diff --git a/data/grid5000/sites/nancy/network_equipments/gw.json b/data/grid5000/sites/nancy/network_equipments/gw.json
index ee6706f86d3e2084af8c2d7c32a0794bc0ba4b8e..88d9c9fc0042f5cba5f9b4feb688e37ac2a42984 100644
--- a/data/grid5000/sites/nancy/network_equipments/gw.json
+++ b/data/grid5000/sites/nancy/network_equipments/gw.json
@@ -4,6 +4,20 @@
     "sgravillon2"
   ],
   "backplane_bps": 1280000000000,
+  "channels": {
+    "port-channel2": {
+      "kind": "switch",
+      "port": "port-channel1",
+      "rate": 800000000000,
+      "uid": "sgros1"
+    },
+    "port-channel3": {
+      "kind": "switch",
+      "port": "port-channel1",
+      "rate": 800000000000,
+      "uid": "sgros2"
+    }
+  },
   "ip": "172.16.79.254",
   "kind": "router",
   "linecards": [
@@ -1782,12 +1796,16 @@
         {
         },
         {
+          "kind": "channel",
+          "rate": 40000000000,
+          "snmp_name": "Ethernet6/51",
+          "uid": "port-channel3"
         },
         {
-          "kind": "switch",
+          "kind": "channel",
           "rate": 40000000000,
           "snmp_name": "Ethernet6/52",
-          "uid": "sgros2"
+          "uid": "port-channel3"
         }
       ],
       "rate": 10000000000,
@@ -2002,12 +2020,16 @@
         {
         },
         {
+          "kind": "channel",
+          "rate": 40000000000,
+          "snmp_name": "Ethernet7/51",
+          "uid": "port-channel2"
         },
         {
-          "kind": "switch",
+          "kind": "channel",
           "rate": 40000000000,
           "snmp_name": "Ethernet7/52",
-          "uid": "sgros1"
+          "uid": "port-channel2"
         }
       ],
       "rate": 10000000000,
diff --git a/data/grid5000/sites/nancy/network_equipments/sgros1.json b/data/grid5000/sites/nancy/network_equipments/sgros1.json
index ffc9368516422540e00a73e6a5ee838d976510b7..4e1a91ccd59e410bf1e9f2812b3297255ee72725 100644
--- a/data/grid5000/sites/nancy/network_equipments/sgros1.json
+++ b/data/grid5000/sites/nancy/network_equipments/sgros1.json
@@ -1,5 +1,13 @@
 {
   "backplane_bps": 6400000000000,
+  "channels": {
+    "port-channel1": {
+      "kind": "router",
+      "port": "port-channel2",
+      "rate": 80000000000,
+      "uid": "gw"
+    }
+  },
   "ip": "172.17.79.208",
   "kind": "switch",
   "linecards": [
@@ -11,9 +19,14 @@
         {
         },
         {
-          "kind": "router",
+          "kind": "channel",
           "snmp_name": "ethernet1/1/1:1",
-          "uid": "gw"
+          "uid": "port-channel1"
+        },
+        {
+          "kind": "channel",
+          "snmp_name": "ethernet1/1/1:2",
+          "uid": "port-channel1"
         }
       ],
       "rate": 40000000000,
diff --git a/data/grid5000/sites/nancy/network_equipments/sgros2.json b/data/grid5000/sites/nancy/network_equipments/sgros2.json
index 4184de735abd5814aad2ab0576376eeefdce5504..71170a9d53b3f2b3cb653eb931d47327c58e9101 100644
--- a/data/grid5000/sites/nancy/network_equipments/sgros2.json
+++ b/data/grid5000/sites/nancy/network_equipments/sgros2.json
@@ -1,5 +1,13 @@
 {
   "backplane_bps": 6400000000000,
+  "channels": {
+    "port-channel1": {
+      "kind": "router",
+      "port": "port-channel3",
+      "rate": 80000000000,
+      "uid": "gw"
+    }
+  },
   "ip": "172.17.79.209",
   "kind": "switch",
   "linecards": [
@@ -11,9 +19,14 @@
         {
         },
