      "kavlan-3": "2001:660:4406:782:e::10",
+      "kavlan-4": "2001:660:4406:790:e::10",
+      "kavlan-5": "2001:660:4406:791:e::10",
+      "kavlan-6": "2001:660:4406:792:e::10",
+      "kavlan-7": "2001:660:4406:793:e::10",
+      "kavlan-8": "2001:660:4406:794:e::10",
+      "kavlan-9": "2001:660:4406:795:e::10"
+    }
+  },
   "main_memory": {
     "ram_size": 412316860416
   },
@@ -172,7 +216,7 @@
       "interface": "Ethernet",
       "ip": "172.16.109.16",
       "ip6": "2001:660:4406:700:e::10",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "e4:43:4b:94:6d:10",
       "management": false,
       "model": "Ethernet Controller X710 for 10GbE SFP+",
diff --git a/data/grid5000/sites/rennes/clusters/abacus9/abacus9.json b/data/grid5000/sites/rennes/clusters/abacus9/abacus9.json
index 416a229583ca1a3eab93586c2ffde513bfd0faad..3abcede1ebe85da18f5aca31d2b5fd4da1d57168 100644
--- a/data/grid5000/sites/rennes/clusters/abacus9/abacus9.json
+++ b/data/grid5000/sites/rennes/clusters/abacus9/abacus9.json
@@ -2,7 +2,7 @@
   "boot_type": "bios",
   "created_at": "Mon, 06 Nov 2023 00:00:00 GMT",
   "exotic": false,
-  "kavlan": false,
+  "kavlan": true,
   "manufactured_at": "2018-12-12",
   "metrics": [
     {
diff --git a/data/grid5000/sites/rennes/clusters/abacus9/nodes/abacus9-1.json b/data/grid5000/sites/rennes/clusters/abacus9/nodes/abacus9-1.json
index 6441d7b235ac60cb1c8889c90a1f4355abe33e3f..daf1e0d6d46c75d8742acbdbc7c786b245a4b732 100644
--- a/data/grid5000/sites/rennes/clusters/abacus9/nodes/abacus9-1.json
+++ b/data/grid5000/sites/rennes/clusters/abacus9/nodes/abacus9-1.json
@@ -92,6 +92,50 @@
       "vendor": "Nvidia"
     }
   },
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.202.1",
+      "kavlan-11": "10.7.244.1",
+      "kavlan-12": "10.11.244.1",
+      "kavlan-13": "10.15.244.1",
+      "kavlan-14": "10.19.244.1",
+      "kavlan-16": "10.27.244.1",
+      "kavlan-17": "10.31.244.1",
+      "kavlan-18": "10.35.244.1",
+      "kavlan-2": "192.168.218.1",
+      "kavlan-20": "10.43.244.1",
+      "kavlan-21": "10.47.244.1",
+      "kavlan-3": "192.168.234.1",
+      "kavlan-4": "10.24.10.1",
+      "kavlan-5": "10.24.74.1",
+      "kavlan-6": "10.24.138.1",
+      "kavlan-7": "10.24.202.1",
+      "kavlan-8": "10.25.10.1",
+      "kavlan-9": "10.25.74.1"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:e::9",
+      "kavlan-11": "2001:660:4406:1a0:70e::9",
+      "kavlan-12": "2001:660:4406:2a0:70e::9",
+      "kavlan-13": "2001:660:4406:4a0:70e::9",
+      "kavlan-14": "2001:660:4406:5a0:70e::9",
+      "kavlan-16": "2001:660:4406:7a0:70e::9",
+      "kavlan-17": "2001:660:4406:9a0:70e::9",
+      "kavlan-18": "2001:660:4406:8a0:70e::9",
+      "kavlan-2": "2001:660:4406:781:e::9",
+      "kavlan-20": "2001:660:4406:3a0:70e::9",
+      "kavlan-21": "2001:660:4406:6a0:70e::9",
+      "kavlan-3": "2001:660:4406:782:e::9",
+      "kavlan-4": "2001:660:4406:790:e::9",
+      "kavlan-5": "2001:660:4406:791:e::9",
+      "kavlan-6": "2001:660:4406:792:e::9",
+      "kavlan-7": "2001:660:4406:793:e::9",
+      "kavlan-8": "2001:660:4406:794:e::9",
+      "kavlan-9": "2001:660:4406:795:e::9"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
@@ -172,7 +216,7 @@
       "interface": "Ethernet",
       "ip": "172.16.109.9",
       "ip6": "2001:660:4406:700:e::9",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "e4:43:4b:26:14:88",
       "management": false,
       "model": "Ethernet Controller X710 for 10GbE SFP+",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon3/nodes/roazhon3-1.json b/data/grid5000/sites/rennes/clusters/roazhon3/nodes/roazhon3-1.json
index 2ba20a001e559d06b1b5fad63a6389ef52d55bb3..1936db4aa1283f6046047defc76939291f138364 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon3/nodes/roazhon3-1.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon3/nodes/roazhon3-1.json
@@ -20,6 +20,50 @@
     "warranty_end": "2025-11-12"
   },
   "exotic": false,
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.203.1",
+      "kavlan-11": "10.7.245.1",
+      "kavlan-12": "10.11.245.1",
+      "kavlan-13": "10.15.245.1",
+      "kavlan-14": "10.19.245.1",
+      "kavlan-16": "10.27.245.1",
+      "kavlan-17": "10.31.245.1",
+      "kavlan-18": "10.35.245.1",
+      "kavlan-2": "192.168.219.1",
+      "kavlan-20": "10.43.245.1",
+      "kavlan-21": "10.47.245.1",
+      "kavlan-3": "192.168.235.1",
+      "kavlan-4": "10.24.11.1",
+      "kavlan-5": "10.24.75.1",
+      "kavlan-6": "10.24.139.1",
+      "kavlan-7": "10.24.203.1",
+      "kavlan-8": "10.25.11.1",
+      "kavlan-9": "10.25.75.1"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:f::3",
+      "kavlan-11": "2001:660:4406:1a0:70f::3",
+      "kavlan-12": "2001:660:4406:2a0:70f::3",
+      "kavlan-13": "2001:660:4406:4a0:70f::3",
+      "kavlan-14": "2001:660:4406:5a0:70f::3",
+      "kavlan-16": "2001:660:4406:7a0:70f::3",
+      "kavlan-17": "2001:660:4406:9a0:70f::3",
+      "kavlan-18": "2001:660:4406:8a0:70f::3",
+      "kavlan-2": "2001:660:4406:781:f::3",
+      "kavlan-20": "2001:660:4406:3a0:70f::3",
+      "kavlan-21": "2001:660:4406:6a0:70f::3",
+      "kavlan-3": "2001:660:4406:782:f::3",
