diff --git a/data/grid5000/sites/grenoble/network_equipments/gw.json b/data/grid5000/sites/grenoble/network_equipments/gw.json
index 99dc40d5b7a137abc78996bf1ab16f24d16b16ea..907763ced9636e0ece6f9229788d5431d2fd5de8 100644
--- a/data/grid5000/sites/grenoble/network_equipments/gw.json
+++ b/data/grid5000/sites/grenoble/network_equipments/gw.json
@@ -416,13 +416,13 @@
         {
           "kind": "channel",
           "rate": 25000000000,
-          "snmp_name": "ethernet1/1/83:1",
+          "snmp_name": "ethernet1/1/83",
           "uid": "port-channel10"
         },
         {
           "kind": "channel",
           "rate": 25000000000,
-          "snmp_name": "ethernet1/1/84:1",
+          "snmp_name": "ethernet1/1/84",
           "uid": "port-channel10"
         },
         {
diff --git a/input/grid5000/sites/grenoble/networks/gw-grenoble.yaml b/input/grid5000/sites/grenoble/networks/gw-grenoble.yaml
index ddda3ea8e8ba465852cce7df5d3fa44689381d0a..09583fb8620ccc584e882effd48bb6ecfab862f4 100644
--- a/input/grid5000/sites/grenoble/networks/gw-grenoble.yaml
+++ b/input/grid5000/sites/grenoble/networks/gw-grenoble.yaml
@@ -154,10 +154,12 @@ gw:
         83:
           uid: port-channel10
           kind: channel
+          snmp_pattern: "ethernet1/1/%PORT%"
           rate: 25000000000
         84:
           uid: port-channel10
           kind: channel
+          snmp_pattern: "ethernet1/1/%PORT%"
           rate: 25000000000
         85:
           uid: port-channel20