diff --git a/gestion/gen_confs/switchs.py b/gestion/gen_confs/switchs.py
index 29d2b806..8b9a9661 100755
--- a/gestion/gen_confs/switchs.py
+++ b/gestion/gen_confs/switchs.py
@@ -82,6 +82,7 @@ no spanning-tree %(uplinks)s edge-port
 spanning-tree %(non_uplinks)s point-to-point-mac auto
 spanning-tree %(non_uplinks)s priority 15
 no cdp run
+no stack
 """
 
     interface_template = """interface %(prise)i%(etat)s