         {
-          "kind": "router",
+          "kind": "channel",
           "snmp_name": "ethernet1/1/1:1",
-          "uid": "gw"
+          "uid": "port-channel1"
+        },
+        {
+          "kind": "channel",
+          "snmp_name": "ethernet1/1/1:2",
+          "uid": "port-channel1"
         }
       ],
       "rate": 40000000000,
diff --git a/input/grid5000/sites/nancy/networks/gw-nancy.yaml b/input/grid5000/sites/nancy/networks/gw-nancy.yaml
index 34e8af45f996c1a2d3d9d68e9b377e08d04c7789..b418787ef418ad9e0cee988fe92acc177f78caa2 100644
--- a/input/grid5000/sites/nancy/networks/gw-nancy.yaml
+++ b/input/grid5000/sites/nancy/networks/gw-nancy.yaml
@@ -702,9 +702,13 @@ gw:
           uid: grimani-2
         48:
           uid: grimani-3
+        51:
+          uid: port-channel3
+          kind: channel
+          rate: 40_000_000_000
         52:
-          uid: sgros2
-          kind: switch
+          uid: port-channel3
+          kind: channel
           rate: 40_000_000_000
 
     7:
@@ -765,7 +769,22 @@ gw:
           uid: graffiti-9-eth2
         48:
           uid: graffiti-4-eth2
+        51:
+          uid: port-channel2
+          kind: channel
+          rate: 40_000_000_000
         52:
-          uid: sgros1
-          kind: switch
+          uid: port-channel2
+          kind: channel
           rate: 40_000_000_000
+  channels:
+    port-channel2:
+      port: port-channel1
+      uid: sgros1
+      kind: switch
+      rate: 800000000000
+    port-channel3:
+      port: port-channel1
+      uid: sgros2
+      kind: switch
+      rate: 800000000000
diff --git a/input/grid5000/sites/nancy/networks/sgros1.yaml b/input/grid5000/sites/nancy/networks/sgros1.yaml
index 7fe9f59eb5984c3ecddd056ba74de8267bb5508a..6c8d5b6ff627bf074611197191684ca5ed5b9c20 100644
--- a/input/grid5000/sites/nancy/networks/sgros1.yaml
+++ b/input/grid5000/sites/nancy/networks/sgros1.yaml
@@ -15,8 +15,11 @@ sgros1:
       rate: 40_000_000_000
       ports:
         1:
-          uid: gw
-          kind: router
+          uid: port-channel1
+          kind: channel
+        2:
+          uid: port-channel1
+          kind: channel
     3:
       snmp_pattern: "ethernet1/1/%LINECARD%:%PORT%"
       kavlan_pattern: "ethernet1/1/%LINECARD%:%PORT%"
@@ -327,3 +330,9 @@ sgros1:
          2: gros-2
          3: gros-3
          4: gros-4
+  channels:
+    port-channel1:
+      port: port-channel2
+      uid: gw
+      kind: router
+      rate: 80000000000
diff --git a/input/grid5000/sites/nancy/networks/sgros2.yaml b/input/grid5000/sites/nancy/networks/sgros2.yaml
index 441790ff75789378dbb45bcb1780cc53e6266877..2d09d51013a7f869958815b1999772dd68fc220d 100644
--- a/input/grid5000/sites/nancy/networks/sgros2.yaml
+++ b/input/grid5000/sites/nancy/networks/sgros2.yaml
@@ -15,8 +15,11 @@ sgros2:
       rate: 40_000_000_000
       ports:
         1:
-          uid: gw
-          kind: router
+          uid: port-channel1
+          kind: channel
+        2:
+          uid: port-channel1
+          kind: channel
     3:
        snmp_pattern: "ethernet1/1/%LINECARD%:%PORT%"
        kavlan_pattern: "ethernet1/1/%LINECARD%:%PORT%"
@@ -327,3 +330,9 @@ sgros2:
          2: gros-2-eth1
          3: gros-3-eth1
          4: gros-4-eth1
+  channels:
+    port-channel1:
+      port: port-channel3
+      uid: gw
+      kind: router
+      rate: 80000000000