'Get a single VLAN, by it\'s identifier
:param   vlan_id: The identifier of the VLAN
:type    vlan_id: ``str``
:return: an instance of `DimensionDataVlan`
:rtype: :class:`DimensionDataVlan`'

def ex_get_vlan(self, vlan_id):

    locations = self.list_locations()
    vlan = self.connection.request_with_orgId_api_2(('network/vlan/%s' % vlan_id)).object
    return self._to_vlan(vlan, locations)
