def test_starg_mroute_p0(request):
    """
    1. Verify (*,G) mroute detail on FRR router after BSM rp installed

    Topology used:
      b1_____
             |
             |
      s1-----f1-----i1-----l1----r1
             |
       ______|
      b2

      b1 - BSR 1
      b2 - BSR 2
      s1 - Source
      f1 - FHR
      i1 - Intermediate Router (also RP)
      r1 - Receiver

    """

    tgen = get_topogen()
    tc_name = request.node.name
    write_test_header(tc_name)

    kill_iperf(tgen)
    clear_ip_mroute(tgen)
    reset_config_on_routers(tgen)
    clear_ip_pim_interface_traffic(tgen, topo)

    # Don"t run this test if we have any failure.
    if tgen.routers_have_failure():
        pytest.skip(tgen.errors)

    reset_config_on_routers(tgen)

    result = pre_config_to_bsm(tgen, topo, tc_name, "b1", "s1", "r1", "f1",
                               "i1", "l1", "packet1")
    assert result is True, "Testcase {} :Failed \n Error {}".format(
        tc_name, result)

    result = pre_config_to_bsm(tgen, topo, tc_name, "b2", "s1", "r1", "f1",
                               "i1", "l1", "packet1")
    assert result is True, "Testcase {} :Failed \n Error {}".format(
        tc_name, result)

    GROUP_ADDRESS = "226.1.1.1"

    # Use scapy to send pre-defined packet from senser to receiver
    result = scapy_send_bsr_raw_packet(tgen, topo, "b1", "f1", "packet1")
    assert result is True, "Testcase {} :Failed \n Error {}".format(
        tc_name, result)

    bsr_ip = topo["routers"]["b1"]["bsm"]["bsr_packets"]["packet1"][
        "bsr"].split("/")[0]
    time.sleep(1)

    result = iperfSendIGMPJoin(tgen, "r1", GROUP_ADDRESS, join_interval=1)
    assert result is True, "Testcase {}:Failed \n Error: {}".format(
        tc_name, result)

    # Verify bsr state in FHR
    result = verify_pim_bsr(tgen, topo, "f1", bsr_ip)
    assert result is True, "Testcase {} :Failed \n Error {}".format(
        tc_name, result)

    # Check igmp groups
    step("Verify IGMP groups in LHR l1")
    dut = "l1"
    intf = "l1-r1-eth1"
    result = verify_igmp_groups(tgen, dut, intf, GROUP_ADDRESS)
    assert result is True, "Testcase {}:Failed \n Error: {}".format(
        tc_name, result)

    group = "226.1.1.1/32"
    src_addr = "*"

    # Find the elected rp from bsrp-info
    step("Find the elected rp from bsrp-info in LHR in l1")
    rp = find_rp_from_bsrp_info(tgen, dut, bsr_ip, group)
    assert rp is not {}, "Testcase {} :Failed \n Error {}".format(
        tc_name, result)

    # Check RP detail in LHR
    step("Verify RP in LHR in l1")
    result = verify_pim_grp_rp_source(tgen, topo, dut, group, "BSR", rp[group])
    assert result is True, "Testcase {}:Failed \n Error: {}".format(
        tc_name, result)

    # Verify join state and join timer
    step("Verify join state and join timer in l1")
    iif = "l1-i1-eth0"
    result = verify_join_state_and_timer(tgen, dut, iif, src_addr,
                                         GROUP_ADDRESS)
    assert result is True, "Testcase {}:Failed \n Error: {}".format(
        tc_name, result)

    # Verify upstream IIF interface
    step("Verify upstream IIF interface in l1")
    result = verify_upstream_iif(tgen, dut, iif, src_addr, GROUP_ADDRESS)
    assert result is True, "Testcase {}:Failed \n Error: {}".format(
        tc_name, result)

    # Verify IIF/OIL in pim state
    oil = "l1-r1-eth1"
    result = verify_pim_state(tgen, dut, iif, oil, GROUP_ADDRESS)
    assert result is True, "Testcase {}:Failed \n Error: {}".format(
        tc_name, result)

    # Verify ip mroute
    step("Verify ip mroute in l1")
    src_addr = "*"
    result = verify_ip_mroutes(tgen, dut, src_addr, GROUP_ADDRESS, iif, oil)
    assert result is True, "Testcase {}:Failed \n Error: {}".format(
        tc_name, result)

    # Remove the group rp mapping and send bsm
    step(
        "Remove the grp-rp mapping by sending bsm with hold time 0 for grp-rp")
    result = scapy_send_bsr_raw_packet(tgen, topo, "b1", "f1", "packet2")
    assert result is True, "Testcase {} :Failed \n Error {}".format(
        tc_name, result)

    # Check RP unreachable
    step("Check RP unreachability in l1")
    iif = "Unknown"
    result = verify_upstream_iif(tgen,
                                 dut,
                                 iif,
                                 src_addr,
                                 GROUP_ADDRESS,
                                 joinState="NotJoined")
    assert result is True, "Testcase {}:Failed \n Error: {}".format(
        tc_name, result)

    # Verify that it is not installed
    step("Verify that iif is not installed in l1")
    iif = "<iif?>"
    result = verify_pim_state(tgen,
                              dut,
                              iif,
                              oil,
                              GROUP_ADDRESS,
                              installed_fl=0)
    assert result is True, "Testcase {}:Failed \n Error: {}".format(
        tc_name, result)

    # Verify mroute not installed
    step("Verify mroute not installed in l1")
    result = verify_ip_mroutes(tgen,
                               dut,
                               src_addr,
                               GROUP_ADDRESS,
                               iif,
                               oil,
                               wait=20,
                               expected=False)
    assert result is not True, ("Testcase {} : Failed \n "
                                "mroute installed in l1 \n Error: {}".format(
                                    tc_name, result))

    # Send BSM again to configure rp
    step("Add back RP by sending BSM from b1")
    result = scapy_send_bsr_raw_packet(tgen, topo, "b1", "f1", "packet1")
    assert result is True, "Testcase {} :Failed \n Error {}".format(
        tc_name, result)

    # Verify that (*,G) installed in mroute again
    iif = "l1-i1-eth0"
    result = verify_ip_mroutes(tgen, dut, src_addr, GROUP_ADDRESS, iif, oil)
    assert result is True, "Testcase {}:Failed \n Error: {}".format(
        tc_name, result)

    step("clear  BSM database before moving to next case")
    clear_bsrp_data(tgen, topo)

    write_test_footer(tc_name)
示例#2
0
def test_RP_configured_as_FHR_2_p2(request):
    """
    TC_22_2_P2: Verify OIF and RFP for (*,G) and (S,G) when static RP configure
             in FHR router

    Topology used:
                ________r2_____
                |             |
      iperf     |             |     iperf
        r0-----r1-------------r3-----r5

    r1 : LHR
    r3 : FHR/RP
    """
    tgen = get_topogen()
    tc_name = request.node.name
    write_test_header(tc_name)

    # Don"t run this test if we have any failure.
    if tgen.routers_have_failure():
        pytest.skip(tgen.errors)

    step("Creating configuration from JSON")
    reset_config_on_routers(tgen)
    app_helper.stop_all_hosts()
    clear_mroute(tgen)
    clear_pim_interface_traffic(tgen, TOPO)

    step("Enable IGMP on r1 interface")
    step("Configure RP on r2 (loopback interface) for the group range"
         " 225.1.1.0/24")
    step("Enable the PIM on all the interfaces of r1, r2, r3 and r4 routers")
    step("Send multicast traffic from r5")
    step("Send the IGMP join from r0")

    step("r1, r2, r3, r4: Delete existing RP configuration"
         "configure r3(FHR) as RP")
    input_dict = {
        "r1": {
            "pim": {
                "rp": [{
                    "rp_addr": "1.0.2.17",
                    "group_addr_range": GROUP_RANGE_ALL,
                    "delete": True,
                }]
            }
        },
        "r2": {
            "pim": {
                "rp": [{
                    "rp_addr": "1.0.2.17",
                    "group_addr_range": GROUP_RANGE_ALL,
                    "delete": True,
                }]
            }
        },
        "r3": {
            "pim": {
                "rp": [{
                    "rp_addr": "1.0.2.17",
                    "group_addr_range": GROUP_RANGE_ALL,
                    "delete": True,
                }]
            }
        },
        "r4": {
            "pim": {
                "rp": [{
                    "rp_addr": "1.0.2.17",
                    "group_addr_range": GROUP_RANGE_ALL,
                    "delete": True,
                }]
            }
        },
    }

    result = create_pim_config(tgen, TOPO, input_dict)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1, r2, r3, r4: Configure r3(FHR) as RP")
    input_dict = {
        "r1": {
            "pim": {
                "rp": [{
                    "rp_addr": "1.0.3.17",
                    "group_addr_range": GROUP_RANGE_ALL,
                }]
            }
        },
        "r2": {
            "pim": {
                "rp": [{
                    "rp_addr": "1.0.3.17",
                    "group_addr_range": GROUP_RANGE_ALL,
                }]
            }
        },
        "r3": {
            "pim": {
                "rp": [{
                    "rp_addr": "1.0.3.17",
                    "group_addr_range": GROUP_RANGE_ALL,
                }]
            }
        },
        "r4": {
            "pim": {
                "rp": [{
                    "rp_addr": "1.0.3.17",
                    "group_addr_range": GROUP_RANGE_ALL,
                }]
            }
        },
    }

    result = create_pim_config(tgen, TOPO, input_dict)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify RP info")
    dut = "r1"
    rp_address = "1.0.3.17"
    iif = "r1-r3-eth2"
    result = verify_pim_rp_info(tgen, TOPO, dut, GROUP_RANGE_ALL, iif,
                                rp_address, SOURCE)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r5: Send multicast traffic for group 225.1.1.1")
    result = app_helper.run_traffic("r5", GROUP_ADDRESS, "r3")
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r0: Send IGMP join")
    result = app_helper.run_join("r0", GROUP_ADDRESS, "r1")
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r0: Verify IGMP groups")
    oif = "r1-r0-eth0"
    result = verify_igmp_groups(tgen, dut, oif, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (*, G) upstream IIF interface")
    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (*, G) upstream join state and join timer")
    result = verify_join_state_and_timer(tgen, dut, iif, STAR, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (*, G) ip mroutes")
    result = verify_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (S, G) upstream IIF interface")
    iif = "r1-r3-eth2"
    result = verify_upstream_iif(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (S, G) upstream join state and join timer")
    result = verify_join_state_and_timer(tgen, dut, iif, SOURCE_ADDRESS,
                                         GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (S, G) ip mroutes")
    result = verify_mroutes(tgen, dut, SOURCE_ADDRESS, GROUP_ADDRESS, iif, oif)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r3: Verify (S, G) upstream IIF interface")
    dut = "r3"
    iif = "r3-r5-eth3"
    result = verify_upstream_iif(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r3: Verify (S, G) upstream join state and join timer")
    result = verify_join_state_and_timer(tgen,
                                         dut,
                                         iif,
                                         SOURCE_ADDRESS,
                                         GROUP_ADDRESS,
                                         expected=False)
    assert result is not True, (
        "Testcase {} : Failed \n "
        "r3: (S,G) upstream state is joined and join timer is running\n Error: {}"
        .format(tc_name, result))

    step("r3: Verify (S, G) ip mroutes")
    oif = "r3-r1-eth0"
    result = verify_mroutes(tgen, dut, SOURCE_ADDRESS, GROUP_ADDRESS, iif, oif)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    # Uncomment next line for debugging
    # tgen.mininet_cli()

    write_test_footer(tc_name)
示例#3
0
def test_SPT_RPT_path_different_p1(request):
    """
    TC_23_P1: Verify (*,G) and (S,G) populated correctly when RPT and SPT path
              are different

    Topology used:
                ________r2_____
                |             |
      iperf     |             |     iperf
        r0-----r1-------------r3-----r5

    r1: LHR
    r2: RP
    r3: FHR
    """

    tgen = get_topogen()
    tc_name = request.node.name
    write_test_header(tc_name)

    # Don"t run this test if we have any failure.
    if tgen.routers_have_failure():
        pytest.skip(tgen.errors)

    step("Creating configuration from JSON")
    reset_config_on_routers(tgen)
    app_helper.stop_all_hosts()
    clear_mroute(tgen)
    clear_pim_interface_traffic(tgen, TOPO)

    step("Enable IGMP on r1 interface and send IGMP join (225.1.1.1) to r1")
    step("Configure RP on r2 (loopback interface) for the group range"
         " 224.0.0.0/4")
    step("Enable the PIM on all the interfaces of r1, r2, r3 and r4 routers")
    step("Send multicast traffic from r3")

    step("r2: Verify RP info")
    dut = "r2"
    rp_address = "1.0.2.17"
    iif = "lo"
    result = verify_pim_rp_info(tgen, TOPO, dut, GROUP_ADDRESS, iif,
                                rp_address, SOURCE)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r0: Send IGMP join")
    result = app_helper.run_join("r0", GROUP_ADDRESS, "r1")
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify IGMP groups")
    dut = "r1"
    oif = "r1-r0-eth0"
    result = verify_igmp_groups(tgen, dut, oif, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r5: Send multicast traffic for group 225.1.1.1")
    result = app_helper.run_traffic("r5", GROUP_ADDRESS, "r3")
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (*, G) upstream IIF interface")
    iif = "r1-r2-eth1"
    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (*, G) upstream join state and join timer")
    result = verify_join_state_and_timer(tgen, dut, iif, STAR, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (*, G) ip mroutes")
    result = verify_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (S, G) upstream IIF interface")
    iif = "r1-r3-eth2"
    result = verify_upstream_iif(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (S, G) upstream join state and join timer")
    result = verify_join_state_and_timer(tgen, dut, iif, SOURCE_ADDRESS,
                                         GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (S, G) ip mroutes")
    result = verify_mroutes(tgen, dut, SOURCE_ADDRESS, GROUP_ADDRESS, iif, oif)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r2: Verify (*, G) upstream IIF interface")
    dut = "r2"
    iif = "lo"
    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r2: Verify (*, G) upstream join state and join timer")
    result = verify_join_state_and_timer(tgen, dut, iif, STAR, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r2: Verify (*, G) ip mroutes")
    oif = "r2-r1-eth0"
    result = verify_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r3: Verify (S, G) upstream IIF interface")
    dut = "r3"
    iif = "r3-r5-eth3"
    result = verify_upstream_iif(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r3: Verify (S, G) upstream join state and join timer")
    result = verify_join_state_and_timer(tgen,
                                         dut,
                                         iif,
                                         SOURCE_ADDRESS,
                                         GROUP_ADDRESS,
                                         expected=False)
    assert result is not True, (
        "Testcase {} : Failed \n "
        "r3: (S,G) upstream state is joined and join timer is running\n Error: {}"
        .format(tc_name, result))

    step("r3: Verify (S, G) ip mroutes")
    oif = "r3-r1-eth0"
    result = verify_mroutes(tgen, dut, SOURCE_ADDRESS, GROUP_ADDRESS, iif, oif)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r2: Verify (S, G) upstream IIF interface")
    dut = "r2"
    iif = "r2-r3-eth1"
    result = verify_upstream_iif(tgen,
                                 dut,
                                 iif,
                                 SOURCE_ADDRESS,
                                 GROUP_ADDRESS,
                                 joinState="NotJoined")
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r2: Verify (S, G) upstream join state and join timer")
    result = verify_join_state_and_timer(tgen,
                                         dut,
                                         iif,
                                         SOURCE_ADDRESS,
                                         GROUP_ADDRESS,
                                         expected=False)
    assert result is not True, (
        "Testcase {} : Failed \n "
        "r2: (S,G) upstream state is joined and join timer is running\n Error: {}"
        .format(tc_name, result))

    step("r2: Verify (S, G) ip mroutes")
    oif = "none"
    result = verify_mroutes(tgen, dut, SOURCE_ADDRESS, GROUP_ADDRESS, iif, oif)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    # Uncomment next line for debugging
    # tgen.mininet_cli()

    write_test_footer(tc_name)
示例#4
0
def test_clear_pim_configuration_p1(request):
    """
    TC_25_P1: Verify (*,G) and (S,G) populated correctly after clearing the
              PIM,IGMP and mroutes joins

    Topology used:
                ________r2_____
                |             |
      iperf     |             |     iperf
        r0-----r1-------------r3-----r5
                |             |
                |_____________|
                        r4
    r1 : LHR
    r2 : RP
    r3 : FHR
    """

    tgen = get_topogen()
    tc_name = request.node.name
    write_test_header(tc_name)

    # Don"t run this test if we have any failure.
    if tgen.routers_have_failure():
        pytest.skip(tgen.errors)

    step("Creating configuration from JSON")
    reset_config_on_routers(tgen)
    app_helper.stop_all_hosts()
    clear_mroute(tgen)
    clear_pim_interface_traffic(tgen, TOPO)

    step("Enable IGMP on r1 interface")
    step("Configure RP on r2 (loopback interface) for the group range"
         " 224.0.0.0/4")
    step("Enable the PIM on all the interfaces of r1, r2, r3 and r4 routers")
    step("Send the IGMP join from r0")
    step("Send multicast traffic from r5")

    step("r2: Verify RP info")
    dut = "r2"
    rp_address = "1.0.2.17"
    oif = "lo"
    result = verify_pim_rp_info(tgen, TOPO, dut, GROUP_RANGE_ALL, oif,
                                rp_address, SOURCE)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r0: Send IGMP join")
    result = app_helper.run_join("r0", GROUP_ADDRESS, "r1")
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify IGMP groups")
    dut = "r1"
    iif = "r1-r0-eth0"
    result = verify_igmp_groups(tgen, dut, iif, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r5: Send multicast traffic for group 225.1.1.1")
    result = app_helper.run_traffic("r5", GROUP_ADDRESS, "r3")
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (*, G) upstream IIF interface")
    dut = "r1"
    iif = "r1-r2-eth1"
    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (*, G) upstream join state and join timer")
    result = verify_join_state_and_timer(tgen, dut, iif, STAR, GROUP_ADDRESS)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify (*, G) ip mroutes")
    oif = "r1-r0-eth0"
    result = verify_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify IGMP groups timer restarted")
    result = clear_igmp_interfaces(tgen, dut)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify PIM neighbor timer restarted")
    result = clear_pim_interfaces(tgen, dut)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify PIM mroute timer restarted")
    result = clear_mroute_verify(tgen, dut)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    # Uncomment next line for debugging
    # tgen.mininet_cli()

    write_test_footer(tc_name)
def test_configuring_igmp_local_join_on_reciever_dr_non_dr_nodes_p1(request):
    """
    Configure IGMP local join on DR and non DR
    """

    tgen = get_topogen()
    tc_name = request.node.name
    write_test_header(tc_name)

    # Creating configuration from JSON
    app_helper.stop_all_hosts()
    clear_mroute(tgen)
    check_router_status(tgen)
    reset_config_on_routers(tgen)
    clear_pim_interface_traffic(tgen, topo)

    # Don"t run this test if we have any failure.
    if tgen.routers_have_failure():
        pytest.skip(tgen.errors)

    step("Configure IGMP and PIM on switch connected receiver nodes")
    step("Configure PIM on all upstream interfaces")

    step("Configure link between R1, R2 ,R3 and receiver on" " same vlan")
    step("Make sure R1 is DR initially configuring highest IP on R1 and R2 "
         "second highest, R1 is lower")

    intf_r1_s1 = topo["routers"]["r1"]["links"]["s1"]["interface"]
    intf_r1_s1_addr = topo["routers"]["r1"]["links"]["s1"]["ipv4"]

    intf_r2_s1 = topo["routers"]["r2"]["links"]["s1"]["interface"]
    intf_r2_s1_addr = topo["routers"]["r2"]["links"]["s1"]["ipv4"]

    intf_i1_s1 = topo["routers"]["i1"]["links"]["s1"]["interface"]
    intf_i1_s1_addr = topo["routers"]["i1"]["links"]["s1"]["ipv4"]

    vlan_input = {
        "r1": {
            "vlan": {
                VLAN_1: [{
                    intf_r1_s1: {
                        "ip": SAME_VLAN_IP_1["ip"],
                        "subnet": SAME_VLAN_IP_1["subnet"],
                    }
                }]
            }
        },
        "r2": {
            "vlan": {
                VLAN_1: [{
                    intf_r2_s1: {
                        "ip": SAME_VLAN_IP_2["ip"],
                        "subnet": SAME_VLAN_IP_2["subnet"],
                    }
                }]
            }
        },
        "i1": {
            "vlan": {
                VLAN_1: [{
                    intf_i1_s1: {
                        "ip": SAME_VLAN_IP_4["ip"],
                        "subnet": SAME_VLAN_IP_4["subnet"],
                    }
                }]
            }
        },
    }

    add_interfaces_to_vlan(tgen, vlan_input)

    raw_config = {
        "r1": {
            "raw_config": [
                "interface {}".format(intf_r1_s1),
                "no ip address {}".format(intf_r1_s1_addr),
                "no ip pim",
            ]
        },
        "r2": {
            "raw_config": [
                "interface {}".format(intf_r2_s1),
                "no ip address {}".format(intf_r2_s1_addr),
                "no ip pim",
            ]
        },
        "i1": {
            "raw_config": [
                "interface {}".format(intf_i1_s1),
                "no ip address {}".format(intf_i1_s1_addr),
            ]
        },
    }

    result = apply_raw_config(tgen, raw_config)
    assert result is True, "Testcase {} : Failed Error: {}".format(
        tc_name, result)

    raw_config = {
        "r1": {
            "raw_config": [
                "interface {}.{}".format(intf_r1_s1, VLAN_1),
                "ip address {}/{}".format(SAME_VLAN_IP_1["ip"],
                                          SAME_VLAN_IP_1["cidr"]),
                "ip pim",
                "ip igmp",
                "ip igmp version 2",
            ]
        },
        "r2": {
            "raw_config": [
                "interface {}.{}".format(intf_r2_s1, VLAN_1),
                "ip address {}/{}".format(SAME_VLAN_IP_2["ip"],
                                          SAME_VLAN_IP_2["cidr"]),
                "ip pim",
                "ip igmp",
                "ip igmp version 2",
            ]
        },
        "i1": {
            "raw_config": [
                "interface {}.{}".format(intf_i1_s1, VLAN_1),
                "ip address {}/{}".format(SAME_VLAN_IP_4["ip"],
                                          SAME_VLAN_IP_4["cidr"]),
            ]
        },
    }

    result = apply_raw_config(tgen, raw_config)
    assert result is True, "Testcase {} : Failed Error: {}".format(
        tc_name, result)

    for dut, intf in zip(["r1", "r2"], [intf_r1_s1, intf_r2_s1]):
        raw_config = {
            dut: {
                "raw_config": [
                    "interface {}.{}".format(intf, VLAN_1),
                    "ip pim hello {} {}".format(HELLO_TIMER, HOLD_TIMER),
                ]
            }
        }
        result = apply_raw_config(tgen, raw_config)
        assert result is True, "Testcase {} : Failed Error: {}".format(
            tc_name, result)

    step("Configure R4 as RP on all the nodes for group range 224.0.0.0/24")

    input_dict = {
        "r4": {
            "pim": {
                "rp": [{
                    "rp_addr":
                    topo["routers"]["r4"]["links"]["lo"]["ipv4"].split("/")[0],
                    "group_addr_range":
                    GROUP_RANGE_1 + GROUP_RANGE_3,
                }]
            }
        }
    }

    result = create_pim_config(tgen, topo, input_dict)
    assert result is True, "Testcase {} : Failed Error: {}".format(
        tc_name, result)

    step("Send IGMP local join for groups 226.1.1.1 to 226.1.1.5")

    vlan_intf_r1_s1 = "{}.{}".format(intf_r1_s1, VLAN_1)
    input_dict = {
        "r1": {
            "igmp": {
                "interfaces": {
                    vlan_intf_r1_s1: {
                        "igmp": {
                            "version": "2",
                            "join": IGMP_JOIN_RANGE_1
                        }
                    }
                }
            }
        }
    }

    result = create_igmp_config(tgen, topo, input_dict)
    assert result is True, "Testcase {}: Failed Error: {}".format(
        tc_name, result)

    step("Enable OSPF between all the nodes")

    step("Configure local join on R1 for group range (227.1.1.1)")

    vlan_intf_r1_s1 = "{}.{}".format(intf_r1_s1, VLAN_1)
    input_dict = {
        "r1": {
            "igmp": {
                "interfaces": {
                    vlan_intf_r1_s1: {
                        "igmp": {
                            "version": "2",
                            "join": IGMP_JOIN_RANGE_3
                        }
                    }
                }
            }
        }
    }

    result = create_igmp_config(tgen, topo, input_dict)
    assert result is True, "Testcase {}: Failed Error: {}".format(
        tc_name, result)

    step("Start traffic from R4 connected source")

    input_src = {"i2": topo["routers"]["i2"]["links"]["r5"]["interface"]}

    result = app_helper.run_traffic("i2",
                                    IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3,
                                    "r5")
    assert result is True, "Testcase {} : Failed Error: {}".format(
        tc_name, result)

    step("R1, R2 and R2 has IGMP groups for 226.x.x.x and 227.1.1.1 groups")

    intf_r1_s1 = "{}.{}".format(
        topo["routers"]["r1"]["links"]["s1"]["interface"], VLAN_1)
    intf_r2_s1 = "{}.{}".format(
        topo["routers"]["r2"]["links"]["s1"]["interface"], VLAN_1)

    for dut, intf in zip(["r1", "r2"], [intf_r1_s1, intf_r2_s1]):
        result = verify_igmp_groups(tgen, dut, intf,
                                    IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3)
        assert result is True, "Testcase {} : Failed Error: {}".format(
            tc_name, result)

    step("R1 is DR, R2 has 226.x.x.x and 227.1.1.1 (*,G) mroute with SC flag")
    step("(S,G) mroute for 226.1.1.1 group present on R2")

    source_i2 = topo["routers"]["i2"]["links"]["r5"]["ipv4"].split("/")[0]
    input_dict_r2 = [{
        "dut":
        "r2",
        "src_address":
        "*",
        "iif":
        topo["routers"]["r2"]["links"]["r4"]["interface"],
        "oil":
        "{}.{}".format(topo["routers"]["r2"]["links"]["s1"]["interface"],
                       VLAN_1),
    }]

    for data in input_dict_r2:
        result = verify_mroutes(
            tgen,
            data["dut"],
            data["src_address"],
            IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3,
            data["iif"],
            data["oil"],
        )
        assert result is True, "Testcase {} : Failed Error: {}".format(
            tc_name, result)

    for dut, flag in zip(["r2"], ["SC"]):
        step("{} has (*,G) flag as {}".format(dut, flag))
        result = verify_multicast_flag_state(tgen, dut, "*", IGMP_JOIN_RANGE_1,
                                             flag)
        assert result is True, "Testcase {} : Failed Error: {}".format(
            tc_name, result)

    step("Delete local join from DR node")
    for _join in IGMP_JOIN_RANGE_3:
        input_dict = {
            "r1": {
                "igmp": {
                    "interfaces": {
                        vlan_intf_r1_s1: {
                            "igmp": {
                                "join": [_join],
                                "delete_attr": True,
                            }
                        }
                    }
                }
            }
        }

        result = create_igmp_config(tgen, topo, input_dict)
        assert result is True, "Testcase {}: Failed Error: {}".format(
            tc_name, result)

        step(
            "After removing local join 227.1.1.1 group removed from IGMP join "
            "of R1, R2 node , using 'show ip igmp groups json'")

        for dut, intf in zip(["r1", "r2"], [intf_r1_s1, intf_r2_s1]):
            result = verify_igmp_groups(tgen,
                                        dut,
                                        intf,
                                        IGMP_JOIN_RANGE_3,
                                        expected=False)
            assert result is not True, (
                "Testcase {} : Failed \n "
                "IGMP groups are still present \n Error: {}".format(
                    tc_name, result))

    step("(*,G) mroute for 227.1.1.1 group removed from R1 node")
    step(
        "After remove of local join from R1 and R2 node verify (*,G) and (S,G) "
        "mroutes should not present on R1, R2 and R3 nodes")

    for data in input_dict_r2:
        result = verify_mroutes(
            tgen,
            data["dut"],
            data["src_address"],
            IGMP_JOIN_RANGE_1,
            data["iif"],
            data["oil"],
        )
        assert result is True, "Testcase {} : Failed Error: {}".format(
            tc_name, result)

        result = verify_mroutes(
            tgen,
            data["dut"],
            data["src_address"],
            IGMP_JOIN_RANGE_3,
            data["iif"],
            data["oil"],
            expected=False,
        )
        assert (
            result is not True
        ), "Testcase {} : Failed \n " "mroutes are still present \n Error: {}".format(
            tc_name, result)

    step("Configure local join on R2 for group range (227.1.1.1)")

    input_dict = {
        "r2": {
            "igmp": {
                "interfaces": {
                    intf_r2_s1: {
                        "igmp": {
                            "version": "2",
                            "join": IGMP_JOIN_RANGE_3
                        }
                    }
                }
            }
        }
    }

    result = create_igmp_config(tgen, topo, input_dict)
    assert result is True, "Testcase {}: Failed Error: {}".format(
        tc_name, result)

    step(
        "After configuring local join on R2 non DR node, IGMP groups for 26.x.x.x and "
        "227.1.1.1 present on all the nodes")

    for dut, intf in zip(["r1", "r2"], [intf_r1_s1, intf_r2_s1]):
        result = verify_igmp_groups(tgen, dut, intf,
                                    IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3)
        assert result is True, "Testcase {} : Failed Error: {}".format(
            tc_name, result)

