diff --git a/data/grid5000/sites/toulouse/network_equipments/gw-toulouse.json b/data/grid5000/sites/toulouse/network_equipments/gw-toulouse.json
index cb470b6006acb9be7198b7893dba703a92930573..1015fa59c35fc0ae6b3f30217f0274d703ceb7e1 100644
--- a/data/grid5000/sites/toulouse/network_equipments/gw-toulouse.json
+++ b/data/grid5000/sites/toulouse/network_equipments/gw-toulouse.json
@@ -1,5 +1,6 @@
 {
   "ip": "172.17.127.254",
+  "ip6": "2001:660:4406:900::ffff:ffff",
   "kind": "router",
   "linecards": [
     {
diff --git a/input/grid5000/sites/toulouse/networks/gw-toulouse.yaml b/input/grid5000/sites/toulouse/networks/gw-toulouse.yaml
index 85fd2ab95d59e64ed80745a7b920c8c98feece7e..60aec13db83f15def4d2504b61c8846d5f7c709a 100644
--- a/input/grid5000/sites/toulouse/networks/gw-toulouse.yaml
+++ b/input/grid5000/sites/toulouse/networks/gw-toulouse.yaml
@@ -3,6 +3,7 @@ gw-toulouse:
   model: Temporary-Dell-OS6
   serial: unknown
   ip: 172.17.127.254
+  ip6: 2001:660:4406:900::ffff:ffff
   kind: router
   site: toulouse
   snmp_community: Unknown