aboutsummaryrefslogtreecommitdiffstats
path: root/releasenotes/notes/install-openstack-selinux-d14b2e26feb6d04e.yaml
diff options
context:
space:
mode:
Diffstat (limited to 'releasenotes/notes/install-openstack-selinux-d14b2e26feb6d04e.yaml')
0 files changed, 0 insertions, 0 deletions
02'>102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 
# Copyright (c) 2016-2019 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import ipaddress
import logging
import re
import collections

import IxNetwork

from yardstick.common import exceptions
from yardstick.common import utils
from yardstick.network_services.traffic_profile import base as tp_base


log = logging.getLogger(__name__)

IP_VERSION_4 = 4
IP_VERSION_6 = 6

PROTO_ETHERNET = 'ethernet'
PROTO_IPV4 = 'ipv4'
PROTO_IPV6 = 'ipv6'
PROTO_UDP = 'udp'
PROTO_TCP = 'tcp'
PROTO_VLAN = 'vlan'

SINGLE_VALUE = "singleValue"

S_VLAN = 0
C_VLAN = 1

ETHER_TYPE_802_1ad = '0x88a8'

TRAFFIC_STATUS_STARTED = 'started'
TRAFFIC_STATUS_STOPPED = 'stopped'

PROTOCOL_STATUS_UP = 'up'
PROTOCOL_STATUS_DOWN = ['down', 'notStarted']

SUPPORTED_PROTO = [PROTO_UDP]

SUPPORTED_DSCP_CLASSES = [
    'defaultPHB',
    'classSelectorPHB',
    'assuredForwardingPHB',
    'expeditedForwardingPHB']

SUPPORTED_TOS_FIELDS = [
    'precedence',
    'delay',
    'throughput',
    'reliability'
]

IP_PRIORITY_PATTERN = r'[^\w+]*.+(Raw priority|' \
                      'Precedence|' \
                      'Default PHB|' \
                      'Class selector PHB|' \
                      'Assured forwarding selector PHB|' \
                      'Expedited forwarding PHB)'


class Vlan(object):
    def __init__(self,
                 vlan_id, vlan_id_step=None, vlan_id_direction='increment',
                 prio=None, prio_step=None, prio_direction='increment',
                 tp_id=None):
        self.vlan_id = vlan_id
        self.vlan_id_step = vlan_id_step
        self.vlan_id_direction = vlan_id_direction
        self.prio = prio
        self.prio_step = prio_step
        self.prio_direction = prio_direction
        self.tp_id = tp_id


# NOTE(ralonsoh): this pragma will be removed in the last patch of this series
class IxNextgen(object):  # pragma: no cover

    PORT_STATS_NAME_MAP = {
        "stat_name": 'Stat Name',
        "port_name": 'Port Name',
        "Frames_Tx": 'Frames Tx.',
        "Valid_Frames_Rx": 'Valid Frames Rx.',
        "Bytes_Tx": 'Bytes Tx.',
        "Bytes_Rx": 'Bytes Rx.'
    }

    LATENCY_NAME_MAP = {
        "Store-Forward_Avg_latency_ns": 'Store-Forward Avg Latency (ns)',
        "Store-Forward_Min_latency_ns": 'Store-Forward Min Latency (ns)',
        "Store-Forward_Max_latency_ns": 'Store-Forward Max Latency (ns)',
    }

    FLOWS_STATS_NAME_MAP = {
        "Tx_Port": 'Tx Port',
        "VLAN-ID": 'VLAN:VLAN-ID',
        "IP_Priority": re.compile(IP_PRIORITY_PATTERN),
        "Flow_Group": 'Flow Group',
        "Tx_Frames": 'Tx Frames',
        "Rx_Frames": 'Rx Frames',
        "Store-Forward_Avg_latency_ns": 'Store-Forward Avg Latency (ns)',
        "Store-Forward_Min_latency_ns": 'Store-Forward Min Latency (ns)',
        "Store-Forward_Max_latency_ns": 'Store-Forward Max Latency (ns)'
    }

    PPPOX_CLIENT_PER_PORT_NAME_MAP = {
        'subs_port': 'Port',
        'Sessions_Up': 'Sessions Up',
        'Sessions_Down': 'Sessions Down',
        'Sessions_Not_Started': 'Sessions Not Started',
        'Sessions_Total': 'Sessions Total'
    }

    PORT_STATISTICS = '::ixNet::OBJ-/statistics/view:"Port Statistics"'
    FLOW_STATISTICS = '::ixNet::OBJ-/statistics/view:"Flow Statistics"'
    PPPOX_CLIENT_PER_PORT = '::ixNet::OBJ-/statistics/view:"PPPoX Client Per Port"'

    PPPOE_SCENARIO_STATS = {
        'port_statistics': PORT_STATISTICS,
        'flow_statistic': FLOW_STATISTICS,
        'pppox_client_per_port': PPPOX_CLIENT_PER_PORT
    }

    PPPOE_SCENARIO_STATS_MAP = {
        'port_statistics': PORT_STATS_NAME_MAP,
        'flow_statistic': FLOWS_STATS_NAME_MAP,
        'pppox_client_per_port': PPPOX_CLIENT_PER_PORT_NAME_MAP
    }

    @staticmethod
    def get_config(tg_cfg):
        card = []
        port = []
        external_interface = tg_cfg["vdu"][0]["external-interface"]
        for intf in external_interface:
            card_port0 = intf["virtual-interface"]["vpci"]
            card0, port0 = card_port0.split(':')[:2]
            card.append(card0)
            port.append(port0)

        cfg = {
            'machine': tg_cfg["mgmt-interface"]["ip"],
            'port': tg_cfg["mgmt-interface"]["tg-config"]["tcl_port"],
            'chassis': tg_cfg["mgmt-interface"]["tg-config"]["ixchassis"],
            'cards': card,
            'ports': port,
            'output_dir': tg_cfg["mgmt-interface"]["tg-config"]["dut_result_dir"],
            'version': tg_cfg["mgmt-interface"]["tg-config"]["version"],
            'bidir': True,
        }

        return cfg

    def __init__(self):  # pragma: no cover
        self._ixnet = None
        self._cfg = None
        self._params = None
        self._bidir = None

    @property
    def ixnet(self):  # pragma: no cover
        if self._ixnet:
            return self._ixnet
        raise exceptions.IxNetworkClientNotConnected()

    def get_vports(self):
        """Return the list of assigned ports (vport objects)"""
        vports = self.ixnet.getList(self.ixnet.getRoot(), 'vport')
        return vports

    def get_static_interface(self, vport):
        return self.ixnet.getList(vport, 'interface')

    def _get_config_element_by_flow_group_name(self, flow_group_name):
        """Get a config element using the flow group name

        Each named flow group contains one config element (by configuration).
        According to the documentation, "configElements" is a list and "each
        item in this list is aligned to the sequential order of your endpoint
        list".

        :param flow_group_name: (str) flow group name; this parameter is
                                always a number (converted to string) starting
                                from "1".
        :return: (str) config element reference ID or None.
        """
        traffic_item = self.ixnet.getList(self.ixnet.getRoot() + '/traffic',
                                          'trafficItem')[0]
        flow_groups = self.ixnet.getList(traffic_item, 'endpointSet')
        for flow_group in flow_groups:
            if (str(self.ixnet.getAttribute(flow_group, '-name')) ==
                    flow_group_name):
                return traffic_item + '/configElement:' + flow_group_name

    def _get_stack_item(self, flow_group_name, protocol_name):
        """Return the stack item given the flow group name and the proto name

        :param flow_group_name: (str) flow group name
        :param protocol_name: (str) protocol name, referred to PROTO_*
                              constants
        :return: list of stack item descriptors
        """
        celement = self._get_config_element_by_flow_group_name(flow_group_name)
        if not celement:
            raise exceptions.IxNetworkFlowNotPresent(
                flow_group=flow_group_name)
        stack_items = self.ixnet.getList(celement, 'stack')
        return [s_i for s_i in stack_items if protocol_name in s_i]

    def _get_field_in_stack_item(self, stack_item, field_name):
        """Return the field in a stack item given the name

        :param stack_item: (str) stack item descriptor
        :param field_name: (str) field name
        :return: (str) field descriptor
        """
        fields = self.ixnet.getList(stack_item, 'field')
        for field in (field for field in fields if field_name in field):
            return field
        raise exceptions.IxNetworkFieldNotPresentInStackItem(
            field_name=field_name, stack_item=stack_item)

    def _get_traffic_state(self):
        """Get traffic state"""
        return self.ixnet.getAttribute(self.ixnet.getRoot() + 'traffic',
                                       '-state')

    def _get_protocol_status(self, proto):
        """Get protocol status

        :param proto: IxNet protocol str representation, e.g.:
        '::ixNet::OBJ-/topology:2/deviceGroup:1/ethernet:1/ipv4:L14'
        :return: (list) protocol status: list of sessions protocol
        statuses which include states 'up', 'down' and 'notStarted'
        """
        return self.ixnet.getAttribute(proto, '-sessionStatus')

    def get_topology_device_groups(self, topology):
        """Get list of device groups in topology

        :param topology: (str) topology descriptor
        :return: (list) list of device groups descriptors
        """
        return self.ixnet.getList(topology, 'deviceGroup')

    def is_traffic_running(self):
        """Returns true if traffic state == TRAFFIC_STATUS_STARTED"""
        return self._get_traffic_state() == TRAFFIC_STATUS_STARTED

    def is_traffic_stopped(self):
        """Returns true if traffic state == TRAFFIC_STATUS_STOPPED"""
        return self._get_traffic_state() == TRAFFIC_STATUS_STOPPED

    def is_protocols_running(self, protocols):
        """Returns true if all protocols statuses are PROTOCOL_STATUS_UP

        :param protocols: list of protocols str representations, e.g.:
        ['::ixNet::OBJ-/topology:2/deviceGroup:1/ethernet:1/ipv4:L14', ...]
        :return: (bool) True if all protocols status is 'up', False if any
        protocol status is 'down' or 'notStarted'
        """
        return all(session_status is PROTOCOL_STATUS_UP for proto in protocols
                   for session_status in self._get_protocol_status(proto))

    def is_protocols_stopped(self, protocols):
        """Returns true if all protocols statuses are in PROTOCOL_STATUS_DOWN

        :param protocols: list of protocols str representations, e.g.:
        ['::ixNet::OBJ-/topology:2/deviceGroup:1/ethernet:1/ipv4:L14', ...]
        :return: (bool) True if all protocols status is 'down' or 'notStarted',
        False if any protocol status is 'up'
        """
        return all(session_status in PROTOCOL_STATUS_DOWN for proto in protocols
                   for session_status in self._get_protocol_status(proto))

    @staticmethod
    def _parse_framesize(framesize):
        """Parse "framesize" config param. to return a list of weighted pairs

