Adding upstream version 8.4.4.upstream/8.4.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2033 insertions, 0 deletions

diff --git a/tests/topotests/static_routing_with_ibgp/test_static_routes_topo2_ibgp.py b/tests/topotests/static_routing_with_ibgp/test_static_routes_topo2_ibgp.py
new file mode 100644
index 0000000..350a117
--- /dev/null
+++ b/tests/topotests/static_routing_with_ibgp/test_static_routes_topo2_ibgp.py
@@ -0,0 +1,2033 @@
+#!/usr/bin/python
+
+#
+# Copyright (c) 2020 by VMware, Inc. ("VMware")
+# Used Copyright (c) 2018 by Network Device Education Foundation,
+# Inc. ("NetDEF") in this file.
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND VMWARE DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+#
+
+
+"""
+    -Verify static route functionality with 8 next hop different AD value
+    and BGP ECMP
+
+    -Verify 8 static route functionality with 8 next hop different AD
+
+    -Verify static route with 8 next hop with different AD value and 8
+    EBGP neighbors
+
+    -Verify static route with 8 next hop with different AD value and 8
+    IBGP neighbors
+
+    -Delete the static route and verify the RIB and FIB state
+
+    -Verify 8 static route functionality with 8 ECMP next hop
+"""
+import sys
+import time
+import os
+import pytest
+import platform
+import random
+
+# 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/"))
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+from lib.topogen import Topogen, get_topogen
+
+# Import topoJson from lib, to create topology and initial configuration
+from lib.common_config import (
+    start_topology,
+    write_test_header,
+    write_test_footer,
+    reset_config_on_routers,
+    verify_rib,
+    create_static_routes,
+    check_address_types,
+    step,
+    shutdown_bringup_interface,
+    stop_router,
+    start_router,
+)
+from lib.topolog import logger
+from lib.bgp import verify_bgp_convergence, create_router_bgp, verify_bgp_rib
+from lib.topojson import build_config_from_json
+from lib.topotest import version_cmp
+
+pytestmark = [pytest.mark.bgpd, pytest.mark.staticd]
+
+# Global variables
+BGP_CONVERGENCE = False
+ADDR_TYPES = check_address_types()
+NETWORK = {
+    "ipv4": [
+        "11.0.20.1/32",
+        "11.0.20.2/32",
+        "11.0.20.3/32",
+        "11.0.20.4/32",
+        "11.0.20.5/32",
+        "11.0.20.6/32",
+        "11.0.20.7/32",
+        "11.0.20.8/32",
+    ],
+    "ipv6": [
+        "2::1/128",
+        "2::2/128",
+        "2::3/128",
+        "2::4/128",
+        "2::5/128",
+        "2::6/128",
+        "2::7/128",
+        "2::8/128",
+    ],
+}
+PREFIX1 = {"ipv4": "110.0.20.1/32", "ipv6": "20::1/128"}
+PREFIX2 = {"ipv4": "110.0.20.2/32", "ipv6": "20::2/128"}
+NEXT_HOP_IP = []
+topo_diag = """
+          Please view in a fixed-width font such as Courier.
+    +------+              +------+              +------+
+    |      +--------------+      +--------------+      |
+    |      |              |      |              |      |
+    |  R1  +---8 links----+ R2   +---8 links----+ R3   |
+    |      |              |      |              |      |
+    |      +--------------+      +--------------+      |
+    +------+              +------+              +------+
+
+"""
+
+
+def setup_module(mod):
+    """
+
+    Set 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("Running setup_module to create topology")
+
+    # This function initiates the topology build with Topogen...
+    json_file = "{}/static_routes_topo2_ibgp.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)
+
+    # Creating configuration from JSON
+    build_config_from_json(tgen, topo)
+
+    if version_cmp(platform.release(), "4.19") < 0:
+        error_msg = (
+            'These tests will not run. (have kernel "{}", '
+            "requires kernel >= 4.19)".format(platform.release())
+        )
+        pytest.skip(error_msg)
+
+    # Checking BGP convergence
+    global BGP_CONVERGENCE
+    global ADDR_TYPES
+
+    # Don't run this test if we have any failure.
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    # Api call verify whether BGP is converged
+    BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+    assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error: {}".format(
+        BGP_CONVERGENCE
+    )
+
+    logger.info("Running setup_module() done")
+
+
+def teardown_module(mod):
+    """
+    Teardown the pytest environment
+
+    * `mod`: module name
+    """
+
+    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)
+
+
+def populate_nh():
+    NEXT_HOP_IP = {
+        "nh1": {
+            "ipv4": topo["routers"]["r1"]["links"]["r2-link0"]["ipv4"].split("/")[0],
+            "ipv6": topo["routers"]["r1"]["links"]["r2-link0"]["ipv6"].split("/")[0],
+        },
+        "nh2": {
+            "ipv4": topo["routers"]["r1"]["links"]["r2-link1"]["ipv4"].split("/")[0],
+            "ipv6": topo["routers"]["r1"]["links"]["r2-link1"]["ipv6"].split("/")[0],
+        },
+        "nh3": {
+            "ipv4": topo["routers"]["r1"]["links"]["r2-link2"]["ipv4"].split("/")[0],
+            "ipv6": topo["routers"]["r1"]["links"]["r2-link2"]["ipv6"].split("/")[0],
+        },
+        "nh4": {
+            "ipv4": topo["routers"]["r1"]["links"]["r2-link3"]["ipv4"].split("/")[0],
+            "ipv6": topo["routers"]["r1"]["links"]["r2-link3"]["ipv6"].split("/")[0],
+        },
+        "nh5": {
+            "ipv4": topo["routers"]["r1"]["links"]["r2-link4"]["ipv4"].split("/")[0],
+            "ipv6": topo["routers"]["r1"]["links"]["r2-link4"]["ipv6"].split("/")[0],
+        },
+        "nh6": {
+            "ipv4": topo["routers"]["r1"]["links"]["r2-link5"]["ipv4"].split("/")[0],
+            "ipv6": topo["routers"]["r1"]["links"]["r2-link5"]["ipv6"].split("/")[0],
+        },
+        "nh7": {
+            "ipv4": topo["routers"]["r1"]["links"]["r2-link6"]["ipv4"].split("/")[0],
+            "ipv6": topo["routers"]["r1"]["links"]["r2-link6"]["ipv6"].split("/")[0],
+        },
+        "nh8": {
+            "ipv4": topo["routers"]["r1"]["links"]["r2-link7"]["ipv4"].split("/")[0],
+            "ipv6": topo["routers"]["r1"]["links"]["r2-link7"]["ipv6"].split("/")[0],
+        },
+    }
+    return NEXT_HOP_IP
+
+
+#####################################################
+#
+#   Tests starting
+#
+#####################################################
+
+
+def test_static_rte_with_8ecmp_nh_p1_tc9_ibgp(request):
+    """
+    Verify 8 static route functionality with 8 ECMP next hop
+
+    """
+    tc_name = request.node.name
+    write_test_header(tc_name)
+    tgen = get_topogen()
+    # Don't run this test if we have any failure.
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+    NEXT_HOP_IP = populate_nh()
+    step("Configure 8 interfaces / links between R1 and R2")
+    step("Configure 8 interfaces / links between R2 and R3")
+    step("Configure 8 IBGP IPv4 peering between R2 and R3 router.")
+    reset_config_on_routers(tgen)
+
+    step(
+        "Configure 8 IPv4 static route in R2 with 8 next hop"
+        "N1(21.1.1.2) , N2(22.1.1.2) , N3(23.1.1.2) , N4(24.1.1.2) ,"
+        "N5(25.1.1.2) , N6(26.1.1.2) , N7(27.1.1.2) , N8(28.1.1.2) ,"
+        "Static route next-hop present on R1"
+    )
+    nh_all = {}
+    for addr_type in ADDR_TYPES:
+        # Enable static routes
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                        }
+                    ]
+                }
+            }
+            logger.info("Configure static routes")
+            result = create_static_routes(tgen, input_dict_4)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+        logger.info("Verifying %s routes on r2", addr_type)
+        nh_all[addr_type] = [
+            NEXT_HOP_IP["nh1"][addr_type],
+            NEXT_HOP_IP["nh2"][addr_type],
+            NEXT_HOP_IP["nh3"][addr_type],
+            NEXT_HOP_IP["nh4"][addr_type],
+            NEXT_HOP_IP["nh5"][addr_type],
+            NEXT_HOP_IP["nh6"][addr_type],
+            NEXT_HOP_IP["nh7"][addr_type],
+            NEXT_HOP_IP["nh8"][addr_type],
+        ]
+
+        dut = "r2"
+        protocol = "static"
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_4,
+            next_hop=nh_all[addr_type],
+            protocol=protocol,
+        )
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
+
+    step("Configure redistribute static in BGP on R2 router")
+    for addr_type in ADDR_TYPES:
+        input_dict_2 = {
+            "r2": {
+                "bgp": {
+                    "address_family": {
+                        addr_type: {
+                            "unicast": {"redistribute": [{"redist_type": "static"}]}
+                        }
+                    }
+                }
+            }
+        }
+        result = create_router_bgp(tgen, topo, input_dict_2)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+        dut = "r3"
+        protocol = "bgp"
+        result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
+
+    step(
+        "Remove the static route configured with nexthop N1 to N8, one"
+        "by one from running config"
+    )
+    dut = "r2"
+    protocol = "static"
+    step(
+        "After removing the static route with N1 to N8 one by one , "
+        "verify that entry is removed from RIB and FIB of R3 "
+    )
+    for addr_type in ADDR_TYPES:
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "delete": True,
+                        }
+                    ]
+                }
+            }
+            logger.info("Configure static routes")
+            result = create_static_routes(tgen, input_dict_4)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+
+            step(
+                "After removing the static route with N1 to N8 one by one , "
+                "verify that entry is removed from RIB and FIB of R3 "
+            )
+            nh = NEXT_HOP_IP["nh" + str(nhp)][addr_type]
+            result = verify_rib(
+                tgen,
+                addr_type,
+                dut,
+                input_dict_4,
+                next_hop=nh,
+                protocol=protocol,
+                expected=False,
+            )
+            assert (
+                result is not True
+            ), "Testcase {} : Failed\nError: Routes is" " still present in RIB".format(
+                tc_name
+            )
+
+    step("Configure the static route with nexthop N1 to N8, one by one")
+    for addr_type in ADDR_TYPES:
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                        }
+                    ]
+                }
+            }
+            logger.info("Configure static routes")
+            result = create_static_routes(tgen, input_dict_4)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+
+            nh = NEXT_HOP_IP["nh" + str(nhp)][addr_type]
+            result = verify_rib(
+                tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
+            )
+            assert (
+                result is True
+            ), "Testcase {} : Failed\nError: Routes are" " missing in RIB".format(
+                tc_name
+            )
+
+    protocol = "static"
+    step("Random shut of the nexthop interfaces")
+    randnum = random.randint(0, 7)
+    # Shutdown interface
+    dut = "r2"
+    step(
+        " interface which is about to be shut no shut between r1 and r2 is %s",
+        topo["routers"]["r2"]["links"]["r1-link{}".format(randnum)]["interface"],
