code: def associate_ipv6(self, id_equip, id_ipv6):
          
  
          if not is_valid_int_param(id_equip):
              raise InvalidParameterError(
                  u'The identifier of equipment is invalid or was not informed.')
  
          if not is_valid_int_param(id_ipv6):
              raise InvalidParameterError(
                  u'The identifier of ip is invalid or was not informed.')
  
          url = 'ipv6/' + str(id_ipv6) + '/equipment/' + str(id_equip) + '/'
  
          code, xml = self.submit(None, 'PUT', url)
  
          return self.response(code, xml)
docs: Associates an IPv6 to a equipament.
  
          :param id_equip: Identifier of the equipment. Integer value and greater than zero.
          :param id_ipv6: Identifier of the ip. Integer value and greater than zero.
  
          :return: Dictionary with the following structure:
              {'ip_equipamento': {'id': < id_ip_do_equipamento >}}
  
          :raise EquipamentoNaoExisteError: Equipment is not registered.
          :raise IpNaoExisteError: IP not registered.
          :raise IpError: IP is already associated with the equipment.
          :raise InvalidParameterError:  Identifier of the equipment and/or IP is null or invalid.
          :raise DataBaseError: Networkapi failed to access the database.
          :raise XMLError: Networkapi failed to generate the XML response.