]> git.puffer.fish Git - mirror/frr.git/commitdiff
tests: [PIMv6] Add multicast mld local join suite
authorAbhishek N R <abnr@vmware.com>
Tue, 7 Mar 2023 06:27:25 +0000 (22:27 -0800)
committerAbhishek N R <abnr@vmware.com>
Mon, 3 Apr 2023 11:05:26 +0000 (04:05 -0700)
Added new test suite to verify functionality
of multicast MLD local join. Added 4 different
test cases in test suite.

Signed-off-by: Kuldeep Kashyap <kashyapk@vmware.com>
Co-Authored-by: Vijay Kumar Gupta <vijayg@vmware.com>
tests/topotests/multicast_mld_join_topo1/multicast_mld_local_join.json [new file with mode: 0644]
tests/topotests/multicast_mld_join_topo1/test_multicast_mld_local_join.py [new file with mode: 0644]

diff --git a/tests/topotests/multicast_mld_join_topo1/multicast_mld_local_join.json b/tests/topotests/multicast_mld_join_topo1/multicast_mld_local_join.json
new file mode 100644 (file)
index 0000000..d7053bf
--- /dev/null
@@ -0,0 +1,249 @@
+{
+    "address_types": ["ipv6"],
+    "ipv6base": "fd00::",
+    "ipv6mask": 64,
+    "link_ip_start": {
+        "ipv6": "fd00::",
+        "v6mask": 64
+    },
+    "lo_prefix": {
+        "ipv6": "2001:db8:f::",
+        "v6mask": 128
+    },
+    "routers": {
+        "r1": {
+            "links": {
+                "r4": {"ipv6": "auto", "pim6": "enable"},
+                "r2": {"ipv6": "auto", "pim6": "enable"},
+                "r3": {"ipv6": "auto", "pim6": "enable"},
+                "i1": {"ipv6": "auto", "pim6": "enable"},
+                "i2": {"ipv6": "auto", "pim6": "enable"}
+            },
+
+            "bgp": {
+                "local_as": "100",
+                "router_id": "192.168.1.1",
+                "address_family": {
+                    "ipv4": {
+                        "unicast": {
+                            "neighbor": {
+                                "r4": {
+                                    "dest_link": {
+                                        "r1": {}
+                                    }
+                                },
+                                "r2": {
+                                    "dest_link": {
+                                        "r1": {}
+                                    }
+                                },
+                                "r3": {
+                                    "dest_link": {
+                                        "r1": {}
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "ipv6": {
+                        "unicast": {
+                            "redistribute": [
+                                {"redist_type": "static"},
+                                {"redist_type": "connected"}
+                            ],
+                            "neighbor": {
+                                "r4": {
+                                    "dest_link": {
+                                        "r1": {}
+                                    }
+                                },
+                                "r2": {
+                                    "dest_link": {
+                                        "r1": {}
+                                    }
+                                },
+                                "r3": {
+                                    "dest_link": {
+                                        "r1": {}
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        },
+        "r2": {
+            "links": {
+                "lo": {"ipv6": "auto", "type": "loopback", "pim6": "enable"},
+                "r1": {"ipv6": "auto", "pim6": "enable"},
+                "r4": {"ipv6": "auto", "pim6": "enable"}
+            },
+            "bgp": {
+                "local_as": "100",
+                "router_id": "192.168.1.2",
+                "address_family": {
+                    "ipv4": {
+                        "unicast": {
+                            "neighbor": {
+                                "r1": {
+                                    "dest_link": {
+                                        "r2": {}
+                                    }
+                                },
+                                "r4": {
+                                    "dest_link": {
+                                        "r2": {}
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "ipv6": {
+                        "unicast": {
+                            "redistribute": [
+                                {"redist_type": "static"},
+                                {"redist_type": "connected"}
+                            ],
+                            "neighbor": {
+                                "r1": {
+                                    "dest_link": {
+                                        "r2": {}
+                                    }
+                                },
+                                "r4": {
+                                    "dest_link": {
+                                        "r2": {}
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        },
+        "r3": {
+            "links": {
+                "r1": {"ipv6": "auto", "pim6": "enable"},
+                "r4": {"ipv6": "auto", "pim6": "enable"}
+            },
+            "bgp": {
+                "local_as": "100",
+                "router_id": "192.168.1.3",
+                "address_family": {
+                    "ipv4": {
+                        "unicast": {
+                            "neighbor": {
+                                "r1": {
+                                    "dest_link": {
+                                        "r3": {}
+                                    }
+                                },
+                                "r4": {
+                                    "dest_link": {
+                                        "r3": {}
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "ipv6": {
+                        "unicast": {
+                            "redistribute": [
+                                {"redist_type": "static"},
+                                {"redist_type": "connected"}
+                            ],
+                            "neighbor": {
+                                "r1": {
+                                    "dest_link": {
+                                        "r3": {}
+                                    }
+                                },
+                                "r4": {
+                                    "dest_link": {
+                                        "r3": {}
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        },
+        "r4": {
+            "links": {
+                "r2": {"ipv6": "auto", "pim6": "enable"},
+                "r3": {"ipv6": "auto", "pim6": "enable"},
+                "i4": {"ipv6": "auto", "pim6": "enable"},
+                "r1": {"ipv6": "auto", "pim6": "enable"}
+            },
+            "bgp": {
+                "local_as": "100",
+                "router_id": "192.168.1.4",
+                "address_family": {
+                    "ipv4": {
+                        "unicast": {
+                            "neighbor": {
+                                "r1": {
+                                    "dest_link": {
+                                        "r4": {}
+                                    }
+                                },
+                                "r2": {
+                                    "dest_link": {
+                                        "r4": {}
+                                    }
+                                },
+                                "r3": {
+                                    "dest_link": {
+                                        "r4": {}
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "ipv6": {
+                        "unicast": {
+                            "redistribute": [
+                                {"redist_type": "static"},
+                                {"redist_type": "connected"}
+                            ],
+                            "neighbor": {
+                                "r1": {
+                                    "dest_link": {
+                                        "r4": {}
+                                    }
+                                },
+                                "r2": {
+                                    "dest_link": {
+                                        "r4": {}
+                                    }
+                                },
+                                "r3": {
+                                    "dest_link": {
+                                        "r4": {}
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        },
+        "i1": {
+            "links": {
+                "r1": {"ipv6": "auto"}
+            }
+        },
+        "i2": {
+            "links": {
+                "r1": {"ipv6": "auto"}
+            }
+        },
+        "i4": {
+            "links": {
+                "r4": {"ipv6": "auto"}
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/tests/topotests/multicast_mld_join_topo1/test_multicast_mld_local_join.py b/tests/topotests/multicast_mld_join_topo1/test_multicast_mld_local_join.py
new file mode 100644 (file)
index 0000000..2c4fb4e
--- /dev/null
@@ -0,0 +1,915 @@
+#!/usr/bin/env python
+# SPDX-License-Identifier: ISC
+#
+# Copyright (c) 2023 by VMware, Inc. ("VMware")
+#
+
+"""
+Following tests are covered to test_multicast_pim_mld_local_tier_1:
+
+Test steps
+- Create topology (setup module)
+- Bring up topology
+
+Following tests are covered:
+
+1. Verify static MLD group populated when static "ip mld join <grp>" in configured
+2. Verify mroute and upstream populated with correct OIL/IIF with static imld join
+3. Verify local MLD join not allowed for non multicast group
+4. Verify static MLD group removed from DUT while removing "ip mld join" CLI
+5. Verify static MLD groups after removing and adding MLD config
+"""
+
+import os
+import sys
+import time
+import pytest
+
+# Save the Current Working Directory to find configuration files.
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+sys.path.append(os.path.join(CWD, "../lib/"))
+
+# Required to instantiate the topology builder class.
+
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+from lib.topogen import Topogen, get_topogen
+from re import search as re_search
+from re import findall as findall
+
+from lib.common_config import (
+    start_topology,
+    write_test_header,
+    write_test_footer,
+    step,
+    kill_router_daemons,
+    start_router_daemons,
+    reset_config_on_routers,
+    do_countdown,
+    apply_raw_config,
+    socat_send_pim6_traffic,
+)
+
+from lib.pim import (
+    create_pim_config,
+    verify_mroutes,
+    verify_upstream_iif,
+    verify_mld_groups,
+    clear_pim6_mroute,
+    McastTesterHelper,
+    verify_pim_neighbors,
+    create_mld_config,
+    verify_mld_groups,
+    verify_local_mld_groups,
+    verify_pim_rp_info,
+)
+from lib.topolog import logger
+from lib.topojson import build_config_from_json
+
+r1_r2_links = []
+r1_r3_links = []
+r2_r1_links = []
+r2_r4_links = []
+r3_r1_links = []
+r3_r4_links = []
+r4_r2_links = []
+r4_r3_links = []
+
+pytestmark = [pytest.mark.pim6d, pytest.mark.staticd]
+
+TOPOLOGY = """
+               +-------------------+
+               |                   |
+        i1--- R1-------R2----------R4---i2
+               |                   |
+               +-------R3----------+
+
+
+    Description:
+    i1, i2, i3. i4, i5, i6, i7, i8 - FRR running iperf to send MLD
+                                     join and traffic
+    R1 - DUT (LHR)
+    R2 - RP
+    R3 - Transit
+    R4 - (FHR)
+
+"""
+# Global variables
+
+GROUP_RANGE = "ffaa::/16"
+RP_RANGE = "ff00::/8"
+GROUP_RANGE_1 = [
+    "ffaa::1/128",
+    "ffaa::2/128",
+    "ffaa::3/128",
+    "ffaa::4/128",
+    "ffaa::5/128",
+]
+MLD_JOIN_RANGE_1 = ["ffaa::1", "ffaa::2", "ffaa::3", "ffaa::4", "ffaa::5"]
+MLD_JOIN_RANGE_2 = [
+    "ff02::1:ff00:0",
+    "ff02::d",
+    "fe80::250:56ff:feb7:d8d5",
+    "2001::4",
+    "2002::5",
+]
+
+
+def setup_module(mod):
+    """
+    Sets up the pytest environment
+
+    * `mod`: module name
+    """
+
+    testsuite_run_time = time.asctime(time.localtime(time.time()))
+    logger.info("Testsuite start time: {}".format(testsuite_run_time))
+    logger.info("=" * 40)
+    logger.info("Master Topology: \n {}".format(TOPOLOGY))
+
+    logger.info("Running setup_module to create topology")
+
+    # This function initiates the topology build with Topogen...
+    json_file = "{}/multicast_mld_local_join.json".format(CWD)
+    tgen = Topogen(json_file, mod.__name__)
+    global topo
+    topo = tgen.json_topo
+    # ... and here it calls Mininet initialization functions.
+
+    # Starting topology, create tmp files which are loaded to routers
+    #  to start daemons and then start routers
+    start_topology(tgen)
+
+    # Don"t run this test if we have any failure.
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    # Creating configuration from JSON
+    build_config_from_json(tgen, topo)
+    # Verify PIM neighbors
+    result = verify_pim_neighbors(tgen, topo)
+    assert result is True, " Verify PIM neighbor: Failed Error: {}".format(result)
+
+    logger.info("Running setup_module() done")
+
+
+def teardown_module():
+    """Teardown the pytest environment"""
+
+    logger.info("Running teardown_module to delete topology")
+
+    tgen = get_topogen()
+
+    # Stop toplogy and Remove tmp files
+    tgen.stop_topology()
+
+    logger.info(
+        "Testsuite end time: {}".format(time.asctime(time.localtime(time.time())))
+    )
+    logger.info("=" * 40)
+
+
+#####################################################
+#
+#   Testcases
+#
+#####################################################
+
+
+def test_mld_local_joins_p0(request):
+    """
+    Verify static MLD group populated when static
+    "ipv6 mld join <grp>" in configured
+    """
+
+    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)
+
+    reset_config_on_routers(tgen)
+
+    step("configure BGP on R1, R2, R3, R4 and enable redistribute static/connected")
+    step("Enable the MLD on R11 interfac of R1 and configure local mld groups")
+    intf_r1_i1 = topo["routers"]["r1"]["links"]["i1"]["interface"]
+    intf_r1_i2 = topo["routers"]["r1"]["links"]["i2"]["interface"]
+    input_dict = {
+        "r1": {
+            "mld": {
+                "interfaces": {
+                    intf_r1_i1: {"mld": {"version": "1", "join": MLD_JOIN_RANGE_1}},
+                    intf_r1_i2: {"mld": {"version": "1", "join": MLD_JOIN_RANGE_1}},
+                }
+            }
+        }
+    }
+
+    result = create_mld_config(tgen, topo, input_dict)
+    assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)
+
+    step("Configure static RP for (ffaa::1-5) as R2")
+
+    input_dict = {
+        "r2": {
+            "pim6": {
+                "rp": [
+                    {
+                        "rp_addr": topo["routers"]["r2"]["links"]["lo"]["ipv6"].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("verify static mld join using show ipv6  mld join")
+    dut = "r1"
+    interfaces = [intf_r1_i1, intf_r1_i2]
+    for interface in interfaces:
+        result = verify_local_mld_groups(tgen, dut, interface, MLD_JOIN_RANGE_1)
+        assert result is True, "Testcase {} :Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step("verify mld groups using show ipv6  mld groups")
+    interfaces = [intf_r1_i1, intf_r1_i2]
+    for interface in interfaces:
+        result = verify_mld_groups(tgen, dut, interface, MLD_JOIN_RANGE_1)
+        assert result is True, "Testcase {} :Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    write_test_footer(tc_name)
+
+
+def test_mroute_with_mld_local_joins_p0(request):
+    """
+    Verify mroute and upstream populated with correct OIL/IIF with
+    static mld join
+    """
+    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)
+
+    reset_config_on_routers(tgen)
+
+    step("Enable the PIM on all the interfaces of R1, R2, R3, R4")
+    step("configure BGP on R1, R2, R3, R4 and enable redistribute static/connected")
+    step("Enable the MLD on R11 interfac of R1 and configure local mld groups")
+
+    intf_r1_i1 = topo["routers"]["r1"]["links"]["i1"]["interface"]
+    intf_r1_i2 = topo["routers"]["r1"]["links"]["i2"]["interface"]
+    input_dict = {
+        "r1": {
+            "mld": {
+                "interfaces": {
+                    intf_r1_i1: {"mld": {"version": "1", "join": MLD_JOIN_RANGE_1}},
+                    intf_r1_i2: {"mld": {"version": "1", "join": MLD_JOIN_RANGE_1}},
+                }
+            }
+        }
+    }
+
+    result = create_mld_config(tgen, topo, input_dict)
+    assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)
+
+    step("Configure static RP for (ffaa::1-5) as R2")
+
+    input_dict = {
+        "r2": {
+            "pim6": {
+                "rp": [
+                    {
+                        "rp_addr": topo["routers"]["r2"]["links"]["lo"]["ipv6"].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("verify static mld join using show ipv6  mld join")
+    dut = "r1"
+    interfaces = [intf_r1_i1, intf_r1_i2]
+    for interface in interfaces:
+        result = verify_local_mld_groups(tgen, dut, interface, MLD_JOIN_RANGE_1)
+        assert result is True, "Testcase {} :Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step("verify mld groups using show ipv6  mld groups")
+    interfaces = [intf_r1_i1, intf_r1_i2]
+    for interface in interfaces:
+        result = verify_mld_groups(tgen, dut, interface, MLD_JOIN_RANGE_1)
+        assert result is True, "Testcase {} :Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step("verify RP-info populated in DUT")
+    dut = "r1"
+    rp_address = topo["routers"]["r2"]["links"]["lo"]["ipv6"].split("/")[0]
+    SOURCE = "Static"
+    oif = topo["routers"]["r1"]["links"]["r2"]["interface"]
+    result = verify_pim_rp_info(tgen, topo, dut, GROUP_RANGE_1, oif, rp_address, SOURCE)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    step("Send traffic from R4 to all the groups ( ffaa::1 to ffaa::5)")
+    intf_ip = topo["routers"]["i4"]["links"]["r4"]["ipv6"].split("/")[0]
+    intf = topo["routers"]["i4"]["links"]["r4"]["interface"]
+    result = socat_send_pim6_traffic(tgen, "i4", "UDP6-SEND", MLD_JOIN_RANGE_1, intf)
+    assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)
+
+    step(
+        "'show ipv6  mroute' showing correct RPF and OIF interface for (*,G)"
+        " and (S,G) entries on all the nodes"
+    )
+    source_i6 = topo["routers"]["i4"]["links"]["r4"]["ipv6"].split("/")[0]
+
+    intf_r1_r2 = topo["routers"]["r1"]["links"]["r2"]["interface"]
+
+    input_dict_starg = [
+        {
+            "dut": "r1",
+            "src_address": "*",
+            "iif": intf_r1_r2,
+            "oil": topo["routers"]["r1"]["links"]["i1"]["interface"],
+        },
+        {
+            "dut": "r1",
+            "src_address": "*",
+            "iif": intf_r1_r2,
+            "oil": topo["routers"]["r1"]["links"]["i2"]["interface"],
+        },
+    ]
+
+    input_dict_sg = [
+        {
+            "dut": "r1",
+            "src_address": source_i6,
+            "iif": topo["routers"]["r1"]["links"]["r4"]["interface"],
+            "oil": topo["routers"]["r1"]["links"]["i1"]["interface"],
+        },
+        {
+            "dut": "r1",
+            "src_address": source_i6,
+            "iif": topo["routers"]["r1"]["links"]["r4"]["interface"],
+            "oil": topo["routers"]["r1"]["links"]["i2"]["interface"],
+        },
+    ]
+
+    step("Verify mroutes and iff upstream for local mld groups")
+    for input_dict in [input_dict_starg, input_dict_sg]:
+        for data in input_dict:
+            result = verify_mroutes(
+                tgen,
+                data["dut"],
+                data["src_address"],
+                MLD_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"], MLD_JOIN_RANGE_1
+            )
+            assert result is True, "Testcase {} : Failed Error: {}".format(
+                tc_name, result
+            )
+
+    step("Verify mroutes not created with local interface ip ")
+    input_dict_local_sg = [
+        {
+            "dut": "r1",
+            "src_address": intf_r1_i1,
+            "iif": topo["routers"]["r1"]["links"]["r4"]["interface"],
+            "oil": topo["routers"]["r1"]["links"]["i1"]["interface"],
+        },
+        {
+            "dut": "r1",
+            "src_address": intf_r1_i2,
+            "iif": topo["routers"]["r1"]["links"]["r4"]["interface"],
+            "oil": topo["routers"]["r1"]["links"]["i2"]["interface"],
+        },
+    ]
+
+    for data in input_dict_local_sg:
+        result = verify_mroutes(
+            tgen,
+            data["dut"],
+            data["src_address"],
+            MLD_JOIN_RANGE_1,
+            data["iif"],
+            data["oil"],
+            expected=False,
+        )
+        assert result is not True, (
+            "Testcase {} : Failed Error: {}"
+            "sg created with local interface ip".format(tc_name, result)
+        )
+
+        result = verify_upstream_iif(
+            tgen,
+            data["dut"],
+            data["iif"],
+            data["src_address"],
+            MLD_JOIN_RANGE_1,
+            expected=False,
+        )
+        assert result is not True, (
+            "Testcase {} : Failed Error: {}"
+            "upstream created with local interface ip".format(tc_name, result)
+        )
+
+    write_test_footer(tc_name)
+
+
+def test_remove_add_mld_local_joins_p1(request):
+    """
+    Verify static MLD group removed from DUT while
+    removing "ip mld join" CLI
+    """
+
+    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)
+
+    reset_config_on_routers(tgen)
+
+    step("Enable the PIM on all the interfaces of R1, R2, R3, R4")
+    step("configure BGP on R1, R2, R3, R4 and enable redistribute static/connected")
+    step("Enable the MLD on R11 interfac of R1 and configure local mld groups")
+
+    intf_r1_i1 = topo["routers"]["r1"]["links"]["i1"]["interface"]
+
+    input_dict = {
+        "r1": {
+            "mld": {
+                "interfaces": {
+                    intf_r1_i1: {"mld": {"version": "1", "join": MLD_JOIN_RANGE_1}}
+                }
+            }
+        }
+    }
+
+    result = create_mld_config(tgen, topo, input_dict)
+    assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)
+
+    step("Configure static RP for (ffaa::1-5) as R2")
+
+    input_dict = {
+        "r2": {
+            "pim6": {
+                "rp": [
+                    {
+                        "rp_addr": topo["routers"]["r2"]["links"]["lo"]["ipv6"].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("verify static mld join using show ipv6  mld join")
+    dut = "r1"
+    interface = intf_r1_i1
+    result = verify_local_mld_groups(tgen, dut, interface, MLD_JOIN_RANGE_1)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    step("verify mld groups using show ipv6  mld groups")
+
+    interface = intf_r1_i1
+    result = verify_mld_groups(tgen, dut, interface, MLD_JOIN_RANGE_1)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    step("verify RP-info populated in DUT")
+    dut = "r1"
+    rp_address = topo["routers"]["r2"]["links"]["lo"]["ipv6"].split("/")[0]
+    SOURCE = "Static"
+    oif = topo["routers"]["r1"]["links"]["r2"]["interface"]
+    result = verify_pim_rp_info(tgen, topo, dut, GROUP_RANGE_1, oif, rp_address, SOURCE)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    step("Send traffic from R4 to all the groups ( ffaa::1 to ffaa::5)")
+    intf_ip = topo["routers"]["i4"]["links"]["r4"]["ipv6"].split("/")[0]
+    intf = topo["routers"]["i4"]["links"]["r4"]["interface"]
+    result = socat_send_pim6_traffic(tgen, "i4", "UDP6-SEND", MLD_JOIN_RANGE_1, intf)
+    assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)
+
+    step(
+        "'show ipv6  mroute' showing correct RPF and OIF interface for (*,G)"
+        " and (S,G) entries on all the nodes"
+    )
+    source_i6 = topo["routers"]["i4"]["links"]["r4"]["ipv6"].split("/")[0]
+
+    intf_r1_r2 = topo["routers"]["r1"]["links"]["r2"]["interface"]
+    input_dict_starg = [
+        {
+            "dut": "r1",
+            "src_address": "*",
+            "iif": intf_r1_r2,
+            "oil": topo["routers"]["r1"]["links"]["i1"]["interface"],
+        }
+    ]
+
+    input_dict_sg = [
+        {
+            "dut": "r1",
+            "src_address": source_i6,
+            "iif": topo["routers"]["r1"]["links"]["r4"]["interface"],
+            "oil": topo["routers"]["r1"]["links"]["i1"]["interface"],
+        }
+    ]
+
+    step("Verify mroutes and iff upstream for local mld groups")
+    for input_dict in [input_dict_starg, input_dict_sg]:
+        for data in input_dict:
+            result = verify_mroutes(
+                tgen,
+                data["dut"],
+                data["src_address"],
+                MLD_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"], MLD_JOIN_RANGE_1
+            )
+            assert result is True, "Testcase {} : Failed Error: {}".format(
+                tc_name, result
+            )
+
+    step("Remove MLD join from DUT")
+    input_dict = {
+        "r1": {
+            "mld": {
+                "interfaces": {
+                    intf_r1_i1: {
+                        "mld": {
+                            "join": MLD_JOIN_RANGE_1,
+                            "delete_attr": True,
+                        }
+                    }
+                }
+            }
+        }
+    }
+    result = create_mld_config(tgen, topo, input_dict)
+    assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)
+
+    step("verify static mld join removed using show ipv6  mld join")
+    dut = "r1"
+    interface = intf_r1_i1
+    result = verify_local_mld_groups(
+        tgen, dut, interface, MLD_JOIN_RANGE_1, expected=False
+    )
+    assert (
+        result is not True
+    ), "Testcase {} :Failed \n Error: {}" "MLD join still present".format(
+        tc_name, result
+    )
+
+    step("verify mld groups removed using show ipv6  mld groups")
+    interface = intf_r1_i1
+    result = verify_mld_groups(tgen, dut, interface, MLD_JOIN_RANGE_1, expected=False)
+    assert (
+        result is not True
+    ), "Testcase {} :Failed \n Error: {}" "MLD groups still present".format(
+        tc_name, result
+    )
+
+    step("Verify mroutes and iff upstream for local mld groups")
+    for input_dict in [input_dict_starg, input_dict_sg]:
+        for data in input_dict:
+            result = verify_mroutes(
+                tgen,
+                data["dut"],
+                data["src_address"],
+                MLD_JOIN_RANGE_1,
+                data["iif"],
+                data["oil"],
+                expected=False,
+            )
+            assert (
+                result is not True
+            ), "Testcase {} : Failed Error: {}" "mroutes still present".format(
+                tc_name, result
+            )
+
+            result = verify_upstream_iif(
+                tgen,
+                data["dut"],
+                data["iif"],
+                data["src_address"],
+                MLD_JOIN_RANGE_1,
+                expected=False,
+            )
+            assert (
+                result is not True
+            ), "Testcase {} : Failed Error: {}" "mroutes still present".format(
+                tc_name, result
+            )
+
+    step("Add MLD join on DUT again")
+    input_dict = {
+        "r1": {
+            "mld": {
+                "interfaces": {
+                    intf_r1_i1: {
+                        "mld": {
+                            "join": MLD_JOIN_RANGE_1,
+                        }
+                    }
+                }
+            }
+        }
+    }
+    result = create_mld_config(tgen, topo, input_dict)
+    assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)
+
+    step("verify static mld join using show ipv6  mld join")
+    dut = "r1"
+    interface = intf_r1_i1
+    result = verify_local_mld_groups(tgen, dut, interface, MLD_JOIN_RANGE_1)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    step("verify mld groups using show ipv6  mld groups")
+
+    interface = intf_r1_i1
+    result = verify_mld_groups(tgen, dut, interface, MLD_JOIN_RANGE_1)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    step("Verify mroutes and iff upstream for local mld groups")
+    for input_dict in [input_dict_starg, input_dict_sg]:
+        for data in input_dict:
+            result = verify_mroutes(
+                tgen,
+                data["dut"],
+                data["src_address"],
+                MLD_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"], MLD_JOIN_RANGE_1
+            )
+            assert result is True, "Testcase {} : Failed Error: {}".format(
+                tc_name, result
+            )
+
+    write_test_footer(tc_name)
+
+
+def test_remove_add_mld_config_with_local_joins_p1(request):
+    """
+    Verify static MLD groups after removing
+    and adding MLD config
+    """
+
+    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)
+
+    reset_config_on_routers(tgen)
+
+    step("Enable the PIM on all the interfaces of R1, R2, R3, R4")
+    step("configure BGP on R1, R2, R3, R4 and enable redistribute static/connected")
+    step("Enable the MLD on R11 interfac of R1 and configure local mld groups")
+
+    intf_r1_i1 = topo["routers"]["r1"]["links"]["i1"]["interface"]
+    input_dict = {
+        "r1": {
+            "mld": {
+                "interfaces": {
+                    intf_r1_i1: {"mld": {"version": "1", "join": MLD_JOIN_RANGE_1}}
+                }
+            }
+        }
+    }
+
+    result = create_mld_config(tgen, topo, input_dict)
+    assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)
+
+    step("Configure static RP for (ffaa::1-5) as R2")
+
+    input_dict = {
+        "r2": {
+            "pim6": {
+                "rp": [
+                    {
+                        "rp_addr": topo["routers"]["r2"]["links"]["lo"]["ipv6"].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("verify static mld join using show ipv6  mld join")
+    dut = "r1"
+    interface = intf_r1_i1
+    result = verify_local_mld_groups(tgen, dut, interface, MLD_JOIN_RANGE_1)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    step("verify mld groups using show ipv6  mld groups")
+    interface = intf_r1_i1
+    result = verify_mld_groups(tgen, dut, interface, MLD_JOIN_RANGE_1)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    step("Send traffic from R4 to all the groups ( ffaa::1 to ffaa::5)")
+    intf_ip = topo["routers"]["i4"]["links"]["r4"]["ipv6"].split("/")[0]
+    intf = topo["routers"]["i4"]["links"]["r4"]["interface"]
+    result = socat_send_pim6_traffic(tgen, "i4", "UDP6-SEND", MLD_JOIN_RANGE_1, intf)
+    assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)
+
+    step(
+        "'show ipv6  mroute' showing correct RPF and OIF interface for (*,G)"
+        " and (S,G) entries on all the nodes"
+    )