+    )
+    intf = topo["routers"]["r2"]["links"]["r1-link{}".format(randnum)]["interface"]
+    shutdown_bringup_interface(tgen, dut, intf, False)
+
+    step("Random no shut of the nexthop interfaces")
+    # Bringup interface
+    shutdown_bringup_interface(tgen, dut, intf, True)
+
+    step(
+        "After random shut/no shut of nexthop , only that "
+        "nexthop deleted/added from all the routes , other nexthop remain "
+        "unchanged"
+    )
+    dut = "r2"
+    protocol = "static"
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                    }
+                ]
+            }
+        }
+    result = verify_rib(
+        tgen,
+        addr_type,
+        dut,
+        input_dict_4,
+        next_hop=nh_all[addr_type],
+        protocol=protocol,
+    )
+    assert (
+        result is True
+    ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
+
+    step("Remove random static route with all the nexthop")
+    dut = "r2"
+    randnum = random.randint(1, 7)
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh" + str(randnum)][addr_type],
+                        "delete": True,
+                    }
+                ]
+            }
+        }
+        logger.info("Configure static routes")
+        result = create_static_routes(tgen, input_dict_4)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+        step(
+            "After delete of random route , that route only got deleted from"
+            " RIB/FIB other route are showing properly"
+        )
+        nh = NEXT_HOP_IP["nh{}".format(randnum)][addr_type]
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_4,
+            next_hop=nh,
+            protocol=protocol,
+            expected=False,
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
+
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh" + str(randnum)][addr_type],
+                    }
+                ]
+            }
+        }
+        logger.info("Configure static routes")
+        result = create_static_routes(tgen, input_dict_4)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step("Reload the FRR router")
+    # stop/start -> restart FRR router and verify
+    stop_router(tgen, "r2")
+    start_router(tgen, "r2")
+
+    step(
+        "After reload of FRR router , static route "
+        "installed in RIB and FIB properly ."
+    )
+    for addr_type in ADDR_TYPES:
+        # Enable static routes
+        nhp = 1
+        input_dict_4 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                    }
+                ]
+            }
+        }
+        logger.info("Verifying %s routes on r2", addr_type)
+        dut = "r2"
+        protocol = "static"
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_4,
+            next_hop=nh_all[addr_type],
+            protocol=protocol,
+        )
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
+
+    step("Remove the redistribute static knob")
+    for addr_type in ADDR_TYPES:
+        input_dict_2 = {
+            "r2": {
+                "bgp": {
+                    "address_family": {
+                        addr_type: {
+                            "unicast": {
+                                "redistribute": [
+                                    {"redist_type": "static", "delete": True}
+                                ]
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        result = create_router_bgp(tgen, topo, input_dict_2)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+        step(
+            "After removing the BGP neighbor or redistribute static knob , "
+            "verify route got clear from RIB and FIB of R3 routes "
+        )
+        dut = "r3"
+        protocol = "bgp"
+        result = verify_rib(
+            tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+            tc_name
+        )
+
+    write_test_footer(tc_name)
+
+
+def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
+    """
+    Verify static route functionality with 8 next hop different AD
+    value and BGP ECMP
+
+    """
+    tc_name = request.node.name
+    write_test_header(tc_name)
+    tgen = get_topogen()
+    # Don't run this test if we have any failure.
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    step("Configure 8 interfaces / links between R1 and R2 ,")
+    step("Configure 8 interlaces/links between R2 and R3")
+    step(
+        "Configure IBGP IPv4 peering over loopback interface between"
+        "R2 and R3 router."
+    )
+    step("Configure redistribute static in BGP on R2 router")
+    reset_config_on_routers(tgen)
+    NEXT_HOP_IP = populate_nh()
+    nh_all = {}
+    for addr_type in ADDR_TYPES:
+        nh_all[addr_type] = []
+        for nhp in range(1, 9):
+            nh_all[addr_type].append(NEXT_HOP_IP["nh" + str(nhp)][addr_type])
+    step(
+        "Configure IPv4 static route in R2 with 8 next hop"
+        "N1(21.1.1.2) AD 10, N2(22.1.1.2) AD 20, N3(23.1.1.2) AD 30,"
+        "N4(24.1.1.2) AD 40, N5(25.1.1.2) AD 50, N6(26.1.1.2) AD 60,"
+        "N7(27.1.1.2) AD 70, N8(28.1.1.2) AD 80, Static route next-hop"
+        "present on R1"
+    )
+    for addr_type in ADDR_TYPES:
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                        }
+                    ]
+                }
+            }
+            logger.info("Configure static routes")
+            result = create_static_routes(tgen, input_dict_4)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+        logger.info("Verifying %s routes on r2", addr_type)
+
+        step(
+            "On R2, static route installed in RIB using "
+            "show ip route with 8 next hop , lowest AD nexthop is active"
+        )
+        input_dict_4 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "admin_distance": 10,
+                    }
+                ]
+            }
+        }
+        dut = "r2"
+        protocol = "static"
+        nh = NEXT_HOP_IP["nh1"][addr_type]
+        result = verify_rib(
+            tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
+        )
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
+
+        nh = []
+        for nhp in range(2, 9):
+            nh.append(NEXT_HOP_IP["nh" + str(nhp)][addr_type])
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_4,
+            next_hop=nh,
+            protocol=protocol,
+            fib=True,
+            expected=False,
+            retry_timeout=6,
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are present in RIB".format(tc_name)
+
+    step(
+        "Remove the static route configured with nexthop N1 to N8, one"
+        "by one from running config"
+    )
+
+    for addr_type in ADDR_TYPES:
+        # delete static routes
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                            "delete": True,
+                        }
+                    ]
+                }
+            }
+
+        logger.info("Configure static routes")
+        result = create_static_routes(tgen, input_dict_4)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step(
+        "After removing the static route with N1 to N8 one by one , "
+        "route become active with next preferred nexthop and nexthop which "
+        "got removed is not shown in RIB and FIB"
+    )
+    result = verify_rib(
+        tgen,
+        addr_type,
+        dut,
+        input_dict_4,
+        next_hop=nh_all[addr_type],
+        protocol=protocol,
+        expected=False,
+    )
+    assert (
+        result is not True
+    ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+        tc_name
+    )
+
+    step("Configure the static route with nexthop N1 to N8, one by one")
+
+    for addr_type in ADDR_TYPES:
+        # add static routes
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                        }
+                    ]
+                }
+            }
+        logger.info("Configure static routes")
+        result = create_static_routes(tgen, input_dict_4)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step(
+        " After configuring them, route is always active with lowest AD"
+        " value and all the nexthop populated in RIB and FIB again"
+    )
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "admin_distance": 10,
+                    }
+                ]
+            }
+        }
+        dut = "r2"
+        protocol = "static"
+        nh = NEXT_HOP_IP["nh1"][addr_type]
+        result = verify_rib(
+            tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
+        )
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
+        nh = []
+        for nhp in range(2, 9):
+            nh.append(NEXT_HOP_IP["nh" + str(nhp)][addr_type])
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_4,
+            next_hop=nh,
+            protocol=protocol,
+            fib=True,
+            expected=False,
+            retry_timeout=6,
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
+
+    step("Random shut of the nexthop interfaces")
+    randnum = random.randint(0, 7)
+    for addr_type in ADDR_TYPES:
+        intf = topo["routers"]["r2"]["links"]["r1-link" + str(randnum)]["interface"]
+        shutdown_bringup_interface(tgen, dut, intf, False)
+        nhip = NEXT_HOP_IP["nh" + str(randnum + 1)][addr_type]
+        input_dict_5 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh" + str(randnum + 1)][addr_type],
+                    }
+                ]
+            }
+        }
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_5,
+            next_hop=nhip,
+            protocol=protocol,
+            expected=False,
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+            tc_name
+        )
+
+    step("Random no shut of the nexthop interfaces")
+    for addr_type in ADDR_TYPES:
+        intf = topo["routers"]["r2"]["links"]["r1-link" + str(randnum)]["interface"]
+        shutdown_bringup_interface(tgen, dut, intf, True)
+        nhip = NEXT_HOP_IP["nh" + str(randnum + 1)][addr_type]
+        result = verify_rib(
+            tgen, addr_type, dut, input_dict_5, next_hop=nhip, protocol=protocol
+        )
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
+
+    protocol = "bgp"
+    # this is next hop reachability route  in r3 as we are using ibgp
+    dut = "r3"
+    for addr_type in ADDR_TYPES:
+        nh_as_rte = NEXT_HOP_IP["nh1"][addr_type] + "/32"
+        # add static routes
+        nh_static_rte = {
+            "r3": {"static_routes": [{"network": nh_as_rte, "next_hop": "Null0"}]}
+        }
+        logger.info("Configure static routes")
+        result = create_static_routes(tgen, nh_static_rte)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step(
+        "After each interface shut and no shut between R2 -R3 ,verify static"
+        "route is present in the RIB & FIB of R3 & R2 RIB/FIB is remain"
+        " unchanged"
+    )
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
+        result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
+
+    protocol = "static"
+    dut = "r2"
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
+        result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
+        assert (
+            result is True
+        ), "Testcase {}: Failed \n Error: Routes are missing in RIB".format(tc_name)
+
+    protocol = "bgp"
+    dut = "r3"
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
+        result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
+        assert (
+            result is True
+        ), "Testcase {}: Failed \n Error: Routes are missing in RIB".format(tc_name)
+
+    step("Reload the FRR router")
+    # stop/start -> restart FRR router and verify
+    stop_router(tgen, "r2")
+
+    start_router(tgen, "r2")
+
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
+        result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are still present in RIB".format(
+            tc_name
+        )
+
+    step("BGP neighbor remove and add")
+    for rtr in ["r2", "r3"]:
+        if "bgp" in topo["routers"][rtr].keys():
+            delete_bgp = {rtr: {"bgp": {"delete": True}}}
+            result = create_router_bgp(tgen, topo, delete_bgp)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+
+    create_router_bgp(tgen, topo["routers"])
+
+    NEXT_HOP_IP = populate_nh()
+    step("Verify routes are still present after delete and add bgp")
+    dut = "r2"
+    protocol = "static"
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
+        result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are still present in RIB".format(
+            tc_name
+        )
+
+    dut = "r3"
+    protocol = "bgp"
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
+        result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are still present in RIB".format(
+            tc_name
+        )
+
+    step("Remove the redistribute static knob")
+    for addr_type in ADDR_TYPES:
+        input_dict_2 = {
+            "r2": {
+                "bgp": {
+                    "address_family": {
+                        addr_type: {
+                            "unicast": {
+                                "redistribute": [
+                                    {"redist_type": "static", "delete": True}
+                                ]
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        logger.info("Remove redistribute static")
+        result = create_router_bgp(tgen, topo, input_dict_2)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+        step("verify that routes are deleted from R3 routing table")
+
+        dut = "r3"
+        protocol = "bgp"
+        input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_4,
+            next_hop=nh,
+            protocol=protocol,
+            expected=False,
+        )
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes are"
+            " strill present in RIB of R3".format(tc_name)
+        )
+
+    write_test_footer(tc_name)
+
+
+def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
+    """
+    Verify static route with 8 next hop with different AD value and 8
+    IBGP neighbors
+    """
+    tc_name = request.node.name
+    write_test_header(tc_name)
+    tgen = get_topogen()
+    # Don't run this test if we have any failure.