+      "kavlan-4": "2001:660:4406:790:f::3",
+      "kavlan-5": "2001:660:4406:791:f::3",
+      "kavlan-6": "2001:660:4406:792:f::3",
+      "kavlan-7": "2001:660:4406:793:f::3",
+      "kavlan-8": "2001:660:4406:794:f::3",
+      "kavlan-9": "2001:660:4406:795:f::3"
+    }
+  },
   "main_memory": {
     "ram_size": 1099511627776
   },
@@ -120,7 +164,7 @@
       "interface": "Ethernet",
       "ip": "172.16.110.3",
       "ip6": "2001:660:4406:700:f::3",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "e4:43:4b:33:15:fe",
       "management": false,
       "model": "Ethernet Controller X710 for 10GbE SFP+",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon3/roazhon3.json b/data/grid5000/sites/rennes/clusters/roazhon3/roazhon3.json
index 2ea6bd82d80d8d4bbb21a6ee5f82a69b82037128..42110cd0a4c9933e13f61a53d8bf7ff5c4e053d2 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon3/roazhon3.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon3/roazhon3.json
@@ -2,7 +2,7 @@
   "boot_type": "bios",
   "created_at": "Tue, 24 Oct 2023 00:00:00 GMT",
   "exotic": false,
-  "kavlan": false,
+  "kavlan": true,
   "manufactured_at": "2018-11-12",
   "metrics": [
     {
diff --git a/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-1.json b/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-1.json
index f6c77887fdea00d1490a4ada5f872a28d9cffdde..146028883f4b74b2577422ec95e21274d3c6c3a5 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-1.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-1.json
@@ -20,6 +20,50 @@
     "warranty_end": "2022-06-27"
   },
   "exotic": false,
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.203.3",
+      "kavlan-11": "10.7.245.11",
+      "kavlan-12": "10.11.245.11",
+      "kavlan-13": "10.15.245.11",
+      "kavlan-14": "10.19.245.11",
+      "kavlan-16": "10.27.245.11",
+      "kavlan-17": "10.31.245.11",
+      "kavlan-18": "10.35.245.11",
+      "kavlan-2": "192.168.219.3",
+      "kavlan-20": "10.43.245.11",
+      "kavlan-21": "10.47.245.11",
+      "kavlan-3": "192.168.235.3",
+      "kavlan-4": "10.24.11.6",
+      "kavlan-5": "10.24.75.6",
+      "kavlan-6": "10.24.139.6",
+      "kavlan-7": "10.24.203.6",
+      "kavlan-8": "10.25.11.6",
+      "kavlan-9": "10.25.75.6"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:f::15",
+      "kavlan-11": "2001:660:4406:1a0:70f::15",
+      "kavlan-12": "2001:660:4406:2a0:70f::15",
+      "kavlan-13": "2001:660:4406:4a0:70f::15",
+      "kavlan-14": "2001:660:4406:5a0:70f::15",
+      "kavlan-16": "2001:660:4406:7a0:70f::15",
+      "kavlan-17": "2001:660:4406:9a0:70f::15",
+      "kavlan-18": "2001:660:4406:8a0:70f::15",
+      "kavlan-2": "2001:660:4406:781:f::15",
+      "kavlan-20": "2001:660:4406:3a0:70f::15",
+      "kavlan-21": "2001:660:4406:6a0:70f::15",
+      "kavlan-3": "2001:660:4406:782:f::15",
+      "kavlan-4": "2001:660:4406:790:f::15",
+      "kavlan-5": "2001:660:4406:791:f::15",
+      "kavlan-6": "2001:660:4406:792:f::15",
+      "kavlan-7": "2001:660:4406:793:f::15",
+      "kavlan-8": "2001:660:4406:794:f::15",
+      "kavlan-9": "2001:660:4406:795:f::15"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -80,7 +124,7 @@
       "interface": "Ethernet",
       "ip": "172.16.110.21",
       "ip6": "2001:660:4406:700:f::15",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "7c:d3:0a:d5:5d:5e",
       "management": false,
       "model": "82599ES 10-Gigabit SFI/SFP+ Network Connection",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-2.json b/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-2.json
index 72912106818eb2c2e6d854869c8ba41ffb368833..bda5edd2e85b0d5b55111fb15572423e555e00dc 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-2.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-2.json
@@ -20,6 +20,50 @@
     "warranty_end": "2022-06-27"
   },
   "exotic": false,
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.203.4",
+      "kavlan-11": "10.7.245.12",
+      "kavlan-12": "10.11.245.12",
+      "kavlan-13": "10.15.245.12",
+      "kavlan-14": "10.19.245.12",
+      "kavlan-16": "10.27.245.12",
+      "kavlan-17": "10.31.245.12",
+      "kavlan-18": "10.35.245.12",
+      "kavlan-2": "192.168.219.4",
+      "kavlan-20": "10.43.245.12",
+      "kavlan-21": "10.47.245.12",
+      "kavlan-3": "192.168.235.4",
+      "kavlan-4": "10.24.11.7",
+      "kavlan-5": "10.24.75.7",
+      "kavlan-6": "10.24.139.7",
+      "kavlan-7": "10.24.203.7",
+      "kavlan-8": "10.25.11.7",
+      "kavlan-9": "10.25.75.7"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:f::16",
+      "kavlan-11": "2001:660:4406:1a0:70f::16",
+      "kavlan-12": "2001:660:4406:2a0:70f::16",
+      "kavlan-13": "2001:660:4406:4a0:70f::16",
+      "kavlan-14": "2001:660:4406:5a0:70f::16",
+      "kavlan-16": "2001:660:4406:7a0:70f::16",
+      "kavlan-17": "2001:660:4406:9a0:70f::16",
+      "kavlan-18": "2001:660:4406:8a0:70f::16",
+      "kavlan-2": "2001:660:4406:781:f::16",
+      "kavlan-20": "2001:660:4406:3a0:70f::16",
+      "kavlan-21": "2001:660:4406:6a0:70f::16",
+      "kavlan-3": "2001:660:4406:782:f::16",
+      "kavlan-4": "2001:660:4406:790:f::16",
+      "kavlan-5": "2001:660:4406:791:f::16",
