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)
def test_pim_source_dr_functionality_while_rebooting_dr_non_dr_nodes_p1(
        request):
    """
    Verify mroute while rebooting DR /Non DR nodes( r1, r2 , r3 on all the nodes)
    """

    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)

    result = pre_config_for_source_dr_tests(tgen, topo, tc_name, "r1", "r3")
    assert result is True, "Testcase {} : Failed Error: {}".format(
        tc_name, result)

    step("R1 is the DR , verify using 'show ip pim interface json'")

    vlan_intf_r1_s1 = "{}.{}".format(intf_r1_s1, VLAN_1)
    input_dict_dr = {
        "r1": {
            "pim": {
                "interfaces": {
                    vlan_intf_r1_s1: {
                        "drAddress": SAME_VLAN_IP_3["ip"]
                    }
                }
            }
        }
    }
    result = verify_pim_config(tgen, input_dict_dr)
    assert result is True, "Testcase {} : Failed Error: {}".format(
        tc_name, result)

    step(
        "R2 is transit router for R3 to reach R4, mroute should have (s, g) mroute with "
        "OIL towards R4, using 'show ip mroute json'")
    step("R2 (s, g) upstream should be in join state verify using "
         "'show ip pim upstream json'")
    step(
        "R1 has (S, G) mroute with NONE OIL and upstream as not joined, verify using "
        "'show ip mroute json' 'show ip pim upstream json'")

    source_i1 = SAME_VLAN_IP_4["ip"]
    input_dict_r1_r2 = [
        {
            "dut":
            "r1",
            "src_address":
            source_i1,
            "oil":
            "none",
            "iif":
            "{}.{}".format(topo["routers"]["r1"]["links"]["s1"]["interface"],
                           VLAN_1),
        },
        {
            "dut":
            "r2",
            "src_address":
            source_i1,
            "oil":
            topo["routers"]["r2"]["links"]["r4"]["interface"],
            "iif":
            "{}.{}".format(topo["routers"]["r2"]["links"]["s1"]["interface"],
                           VLAN_1),
        },
    ]

    for data in input_dict_r1_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)

        if data["dut"] == "r2":
            result = verify_upstream_iif(tgen, data["dut"], data["iif"],
                                         data["src_address"],
                                         IGMP_JOIN_RANGE_1)
            assert result is True, "Testcase {} : Failed Error: {}".format(
                tc_name, result)
        else:
            result = verify_upstream_iif(
                tgen,
                data["dut"],
                data["iif"],
                data["src_address"],
                IGMP_JOIN_RANGE_1,
                expected=False,
            )
            assert result is not True, (
                "Testcase {} : Failed \n "
                "Upstream is still joined state \n Error: {}".format(
                    tc_name, result))

    step("Reboot R3 node")
    stop_router(tgen, "r3")

    step(
        "After reboot of R3 verify R1 became DR, using 'show ip pim interface json'"
    )

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

    step("R3 should not have any mroute and upstream")
    step(
        "R2 has mroute with OIL towards R4 /R1 , verify using 'show ip mroute'"
    )
    step(
        "R2 has upstream with Join RejP state verify using 'show ip pim upstream json'"
    )
    step("R1 has mroute with none OIL and upstream with Not Join")

    for data in input_dict_r1_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)

        if data["dut"] == "r2":
            result = verify_upstream_iif(tgen, data["dut"], data["iif"],
                                         data["src_address"],
                                         IGMP_JOIN_RANGE_1)
            assert result is True, "Testcase {} : Failed Error: {}".format(
                tc_name, result)
        else:
            result = verify_upstream_iif(
                tgen,
                data["dut"],
                data["iif"],
                data["src_address"],
                IGMP_JOIN_RANGE_1,
                expected=False,
            )
            assert result is not True, (
                "Testcase {} : Failed \n "
                "Upstream is still joined state \n Error: {}".format(
                    tc_name, result))

    step("Reboot R2 node")
    stop_router(tgen, "r2")

    step(
        "After reboot of R2, R1 became DR verify using 'show ip pim interface json'"
    )

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

    step("R3 and R2 should not have any mroute and upstream , verify using "
         "'show ip mroute json' 'show ip pim upstream json'")
    step(
        "R1 has mroute created with OIL towards R4 , using 'show ip mroute json'"
    )
    step(
        "R1 has upstream with Join Rej Prune , verify using 'show ip pim upstream json'"
    )

    for data in input_dict_r1_r2:
        if data["dut"] == "r1":
            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_upstream_iif(
                tgen,
                data["dut"],
                data["iif"],
                data["src_address"],
                IGMP_JOIN_RANGE_1,
                expected=False,
            )
            assert result is not True, (
                "Testcase {} : Failed \n "
                "Upstream is still joined state \n Error: {}".format(
                    tc_name, result))

    step("Reboot R1 node using FRR stop")
    stop_router(tgen, "r1")

    step("After stop of all the routers, verify upstream and mroutes should "
         "not present in any of them")

    for data in input_dict_r1_r2:
        result = verify_mroutes(
            tgen,
            data["dut"],
            data["src_address"],
            IGMP_JOIN_RANGE_1,
            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("start FRR for all the nodes")
    start_router(tgen, "r1")
    start_router(tgen, "r2")
    start_router(tgen, "r3")

    step("After start of all the routers, R1 became DR")

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

    for data in input_dict_r1_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)

        if data["dut"] == "r2":
            result = verify_upstream_iif(tgen, data["dut"], data["iif"],
                                         data["src_address"],
                                         IGMP_JOIN_RANGE_1)
            assert result is True, "Testcase {} : Failed Error: {}".format(
                tc_name, result)

    write_test_footer(tc_name)
def test_mroute_with_RP_default_route_all_nodes_p2(request):
    """
    TC_50 Verify mroute when LHR,FHR,RP and transit routers reachable
    using default routes
    """

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

    # Creating configuration from JSON
    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)
    step(
        "Remove c1-c2 connected link to simulate topo "
        "c1(LHR)---l1(RP)----r2---f1-----c2(FHR)"
    )

    intf_c1_c2 = topo["routers"]["c1"]["links"]["c2"]["interface"]
    intf_c2_c1 = topo["routers"]["c2"]["links"]["c1"]["interface"]
    shutdown_bringup_interface(tgen, "c1", intf_c1_c2, False)
    shutdown_bringup_interface(tgen, "c2", intf_c2_c1, False)

    step("Enable the PIM on all the interfaces of FRR1, FRR2, FRR3")
    step(
        "Enable IGMP of FRR1 interface and send IGMP joins "
        " from FRR1 node for group range (225.1.1.1-5)"
    )

    intf_c1_i4 = topo["routers"]["c1"]["links"]["i4"]["interface"]
    input_dict = {
        "c1": {"igmp": {"interfaces": {intf_c1_i4: {"igmp": {"version": "2"}}}}}
    }
    result = create_igmp_config(tgen, topo, input_dict)
    assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)

    input_join = {"i4": topo["routers"]["i4"]["links"]["c1"]["interface"]}

    for recvr, recvr_intf in input_join.items():
        result = config_to_send_igmp_join_and_traffic(
            tgen, topo, tc_name, recvr, recvr_intf, GROUP_RANGE_1, join=True
        )
        assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)

        result = iperfSendIGMPJoin(tgen, recvr, IGMP_JOIN_RANGE_1, join_interval=1)
        assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)

    step("Configure static RP for (225.1.1.1-5) as R2")

    input_dict = {
        "l1": {
            "pim": {
                "rp": [
                    {
                        "rp_addr": topo["routers"]["l1"]["links"]["lo"]["ipv4"].split(
                            "/"
                        )[0],
                        "group_addr_range": GROUP_RANGE,
                    }
                ]
            }
        }
    }

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

    step("Send traffic from C2 to all the groups ( 225.1.1.1 to 225.1.1.5)")

    input_src = {"i5": topo["routers"]["i5"]["links"]["c2"]["interface"]}

    for src, src_intf in input_src.items():
        result = config_to_send_igmp_join_and_traffic(
            tgen, topo, tc_name, src, src_intf, GROUP_RANGE_1, traffic=True
        )
        assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)

        result = iperfSendTraffic(tgen, src, IGMP_JOIN_RANGE_1, 32, 2500)
        assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result)

    source_i5 = topo["routers"]["i5"]["links"]["c2"]["ipv4"].split("/")[0]

    input_dict_starg = [
        {
            "dut": "c1",
            "src_address": "*",
            "iif": topo["routers"]["c1"]["links"]["l1"]["interface"],
            "oil": topo["routers"]["c1"]["links"]["i4"]["interface"],
        }
    ]

    input_dict_sg = [
        {
            "dut": "c1",
            "src_address": source_i5,
            "iif": topo["routers"]["c1"]["links"]["l1"]["interface"],
            "oil": topo["routers"]["c1"]["links"]["i4"]["interface"],
        }
    ]

    step("Verify mroutes and iff upstream")

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

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

    step("Delete static routes RP on all the nodes")
    input_dict = {
        "c2": {
            "static_routes": [
                {"network": ["1.0.4.11/32"], "next_hop": "10.0.3.2", "delete": True}
            ]
        },
        "c1": {
            "static_routes": [
                {"network": ["1.0.4.11/32"], "next_hop": "10.0.2.2", "delete": True}
            ]
        },
        "r2": {
            "static_routes": [
                {"network": ["1.0.4.11/32"], "next_hop": "10.0.12.1", "delete": True}
            ]
        },
        "f1": {
            "static_routes": [
                {"network": ["1.0.4.11/32"], "next_hop": "10.0.7.2", "delete": True}
            ]
        },
    }

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

    step("Verify RP info unknown after removing static route from c2 ")
    dut = "c2"
    rp_address = topo["routers"]["l1"]["links"]["lo"]["ipv4"].split("/")[0]
    SOURCE = "Static"
    result = verify_pim_rp_info(
        tgen, topo, dut, GROUP_RANGE_1, "Unknown", rp_address, SOURCE
    )
    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)

    for data in input_dict_starg:
        result = verify_ip_mroutes(
            tgen,
            data["dut"],
            data["src_address"],
            IGMP_JOIN_RANGE_1,
            data["iif"],
            data["oil"],
            expected=False,
        )
        assert result is not True, "Testcase {} : Failed Error: {}".format(
            tc_name, result
        )

        result = verify_upstream_iif(
            tgen,
            data["dut"],
            data["iif"],
            data["src_address"],
            IGMP_JOIN_RANGE_1,
            expected=False,
        )
        assert result is not True, "Testcase {} : Failed Error: {}".format(
            tc_name, result
        )

    step("Configure default routes on all the nodes")

    intf_f1_c2 = topo["routers"]["f1"]["links"]["c2"]["ipv4"].split("/")[0]
    intf_l1_c1 = topo["routers"]["l1"]["links"]["c1"]["ipv4"].split("/")[0]
    intf_l1_r2 = topo["routers"]["l1"]["links"]["r2"]["ipv4"].split("/")[0]
    intf_r2_f1 = topo["routers"]["r2"]["links"]["f1"]["ipv4"].split("/")[0]

    input_dict = {
        "c1": {"static_routes": [{"network": "0.0.0.0/0", "next_hop": intf_l1_c1}]},
        "c2": {"static_routes": [{"network": "0.0.0.0/0", "next_hop": intf_f1_c2}]},
        "r2": {"static_routes": [{"network": "0.0.0.0/0", "next_hop": intf_l1_r2}]},
        "f1": {"static_routes": [{"network": "0.0.0.0/0", "next_hop": intf_r2_f1}]},
    }
    result = create_static_routes(tgen, input_dict)
    assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result)

    step("applying ip nht config  on c2")

    raw_config = {
        "c1": {"raw_config": ["ip nht resolve-via-default"]},
        "c2": {"raw_config": ["ip nht resolve-via-default"]},
        "r2": {"raw_config": ["ip nht resolve-via-default"]},
        "f1": {"raw_config": ["ip nht resolve-via-default"]},
        "l1": {"raw_config": ["ip nht resolve-via-default"]},
    }

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

    step("Verify RP info Not unknown after removing static route from c2 ")
    dut = "c2"
    step("Verify RP info is NOT unknown after removing static route from c2 ")
    result = verify_pim_rp_info(
        tgen, topo, dut, GROUP_RANGE_1, "Unknown", rp_address, SOURCE, expected=False
    )
    assert result is not True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result
    )

    step("Verify (s,g) populated after adding default route ")

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

    step("Verify (*,g) populated after adding default route ")

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

    write_test_footer(tc_name)
def test_pimv6_add_delete_static_RP_p0(request):
    """
    TC_1: Verify upstream interfaces(IIF) and join state are updated
        properly after adding and deleting the static RP
    TC_2: Verify IIF and OIL in "show ip pim state" updated properly
        after adding and deleting the static RP
    TC_3: (*, G) Mroute entry are cleared when static RP gets deleted
    TC_4: Verify (*,G) prune is send towards the RP after deleting the
        static RP

    TOPOlogy used:
         r0------r1-----r2
       iperf    DUT     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():
        check_router_status(tgen)

    step("Shut link b/w R1 and R3 and R1 and R4 as per tescase topology")
    intf_r1_r3 = TOPO["routers"]["r1"]["links"]["r3"]["interface"]
    intf_r1_r4 = TOPO["routers"]["r1"]["links"]["r4"]["interface"]
    for intf in [intf_r1_r3, intf_r1_r4]:
        shutdown_bringup_interface(tgen, "r1", intf, ifaceaction=False)

    step("Enable PIM between r1 and r2")
    step("Enable MLD on r1 interface and send IGMP " "join (FF08::1) to r1")
    step("Configure r2 loopback interface as RP")
    input_dict = {
        "r2": {
            "pim6": {
                "rp": [{
                    "rp_addr":
                    TOPO["routers"]["r2"]["links"]["lo"]["ipv6"].split("/")[0],
                    "group_addr_range":
                    GROUP_RANGE_V6,
                }]
            }
        }
    }

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

    step("Verify show ip pim interface traffic without any mld join")
    state_dict = {
        "r1": {
            TOPO["routers"]["r1"]["links"]["r2"]["interface"]: ["pruneTx"]
        }
    }

    state_before = verify_pim_interface_traffic(tgen,
                                                state_dict,
                                                addr_type="ipv6")
    assert isinstance(
        state_before, dict
    ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(
        tc_name, result)

    step("send mld join (FF08::1) to R1")
    intf = TOPO["routers"]["r0"]["links"]["r1"]["interface"]
    intf_ip = TOPO["routers"]["r0"]["links"]["r1"]["ipv6"].split("/")[0]
    result = socat_send_igmp_join_traffic(tgen,
                                          "r0",
                                          "UDP6-RECV",
                                          IGMP_JOIN_V6,
                                          intf,
                                          intf_ip,
                                          join=True)
    assert result is True, "Testcase {}: Failed Error: {}".format(
        tc_name, result)

    step("r1: Verify RP info")
    dut = "r1"
    oif = TOPO["routers"]["r1"]["links"]["r2"]["interface"]
    iif = TOPO["routers"]["r1"]["links"]["r0"]["interface"]
    rp_address = TOPO["routers"]["r2"]["links"]["lo"]["ipv6"].split("/")[0]
    result = verify_pim_rp_info(tgen, TOPO, dut, GROUP_RANGE_V6, oif,
                                rp_address, SOURCE)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify upstream IIF interface")
    result = verify_upstream_iif(tgen, dut, oif, STAR, IGMP_JOIN_V6)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify upstream join state and join timer")
    result = verify_join_state_and_timer(tgen, dut, oif, STAR, IGMP_JOIN_V6)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify PIM state")
    result = verify_pim_state(tgen, dut, oif, iif, IGMP_JOIN_V6)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Verify ip mroutes")
    result = verify_mroutes(tgen, dut, STAR, IGMP_JOIN_V6, oif, iif)
    assert result is True, "Testcase {} :Failed \n Error: {}".format(
        tc_name, result)

    step("r1: Delete RP configuration")
    input_dict = {
        "r2": {
            "pim6": {
                "rp": [{
                    "rp_addr":
                    TOPO["routers"]["r2"]["links"]["lo"]["ipv6"].split("/")[0],
                    "group_addr_range":
                    GROUP_RANGE_V6,
                    "delete":
                    True,
                }]
            }
        }
    }

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

    step("r1: Verify RP info")
    result = verify_pim_rp_info(tgen,
                                TOPO,
                                dut,
                                GROUP_RANGE_V6,
                                oif,
                                rp_address,
                                SOURCE,
                                expected=False)
    assert (
        result is not True
    ), "Testcase {} :Failed \n " "RP: {} info is still present \n Error: {}".format(
        tc_name, rp_address, result)

    step("r1: Verify upstream IIF interface")
    result = verify_upstream_iif(tgen,
                                 dut,
                                 oif,
                                 STAR,
                                 IGMP_JOIN_V6,
                                 expected=False)
    assert result is not True, (
        "Testcase {} :Failed \n "
        "Upstream ({}, {}) is still in join state \n Error: {}".format(
            tc_name, STAR, IGMP_JOIN_V6, result))

    step("r1: Verify upstream join state and join timer")
    result = verify_join_state_and_timer(tgen,
                                         dut,
                                         oif,
                                         STAR,
                                         IGMP_JOIN_V6,
                                         expected=False)
    assert result is not True, (
        "Testcase {} :Failed \n "
        "Upstream ({}, {}) timer is still running \n Error: {}".format(
            tc_name, STAR, IGMP_JOIN_V6, result))

    step("r1: Verify PIM state")
    result = verify_pim_state(tgen,
                              dut,
                              oif,
                              iif,
                              IGMP_JOIN_V6,
                              expected=False)
    assert result is not True, (
        "Testcase {} :Failed \n "
        "PIM state for group: {} is still Active \n Error: {}".format(
            tc_name, IGMP_JOIN_V6, result))

    step("r1: Verify ip mroutes")
    result = verify_mroutes(tgen,
                            dut,
                            STAR,
                            IGMP_JOIN_V6,
                            oif,
                            iif,
                            expected=False)
    assert result is not True, (
        "Testcase {} :Failed \n "
        "mroute ({}, {}) is still present \n Error: {}".format(
            tc_name, STAR, IGMP_JOIN_V6, result))

    step("r1: Verify show ip pim interface traffic without any IGMP join")
    state_after = verify_pim_interface_traffic(tgen,
                                               state_dict,
                                               addr_type="ipv6")
    assert isinstance(
        state_after, dict
    ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(
        tc_name, result)

    result = verify_state_incremented(state_before, state_after)
    assert result is True, "Testcase{} : Failed Error: {}".format(
        tc_name, result)

    write_test_footer(tc_name)
Esempio n. 5
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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)
Esempio n. 6
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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)
Esempio n. 7
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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)
Esempio n. 8
0
def test_mroute_when_transit_router_present_between_rp_and_source_dr_p1(request):
    """
    Verify mroutes when transit router present between RP and Source 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)

