diff --git a/data/grid5000/sites/sophia/network_equipments/gw.json b/data/grid5000/sites/sophia/network_equipments/gw.json
index dbfd8b48c1e56e434f049ad276cb1bf819aa21dd..cd0929a1965b2c575aee5595e8dd265131ae2a98 100644
--- a/data/grid5000/sites/sophia/network_equipments/gw.json
+++ b/data/grid5000/sites/sophia/network_equipments/gw.json
@@ -465,6 +465,26 @@
       "snmp_pattern": "GigabitEthernet%LINECARD%/%PORT%"
     }
   ],
+  "metrics": [
+    {
+      "description": "Input byte counter for the network device port",
+      "name": "network_ifacein_bytes_total",
+      "period": 1000,
+      "source": {
+        "id": "1.3.6.1.2.1.2.2.1.10.%SNMP_IFACE%",
+        "protocol": "snmp"
+      }
+    },
+    {
+      "description": "Output byte counter for the network device port",
+      "name": "network_ifaceout_bytes_total",
+      "period": 1000,
+      "source": {
+        "id": "1.3.6.1.2.1.2.2.1.16.%SNMP_IFACE%",
+        "protocol": "snmp"
+      }
+    }
+  ],
   "model": "Foundry",
   "role": "production",
   "site": "sophia",
diff --git a/data/grid5000/sites/sophia/network_equipments/swx1nef.json b/data/grid5000/sites/sophia/network_equipments/swx1nef.json
index 3f052b5fb30ded422ab63647893d5c31b827ebd9..927e4e0cad11dccc1fa1f2782af249555b284039 100644
--- a/data/grid5000/sites/sophia/network_equipments/swx1nef.json
+++ b/data/grid5000/sites/sophia/network_equipments/swx1nef.json
@@ -62,6 +62,26 @@
       "snmp_pattern": "Port: %PORT% Gigabit"
     }
   ],
+  "metrics": [
+    {
+      "description": "Input byte counter for the network device port",
+      "name": "network_ifacein_bytes_total",
+      "period": 1000,
+      "source": {
+        "id": "1.3.6.1.2.1.2.2.1.10.%SNMP_IFACE%",
+        "protocol": "snmp"
+      }
+    },
+    {
+      "description": "Output byte counter for the network device port",
+      "name": "network_ifaceout_bytes_total",
+      "period": 1000,
+      "source": {
+        "id": "1.3.6.1.2.1.2.2.1.16.%SNMP_IFACE%",
+        "protocol": "snmp"
+      }
+    }
+  ],
   "model": "Juniper EX2500-24F-FB",
   "role": "production",
   "site": "sophia",
diff --git a/data/grid5000/sites/sophia/network_equipments/swy1nef.json b/data/grid5000/sites/sophia/network_equipments/swy1nef.json
index 6cdf076f6ea5ba0c422dc444bf774eac96941720..19bee44dc9c095d71ace721bf1da9d9730748ecd 100644
--- a/data/grid5000/sites/sophia/network_equipments/swy1nef.json
+++ b/data/grid5000/sites/sophia/network_equipments/swy1nef.json
@@ -399,6 +399,26 @@
       "snmp_pattern": "Port: %PORT% Gigabit"
     }
   ],
+  "metrics": [
+    {
+      "description": "Input byte counter for the network device port",
+      "name": "network_ifacein_bytes_total",
+      "period": 1000,
+      "source": {
+        "id": "1.3.6.1.2.1.2.2.1.10.%SNMP_IFACE%",
+        "protocol": "snmp"
+      }
+    },
+    {
+      "description": "Output byte counter for the network device port",
+      "name": "network_ifaceout_bytes_total",
+      "period": 1000,
+      "source": {
+        "id": "1.3.6.1.2.1.2.2.1.16.%SNMP_IFACE%",
+        "protocol": "snmp"
+      }
+    }
+  ],
   "model": "Dell PowerConnect 6248",
   "role": "production",