+      "kavlan-6": "2001:660:4406:792:f::16",
+      "kavlan-7": "2001:660:4406:793:f::16",
+      "kavlan-8": "2001:660:4406:794:f::16",
+      "kavlan-9": "2001:660:4406:795:f::16"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -80,7 +124,7 @@
       "interface": "Ethernet",
       "ip": "172.16.110.22",
       "ip6": "2001:660:4406:700:f::16",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "7c:d3:0a:d5:63:6a",
       "management": false,
       "model": "82599ES 10-Gigabit SFI/SFP+ Network Connection",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-3.json b/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-3.json
index 70f741e541f296c6bfb542061be57c2493172cc5..31b6e46c4378ba428a4bf6bb22b950fefa9ab2db 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-3.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-3.json
@@ -20,6 +20,50 @@
     "warranty_end": "2022-06-27"
   },
   "exotic": false,
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.203.5",
+      "kavlan-11": "10.7.245.13",
+      "kavlan-12": "10.11.245.13",
+      "kavlan-13": "10.15.245.13",
+      "kavlan-14": "10.19.245.13",
+      "kavlan-16": "10.27.245.13",
+      "kavlan-17": "10.31.245.13",
+      "kavlan-18": "10.35.245.13",
+      "kavlan-2": "192.168.219.5",
+      "kavlan-20": "10.43.245.13",
+      "kavlan-21": "10.47.245.13",
+      "kavlan-3": "192.168.235.5",
+      "kavlan-4": "10.24.11.8",
+      "kavlan-5": "10.24.75.8",
+      "kavlan-6": "10.24.139.8",
+      "kavlan-7": "10.24.203.8",
+      "kavlan-8": "10.25.11.8",
+      "kavlan-9": "10.25.75.8"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:f::17",
+      "kavlan-11": "2001:660:4406:1a0:70f::17",
+      "kavlan-12": "2001:660:4406:2a0:70f::17",
+      "kavlan-13": "2001:660:4406:4a0:70f::17",
+      "kavlan-14": "2001:660:4406:5a0:70f::17",
+      "kavlan-16": "2001:660:4406:7a0:70f::17",
+      "kavlan-17": "2001:660:4406:9a0:70f::17",
+      "kavlan-18": "2001:660:4406:8a0:70f::17",
+      "kavlan-2": "2001:660:4406:781:f::17",
+      "kavlan-20": "2001:660:4406:3a0:70f::17",
+      "kavlan-21": "2001:660:4406:6a0:70f::17",
+      "kavlan-3": "2001:660:4406:782:f::17",
+      "kavlan-4": "2001:660:4406:790:f::17",
+      "kavlan-5": "2001:660:4406:791:f::17",
+      "kavlan-6": "2001:660:4406:792:f::17",
+      "kavlan-7": "2001:660:4406:793:f::17",
+      "kavlan-8": "2001:660:4406:794:f::17",
+      "kavlan-9": "2001:660:4406:795:f::17"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -80,7 +124,7 @@
       "interface": "Ethernet",
       "ip": "172.16.110.23",
       "ip6": "2001:660:4406:700:f::17",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "7c:d3:0a:d5:65:b6",
       "management": false,
       "model": "82599ES 10-Gigabit SFI/SFP+ Network Connection",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-4.json b/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-4.json
index eff4c7c017f8d10f1c4d5929ab42195dc2c438cf..76003d9e4f0a79ced00187de390a40dffedf9c96 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-4.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon7/nodes/roazhon7-4.json
@@ -20,6 +20,50 @@
     "warranty_end": "2022-06-27"
   },
   "exotic": false,
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.203.6",
+      "kavlan-11": "10.7.245.14",
+      "kavlan-12": "10.11.245.14",
+      "kavlan-13": "10.15.245.14",
+      "kavlan-14": "10.19.245.14",
+      "kavlan-16": "10.27.245.14",
+      "kavlan-17": "10.31.245.14",
+      "kavlan-18": "10.35.245.14",
+      "kavlan-2": "192.168.219.6",
+      "kavlan-20": "10.43.245.14",
+      "kavlan-21": "10.47.245.14",
+      "kavlan-3": "192.168.235.6",
+      "kavlan-4": "10.24.11.9",
+      "kavlan-5": "10.24.75.9",
+      "kavlan-6": "10.24.139.9",
+      "kavlan-7": "10.24.203.9",
+      "kavlan-8": "10.25.11.9",
+      "kavlan-9": "10.25.75.9"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:f::18",
+      "kavlan-11": "2001:660:4406:1a0:70f::18",
+      "kavlan-12": "2001:660:4406:2a0:70f::18",
+      "kavlan-13": "2001:660:4406:4a0:70f::18",
+      "kavlan-14": "2001:660:4406:5a0:70f::18",
+      "kavlan-16": "2001:660:4406:7a0:70f::18",
+      "kavlan-17": "2001:660:4406:9a0:70f::18",
+      "kavlan-18": "2001:660:4406:8a0:70f::18",
+      "kavlan-2": "2001:660:4406:781:f::18",
+      "kavlan-20": "2001:660:4406:3a0:70f::18",
+      "kavlan-21": "2001:660:4406:6a0:70f::18",
+      "kavlan-3": "2001:660:4406:782:f::18",
+      "kavlan-4": "2001:660:4406:790:f::18",
+      "kavlan-5": "2001:660:4406:791:f::18",
+      "kavlan-6": "2001:660:4406:792:f::18",
+      "kavlan-7": "2001:660:4406:793:f::18",
+      "kavlan-8": "2001:660:4406:794:f::18",
+      "kavlan-9": "2001:660:4406:795:f::18"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -80,7 +124,7 @@
       "interface": "Ethernet",
       "ip": "172.16.110.24",
       "ip6": "2001:660:4406:700:f::18",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "7c:d3:0a:d5:67:fc",
       "management": false,
       "model": "82599ES 10-Gigabit SFI/SFP+ Network Connection",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon7/roazhon7.json b/data/grid5000/sites/rennes/clusters/roazhon7/roazhon7.json
index f6dbfed74f87edfbd2de1690afbe61b9ac6c706f..5de6d42b84ff480890577f33c8b61c35e89f318a 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon7/roazhon7.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon7/roazhon7.json
@@ -2,7 +2,7 @@
   "boot_type": "bios",
   "created_at": "Wed, 20 Dec 2023 00:00:00 GMT",
   "exotic": false,
-  "kavlan": false,
+  "kavlan": true,
   "manufactured_at": "2017-06-27",
   "metrics": [
     {
diff --git a/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-1.json b/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-1.json
index 63ae5382ee19e91a8b68407c3a382480c6839d77..5ef0014f1dbe7c2b159816ed68d623d432b0200d 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-1.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-1.json
@@ -20,6 +20,50 @@
     "warranty_end": "2022-06-22"
   },
   "exotic": false,
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.203.7",
+      "kavlan-11": "10.7.245.21",
+      "kavlan-12": "10.11.245.21",
+      "kavlan-13": "10.15.245.21",
+      "kavlan-14": "10.19.245.21",
+      "kavlan-16": "10.27.245.21",
+      "kavlan-17": "10.31.245.21",
+      "kavlan-18": "10.35.245.21",
+      "kavlan-2": "192.168.219.7",
+      "kavlan-20": "10.43.245.21",
+      "kavlan-21": "10.47.245.21",
+      "kavlan-3": "192.168.235.7",
+      "kavlan-4": "10.24.11.10",
+      "kavlan-5": "10.24.75.10",
+      "kavlan-6": "10.24.139.10",
+      "kavlan-7": "10.24.203.10",
+      "kavlan-8": "10.25.11.10",
+      "kavlan-9": "10.25.75.10"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:f::19",
+      "kavlan-11": "2001:660:4406:1a0:70f::19",
+      "kavlan-12": "2001:660:4406:2a0:70f::19",
+      "kavlan-13": "2001:660:4406:4a0:70f::19",
+      "kavlan-14": "2001:660:4406:5a0:70f::19",
+      "kavlan-16": "2001:660:4406:7a0:70f::19",
+      "kavlan-17": "2001:660:4406:9a0:70f::19",
+      "kavlan-18": "2001:660:4406:8a0:70f::19",
+      "kavlan-2": "2001:660:4406:781:f::19",
+      "kavlan-20": "2001:660:4406:3a0:70f::19",
+      "kavlan-21": "2001:660:4406:6a0:70f::19",
+      "kavlan-3": "2001:660:4406:782:f::19",
+      "kavlan-4": "2001:660:4406:790:f::19",
+      "kavlan-5": "2001:660:4406:791:f::19",
+      "kavlan-6": "2001:660:4406:792:f::19",
+      "kavlan-7": "2001:660:4406:793:f::19",
+      "kavlan-8": "2001:660:4406:794:f::19",
+      "kavlan-9": "2001:660:4406:795:f::19"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -80,7 +124,7 @@
       "interface": "Ethernet",
       "ip": "172.16.110.25",
       "ip6": "2001:660:4406:700:f::19",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "7c:d3:0a:d5:59:02",
       "management": false,
       "model": "82599ES 10-Gigabit SFI/SFP+ Network Connection",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-2.json b/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-2.json
index 1ce47667bfdeb976f2e1eecc02ce09446e39bb92..67c8a872f342a4d41d3225a650621064ed3fe3c5 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-2.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-2.json
@@ -20,6 +20,50 @@
     "warranty_end": "2022-06-22"
   },
   "exotic": false,
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.203.8",
+      "kavlan-11": "10.7.245.22",
+      "kavlan-12": "10.11.245.22",
+      "kavlan-13": "10.15.245.22",
+      "kavlan-14": "10.19.245.22",
+      "kavlan-16": "10.27.245.22",
+      "kavlan-17": "10.31.245.22",
+      "kavlan-18": "10.35.245.22",
+      "kavlan-2": "192.168.219.8",
+      "kavlan-20": "10.43.245.22",
+      "kavlan-21": "10.47.245.22",
+      "kavlan-3": "192.168.235.8",
+      "kavlan-4": "10.24.11.11",
+      "kavlan-5": "10.24.75.11",
+      "kavlan-6": "10.24.139.11",
+      "kavlan-7": "10.24.203.11",
+      "kavlan-8": "10.25.11.11",
+      "kavlan-9": "10.25.75.11"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:f::1a",
+      "kavlan-11": "2001:660:4406:1a0:70f::1a",
+      "kavlan-12": "2001:660:4406:2a0:70f::1a",
+      "kavlan-13": "2001:660:4406:4a0:70f::1a",
+      "kavlan-14": "2001:660:4406:5a0:70f::1a",
+      "kavlan-16": "2001:660:4406:7a0:70f::1a",
+      "kavlan-17": "2001:660:4406:9a0:70f::1a",
+      "kavlan-18": "2001:660:4406:8a0:70f::1a",
+      "kavlan-2": "2001:660:4406:781:f::1a",
+      "kavlan-20": "2001:660:4406:3a0:70f::1a",
+      "kavlan-21": "2001:660:4406:6a0:70f::1a",
+      "kavlan-3": "2001:660:4406:782:f::1a",
+      "kavlan-4": "2001:660:4406:790:f::1a",
+      "kavlan-5": "2001:660:4406:791:f::1a",
+      "kavlan-6": "2001:660:4406:792:f::1a",
+      "kavlan-7": "2001:660:4406:793:f::1a",
+      "kavlan-8": "2001:660:4406:794:f::1a",
+      "kavlan-9": "2001:660:4406:795:f::1a"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -80,7 +124,7 @@
       "interface": "Ethernet",
       "ip": "172.16.110.26",
       "ip6": "2001:660:4406:700:f::1a",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "7c:d3:0a:d0:9e:50",
       "management": false,
       "model": "82599ES 10-Gigabit SFI/SFP+ Network Connection",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-3.json b/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-3.json
