diff --git a/data/grid5000/sites/grenoble/network_equipments/imag-1b-F1-prod-01.json b/data/grid5000/sites/grenoble/network_equipments/imag-1b-F1-prod-01.json
index 61ed1f3c45fab53ec55d7f5b383f767c2d7683d9..8f8fb1bdcb60baf8462cfb494c1f7cdf6807f94f 100644
--- a/data/grid5000/sites/grenoble/network_equipments/imag-1b-F1-prod-01.json
+++ b/data/grid5000/sites/grenoble/network_equipments/imag-1b-F1-prod-01.json
@@ -77,11 +77,6 @@
         {
         },
         {
-          "kind": "switch",
-          "rate": 10000000000,
-          "snmp_name": "1/1/33",
-          "trunk": false,
-          "uid": "imag-1b-F1-admin"
         },
         {
         },
diff --git a/data/grid5000/sites/grenoble/network_equipments/imag-1b-F2-prod-01.json b/data/grid5000/sites/grenoble/network_equipments/imag-1b-F2-prod-01.json
index e276a2485e24ddb97ef003e7a870057cfcaf7971..00a299145f91fab5bb64969d3d19c9587204d0f9 100644
--- a/data/grid5000/sites/grenoble/network_equipments/imag-1b-F2-prod-01.json
+++ b/data/grid5000/sites/grenoble/network_equipments/imag-1b-F2-prod-01.json
@@ -77,11 +77,6 @@
         {
         },
         {
-          "kind": "switch",
-          "rate": 10000000000,
-          "snmp_name": "1/1/33",
-          "trunk": false,
-          "uid": "imag-1b-F2-admin"
         },
         {
         },
diff --git a/data/grid5000/sites/grenoble/network_equipments/imag-1b-F3-prod-01.json b/data/grid5000/sites/grenoble/network_equipments/imag-1b-F3-prod-01.json
index 61fed4e07c85fc70dd034a0a7ac2b3eaa7fbad03..21a60d7166c449d9265f337db5a736ac6c5befc1 100644
--- a/data/grid5000/sites/grenoble/network_equipments/imag-1b-F3-prod-01.json
+++ b/data/grid5000/sites/grenoble/network_equipments/imag-1b-F3-prod-01.json
@@ -3,7 +3,7 @@
   "channels": {
     "lag1": {
       "kind": "router",
-      "port": "lag1",
+      "port": "port-channel50",
       "rate": 50000000000,
       "ssh_name": "lag 1",
       "uid": "gw"
@@ -55,24 +55,12 @@
         {
         },
         {
-          "kind": "server",
-          "snmp_name": "1/1/14",
-          "uid": "pve-1"
         },
         {
-          "kind": "server",
-          "snmp_name": "1/1/15",
-          "uid": "pve-2"
         },
         {
-          "kind": "server",
-          "snmp_name": "1/1/16",
-          "uid": "nfs-1"
         },
         {
-          "kind": "server",
-          "snmp_name": "1/1/17",
-          "uid": "group-storage-1"
         },
         {
         },
@@ -131,35 +119,14 @@
         {
         },
         {
-          "kind": "switch",
-          "rate": 10000000000,
-          "snmp_name": "1/1/44",
-          "trunk": false,
-          "uid": "imag-1b-F3-admin"
         },
         {
-          "kind": "node",
-          "port": "eth0",
-          "snmp_name": "1/1/45",
-          "uid": "chartreuse1-1"
         },
         {
-          "kind": "node",
-          "port": "eth0",
-          "snmp_name": "1/1/46",
-          "uid": "chartreuse1-2"
         },
         {
-          "kind": "node",
-          "port": "eth0",
-          "snmp_name": "1/1/47",
-          "uid": "chartreuse1-3"
         },
         {
-          "kind": "node",
-          "port": "eth0",
-          "snmp_name": "1/1/48",
-          "uid": "chartreuse1-4"
         },
         {
           "kind": "switch",
diff --git a/input/grid5000/sites/grenoble/networks/imag-1b-F1-prod-01.yaml b/input/grid5000/sites/grenoble/networks/imag-1b-F1-prod-01.yaml
index ddb422180c8cb3f65c3c11b7ce053cca647edc80..a97e3e4258f0c7e96ba9f484ee4c41049ff0beb9 100644
--- a/input/grid5000/sites/grenoble/networks/imag-1b-F1-prod-01.yaml
+++ b/input/grid5000/sites/grenoble/networks/imag-1b-F1-prod-01.yaml
@@ -16,11 +16,6 @@ imag-1b-F1-prod-01:
       rate: 25_000_000_000
       backplane_bps: 4_800_000_000_000
       ports:
-        33:
-          uid: imag-1b-F1-admin
-          kind: switch
-          rate: 10_000_000_000
-          trunk: false
         49:
           uid: imag-1b-F3-prod-01
           kind: switch
diff --git a/input/grid5000/sites/grenoble/networks/imag-1b-F2-prod-01.yaml b/input/grid5000/sites/grenoble/networks/imag-1b-F2-prod-01.yaml
index 1ad54014c0714c50021064007c828315af8999d7..85c2d1e585dff9f9714f374f39b4a9ab92543049 100644
--- a/input/grid5000/sites/grenoble/networks/imag-1b-F2-prod-01.yaml
+++ b/input/grid5000/sites/grenoble/networks/imag-1b-F2-prod-01.yaml
@@ -16,11 +16,6 @@ imag-1b-F2-prod-01:
       rate: 25_000_000_000
       backplane_bps: 4_800_000_000_000
       ports:
-        33:
-          uid: imag-1b-F2-admin
-          kind: switch
-          rate: 10_000_000_000
-          trunk: false
         49:
           uid: imag-1b-F1-prod-01
           kind: switch
diff --git a/input/grid5000/sites/grenoble/networks/imag-1b-F3-prod-01.yaml b/input/grid5000/sites/grenoble/networks/imag-1b-F3-prod-01.yaml
index e372ea86c72f2792d3db4801d7769d7a70933a40..80bf05888150af457d47b4731f63e5b01d3f5889 100644
--- a/input/grid5000/sites/grenoble/networks/imag-1b-F3-prod-01.yaml
+++ b/input/grid5000/sites/grenoble/networks/imag-1b-F3-prod-01.yaml
@@ -23,33 +23,8 @@ imag-1b-F3-prod-01:
         2:
           uid: lag1
           kind: channel
-        14:
-          uid: pve-1
-          kind: server
-        15:
-          uid: pve-2
-          kind: server
-        16:
-          uid: nfs-1
-          kind: server
-        17:
-          uid: group-storage-1
-          kind: server
         22:
           uid: nessie-1
-        44:
-          uid: imag-1b-F3-admin
-          kind: switch
-          rate: 10_000_000_000
-          trunk: false
-        45:
-          uid: chartreuse1-1
-        46:
-          uid: chartreuse1-2
-        47:
-          uid: chartreuse1-3
-        48:
-          uid: chartreuse1-4
         49:
           uid: imag-1b-F1-prod-01
           kind: switch
@@ -62,4 +37,4 @@ imag-1b-F3-prod-01:
       kind: router
       rate: 50_000_000_000
       uid: gw
-      port: lag1
+      port: port-channel50