        :param framesize: dictionary of frame sizes and weights
        :return: list of paired frame sizes and weights
        """
        weighted_range_pairs = []
        for size, weight in ((s, w) for (s, w) in framesize.items()
                             if int(w) != 0):
            size = int(size.upper().replace('B', ''))
            weighted_range_pairs.append([size, size, int(weight)])
        return weighted_range_pairs

    def iter_over_get_lists(self, x1, x2, y2, offset=0):
        for x in self.ixnet.getList(x1, x2):
            y_list = self.ixnet.getList(x, y2)
            for i, y in enumerate(y_list, offset):
                yield x, y, i

    def connect(self, tg_cfg):
        self._cfg = self.get_config(tg_cfg)
        self._ixnet = IxNetwork.IxNet()

        machine = self._cfg['machine']
        port = str(self._cfg['port'])
        version = str(self._cfg['version'])
        return self.ixnet.connect(machine, '-port', port,
                                  '-version', version)

    def clear_config(self):
        """Wipe out any possible configuration present in the client"""
        self.ixnet.execute('newConfig')

    def assign_ports(self):
        """Create and assign vports for each physical port defined in config

        This configuration is present in the IXIA profile file. E.g.:
            name: trafficgen_1
            role: IxNet
            interfaces:
                xe0:
                    vpci: "2:15" # Card:port
                    driver: "none"
                    dpdk_port_num: 0
                    local_ip: "152.16.100.20"
                    netmask: "255.255.0.0"
                    local_mac: "00:98:10:64:14:00"
                xe1:
                    ...
        """
        chassis_ip = self._cfg['chassis']
        ports = [(chassis_ip, card, port) for card, port in
                 zip(self._cfg['cards'], self._cfg['ports'])]

        log.info('Create and assign vports: %s', ports)

        vports = []
        for _ in ports:
            vports.append(self.ixnet.add(self.ixnet.getRoot(), 'vport'))
            self.ixnet.commit()

        self.ixnet.execute('assignPorts', ports, [], vports, True)
        self.ixnet.commit()

        for vport in vports:
            if self.ixnet.getAttribute(vport, '-state') != 'up':
                log.warning('Port %s is down', vport)

    def _create_traffic_item(self, traffic_type='raw'):
        """Create the traffic item to hold the flow groups

        The traffic item tracking by "Traffic Item" is enabled to retrieve the
        latency statistics.
        """
        log.info('Create the traffic item "RFC2544"')
        traffic_item = self.ixnet.add(self.ixnet.getRoot() + '/traffic',
                                      'trafficItem')
        self.ixnet.setMultiAttribute(traffic_item, '-name', 'RFC2544',
                                     '-trafficType', traffic_type)
        self.ixnet.commit()

        traffic_item_id = self.ixnet.remapIds(traffic_item)[0]
        self.ixnet.setAttribute(traffic_item_id + '/tracking',
                                '-trackBy', 'trafficGroupId0')
        self.ixnet.commit()

    def _create_flow_groups(self, uplink, downlink):
        """Create the flow groups between the endpoints"""
        traffic_item_id = self.ixnet.getList(self.ixnet.getRoot() + 'traffic',
                                             'trafficItem')[0]
        log.info('Create the flow groups')

        index = 0
        for up, down in zip(uplink, downlink):
            log.info('FGs: %s <--> %s', up, down)
            endpoint_set_1 = self.ixnet.add(traffic_item_id, 'endpointSet')
            endpoint_set_2 = self.ixnet.add(traffic_item_id, 'endpointSet')
            self.ixnet.setMultiAttribute(
                endpoint_set_1, '-name', str(index + 1),
                '-sources', [up],
                '-destinations', [down])
            self.ixnet.setMultiAttribute(
                endpoint_set_2, '-name', str(index + 2),
                '-sources', [down],
                '-destinations', [up])
            self.ixnet.commit()
            index += 2

    def _append_procotol_to_stack(self, protocol_name, previous_element):
        """Append a new element in the packet definition stack"""
        protocol = (self.ixnet.getRoot() +
                    '/traffic/protocolTemplate:"{}"'.format(protocol_name))
        self.ixnet.execute('append', previous_element, protocol)

    def is_qinq(self, flow_data):
        for traffic_type in flow_data:
            if flow_data[traffic_type]['outer_l2'].get('QinQ'):
                return True
        return False

    def _flows_settings(self, cfg):
        flows_data = []
        res = [key for key in cfg.keys() if key.split('_')[0] in ['uplink', 'downlink']]
        for i in range(len(res)):
            uplink = 'uplink_{}'.format(i)
            downlink = 'downlink_{}'.format(i)
            if uplink in res:
                flows_data.append(cfg[uplink])
            if downlink in res:
                flows_data.append(cfg[downlink])
        return flows_data

    def _setup_config_elements(self, traffic_profile, add_default_proto=True):
        """Setup the config elements

        The traffic item is configured to allow individual configurations per
        config element. The default frame configuration is applied:
            Ethernet II: added by default
            IPv4: element to add
            UDP: element to add
            Payload: added by default
            Ethernet II (Trailer): added by default
        :return:
        """
        traffic_item_id = self.ixnet.getList(self.ixnet.getRoot() + 'traffic',
                                             'trafficItem')[0]
        log.info('Split the frame rate distribution per config element')
        config_elements = self.ixnet.getList(traffic_item_id, 'configElement')
        flows = self._flows_settings(traffic_profile.params)
        # TODO: check length of both lists, it should be equal!!!
        for config_element, flow_data in zip(config_elements, flows):
            self.ixnet.setAttribute(config_element + '/frameRateDistribution',
                                    '-portDistribution', 'splitRateEvenly')
            self.ixnet.setAttribute(config_element + '/frameRateDistribution',
                                    '-streamDistribution', 'splitRateEvenly')
            self.ixnet.commit()
            if add_default_proto:
                self._append_procotol_to_stack(
                    PROTO_UDP, config_element + '/stack:"ethernet-1"')
                self._append_procotol_to_stack(
                    PROTO_IPV4, config_element + '/stack:"ethernet-1"')
            if self.is_qinq(flow_data):
                self._append_procotol_to_stack(
                    PROTO_VLAN, config_element + '/stack:"ethernet-1"')
                self._append_procotol_to_stack(
                    PROTO_VLAN, config_element + '/stack:"ethernet-1"')

    def create_traffic_model(self, uplink_ports, downlink_ports, traffic_profile):
        """Create a traffic item and the needed flow groups

        Each flow group inside the traffic item (only one is present)
        represents the traffic between two ports:
                        (uplink)    (downlink)
            FlowGroup1: port1    -> port2
            FlowGroup2: port1    <- port2
            FlowGroup3: port3    -> port4
            FlowGroup4: port3    <- port4
        """
        self._create_traffic_item('raw')
        uplink_endpoints = [port + '/protocols' for port in uplink_ports]
        downlink_endpoints = [port + '/protocols' for port in downlink_ports]
        self._create_flow_groups(uplink_endpoints, downlink_endpoints)
        self._setup_config_elements(traffic_profile=traffic_profile)

    def create_ipv4_traffic_model(self, uplink_endpoints, downlink_endpoints,
                                  traffic_profile):
        """Create a traffic item and the needed flow groups

        Each flow group inside the traffic item (only one is present)
        represents the traffic between two topologies:
                        (uplink)    (downlink)
            FlowGroup1: uplink1    -> downlink1
            FlowGroup2: uplink1    <- downlink1
            FlowGroup3: uplink2    -> downlink2
            FlowGroup4: uplink2    <- downlink2
        """
        self._create_traffic_item('ipv4')
        self._create_flow_groups(uplink_endpoints, downlink_endpoints)
        self._setup_config_elements(traffic_profile=traffic_profile,
                                    add_default_proto=False)

    def _update_frame_mac(self, ethernet_descriptor, field, mac_address):
        """Set the MAC address in a config element stack Ethernet field

        :param ethernet_descriptor: (str) ethernet descriptor, e.g.:
            /traffic/trafficItem:1/configElement:1/stack:"ethernet-1"
        :param field: (str) field name, e.g.: destinationAddress
        :param mac_address: (str) MAC address
        """
        field_descriptor = self._get_field_in_stack_item(ethernet_descriptor,
                                                         field)
        self.ixnet.setMultiAttribute(field_descriptor,
                                     '-singleValue', mac_address,
                                     '-fieldValue', mac_address,
                                     '-valueType', 'singleValue')
        self.ixnet.commit()

    def update_frame(self, traffic, duration):
        """Update the L2 frame

        This function updates the L2 frame options:
        - Traffic type: "continuous", "fixedDuration".
        - Duration: in case of traffic_type="fixedDuration", amount of seconds
                    to inject traffic.
        - Rate: in frames per seconds or percentage.
        - Type of rate: "framesPerSecond" or "percentLineRate" ("bitsPerSecond"
                         no used)
        - Frame size: custom IMIX [1] definition; a list of packet size in
                      bytes and the weight. E.g.:
                      [[64, 64, 10], [128, 128, 15], [512, 512, 5]]

        [1] https://en.wikipedia.org/wiki/Internet_Mix

        :param traffic: list of traffic elements; each traffic element contains
                        the injection parameter for each flow group.
        :param duration: (int) injection time in seconds.
        """
        for traffic_param in traffic.values():
            fg_id = str(traffic_param['id'])
            config_element = self._get_config_element_by_flow_group_name(fg_id)
            if not config_element:
                raise exceptions.IxNetworkFlowNotPresent(flow_group=fg_id)

            type = traffic_param.get('traffic_type', 'fixedDuration')
            rate_unit = (
                'framesPerSecond' if traffic_param['rate_unit'] ==
                tp_base.TrafficProfileConfig.RATE_FPS else 'percentLineRate')
            weighted_range_pairs = self._parse_framesize(
                traffic_param['outer_l2'].get('framesize', {}))
            srcmac = str(traffic_param['outer_l2'].get('srcmac', '00:00:00:00:00:01'))
            dstmac = str(traffic_param['outer_l2'].get('dstmac', '00:00:00:00:00:02'))

            if traffic_param['outer_l2'].get('QinQ'):
                s_vlan = traffic_param['outer_l2']['QinQ']['S-VLAN']
                c_vlan = traffic_param['outer_l2']['QinQ']['C-VLAN']

                field_descriptor = self._get_field_in_stack_item(
                    self._get_stack_item(fg_id, PROTO_ETHERNET)[0],
                    'etherType')

                self.ixnet.setMultiAttribute(field_descriptor,
                                             '-auto', 'false',
                                             '-singleValue', ETHER_TYPE_802_1ad,
                                             '-fieldValue', ETHER_TYPE_802_1ad,
                                             '-valueType', SINGLE_VALUE)

                self._update_vlan_tag(fg_id, s_vlan, S_VLAN)
                self._update_vlan_tag(fg_id, c_vlan, C_VLAN)

            self.ixnet.setMultiAttribute(
                config_element + '/transmissionControl',
                '-type', type, '-duration', duration)

            self.ixnet.setMultiAttribute(
                config_element + '/frameRate',
                '-rate', traffic_param['rate'], '-type', rate_unit)

            if len(weighted_range_pairs):
                self.ixnet.setMultiAttribute(
                    config_element + '/frameSize',
                    '-type', 'weightedPairs',
                    '-weightedRangePairs', weighted_range_pairs)

            self.ixnet.commit()

            if dstmac:
                self._update_frame_mac(
                    self._get_stack_item(fg_id, PROTO_ETHERNET)[0],
                    'destinationAddress', dstmac)
            if srcmac:
                self._update_frame_mac(
                    self._get_stack_item(fg_id, PROTO_ETHERNET)[0],
                    'sourceAddress', srcmac)