index 19f7cc86ec9387bb9ade5570aeec8c26d9288b63..a4c3bc261fa127e69217f64ce5d1277c3da45e0e 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-3.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-3.json
@@ -20,6 +20,50 @@
     "warranty_end": "2022-06-22"
   },
   "exotic": false,
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.203.9",
+      "kavlan-11": "10.7.245.23",
+      "kavlan-12": "10.11.245.23",
+      "kavlan-13": "10.15.245.23",
+      "kavlan-14": "10.19.245.23",
+      "kavlan-16": "10.27.245.23",
+      "kavlan-17": "10.31.245.23",
+      "kavlan-18": "10.35.245.23",
+      "kavlan-2": "192.168.219.9",
+      "kavlan-20": "10.43.245.23",
+      "kavlan-21": "10.47.245.23",
+      "kavlan-3": "192.168.235.9",
+      "kavlan-4": "10.24.11.12",
+      "kavlan-5": "10.24.75.12",
+      "kavlan-6": "10.24.139.12",
+      "kavlan-7": "10.24.203.12",
+      "kavlan-8": "10.25.11.12",
+      "kavlan-9": "10.25.75.12"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:f::1b",
+      "kavlan-11": "2001:660:4406:1a0:70f::1b",
+      "kavlan-12": "2001:660:4406:2a0:70f::1b",
+      "kavlan-13": "2001:660:4406:4a0:70f::1b",
+      "kavlan-14": "2001:660:4406:5a0:70f::1b",
+      "kavlan-16": "2001:660:4406:7a0:70f::1b",
+      "kavlan-17": "2001:660:4406:9a0:70f::1b",
+      "kavlan-18": "2001:660:4406:8a0:70f::1b",
+      "kavlan-2": "2001:660:4406:781:f::1b",
+      "kavlan-20": "2001:660:4406:3a0:70f::1b",
+      "kavlan-21": "2001:660:4406:6a0:70f::1b",
+      "kavlan-3": "2001:660:4406:782:f::1b",
+      "kavlan-4": "2001:660:4406:790:f::1b",
+      "kavlan-5": "2001:660:4406:791:f::1b",
+      "kavlan-6": "2001:660:4406:792:f::1b",
+      "kavlan-7": "2001:660:4406:793:f::1b",
+      "kavlan-8": "2001:660:4406:794:f::1b",
+      "kavlan-9": "2001:660:4406:795:f::1b"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -80,7 +124,7 @@
       "interface": "Ethernet",
       "ip": "172.16.110.27",
       "ip6": "2001:660:4406:700:f::1b",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "7c:d3:0a:d5:5b:a8",
       "management": false,
       "model": "82599ES 10-Gigabit SFI/SFP+ Network Connection",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-4.json b/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-4.json
index d48edefab1683edb7731ea02915f6c87fc9edb8e..0a31889dcaeb2823ba9489811c4f6b0b8b44c33f 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-4.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon8/nodes/roazhon8-4.json
@@ -20,6 +20,50 @@
     "warranty_end": "2022-06-22"
   },
   "exotic": false,
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.203.10",
+      "kavlan-11": "10.7.245.24",
+      "kavlan-12": "10.11.245.24",
+      "kavlan-13": "10.15.245.24",
+      "kavlan-14": "10.19.245.24",
+      "kavlan-16": "10.27.245.24",
+      "kavlan-17": "10.31.245.24",
+      "kavlan-18": "10.35.245.24",
+      "kavlan-2": "192.168.219.10",
+      "kavlan-20": "10.43.245.24",
+      "kavlan-21": "10.47.245.24",
+      "kavlan-3": "192.168.235.10",
+      "kavlan-4": "10.24.11.13",
+      "kavlan-5": "10.24.75.13",
+      "kavlan-6": "10.24.139.13",
+      "kavlan-7": "10.24.203.13",
+      "kavlan-8": "10.25.11.13",
+      "kavlan-9": "10.25.75.13"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:f::1c",
+      "kavlan-11": "2001:660:4406:1a0:70f::1c",
+      "kavlan-12": "2001:660:4406:2a0:70f::1c",
+      "kavlan-13": "2001:660:4406:4a0:70f::1c",
+      "kavlan-14": "2001:660:4406:5a0:70f::1c",
+      "kavlan-16": "2001:660:4406:7a0:70f::1c",
+      "kavlan-17": "2001:660:4406:9a0:70f::1c",
+      "kavlan-18": "2001:660:4406:8a0:70f::1c",
+      "kavlan-2": "2001:660:4406:781:f::1c",
+      "kavlan-20": "2001:660:4406:3a0:70f::1c",
+      "kavlan-21": "2001:660:4406:6a0:70f::1c",
+      "kavlan-3": "2001:660:4406:782:f::1c",
+      "kavlan-4": "2001:660:4406:790:f::1c",
+      "kavlan-5": "2001:660:4406:791:f::1c",
+      "kavlan-6": "2001:660:4406:792:f::1c",
+      "kavlan-7": "2001:660:4406:793:f::1c",
+      "kavlan-8": "2001:660:4406:794:f::1c",
+      "kavlan-9": "2001:660:4406:795:f::1c"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -80,7 +124,7 @@
       "interface": "Ethernet",
       "ip": "172.16.110.28",
       "ip6": "2001:660:4406:700:f::1c",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "7c:d3:0a:d5:59:6e",
       "management": false,
       "model": "82599ES 10-Gigabit SFI/SFP+ Network Connection",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon8/roazhon8.json b/data/grid5000/sites/rennes/clusters/roazhon8/roazhon8.json
index 9b1c7b259583cc8970d48aa9d96e443b679e99a5..ca20f4fe4d6ff560005b677a212905bddf2eb311 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon8/roazhon8.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon8/roazhon8.json
@@ -2,7 +2,7 @@
   "boot_type": "bios",
   "created_at": "Tue, 24 Oct 2023 00:00:00 GMT",
   "exotic": false,
-  "kavlan": false,
+  "kavlan": true,
   "manufactured_at": "2017-06-22",
   "metrics": [
     {
diff --git a/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-1.json b/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-1.json
index 0be805487bb0944f4a538f6939aad081cdddaa78..e8147eca4af33a18b49444d491c7b20c386b5869 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-1.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-1.json