    result = pre_config_for_source_dr_tests(tgen, topo, tc_name, "r1", "r2")
    assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result)

    step("Taken care in base config: Add router R6 between RP and R1 , R2")

    step("R1 is the DR, mroute and upstream created on R1")

    vlan_intf_r1_s1 = "{}.{}".format(intf_r1_s1, VLAN_1)
    input_dict_dr = {
        "r1": {
            "pim": {
                "interfaces": {vlan_intf_r1_s1: {"drAddress": SAME_VLAN_IP_2["ip"]}}
            }
        }
    }
    result = verify_pim_config(tgen, input_dict_dr)
    assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result)

    step("On R1 Mroute OIL towards R6, upstream in join Rej Prune state")

    source_i1 = SAME_VLAN_IP_4["ip"]
    input_dict_r1 = [
        {
            "dut": "r1",
            "src_address": source_i1,
            "oil": topo["routers"]["r1"]["links"]["r6"]["interface"],
            "iif": "{}.{}".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,
            data["iif"],
            data["oil"],
        )
        assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result)

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

    step(
        "R5 have mroute created and traffic is received, verify using "
        "'show ip mroute json' 'show ip multicast json'"
    )

    input_dict_r5 = [
        {
            "dut": "r5",
            "src_address": "*",
            "iif": topo["routers"]["r5"]["links"]["r4"]["interface"],
            "oil": topo["routers"]["r5"]["links"]["i2"]["interface"],
        },
        {
            "dut": "r5",
            "src_address": source_i1,
            "iif": topo["routers"]["r5"]["links"]["r4"]["interface"],
            "oil": topo["routers"]["r5"]["links"]["i2"]["interface"],
        },
    ]

    for data in input_dict_r5:
        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)

    input_dict_traffic_r5 = {
        "r5": {
            "traffic_received": [topo["routers"]["r5"]["links"]["r4"]["interface"]],
            "traffic_sent": [topo["routers"]["r5"]["links"]["i2"]["interface"]],
        }
    }

    result = verify_multicast_traffic(tgen, input_dict_traffic_r5)
    assert result is True, "Testcase {}:Failed \n Error: {}".format(tc_name, result)

    step("Make R2 as DR configuring higher priority value")

    raw_config = {
        "r1": {
            "raw_config": [
                "interface {}.{}".format(intf_r1_s1, VLAN_1),
                "no ip address {}/{}".format(
                    SAME_VLAN_IP_2["ip"], SAME_VLAN_IP_1["cidr"]
                ),
                "ip address {}/{}".format(SAME_VLAN_IP_1["ip"], SAME_VLAN_IP_1["cidr"]),
            ]
        },
        "r2": {
            "raw_config": [
                "interface {}.{}".format(intf_r2_s1, VLAN_1),
                "no ip address {}/{}".format(
                    SAME_VLAN_IP_1["ip"], SAME_VLAN_IP_1["cidr"]
                ),
                "ip address {}/{}".format(SAME_VLAN_IP_2["ip"], SAME_VLAN_IP_2["cidr"]),
            ]
        },
    }

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

    step("R2 is the DR, mroute and upstream created on R2")

    vlan_intf_r2_s1 = "{}.{}".format(intf_r2_s1, VLAN_1)
    input_dict_dr = {
        "r2": {
            "pim": {
                "interfaces": {vlan_intf_r2_s1: {"drAddress": SAME_VLAN_IP_2["ip"]}}
            }
        }
    }
    result = verify_pim_config(tgen, input_dict_dr)
    assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result)

    step(
        "R5 have mroute created and traffic is received, verify using "
        "'show ip mroute json' 'show ip multicast json'"
    )

    for data in input_dict_r5:
        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_multicast_traffic(tgen, input_dict_traffic_r5)
    assert result is True, "Testcase {}:Failed \n Error: {}".format(tc_name, result)

    write_test_footer(tc_name)