diff --git a/machines/forms.py b/machines/forms.py
index 468b6140..d2818b0d 100644
--- a/machines/forms.py
+++ b/machines/forms.py
@@ -100,7 +100,7 @@ class ExtensionForm(ModelForm):
 
     def __init__(self, *args, **kwargs):
         super(ExtensionForm, self).__init__(*args, **kwargs)
-        self.fields['name'].label = 'Exstension à ajouter'
+        self.fields['name'].label = 'Extension à ajouter'
 
 class DelExtensionForm(ModelForm):
     extensions = forms.ModelMultipleChoiceField(queryset=Extension.objects.all(), label="Extensions actuelles",  widget=forms.CheckboxSelectMultiple)
diff --git a/machines/migrations/0026_auto_20161026_1348.py b/machines/migrations/0026_auto_20161026_1348.py
new file mode 100644
index 00000000..bac001ec
--- /dev/null
+++ b/machines/migrations/0026_auto_20161026_1348.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('machines', '0025_auto_20161023_0038'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='interface',
+            name='dns',
+            field=models.CharField(unique=True, max_length=255, help_text='Obligatoire et unique, ne doit pas comporter de points'),
+        ),
+    ]
diff --git a/topologie/admin.py b/topologie/admin.py
index 6d651876..a3ffa335 100644
--- a/topologie/admin.py
+++ b/topologie/admin.py
@@ -5,7 +5,7 @@ from reversion.admin import VersionAdmin
 from .models import Port, Room, Switch
 
 class SwitchAdmin(VersionAdmin):
-    list_display = ('building','number','details')
+    list_display = ('switch_interface','location','number','details')
 
 class PortAdmin(VersionAdmin):
     list_display = ('switch', 'port','room','machine_interface','details')
diff --git a/topologie/forms.py b/topologie/forms.py
index eb95ef72..f93d80b4 100644
--- a/topologie/forms.py
+++ b/topologie/forms.py
@@ -14,14 +14,19 @@ class AddPortForm(ModelForm):
     class Meta(PortForm.Meta):
         fields = ['port', 'room', 'machine_interface', 'related', 'details']
 
-class SwitchForm(ModelForm):
+class EditSwitchForm(ModelForm):
     class Meta:
         model = Switch
         fields = '__all__'
 
-class EditSwitchForm(ModelForm):
-    class Meta(SwitchForm.Meta):
-        fields = ['building', 'number', 'details']
+    def __init__(self, *args, **kwargs):
+        super(EditSwitchForm, self).__init__(*args, **kwargs)
+        self.fields['location'].label = 'Localisation'
+        self.fields['number'].label = 'Nombre de ports'
+
+class NewSwitchForm(ModelForm):
+    class Meta(EditSwitchForm.Meta):
+        fields = ['location', 'number', 'details']
 
 class EditRoomForm(ModelForm):
     class Meta:
diff --git a/topologie/migrations/0019_auto_20161026_1348.py b/topologie/migrations/0019_auto_20161026_1348.py
new file mode 100644
index 00000000..f14d5a47
--- /dev/null
+++ b/topologie/migrations/0019_auto_20161026_1348.py
@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('machines', '0026_auto_20161026_1348'),
+        ('topologie', '0018_room_details'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='switch',
+            name='location',
+            field=models.CharField(default='test', max_length=255),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='switch',
+            name='switch_interface',
+            field=models.OneToOneField(default=1, to='machines.Interface'),
+            preserve_default=False,
+        ),
+        migrations.AlterUniqueTogether(
+            name='switch',
+            unique_together=set([]),
+        ),
+        migrations.RemoveField(
+            model_name='switch',
+            name='building',
+        ),
+    ]
diff --git a/topologie/models.py b/topologie/models.py
index f85f7fa7..ceb06345 100644
--- a/topologie/models.py
+++ b/topologie/models.py
@@ -16,15 +16,13 @@ def clean_port_related(port):
     related_port.save()
 
 class Switch(models.Model):
-    building = models.CharField(max_length=10)
+    switch_interface = models.OneToOneField('machines.Interface', on_delete=models.CASCADE)
+    location = models.CharField(max_length=255)
     number = models.IntegerField()
     details = models.CharField(max_length=255, blank=True)
 
-    class Meta:
-        unique_together = ('building', 'number')
-
     def __str__(self):
-        return str(self.building) + str(self.number)
+        return str(self.location)
 
 class Port(models.Model):
     switch = models.ForeignKey('Switch', related_name="ports")
diff --git a/topologie/templates/topologie/aff_switch.html b/topologie/templates/topologie/aff_switch.html
index cc80b12e..1b962bed 100644
--- a/topologie/templates/topologie/aff_switch.html
+++ b/topologie/templates/topologie/aff_switch.html
@@ -1,15 +1,19 @@
 <table class="table table-striped">
     <thead>
         <tr>
-            <th>Bâtiment</th>
-            <th>Numero</th>
+            <th>Dns</th>
+            <th>Ipv4</th>
+            <th>Localisation</th>
+            <th>Nombre de ports</th>
             <th>Détails</th>
             <th></th>
         </tr>
    </thead>
    {% for switch in switch_list %}
    <tr>
-       <td>{{switch.building}}</td>
+       <td>{{switch.switch_interface.dns}}</td>
+       <td>{{switch.switch_interface.ipv4}}</td>
+       <td>{{switch.location}}</td>
        <td>{{switch.number}}</td>
        <td>{{switch.details}}</td>
        <td><a class="btn btn-primary btn-sm" role="button" href="{% url 'topologie:index-port' switch.pk %}"><i class="glyphicon glyphicon-cog"></i> Configurer</a>
diff --git a/topologie/views.py b/topologie/views.py
index cd1eca54..297c3eaa 100644
--- a/topologie/views.py
+++ b/topologie/views.py
@@ -15,7 +15,7 @@ from re2o.settings import PAGINATION_NUMBER
 @login_required
 @permission_required('cableur')
 def index(request):
-    switch_list = Switch.objects.order_by('building', 'number')
+    switch_list = Switch.objects.order_by('location')
     return render(request, 'topologie/index.html', {'switch_list': switch_list})
 
 @login_required