@@ -20,6 +20,50 @@
     "warranty_end": "2024-12-15"
   },
   "exotic": false,
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.203.11",
+      "kavlan-11": "10.7.245.31",
+      "kavlan-12": "10.11.245.31",
+      "kavlan-13": "10.15.245.31",
+      "kavlan-14": "10.19.245.31",
+      "kavlan-16": "10.27.245.31",
+      "kavlan-17": "10.31.245.31",
+      "kavlan-18": "10.35.245.31",
+      "kavlan-2": "192.168.219.11",
+      "kavlan-20": "10.43.245.31",
+      "kavlan-21": "10.47.245.31",
+      "kavlan-3": "192.168.235.11",
+      "kavlan-4": "10.24.11.14",
+      "kavlan-5": "10.24.75.14",
+      "kavlan-6": "10.24.139.14",
+      "kavlan-7": "10.24.203.14",
+      "kavlan-8": "10.25.11.14",
+      "kavlan-9": "10.25.75.14"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:f::1d",
+      "kavlan-11": "2001:660:4406:1a0:70f::1d",
+      "kavlan-12": "2001:660:4406:2a0:70f::1d",
+      "kavlan-13": "2001:660:4406:4a0:70f::1d",
+      "kavlan-14": "2001:660:4406:5a0:70f::1d",
+      "kavlan-16": "2001:660:4406:7a0:70f::1d",
+      "kavlan-17": "2001:660:4406:9a0:70f::1d",
+      "kavlan-18": "2001:660:4406:8a0:70f::1d",
+      "kavlan-2": "2001:660:4406:781:f::1d",
+      "kavlan-20": "2001:660:4406:3a0:70f::1d",
+      "kavlan-21": "2001:660:4406:6a0:70f::1d",
+      "kavlan-3": "2001:660:4406:782:f::1d",
+      "kavlan-4": "2001:660:4406:790:f::1d",
+      "kavlan-5": "2001:660:4406:791:f::1d",
+      "kavlan-6": "2001:660:4406:792:f::1d",
+      "kavlan-7": "2001:660:4406:793:f::1d",
+      "kavlan-8": "2001:660:4406:794:f::1d",
+      "kavlan-9": "2001:660:4406:795:f::1d"
+    }
+  },
   "main_memory": {
     "ram_size": 549755813888
   },
@@ -120,7 +164,7 @@
       "interface": "Ethernet",
       "ip": "172.16.110.29",
       "ip6": "2001:660:4406:700:f::1d",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "3c:fd:fe:54:e2:b8",
       "management": false,
       "model": "Ethernet Controller X710 for 10GbE SFP+",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-2.json b/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-2.json
index bc363dd8d05681a53e872b8294eb54ed63b0b299..39b1843faa88572d9e9345927baa02c73a3a3211 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-2.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-2.json
@@ -20,6 +20,50 @@
     "warranty_end": "2024-12-15"
   },
   "exotic": false,
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.203.12",
+      "kavlan-11": "10.7.245.32",
+      "kavlan-12": "10.11.245.32",
+      "kavlan-13": "10.15.245.32",
+      "kavlan-14": "10.19.245.32",
+      "kavlan-16": "10.27.245.32",
+      "kavlan-17": "10.31.245.32",
+      "kavlan-18": "10.35.245.32",
+      "kavlan-2": "192.168.219.12",
+      "kavlan-20": "10.43.245.32",
+      "kavlan-21": "10.47.245.32",
+      "kavlan-3": "192.168.235.12",
+      "kavlan-4": "10.24.11.15",
+      "kavlan-5": "10.24.75.15",
+      "kavlan-6": "10.24.139.15",
+      "kavlan-7": "10.24.203.15",
+      "kavlan-8": "10.25.11.15",
+      "kavlan-9": "10.25.75.15"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:f::1e",
+      "kavlan-11": "2001:660:4406:1a0:70f::1e",
+      "kavlan-12": "2001:660:4406:2a0:70f::1e",
+      "kavlan-13": "2001:660:4406:4a0:70f::1e",
+      "kavlan-14": "2001:660:4406:5a0:70f::1e",
+      "kavlan-16": "2001:660:4406:7a0:70f::1e",
+      "kavlan-17": "2001:660:4406:9a0:70f::1e",
+      "kavlan-18": "2001:660:4406:8a0:70f::1e",
+      "kavlan-2": "2001:660:4406:781:f::1e",
+      "kavlan-20": "2001:660:4406:3a0:70f::1e",
+      "kavlan-21": "2001:660:4406:6a0:70f::1e",
+      "kavlan-3": "2001:660:4406:782:f::1e",
+      "kavlan-4": "2001:660:4406:790:f::1e",
+      "kavlan-5": "2001:660:4406:791:f::1e",
+      "kavlan-6": "2001:660:4406:792:f::1e",
+      "kavlan-7": "2001:660:4406:793:f::1e",
+      "kavlan-8": "2001:660:4406:794:f::1e",
+      "kavlan-9": "2001:660:4406:795:f::1e"
+    }
+  },
   "main_memory": {
     "ram_size": 549755813888
   },
@@ -120,7 +164,7 @@
       "interface": "Ethernet",
       "ip": "172.16.110.30",
       "ip6": "2001:660:4406:700:f::1e",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "3c:fd:fe:54:e2:58",
       "management": false,
       "model": "Ethernet Controller X710 for 10GbE SFP+",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-3.json b/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-3.json
index 619eca89bc5effe855a905da5622b87b330d717a..8812c8fe7db5c738e6cb3e5b8de80dc7fe43fac8 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-3.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-3.json
@@ -20,6 +20,50 @@
     "warranty_end": "2024-12-15"
   },
   "exotic": false,
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.203.13",
+      "kavlan-11": "10.7.245.33",
+      "kavlan-12": "10.11.245.33",
+      "kavlan-13": "10.15.245.33",
+      "kavlan-14": "10.19.245.33",
+      "kavlan-16": "10.27.245.33",
+      "kavlan-17": "10.31.245.33",
+      "kavlan-18": "10.35.245.33",
+      "kavlan-2": "192.168.219.13",
+      "kavlan-20": "10.43.245.33",
+      "kavlan-21": "10.47.245.33",
+      "kavlan-3": "192.168.235.13",
+      "kavlan-4": "10.24.11.16",