    def _update_vlan_tag(self, fg_id, params, vlan=0):
        field_to_param_map = {
            'vlanUserPriority': 'priority',
            'cfi': 'cfi',
            'vlanID': 'id'
        }
        for field, param in field_to_param_map.items():
            value = params.get(param)
            if value:
                field_descriptor = self._get_field_in_stack_item(
                    self._get_stack_item(fg_id, PROTO_VLAN)[vlan],
                    field)

                self.ixnet.setMultiAttribute(field_descriptor,
                                             '-auto', 'false',
                                             '-singleValue', value,
                                             '-fieldValue', value,
                                             '-valueType', SINGLE_VALUE)

        self.ixnet.commit()

    def _update_ipv4_address(self, ip_descriptor, field, ip_address, seed,
                             mask, count):
        """Set the IPv4 address in a config element stack IP field

        :param ip_descriptor: (str) IP descriptor, e.g.:
            /traffic/trafficItem:1/configElement:1/stack:"ipv4-2"
        :param field: (str) field name, e.g.: scrIp, dstIp
        :param ip_address: (str) IP address
        :param seed: (int) seed length
        :param mask: (int) IP address mask length
        :param count: (int) number of random IPs to generate
        """
        field_descriptor = self._get_field_in_stack_item(ip_descriptor,
                                                         field)
        random_mask = str(ipaddress.IPv4Address(
            2**(ipaddress.IPV4LENGTH - mask) - 1).compressed)
        self.ixnet.setMultiAttribute(field_descriptor,
                                     '-seed', seed,
                                     '-fixedBits', ip_address,
                                     '-randomMask', random_mask,
                                     '-valueType', 'random',
                                     '-countValue', count)
        self.ixnet.commit()

    def update_ip_packet(self, traffic):
        """Update the IP packet

        NOTE: Only IPv4 is currently supported.
        :param traffic: list of traffic elements; each traffic element contains
                        the injection parameter for each flow group.
        """
        # NOTE(ralonsoh): L4 configuration is not set.
        for traffic_param in traffic.values():
            fg_id = str(traffic_param['id'])
            if not self._get_config_element_by_flow_group_name(fg_id):
                raise exceptions.IxNetworkFlowNotPresent(flow_group=fg_id)

            if traffic_param['outer_l3']:
                count = traffic_param['outer_l3']['count']
                srcip = traffic_param['outer_l3']['srcip']
                dstip = traffic_param['outer_l3']['dstip']
                srcseed = traffic_param['outer_l3']['srcseed']
                dstseed = traffic_param['outer_l3']['dstseed']
                srcmask = traffic_param['outer_l3']['srcmask'] \
                          or ipaddress.IPV4LENGTH
                dstmask = traffic_param['outer_l3']['dstmask'] \
                          or ipaddress.IPV4LENGTH
                priority = traffic_param['outer_l3']['priority']

                if srcip:
                    self._update_ipv4_address(
                        self._get_stack_item(fg_id, PROTO_IPV4)[0],
                        'srcIp', str(srcip), srcseed, srcmask, count)
                if dstip:
                    self._update_ipv4_address(
                        self._get_stack_item(fg_id, PROTO_IPV4)[0],
                        'dstIp', str(dstip), dstseed, dstmask, count)
                if priority:
                    self._update_ipv4_priority(
                        self._get_stack_item(fg_id, PROTO_IPV4)[0], priority)

    def _update_ipv4_priority(self, ip_descriptor, priority):
        """Set the IPv4 priority in a config element stack IP field

        :param ip_descriptor: (str) IP descriptor, e.g.:
        /traffic/trafficItem:1/configElement:1/stack:"ipv4-2"
        :param priority: (dict) priority configuration from traffic profile, e.g.:
        {'tos':
            'precedence': [1, 4, 7]
            }
         """
        if priority.get('raw'):
            priority_field = self._get_field_in_stack_item(ip_descriptor,
                                                           'priority.raw')
            self._set_priority_field(priority_field, priority['raw'])

        elif priority.get('dscp'):
            for field, value in priority['dscp'].items():
                if field in SUPPORTED_DSCP_CLASSES:
                    priority_field = self._get_field_in_stack_item(
                        ip_descriptor,
                        'priority.ds.phb.{field}.{field}'.format(field=field))
                    self._set_priority_field(priority_field, value)

        elif priority.get('tos'):
            for field, value in priority['tos'].items():
                if field in SUPPORTED_TOS_FIELDS:
                    priority_field = self._get_field_in_stack_item(
                        ip_descriptor, 'priority.tos.' + field)
                    self._set_priority_field(priority_field, value)

    def _set_priority_field(self, field_descriptor, value):
        """Set the priority field described by field_descriptor

        :param field_descriptor: (str) field descriptor, e.g.:
        /traffic/trafficItem:1/configElement:1/stack:"ipv4-2"/ \
        field:"ipv4.header.priority.raw-3
        :param value: (list, int) list of integers or single integer value
        """
        if isinstance(value, list):
            self.ixnet.setMultiAttribute(field_descriptor,
                                         '-valueList', value,
                                         '-activeFieldChoice', 'true',
                                         '-valueType', 'valueList')
        else:
            self.ixnet.setMultiAttribute(field_descriptor,
                                         '-activeFieldChoice', 'true',
                                         '-singleValue', str(value))
        self.ixnet.commit()

    def update_l4(self, traffic):
        """Update the L4 headers

        NOTE: Only UDP is currently supported
        :param traffic: list of traffic elements; each traffic element contains
                        the injection parameter for each flow group
        """
        for traffic_param in traffic.values():
            fg_id = str(traffic_param['id'])
            if not self._get_config_element_by_flow_group_name(fg_id):
                raise exceptions.IxNetworkFlowNotPresent(flow_group=fg_id)

            proto = traffic_param['outer_l3'].get('proto')
            if not (proto and traffic_param['outer_l4']):
                continue

            if proto not in SUPPORTED_PROTO:
                raise exceptions.IXIAUnsupportedProtocol(protocol=proto)

            count = traffic_param['outer_l4']['count']
            seed = traffic_param['outer_l4']['seed']

            srcport = traffic_param['outer_l4']['srcport']
            srcmask = traffic_param['outer_l4']['srcportmask']

            dstport = traffic_param['outer_l4']['dstport']
            dstmask = traffic_param['outer_l4']['dstportmask']

            if proto == PROTO_UDP:
                if srcport:
                    self._update_udp_port(
                        self._get_stack_item(fg_id, proto)[0],
                        'srcPort', srcport, seed, srcmask, count)
                if dstport:
                    self._update_udp_port(
                        self._get_stack_item(fg_id, proto)[0],
                        'dstPort', dstport, seed, dstmask, count)

    def _update_udp_port(self, descriptor, field, value,
                         seed=1, mask=0, count=1):
        """Set the UDP port in a config element stack UDP field

        :param udp_descriptor: (str) UDP descriptor, e.g.:
            /traffic/trafficItem:1/configElement:1/stack:"udp-3"
        :param field: (str) field name, e.g.: scrPort, dstPort
        :param value: (int) UDP port fixed bits
        :param seed: (int) seed length
        :param mask: (int) UDP port mask
        :param count: (int) number of random ports to generate
        """
        field_descriptor = self._get_field_in_stack_item(descriptor, field)

        if mask == 0:
            seed = count = 1

        self.ixnet.setMultiAttribute(field_descriptor,
                                     '-auto', 'false',
                                     '-seed', seed,
                                     '-fixedBits', value,
                                     '-randomMask', mask,
                                     '-valueType', 'random',
                                     '-countValue', count)

        self.ixnet.commit()

    def _build_stats_map(self, view_obj, name_map):
        return {data_yardstick: self.ixnet.execute(
            'getColumnValues', view_obj, data_ixia)
            for data_yardstick, data_ixia in name_map.items()}

    def _get_view_page_stats(self, view_obj):
        """Get full view page stats

        :param view_obj: view object, e.g.
        '::ixNet::OBJ-/statistics/view:"Port Statistics"'
        :return: (list) List of dicts. Each dict represents view page row
        """
        view = view_obj + '/page'
        column_headers = self.ixnet.getAttribute(view, '-columnCaptions')
        view_rows = self.ixnet.getAttribute(view, '-rowValues')
        view_page = [dict(zip(column_headers, row[0])) for row in view_rows]
        return view_page

    def _set_egress_flow_tracking(self, encapsulation, offset):
        """Set egress flow tracking options

        :param encapsulation: encapsulation type
        :type encapsulation: str, e.g. 'Ethernet'
        :param offset: offset type
        :type offset: str, e.g. 'IPv4 TOS Precedence (3 bits)'
        """
        traffic_item = self.ixnet.getList(self.ixnet.getRoot() + '/traffic',
                                          'trafficItem')[0]
        # Enable Egress Tracking
        self.ixnet.setAttribute(traffic_item, '-egressEnabled', True)
        self.ixnet.commit()

        # Set encapsulation type
        enc_obj = self.ixnet.getList(traffic_item, 'egressTracking')[0]
        self.ixnet.setAttribute(enc_obj, '-encapsulation', encapsulation)

        # Set offset
        self.ixnet.setAttribute(enc_obj, '-offset', offset)
        self.ixnet.commit()

    def set_flow_tracking(self, track_by):
        """Set flow tracking options

        :param track_by: list of tracking fields
        :type track_by: list, e.g. ['vlanVlanId0','ipv4Precedence0']
        """
        traffic_item = self.ixnet.getList(self.ixnet.getRoot() + '/traffic',
                                          'trafficItem')[0]
        self.ixnet.setAttribute(traffic_item + '/tracking', '-trackBy', track_by)
        self.ixnet.commit()

    def get_statistics(self):
        """Retrieve port and flow statistics

        "Port Statistics" parameters are stored in self.PORT_STATS_NAME_MAP.
        "Flow Statistics" parameters are stored in self.LATENCY_NAME_MAP.

        :return: dictionary with the statistics; the keys of this dictionary
                 are PORT_STATS_NAME_MAP and LATENCY_NAME_MAP keys.
        """
        stats = self._build_stats_map(self.PORT_STATISTICS,
                                      self.PORT_STATS_NAME_MAP)
        stats.update(self._build_stats_map(self.FLOW_STATISTICS,
                                           self.LATENCY_NAME_MAP))
        return stats

    def get_pppoe_scenario_statistics(self):
        """Retrieve port, flow and PPPoE subscribers statistics"""
        stats = collections.defaultdict(list)
        result = collections.defaultdict(list)
        for stat, view in self.PPPOE_SCENARIO_STATS.items():
            # Get view total pages number
            total_pages = self.ixnet.getAttribute(
                view + '/page', '-totalPages')
            # Collect stats from all view pages
            for page in range(1, int(total_pages) + 1):
                current_page = int(self.ixnet.getAttribute(
                    view + '/page', '-currentPage'))
                if page != int(current_page):
                    self.ixnet.setAttribute(view + '/page', '-currentPage',
                                            str(page))
                    self.ixnet.commit()
                page_data = self._get_view_page_stats(view)
                stats[stat].extend(page_data)
        # Filter collected views stats
        for stat in stats:
            for view_row in stats[stat]:
                filtered_row = {}
                for key, value in self.PPPOE_SCENARIO_STATS_MAP[stat].items():
                    if isinstance(value, str):
                        filtered_row.update({key: view_row[value]})
                    # Handle keys which values are represented by regex
                    else:
                        for k in view_row.keys():
                            if value.match(k):
                                value = value.match(k).group()
                                filtered_row.update({key: view_row[value]})
                                break
                result[stat].append(filtered_row)
        return result

    def start_protocols(self):
        self.ixnet.execute('startAllProtocols')

    def stop_protocols(self):
        self.ixnet.execute('stopAllProtocols')

    def start_traffic(self):
        """Start the traffic injection in the traffic item

        By configuration, there is only one traffic item. This function returns
        when the traffic state is TRAFFIC_STATUS_STARTED.
        """
        traffic_items = self.ixnet.getList('/traffic', 'trafficItem')
        if self.is_traffic_running():
            self.ixnet.execute('stop', '/traffic')
            # pylint: disable=unnecessary-lambda
            utils.wait_until_true(lambda: self.is_traffic_stopped())

        self.ixnet.execute('generate', traffic_items)
        self.ixnet.execute('apply', '/traffic')
        self.ixnet.execute('start', '/traffic')
        # pylint: disable=unnecessary-lambda
        utils.wait_until_true(lambda: self.is_traffic_running())

    def add_topology(self, name, vports):
        log.debug("add_topology: name='%s' ports='%s'", name, vports)
        obj = self.ixnet.add(self.ixnet.getRoot(), 'topology')
        self.ixnet.setMultiAttribute(obj, '-name', name, '-vports', vports)
        self.ixnet.commit()
        return obj

    def add_device_group(self, topology, name, multiplier):
        log.debug("add_device_group: tpl='%s', name='%s', multiplier='%s'",
                  topology, name, multiplier)

        obj = self.ixnet.add(topology, 'deviceGroup')
        self.ixnet.setMultiAttribute(obj, '-name', name, '-multiplier',
                                     multiplier)
        self.ixnet.commit()
        return obj

    def add_ethernet(self, dev_group, name):
        log.debug(
            "add_ethernet: device_group='%s' name='%s'", dev_group, name)
        obj = self.ixnet.add(dev_group, 'ethernet')
        self.ixnet.setMultiAttribute(obj, '-name', name)
        self.ixnet.commit()
        return obj

    def _create_vlans(self, ethernet, count):
        self.ixnet.setMultiAttribute(ethernet, '-useVlans', 'true')
        self.ixnet.setMultiAttribute(ethernet, '-vlanCount', count)
        self.ixnet.commit()

    def _configure_vlans(self, ethernet, vlans):
        vlans_obj = self.ixnet.getList(ethernet, 'vlan')
        for i, vlan_obj in enumerate(vlans_obj):
            if vlans[i].vlan_id_step is not None:
                vlan_id_obj = self.ixnet.getAttribute(vlan_obj, '-vlanId')
                self.ixnet.setMultiAttribute(vlan_id_obj, '-clearOverlays',
                                             'true', '-pattern', 'counter')
                vlan_id_counter = self.ixnet.add(vlan_id_obj, 'counter')
                self.ixnet.setMultiAttribute(vlan_id_counter, '-start',
                                             vlans[i].vlan_id, '-step',
                                             vlans[i].vlan_id_step,
                                             '-direction',
                                             vlans[i].vlan_id_direction)
            else:
                vlan_id_obj = self.ixnet.getAttribute(vlan_obj, '-vlanId')
                self.ixnet.setMultiAttribute(vlan_id_obj + '/singleValue',
                                             '-value', vlans[i].vlan_id)

            if vlans[i].prio_step is not None:
                prio_obj = self.ixnet.getAttribute(vlan_obj, '-priority')
                self.ixnet.setMultiAttribute(prio_obj, '-clearOverlays', 'true',
                                             '-pattern', 'counter')
                prio_counter = self.ixnet.add(prio_obj, 'counter')
                self.ixnet.setMultiAttribute(prio_counter,
                                        '-start', vlans[i].prio,
                                        '-step', vlans[i].prio_step,
                                        '-direction', vlans[i].prio_direction)
            elif vlans[i].prio is not None:
                prio_obj = self.ixnet.getAttribute(vlan_obj, '-priority')
                self.ixnet.setMultiAttribute(prio_obj + '/singleValue',
                                             '-value', vlans[i].prio)

            if vlans[i].tp_id is not None:
                tp_id_obj = self.ixnet.getAttribute(vlan_obj, '-tpid')
                self.ixnet.setMultiAttribute(tp_id_obj + '/singleValue',
                                             '-value', vlans[i].tp_id)

        self.ixnet.commit()

    def add_vlans(self, ethernet, vlans):
        log.debug("add_vlans: ethernet='%s'", ethernet)

        if vlans is None or len(vlans) == 0:
            raise RuntimeError(
                "Invalid 'vlans' argument. Expected list of Vlan instances.")