   "site": "sophia",
diff --git a/input/grid5000/sites/sophia/networks/gw-sophia.yaml b/input/grid5000/sites/sophia/networks/gw-sophia.yaml
index fdd3b1e197ac9cc6cdb5bb55baa6bed7afde6bf2..b0735a5ac04c8e2089d7788e5703dd9b42ea2edb 100644
--- a/input/grid5000/sites/sophia/networks/gw-sophia.yaml
+++ b/input/grid5000/sites/sophia/networks/gw-sophia.yaml
@@ -6,6 +6,19 @@ gw:
   kind: router
   site: sophia
   snmp_community: g5kadmin
+  metrics:
+  - name: network_ifacein_bytes_total
+    description: Input byte counter for the network device port
+    period: 1000
+    source:
+      protocol: snmp
+      id: 1.3.6.1.2.1.2.2.1.10.%SNMP_IFACE%
+  - name: network_ifaceout_bytes_total
+    description: Output byte counter for the network device port
+    period: 1000
+    source:
+      protocol: snmp
+      id: 1.3.6.1.2.1.2.2.1.16.%SNMP_IFACE%
   alias:
     - gw-sophia
   ip: 172.16.143.254
@@ -198,3 +211,16 @@ gw:
         24:
           uid: srv-stock-eth1
           kind: server
+  metrics:
+  - name: network_ifacein_bytes_total
+    description: Input byte counter for the network device port
+    period: 1000
+    source:
+      protocol: snmp
+      id: 1.3.6.1.2.1.2.2.1.10.%SNMP_IFACE%
+  - name: network_ifaceout_bytes_total
+    description: Output byte counter for the network device port
+    period: 1000
+    source:
+      protocol: snmp
+      id: 1.3.6.1.2.1.2.2.1.16.%SNMP_IFACE%
diff --git a/input/grid5000/sites/sophia/networks/swx1nef.yaml b/input/grid5000/sites/sophia/networks/swx1nef.yaml
index 98c0cfa2e040242181273e07a63249686062d6e2..c95c838187d2ddedce27cc9507fcaf4e9c44775b 100644
--- a/input/grid5000/sites/sophia/networks/swx1nef.yaml
+++ b/input/grid5000/sites/sophia/networks/swx1nef.yaml
@@ -6,6 +6,19 @@ swx1nef:
   kind: switch
   site: sophia
   snmp_community: g5kadmin
+  metrics:
+  - name: network_ifacein_bytes_total
+    description: Input byte counter for the network device port
+    period: 1000
+    source:
+      protocol: snmp
+      id: 1.3.6.1.2.1.2.2.1.10.%SNMP_IFACE%
+  - name: network_ifaceout_bytes_total
+    description: Output byte counter for the network device port
+    period: 1000
+    source:
+      protocol: snmp
+      id: 1.3.6.1.2.1.2.2.1.16.%SNMP_IFACE%
   backplane_bps: 240000000000
   linecards:
     0:
diff --git a/input/grid5000/sites/sophia/networks/swy1nef.yaml b/input/grid5000/sites/sophia/networks/swy1nef.yaml
index d0b37cd7624ed331f47d115779a0b83ddf3a3202..864dd0ad2a57db3b1ccec92490c4bfd41e58c6cd 100644
--- a/input/grid5000/sites/sophia/networks/swy1nef.yaml
+++ b/input/grid5000/sites/sophia/networks/swy1nef.yaml
@@ -6,6 +6,19 @@ swy1nef:
   kind: switch
   site: sophia
   snmp_community: g5kadmin
+  metrics:
+  - name: network_ifacein_bytes_total
+    description: Input byte counter for the network device port
+    period: 1000
+    source:
+      protocol: snmp
+      id: 1.3.6.1.2.1.2.2.1.10.%SNMP_IFACE%
+  - name: network_ifaceout_bytes_total
+    description: Output byte counter for the network device port
+    period: 1000
+    source:
+      protocol: snmp
+      id: 1.3.6.1.2.1.2.2.1.16.%SNMP_IFACE%
   ip: 172.16.143.249
   backplane_bps: 184000000000
   linecards: