diff --git a/gestion/hptools.py b/gestion/hptools.py
index 77b2f8f4..abb67e5c 100755
--- a/gestion/hptools.py
+++ b/gestion/hptools.py
@@ -17,6 +17,7 @@ from annuaires import chbre_prises, all_switchs
 from os.path import exists
 from os import system
 from re import findall
+from config import vlans
 
 try:
     path.append('/usr/scripts/gestion/secrets')
@@ -360,6 +361,22 @@ class hpswitch :
                 else: code += 1
 
         self.set(oid,'i',code)
+
+    def vlans(self, prise = None):
+        """Récupère les vlans activés sur la prise 'prise'"""
+        if not prise:
+            prise = self.prise
+        prise = int(prise)
+        oid_base = 'SNMPv2-SMI::enterprises.11.2.14.11.5.1.7.1.15.3.1.1'
+        oid_format = oid_base + '.%(vlan)d.%(prise)d'
+        oids = self.walk(oid_base)
+        result = []
+        for vlan_name, vlan in vlans.iteritems():
+            if oid_format % {'vlan': vlan, 'prise': prise} in oids:
+                result.append(vlan_name)
+
+        return result
+
         
 class sw_chbre(hpswitch) :
     def __init__(self,chbre) :