    step("R2 has 227.1.1.1 (*,G) mroute with SC flag")

    for dut, flag in zip(["r2"], ["SC"]):
        step("{} has (*,G) flag as {}".format(dut, flag))
        result = verify_multicast_flag_state(tgen, dut, "*", IGMP_JOIN_RANGE_3,
                                             flag)
        assert result is True, "Testcase {} : Failed Error: {}".format(
            tc_name, result)

    step("Configure local join on R1 for group range (227.1.1.1)")

    input_dict = {
        "r1": {
            "igmp": {
                "interfaces": {
                    vlan_intf_r1_s1: {
                        "igmp": {
                            "version": "2",
                            "join": IGMP_JOIN_RANGE_3
                        }
                    }
                }
            }
        }
    }

    result = create_igmp_config(tgen, topo, input_dict)
    assert result is True, "Testcase {}: Failed Error: {}".format(
        tc_name, result)

    step(
        "After configuring 227.1.1.1 on R1 node, verify no change on IGMP groups on all the nodes"
    )

    for dut, intf in zip(["r1", "r2"], [intf_r1_s1, intf_r2_s1]):
        result = verify_igmp_groups(tgen, dut, intf,
                                    IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3)
        assert result is True, "Testcase {} : Failed Error: {}".format(
            tc_name, result)

    step("R2 has 227.1.1.1 (*,G) mroute with SC flag")

    step("r2 has (*,G) flag as SC")
    result = verify_multicast_flag_state(tgen, "r2", "*", IGMP_JOIN_RANGE_3,
                                         "SC")
    assert result is True, "Testcase {} : Failed Error: {}".format(
        tc_name, result)

    step("R1 should not have (*,G) join and (S,G) join present")

    input_dict_r1 = [
        {
            "dut":
            "r1",
            "src_address":
            "*",
            "iif":
            topo["routers"]["r1"]["links"]["r4"]["interface"],
            "oil":
            "{}.{}".format(topo["routers"]["r1"]["links"]["s1"]["interface"],
                           VLAN_1),
        },
        {
            "dut":
            "r1",
            "src_address":
            source_i2,
            "iif":
            topo["routers"]["r1"]["links"]["r4"]["interface"],
            "oil":
            "{}.{}".format(topo["routers"]["r1"]["links"]["s1"]["interface"],
                           VLAN_1),
        },
    ]

    for data in input_dict_r1:
        result = verify_mroutes(
            tgen,
            data["dut"],
            data["src_address"],
            IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3,
            data["iif"],
            data["oil"],
            expected=False,
        )
        assert (
            result is not True
        ), "Testcase {} : Failed \n " "mroutes are still present \n Error: {}".format(
            tc_name, result)

    step("Remove local join from DR and Non DR node")

    input_dict = {
        "r1": {
            "igmp": {
                "interfaces": {
                    vlan_intf_r1_s1: {
                        "igmp": {
                            "version": "2",
                            "join": IGMP_JOIN_RANGE_3,
                            "delete_attr": True,
                        }
                    }
                }
            }
        },
        "r2": {
            "igmp": {
                "interfaces": {
                    intf_r2_s1: {
                        "igmp": {
                            "version": "2",
                            "join": IGMP_JOIN_RANGE_3,
                            "delete_attr": True,
                        }
                    }
                }
            }
        },
    }

    result = create_igmp_config(tgen, topo, input_dict)
    assert result is True, "Testcase {}: Failed Error: {}".format(
        tc_name, result)

    step(
        "After remove of local join from R1 and R2 node verify (*,G) and (S,G) mroutes "
        "should not present on R1, R2 nodes")

    for data in input_dict_r1:
        result = verify_mroutes(
            tgen,
            data["dut"],
            data["src_address"],
            IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3,
            data["iif"],
            data["oil"],
            expected=False,
        )
        assert (
            result is not True
        ), "Testcase {} : Failed \n " "mroutes are still present \n Error: {}".format(
            tc_name, result)

    for data in input_dict_r2:
        result = verify_mroutes(
            tgen,
            data["dut"],
            data["src_address"],
            IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3,
            data["iif"],
            data["oil"],
            expected=False,
        )
        assert (
            result is not True
        ), "Testcase {} : Failed \n " "mroutes are still present \n Error: {}".format(
            tc_name, result)

    write_test_footer(tc_name)