+      "kavlan-5": "10.24.75.16",
+      "kavlan-6": "10.24.139.16",
+      "kavlan-7": "10.24.203.16",
+      "kavlan-8": "10.25.11.16",
+      "kavlan-9": "10.25.75.16"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:f::1f",
+      "kavlan-11": "2001:660:4406:1a0:70f::1f",
+      "kavlan-12": "2001:660:4406:2a0:70f::1f",
+      "kavlan-13": "2001:660:4406:4a0:70f::1f",
+      "kavlan-14": "2001:660:4406:5a0:70f::1f",
+      "kavlan-16": "2001:660:4406:7a0:70f::1f",
+      "kavlan-17": "2001:660:4406:9a0:70f::1f",
+      "kavlan-18": "2001:660:4406:8a0:70f::1f",
+      "kavlan-2": "2001:660:4406:781:f::1f",
+      "kavlan-20": "2001:660:4406:3a0:70f::1f",
+      "kavlan-21": "2001:660:4406:6a0:70f::1f",
+      "kavlan-3": "2001:660:4406:782:f::1f",
+      "kavlan-4": "2001:660:4406:790:f::1f",
+      "kavlan-5": "2001:660:4406:791:f::1f",
+      "kavlan-6": "2001:660:4406:792:f::1f",
+      "kavlan-7": "2001:660:4406:793:f::1f",
+      "kavlan-8": "2001:660:4406:794:f::1f",
+      "kavlan-9": "2001:660:4406:795:f::1f"
+    }
+  },
   "main_memory": {
     "ram_size": 549755813888
   },
@@ -120,7 +164,7 @@
       "interface": "Ethernet",
       "ip": "172.16.110.31",
       "ip6": "2001:660:4406:700:f::1f",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "3c:fd:fe:54:f0:98",
       "management": false,
       "model": "Ethernet Controller X710 for 10GbE SFP+",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-4.json b/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-4.json
index 87429679d997a0dfd619eaa78a464c798fed664a..7bf82edc44001377d223d8cf50581af13c725325 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-4.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon9/nodes/roazhon9-4.json
@@ -20,6 +20,50 @@
     "warranty_end": "2024-12-15"
   },
   "exotic": false,
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.203.14",
+      "kavlan-11": "10.7.245.34",
+      "kavlan-12": "10.11.245.34",
+      "kavlan-13": "10.15.245.34",
+      "kavlan-14": "10.19.245.34",
+      "kavlan-16": "10.27.245.34",
+      "kavlan-17": "10.31.245.34",
+      "kavlan-18": "10.35.245.34",
+      "kavlan-2": "192.168.219.14",
+      "kavlan-20": "10.43.245.34",
+      "kavlan-21": "10.47.245.34",
+      "kavlan-3": "192.168.235.14",
+      "kavlan-4": "10.24.11.17",
+      "kavlan-5": "10.24.75.17",
+      "kavlan-6": "10.24.139.17",
+      "kavlan-7": "10.24.203.17",
+      "kavlan-8": "10.25.11.17",
+      "kavlan-9": "10.25.75.17"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:f::20",
+      "kavlan-11": "2001:660:4406:1a0:70f::20",
+      "kavlan-12": "2001:660:4406:2a0:70f::20",
+      "kavlan-13": "2001:660:4406:4a0:70f::20",
+      "kavlan-14": "2001:660:4406:5a0:70f::20",
+      "kavlan-16": "2001:660:4406:7a0:70f::20",
+      "kavlan-17": "2001:660:4406:9a0:70f::20",
+      "kavlan-18": "2001:660:4406:8a0:70f::20",
+      "kavlan-2": "2001:660:4406:781:f::20",
+      "kavlan-20": "2001:660:4406:3a0:70f::20",
+      "kavlan-21": "2001:660:4406:6a0:70f::20",
+      "kavlan-3": "2001:660:4406:782:f::20",
+      "kavlan-4": "2001:660:4406:790:f::20",
+      "kavlan-5": "2001:660:4406:791:f::20",
+      "kavlan-6": "2001:660:4406:792:f::20",
+      "kavlan-7": "2001:660:4406:793:f::20",
+      "kavlan-8": "2001:660:4406:794:f::20",
+      "kavlan-9": "2001:660:4406:795:f::20"
+    }
+  },
   "main_memory": {
     "ram_size": 549755813888
   },
@@ -120,7 +164,7 @@
       "interface": "Ethernet",
       "ip": "172.16.110.32",
       "ip6": "2001:660:4406:700:f::20",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "3c:fd:fe:54:ef:d8",
       "management": false,
       "model": "Ethernet Controller X710 for 10GbE SFP+",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon9/roazhon9.json b/data/grid5000/sites/rennes/clusters/roazhon9/roazhon9.json
index d81983254d6ae98c38e02a345a4d20690b7b8f4e..ed7ebb5e5e3bcfa3b26f24746382e70d38b0ca8f 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon9/roazhon9.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon9/roazhon9.json
@@ -2,7 +2,7 @@
   "boot_type": "bios",
   "created_at": "Mon, 09 Oct 2023 00:00:00 GMT",
   "exotic": false,
-  "kavlan": false,
+  "kavlan": true,
   "manufactured_at": "2017-12-15",
   "metrics": [
     {
diff --git a/input/grid5000/sites/rennes/clusters/abacus12/abacus12.yaml b/input/grid5000/sites/rennes/clusters/abacus12/abacus12.yaml
index b36099741fd6c3a30a576412b2663334cbb64309..7b14056b161d7509b954f5b3e85e3b1a461d7774 100644
--- a/input/grid5000/sites/rennes/clusters/abacus12/abacus12.yaml
+++ b/input/grid5000/sites/rennes/clusters/abacus12/abacus12.yaml
@@ -1,6 +1,6 @@
 model: Dell PowerEdge R740
 created_at: 2023-11-17
-kavlan: false
+kavlan: true
 boot_type: bios
 exotic: false
 queues:
diff --git a/input/grid5000/sites/rennes/clusters/abacus14/abacus14.yaml b/input/grid5000/sites/rennes/clusters/abacus14/abacus14.yaml
index 4dca074d86559610438586d1aff3aacc30a0a989..c5af65646c6d919ca4e6fec4748af6d8b9437f16 100644
--- a/input/grid5000/sites/rennes/clusters/abacus14/abacus14.yaml
+++ b/input/grid5000/sites/rennes/clusters/abacus14/abacus14.yaml
@@ -1,6 +1,6 @@
 model: Dell PowerEdge C4140
 created_at: 2023-11-08