        self._create_vlans(ethernet, len(vlans))
        self._configure_vlans(ethernet, vlans)

    def add_ipv4(self, ethernet, name='',
                 addr=None, addr_step=None, addr_direction='increment',
                 prefix=None, prefix_step=None, prefix_direction='increment',
                 gateway=None, gw_step=None, gw_direction='increment'):
        log.debug("add_ipv4: ethernet='%s' name='%s'", ethernet, name)
        obj = self.ixnet.add(ethernet, 'ipv4')
        if name != '':
            self.ixnet.setAttribute(obj, '-name', name)
            self.ixnet.commit()

        if addr_step is not None:
            # handle counter pattern
            _address = self.ixnet.getAttribute(obj, '-address')
            self.ixnet.setMultiAttribute(_address, '-clearOverlays', 'true',
                                         '-pattern', 'counter')

            address_counter = self.ixnet.add(_address, 'counter')
            self.ixnet.setMultiAttribute(address_counter,
                                         '-start', addr,
                                         '-step', addr_step,
                                         '-direction', addr_direction)
        elif addr is not None:
            # handle single value
            _address = self.ixnet.getAttribute(obj, '-address')
            self.ixnet.setMultiAttribute(_address + '/singleValue', '-value',
                                         addr)

        if prefix_step is not None:
            # handle counter pattern
            _prefix = self.ixnet.getAttribute(obj, '-prefix')
            self.ixnet.setMultiAttribute(_prefix, '-clearOverlays', 'true',
                                         '-pattern', 'counter')
            prefix_counter = self.ixnet.add(_prefix, 'counter')
            self.ixnet.setMultiAttribute(prefix_counter,
                                         '-start', prefix,
                                         '-step', prefix_step,
                                         '-direction', prefix_direction)
        elif prefix is not None:
            # handle single value
            _prefix = self.ixnet.getAttribute(obj, '-prefix')
            self.ixnet.setMultiAttribute(_prefix + '/singleValue', '-value',
                                         prefix)

        if gw_step is not None:
            # handle counter pattern
            _gateway = self.ixnet.getAttribute(obj, '-gatewayIp')
            self.ixnet.setMultiAttribute(_gateway, '-clearOverlays', 'true',
                                         '-pattern', 'counter')

            gateway_counter = self.ixnet.add(_gateway, 'counter')
            self.ixnet.setMultiAttribute(gateway_counter,
                                         '-start', gateway,
                                         '-step', gw_step,
                                         '-direction', gw_direction)
        elif gateway is not None:
            # handle single value
            _gateway = self.ixnet.getAttribute(obj, '-gatewayIp')
            self.ixnet.setMultiAttribute(_gateway + '/singleValue', '-value',
                                         gateway)

        self.ixnet.commit()
        return obj

    def add_pppox_client(self, xproto, auth, user, pwd, enable_redial=True):
        log.debug(
            "add_pppox_client: xproto='%s', auth='%s', user='%s', pwd='%s'",
            xproto, auth, user, pwd)
        obj = self.ixnet.add(xproto, 'pppoxclient')
        self.ixnet.commit()

        if auth == 'pap':
            auth_type = self.ixnet.getAttribute(obj, '-authType')
            self.ixnet.setMultiAttribute(auth_type + '/singleValue', '-value',
                                         auth)
            pap_user = self.ixnet.getAttribute(obj, '-papUser')
            self.ixnet.setMultiAttribute(pap_user + '/singleValue', '-value',
                                         user)
            pap_pwd = self.ixnet.getAttribute(obj, '-papPassword')
            self.ixnet.setMultiAttribute(pap_pwd + '/singleValue', '-value',
                                         pwd)
        else:
            raise NotImplementedError()

        if enable_redial:
            redial = self.ixnet.getAttribute(obj, '-enableRedial')
            self.ixnet.setAttribute(redial + '/singleValue', '-value', 'true')

        self.ixnet.commit()
        return obj

    def add_bgp(self, ipv4, dut_ip, local_as, bgp_type=None):
        """Add BGP protocol"""
        log.debug("add_bgp: ipv4='%s', dut_ip='%s', local_as='%s'", ipv4,
                  dut_ip, local_as)
        obj = self.ixnet.add(ipv4, 'bgpIpv4Peer')
        self.ixnet.commit()

        # Set DUT IP address
        dut_ip_addr = self.ixnet.getAttribute(obj, '-dutIp')
        self.ixnet.setAttribute(dut_ip_addr + '/singleValue',
                                '-value', dut_ip)

        # Set local AS number
        local_as_number = self.ixnet.getAttribute(obj, '-localAs2Bytes')
        self.ixnet.setAttribute(local_as_number + '/singleValue',
                                '-value', local_as)

        if bgp_type:
            # Set BGP type. If not specified, default value is using.
            # Default type is "internal"
            bgp_type_field = self.ixnet.getAttribute(obj, '-type')
            self.ixnet.setAttribute(bgp_type_field + '/singleValue',
                                    '-value', bgp_type)
        self.ixnet.commit()
        return obj

    def add_interface(self, vport, ip, mac=None, gateway=None):
        """Add protocol interface to the vport"""
        log.debug("add_interface: mac='%s', ip='%s', gateway='%s'", mac, ip,
                  gateway)
        obj = self.ixnet.add(vport, 'interface')
        self.ixnet.commit()

        if mac is not None:
            self.ixnet.setMultiAttribute(obj + '/ethernet', '-macAddress', mac)

        ipv4 = self.ixnet.add(obj, 'ipv4')
        self.ixnet.setMultiAttribute(ipv4, '-ip', ip)

        if gateway is not None:
            self.ixnet.setMultiAttribute(ipv4, '-gateway', gateway)

        self.ixnet.commit()

        self.ixnet.setMultiAttribute(obj, '-enabled', 'true')
        self.ixnet.commit()

        return obj

    def add_static_ipv4(self, iface, vport, start_ip, count, mask='24'):
        """Add static IP range to the interface"""
        log.debug("add_static_ipv4: start_ip:'%s', count:'%s'",
                  start_ip, count)
        obj = self.ixnet.add(vport + '/protocols/static', 'ip')

        self.ixnet.setMultiAttribute(obj, '-protocolInterface', iface,
                                     '-ipStart', start_ip, '-count', count,
                                     '-mask', mask, '-enabled', 'true')
        self.ixnet.commit()