diff --git a/data/grid5000/sites/rennes/clusters/abacus27/abacus27.json b/data/grid5000/sites/rennes/clusters/abacus27/abacus27.json
index 9dcd0ed02042c1dfedc410c76b869f3998dafcf0..74e4760f48086fc19115e359d08fbb3c1ac4e4ba 100644
--- a/data/grid5000/sites/rennes/clusters/abacus27/abacus27.json
+++ b/data/grid5000/sites/rennes/clusters/abacus27/abacus27.json
@@ -2,10 +2,54 @@
   "boot_type": "uefi",
   "created_at": "Wed, 15 Jan 2025 00:00:00 GMT",
   "exotic": false,
-  "kavlan": false,
+  "kavlan": true,
   "manufactured_at": "2024-11-26",
   "metrics": [
-
+    {
+      "description": "Default subset of metrics from Prometheus Node Exporter",
+      "name": "prom_default_metrics",
+      "optional_period": 15000,
+      "period": 0,
+      "source": {
+        "id": [
+          "node_boot_time_seconds",
+          "node_cpu_scaling_frequency_hertz",
+          "node_cpu_seconds_total",
+          "node_filesystem_free_bytes",
+          "node_filesystem_size_bytes",
+          "node_load1",
+          "node_load15",
+          "node_load5",
+          "node_memory_Buffers_bytes",
+          "node_memory_Cached_bytes",
+          "node_memory_MemAvailable_bytes",
+          "node_memory_MemFree_bytes",
+          "node_memory_MemTotal_bytes",
+          "node_memory_Shmem_bytes",
+          "node_memory_SwapFree_bytes",
+          "node_memory_SwapTotal_bytes",
+          "node_network_receive_bytes_total",
+          "node_network_receive_packets_total",
+          "node_network_transmit_bytes_total",
+          "node_network_transmit_packets_total",
+          "node_procs_blocked",
+          "node_procs_running",
+          "kwollect_custom"
+        ],
+        "port": 9100,
+        "protocol": "prometheus"
+      }
+    },
+    {
+      "description": "All metrics from Prometheus Node Exporter",
+      "name": "prom_all_metrics",
+      "optional_period": 15000,
+      "period": 0,
+      "source": {
+        "port": 9100,
+        "protocol": "prometheus"
+      }
+    }
   ],
   "model": "ProLiant DL385 Gen11",
   "priority": 202511,
diff --git a/data/grid5000/sites/rennes/clusters/abacus27/nodes/abacus27-1.json b/data/grid5000/sites/rennes/clusters/abacus27/nodes/abacus27-1.json
index 677331fd54ec42d4c3b2cceffb50175ba6005eec..6804528740cd23a3778077c6de97e3791c6d58c1 100644
--- a/data/grid5000/sites/rennes/clusters/abacus27/nodes/abacus27-1.json
+++ b/data/grid5000/sites/rennes/clusters/abacus27/nodes/abacus27-1.json
@@ -73,6 +73,50 @@
       "vendor": "Nvidia"
     }
   },
+  "kavlan": {
+    "eth0": {
+      "kavlan-1": "192.168.202.9",
+      "kavlan-11": "10.7.244.41",
+      "kavlan-12": "10.11.244.41",
+      "kavlan-13": "10.15.244.41",
+      "kavlan-14": "10.19.244.41",
+      "kavlan-16": "10.27.244.41",
+      "kavlan-17": "10.31.244.41",
+      "kavlan-18": "10.35.244.41",
+      "kavlan-2": "192.168.218.9",
+      "kavlan-20": "10.43.244.41",
+      "kavlan-21": "10.47.244.41",
+      "kavlan-3": "192.168.234.9",
+      "kavlan-4": "10.24.10.9",
+      "kavlan-5": "10.24.74.9",
+      "kavlan-6": "10.24.138.9",
+      "kavlan-7": "10.24.202.9",
+      "kavlan-8": "10.25.10.9",
+      "kavlan-9": "10.25.74.9"
+    }
+  },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:780:e::1e",
+      "kavlan-11": "2001:660:4406:1a0:70e::1e",
+      "kavlan-12": "2001:660:4406:2a0:70e::1e",
+      "kavlan-13": "2001:660:4406:4a0:70e::1e",
+      "kavlan-14": "2001:660:4406:5a0:70e::1e",
+      "kavlan-16": "2001:660:4406:7a0:70e::1e",
+      "kavlan-17": "2001:660:4406:9a0:70e::1e",
+      "kavlan-18": "2001:660:4406:8a0:70e::1e",
+      "kavlan-2": "2001:660:4406:781:e::1e",
+      "kavlan-20": "2001:660:4406:3a0:70e::1e",
+      "kavlan-21": "2001:660:4406:6a0:70e::1e",
+      "kavlan-3": "2001:660:4406:782:e::1e",
+      "kavlan-4": "2001:660:4406:790:e::1e",
+      "kavlan-5": "2001:660:4406:791:e::1e",
+      "kavlan-6": "2001:660:4406:792:e::1e",
+      "kavlan-7": "2001:660:4406:793:e::1e",
+      "kavlan-8": "2001:660:4406:794:e::1e",
+      "kavlan-9": "2001:660:4406:795:e::1e"
+    }
+  },
   "main_memory": {
     "ram_size": 549755813888
   },
@@ -173,7 +217,7 @@
       "interface": "Ethernet",
       "ip": "172.16.109.30",
       "ip6": "2001:660:4406:700:e::1e",
-      "kavlan": false,
+      "kavlan": true,
       "mac": "d4:04:e6:b4:b1:e0",
       "management": false,
       "model": "BCM57414 NetXtreme-E 10Gb/25Gb RDMA Ethernet Controller",
@@ -184,8 +228,8 @@
