diff --git a/data/grid5000/sites/rennes/clusters/abacus28/nodes/abacus28-1.json b/data/grid5000/sites/rennes/clusters/abacus28/nodes/abacus28-1.json
index c131500295b04eaa26a5229b7e10aad50e2e9bc0..3f6bddb72cec6c4958530cbb843a3f8b44bf6c27 100644
--- a/data/grid5000/sites/rennes/clusters/abacus28/nodes/abacus28-1.json
+++ b/data/grid5000/sites/rennes/clusters/abacus28/nodes/abacus28-1.json
@@ -181,8 +181,8 @@
       "rate": 10000000000,
       "sriov": false,
       "sriov_totalvfs": 0,
-      "switch": null,
-      "switch_port": null,
+      "switch": "sw-1-c003",
+      "switch_port": "ethernet1/1/15",
       "vendor": "Intel"
     },
     {
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 2adb1d3abf20b648f1cdda769571b49af8f8d05d..15951c93d8b1202576853fde18be71112765c4a1 100644
--- a/data/grid5000/sites/rennes/network_equipments/sw-1-c003.json
+++ b/data/grid5000/sites/rennes/network_equipments/sw-1-c003.json
@@ -95,6 +95,10 @@
           "uid": "roazhon8-3"
         },
         {
+          "kind": "node",
+          "port": "eth0",
+          "snmp_name": "ethernet1/1/15",
+          "uid": "abacus28-1"
         },
         {
           "kind": "node",
diff --git a/input/grid5000/sites/rennes/networks/sw-1-c003.yaml b/input/grid5000/sites/rennes/networks/sw-1-c003.yaml
index 629594f79edf99ea1113247a8b1e761327cb58ef..3cccc62d33d40eccb2ab7bc42cb376687a6c1743 100644
--- a/input/grid5000/sites/rennes/networks/sw-1-c003.yaml
+++ b/input/grid5000/sites/rennes/networks/sw-1-c003.yaml
@@ -42,6 +42,8 @@ sw-1-c003:
           uid: roazhon7-3
         14:
           uid: roazhon8-3
+        15:
+          uid: abacus28-1
         16:
           uid: abacus9-1
         17: