Add vlan_groups to Region, SiteGroup, Site, Location, Rack, ClusterGroup, Cluster

netbox/dcim/models/racks.py

@@ -175,6 +175,12 @@ class Rack(PrimaryModel):
     comments = models.TextField(
         blank=True
     )
+    vlan_groups = GenericRelation(
+        to='ipam.VLANGroup',
+        content_type_field='scope_type',
+        object_id_field='scope_id',
+        related_query_name='rack'
+    )
     images = GenericRelation(
         to='extras.ImageAttachment'
     )