       "rate": 10000000000,
       "sriov": false,
       "sriov_totalvfs": 0,
-      "switch": null,
-      "switch_port": null,
+      "switch": "sw-1-c003",
+      "switch_port": "ethernet1/1/28",
       "vendor": "Broadcom Inc. and subsidiaries"
     },
     {
diff --git a/data/grid5000/sites/rennes/network_equipments/sw-1-c003.json b/data/grid5000/sites/rennes/network_equipments/sw-1-c003.json
index 6721c131cd531484289d1ce358217e7057771c2a..2adb1d3abf20b648f1cdda769571b49af8f8d05d 100644
--- a/data/grid5000/sites/rennes/network_equipments/sw-1-c003.json
+++ b/data/grid5000/sites/rennes/network_equipments/sw-1-c003.json
@@ -159,6 +159,12 @@
           "port": "1/1/43",
           "snmp_name": "ethernet1/1/27",
           "uid": "gw"
+        },
+        {
+          "kind": "node",
+          "port": "eth0",
+          "snmp_name": "ethernet1/1/28",
+          "uid": "abacus27-1"
         }
       ],
       "rate": 10000000000,
diff --git a/input/grid5000/sites/rennes/clusters/abacus27/abacus27.yaml b/input/grid5000/sites/rennes/clusters/abacus27/abacus27.yaml
index f880490fe48b2e37dc31defe39bf835cb253e4eb..8da018e7dd8068404b8d82a601685ac9c5923e47 100644
--- a/input/grid5000/sites/rennes/clusters/abacus27/abacus27.yaml
+++ b/input/grid5000/sites/rennes/clusters/abacus27/abacus27.yaml
@@ -1,7 +1,7 @@
 ---
 model: ProLiant DL385 Gen11
 created_at: 2025-01-15
-kavlan: false
+kavlan: true
 boot_type: uefi
 exotic: false
 queues:
diff --git a/input/grid5000/sites/rennes/clusters/abacus27/abacus27_metrics.yaml b/input/grid5000/sites/rennes/clusters/abacus27/abacus27_metrics.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..1b7527d9fcc26e8892353ae61510b49c2fe579ba
--- /dev/null
+++ b/input/grid5000/sites/rennes/clusters/abacus27/abacus27_metrics.yaml
@@ -0,0 +1,41 @@
+---
+metrics:
+  - name: prom_default_metrics
+    description: Default subset of metrics from Prometheus Node Exporter
+    period: 0
+    optional_period: 15000
+    source:
+      protocol: prometheus
+      port: 9100
+      id:
+        - node_boot_time_seconds
+        - node_cpu_scaling_frequency_hertz
+        - node_cpu_seconds_total
+        - node_filesystem_free_bytes
+        - node_filesystem_size_bytes
+        - node_load1
+        - node_load15
+        - node_load5
+        - node_memory_Buffers_bytes
+        - node_memory_Cached_bytes
+        - node_memory_MemAvailable_bytes
+        - node_memory_MemFree_bytes
+        - node_memory_MemTotal_bytes
+        - node_memory_Shmem_bytes
+        - node_memory_SwapFree_bytes
+        - node_memory_SwapTotal_bytes
+        - node_network_receive_bytes_total
+        - node_network_receive_packets_total
+        - node_network_transmit_bytes_total
+        - node_network_transmit_packets_total
+        - node_procs_blocked
+        - node_procs_running
+        - kwollect_custom
+
+  - name: prom_all_metrics
+    description: All metrics from Prometheus Node Exporter
+    period: 0
+    optional_period: 15000
+    source:
+      protocol: prometheus
+      port: 9100
diff --git a/input/grid5000/sites/rennes/networks/sw-1-c003.yaml b/input/grid5000/sites/rennes/networks/sw-1-c003.yaml
index 693902854ef72b255916ee84effc72545b8ec4a3..629594f79edf99ea1113247a8b1e761327cb58ef 100644
--- a/input/grid5000/sites/rennes/networks/sw-1-c003.yaml
+++ b/input/grid5000/sites/rennes/networks/sw-1-c003.yaml
@@ -64,3 +64,5 @@ sw-1-c003:
           uid: gw
           kind: router
           port: 1/1/43
+        28:
+          uid: abacus27-1
diff --git a/input/grid5000/vlans.yaml b/input/grid5000/vlans.yaml
index 72f4ac7de96f66964d2d2fde42167fb5f9741248..a5026ed0c190143dedc4dc8796c7fbf0e211aa0a 100644
--- a/input/grid5000/vlans.yaml
+++ b/input/grid5000/vlans.yaml
@@ -114,6 +114,7 @@ vlans:
       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 abacus27 eth0 0 0 10 8
       local rennes roazhon3 eth0 0 0 11 0
       local rennes roazhon7 eth0 0 0 11 2
       local rennes roazhon8 eth0 0 0 11 6
@@ -174,6 +175,7 @@ vlans:
       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 abacus27 eth0 0 0 52 40
       global rennes roazhon3 eth0 0 0 53 0
       global rennes roazhon7 eth0 0 0 53 10
       global rennes roazhon8 eth0 0 0 53 20
@@ -223,6 +225,7 @@ vlans:
       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 abacus27 eth0 0 24 10 8
       routed rennes roazhon3 eth0 0 24 11 0
       routed rennes roazhon7 eth0 0 24 11 5
       routed rennes roazhon8 eth0 0 24 11 9