+    source_i6 = topo["routers"]["i4"]["links"]["r4"]["ipv6"].split("/")[0]
+
+    intf_r1_r2 = topo["routers"]["r1"]["links"]["r2"]["interface"]
+    input_dict_starg = [
+        {
+            "dut": "r1",
+            "src_address": "*",
+            "iif": intf_r1_r2,
+            "oil": topo["routers"]["r1"]["links"]["i1"]["interface"],
+        }
+    ]
+
+    input_dict_sg = [
+        {
+            "dut": "r1",
+            "src_address": source_i6,
+            "iif": topo["routers"]["r1"]["links"]["r4"]["interface"],
+            "oil": topo["routers"]["r1"]["links"]["i1"]["interface"],
+        }
+    ]
+
+    step("Verify mroutes and iff upstream for local mld groups")
+    for input_dict in [input_dict_starg, input_dict_sg]:
+        for data in input_dict:
+            result = verify_mroutes(
+                tgen,
+                data["dut"],
+                data["src_address"],
+                MLD_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"], MLD_JOIN_RANGE_1
+            )
+            assert result is True, "Testcase {} : Failed Error: {}".format(
+                tc_name, result
+            )
+
+    step("Remove mld and mld version 2 from DUT interface")
+    input_dict = {
+        "r1": {
+            "mld": {
+                "interfaces": {intf_r1_i1: {"mld": {"version": "1", "delete": True}}}
+            }
+        }
+    }
+
+    result = create_mld_config(tgen, topo, input_dict)
+    assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)
+
+    step("verify static mld join using show ipv6  mld join")
+    dut = "r1"
+    interface = intf_r1_i1
+    result = verify_local_mld_groups(
+        tgen, dut, interface, MLD_JOIN_RANGE_1, expected=False
+    )
+    assert result is not True, "Testcase {} :Failed \n Error: {}".format(
+        tc_name, result
+    )
+
+    step("verify mld groups using show ipv6  mld groups")
+    interface = intf_r1_i1
+    result = verify_mld_groups(tgen, dut, interface, MLD_JOIN_RANGE_1, expected=False)
+    assert (
+        result is not True
+    ), "Testcase {} :Failed \n Error: {}" "MLD grsp still present".format(
+        tc_name, result
+    )
+
+    step("Verify mroutes and iff upstream for local mld groups")
+    for input_dict in [input_dict_starg, input_dict_sg]:
+        for data in input_dict:
+            result = verify_mroutes(
+                tgen,
+                data["dut"],
+                data["src_address"],
+                MLD_JOIN_RANGE_1,
+                data["iif"],
+                data["oil"],
+                expected=False,
+            )
+            assert (
+                result is not True
+            ), "Testcase {} : Failed Error: {}" "mroutes still present".format(
+                tc_name, result
+            )
+
+    step("Add mld and mld version 2 from DUT interface")
+    input_dict = {
+        "r1": {
+            "mld": {
+                "interfaces": {
+                    intf_r1_i1: {"mld": {"version": "1", "join": MLD_JOIN_RANGE_1}}
+                }
+            }
+        }
+    }
+
+    result = create_mld_config(tgen, topo, input_dict)
+    assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)
+
+    step("verify static mld join using show ipv6  mld join")
+    dut = "r1"
+    interface = intf_r1_i1
+    result = verify_local_mld_groups(tgen, dut, interface, MLD_JOIN_RANGE_1)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    step("verify mld groups using show ipv6 mld groups")
+    interface = intf_r1_i1
+    result = verify_mld_groups(tgen, dut, interface, MLD_JOIN_RANGE_1)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    step("Verify mroutes and iff upstream for local mld groups")
+    for input_dict in [input_dict_starg, input_dict_sg]:
+        for data in input_dict:
+            result = verify_mroutes(
+                tgen,
+                data["dut"],
+                data["src_address"],
+                MLD_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"], MLD_JOIN_RANGE_1
+            )
+            assert result is True, "Testcase {} : Failed Error: {}".format(
+                tc_name, result
+            )
+
+    write_test_footer(tc_name)
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))