-kavlan: false
+kavlan: true
 boot_type: bios
 exotic: false
 queues:
diff --git a/input/grid5000/sites/rennes/clusters/abacus16/abacus16.yaml b/input/grid5000/sites/rennes/clusters/abacus16/abacus16.yaml
index 95a0dde0ccd8f2ab521dde97f656b2d4dd5feeba..fab99cdd684006d795418033578af2164f10b40e 100644
--- a/input/grid5000/sites/rennes/clusters/abacus16/abacus16.yaml
+++ b/input/grid5000/sites/rennes/clusters/abacus16/abacus16.yaml
@@ -1,6 +1,6 @@
 model: Dell PowerEdge C4140
 created_at: 2023-10-16
-kavlan: false
+kavlan: true
 boot_type: bios
 exotic: false
 queues:
diff --git a/input/grid5000/sites/rennes/clusters/abacus9/abacus9.yaml b/input/grid5000/sites/rennes/clusters/abacus9/abacus9.yaml
index 97dcd7c8195bfead761e403a1cc3916c4395d549..b1e290bd24d442666199c7c9b673345f9d8dcd78 100644
--- a/input/grid5000/sites/rennes/clusters/abacus9/abacus9.yaml
+++ b/input/grid5000/sites/rennes/clusters/abacus9/abacus9.yaml
@@ -1,6 +1,6 @@
 model: Dell PowerEdge C4140
 created_at: 2023-11-06
-kavlan: false
+kavlan: true
 boot_type: bios
 exotic: false
 queues:
diff --git a/input/grid5000/sites/rennes/clusters/roazhon3/roazhon3.yaml b/input/grid5000/sites/rennes/clusters/roazhon3/roazhon3.yaml
index 482658a2bcbe60201ff06a2ba02554fab7af71f9..0e11dc9fdc499a44b5f777554915eab7e98e5740 100644
--- a/input/grid5000/sites/rennes/clusters/roazhon3/roazhon3.yaml
+++ b/input/grid5000/sites/rennes/clusters/roazhon3/roazhon3.yaml
@@ -1,6 +1,6 @@
 model: Dell PowerEdge R640
 created_at: 2023-10-24
-kavlan: false
+kavlan: true
 boot_type: bios
 exotic: false
 queues:
diff --git a/input/grid5000/sites/rennes/clusters/roazhon7/roazhon7.yaml b/input/grid5000/sites/rennes/clusters/roazhon7/roazhon7.yaml
index 1b918705ce46d0acc6f0ee21ef71a4405277cff4..9e6a6a5e0952990c8c0850a23dc3b86bd70755b0 100644
--- a/input/grid5000/sites/rennes/clusters/roazhon7/roazhon7.yaml
+++ b/input/grid5000/sites/rennes/clusters/roazhon7/roazhon7.yaml
@@ -1,6 +1,6 @@
 model: Dell PowerEdge C6320
 created_at: 2023-12-20
-kavlan: false
+kavlan: true
 boot_type: bios
 exotic: false
 queues:
diff --git a/input/grid5000/sites/rennes/clusters/roazhon8/roazhon8.yaml b/input/grid5000/sites/rennes/clusters/roazhon8/roazhon8.yaml
index 91e50a0aa9de39076a01e7dc6859eb267b74715a..1787e6bc8ddf4411db145fcb83f22789c2e4dfe1 100644
--- a/input/grid5000/sites/rennes/clusters/roazhon8/roazhon8.yaml
+++ b/input/grid5000/sites/rennes/clusters/roazhon8/roazhon8.yaml
@@ -1,6 +1,6 @@
 model: Dell PowerEdge C6320
 created_at: 2023-10-24
-kavlan: false
+kavlan: true
 boot_type: bios
 exotic: false
 queues:
diff --git a/input/grid5000/sites/rennes/clusters/roazhon9/roazhon9.yaml b/input/grid5000/sites/rennes/clusters/roazhon9/roazhon9.yaml
index 0a4cfbe818843e938bba4b8f24975db9a7bb7cd0..4793c3ffa217b661191ef897fe38330f0b222656 100644
--- a/input/grid5000/sites/rennes/clusters/roazhon9/roazhon9.yaml
+++ b/input/grid5000/sites/rennes/clusters/roazhon9/roazhon9.yaml
@@ -1,6 +1,6 @@
 model: Dell PowerEdge C6420
 created_at: 2023-10-09
-kavlan: false
+kavlan: true
 boot_type: bios
 exotic: false
 queues:
diff --git a/input/grid5000/vlans.yaml b/input/grid5000/vlans.yaml
index bd2670066a92a02d61aeed41d23ac149b37d5bfa..665eb05df209853666f72ce64404b9de0a8995e2 100644
--- a/input/grid5000/vlans.yaml
+++ b/input/grid5000/vlans.yaml
@@ -112,6 +112,14 @@ vlans:
       local rennes parasilo eth0 0 0 7 0
       local rennes parasilo eth1 0 0 8 0
       local rennes paradoxe eth0 0 0 9 0
+      local rennes abacus9 eth0 0 0 10 0
+      local rennes abacus12 eth0 0 0 10 2
+      local rennes abacus14 eth0 0 0 10 4
+      local rennes abacus16 eth0 0 0 10 6
+      local rennes roazhon3 eth0 0 0 11 0
+      local rennes roazhon7 eth0 0 0 11 2
+      local rennes roazhon8 eth0 0 0 11 6
+      local rennes roazhon9 eth0 0 0 11 10
       local sophia uvb eth0 0 0 1 0
       local toulouse montcalm eth0 0 0 0 0
       local toulouse estats eth0 0 0 1 0
@@ -166,6 +174,14 @@ vlans:
       global nantes ecotype eth1 0 0 49 100
       global toulouse montcalm eth0 0 0 50 0
       global toulouse estats eth0 0 0 51 0
+      global rennes abacus9 eth0 0 0 52 0
+      global rennes abacus12 eth0 0 0 52 10
+      global rennes abacus14 eth0 0 0 52 20
+      global rennes abacus16 eth0 0 0 52 30
+      global rennes roazhon3 eth0 0 0 53 0
+      global rennes roazhon7 eth0 0 0 53 10
+      global rennes roazhon8 eth0 0 0 53 20
+      global rennes roazhon9 eth0 0 0 53 30
       routed grenoble yeti eth0 0 4 0 0
       routed grenoble dahu eth0 0 4 1 0
       routed grenoble troll eth0 0 4 2 0
@@ -209,6 +225,14 @@ vlans:
       routed rennes parasilo eth0 0 24 7 0
       routed rennes parasilo eth1 0 24 8 0
       routed rennes paradoxe eth0 0 24 9 0
+      routed rennes abacus9 eth0 0 24 10 0
+      routed rennes abacus12 eth0 0 24 10 2
+      routed rennes abacus14 eth0 0 24 10 4
+      routed rennes abacus16 eth0 0 24 10 6
+      routed rennes roazhon3 eth0 0 24 11 0
+      routed rennes roazhon7 eth0 0 24 11 5
+      routed rennes roazhon8 eth0 0 24 11 9
+      routed rennes roazhon9 eth0 0 24 11 13
       routed toulouse montcalm eth0 0 28 0 0
       routed toulouse estats eth0 0 29 0 0
       routed sophia uvb eth0 0 32 1 0