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    step("Configure 8 interfaces / links between R1 and R2")
+    step("Configure 8 interlaces/links between R2 and R3")
+    step("Configure 8 IBGP IPv4 peering between R2 and R3")
+
+    reset_config_on_routers(tgen)
+    NEXT_HOP_IP = populate_nh()
+
+    step("Configure redistribute static in BGP on R2 router")
+    for addr_type in ADDR_TYPES:
+        input_dict_2 = {
+            "r2": {
+                "bgp": {
+                    "address_family": {
+                        addr_type: {
+                            "unicast": {"redistribute": [{"redist_type": "static"}]}
+                        }
+                    }
+                }
+            }
+        }
+        result = create_router_bgp(tgen, topo, input_dict_2)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step(
+        "Configure IPv4 static route in R2 with 8 next hop"
+        "N1(21.1.1.2) AD 10, N2(22.1.1.2) AD 20, N3(23.1.1.2) AD 30,"
+        "N4(24.1.1.2) AD 40, N5(25.1.1.2) AD 50, N6(26.1.1.2) AD 60,"
+        "N7(27.1.1.2) AD 70, N8(28.1.1.2) AD 80, Static route next-hop"
+        "present on R1"
+    )
+    nh_all = {}
+    for addr_type in ADDR_TYPES:
+        nh_all[addr_type] = []
+        for nhp in range(1, 9):
+            nh_all[addr_type].append(NEXT_HOP_IP["nh" + str(nhp)][addr_type])
+    for addr_type in ADDR_TYPES:
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                        }
+                    ]
+                }
+            }
+            logger.info("Configure static routes")
+            result = create_static_routes(tgen, input_dict_4)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+        logger.info("Verifying %s routes on r2", addr_type)
+
+        step(
+            "On R2, static route installed in RIB using "
+            "show ip route with 8 next hop , lowest AD nexthop is active"
+        )
+        input_dict_4 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "admin_distance": 10,
+                    }
+                ]
+            }
+        }
+        dut = "r2"
+        protocol = "static"
+        nh = NEXT_HOP_IP["nh1"][addr_type]
+        result = verify_rib(
+            tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
+        )
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
+
+        nh = []
+        for nhp in range(2, 9):
+            nh.append(NEXT_HOP_IP["nh" + str(nhp)][addr_type])
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_4,
+            next_hop=nh,
+            protocol=protocol,
+            fib=True,
+            expected=False,
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
+
+    step(
+        "Remove the static route configured with nexthop N1 to N8, one"
+        "by one from running config"
+    )
+
+    for addr_type in ADDR_TYPES:
+        # delete static routes
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                            "delete": True,
+                        }
+                    ]
+                }
+            }
+
+        logger.info("Configure static routes")
+        result = create_static_routes(tgen, input_dict_4)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step(
+        "After removing the static route with N1 to N8 one by one , "
+        "route become active with next preferred nexthop and nexthop which "
+        "got removed is not shown in RIB and FIB"
+    )
+    result = verify_rib(
+        tgen,
+        addr_type,
+        dut,
+        input_dict_4,
+        next_hop=nh_all[addr_type],
+        protocol=protocol,
+        expected=False,
+    )
+    assert (
+        result is not True
+    ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+        tc_name
+    )
+
+    step("Configure the static route with nexthop N1 to N8, one by one")
+
+    for addr_type in ADDR_TYPES:
+        # add static routes
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                        }
+                    ]
+                }
+            }
+        logger.info("Configure static routes")
+        result = create_static_routes(tgen, input_dict_4)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step(
+        " After configuring them, route is always active with lowest AD"
+        " value and all the nexthop populated in RIB and FIB again"
+    )
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "admin_distance": 10,
+                    }
+                ]
+            }
+        }
+        dut = "r2"
+        protocol = "static"
+        nh = NEXT_HOP_IP["nh1"][addr_type]
+        result = verify_rib(
+            tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
+        )
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
+        nh = []
+        for nhp in range(2, 9):
+            nh.append(NEXT_HOP_IP["nh" + str(nhp)][addr_type])
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_4,
+            next_hop=nh,
+            protocol=protocol,
+            fib=True,
+            expected=False,
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
+
+    step("Random shut of the nexthop interfaces")
+    randnum = random.randint(0, 7)
+    for addr_type in ADDR_TYPES:
+        intf = topo["routers"]["r2"]["links"]["r1-link" + str(randnum)]["interface"]
+        shutdown_bringup_interface(tgen, dut, intf, False)
+        nhip = NEXT_HOP_IP["nh" + str(randnum + 1)][addr_type]
+        input_dict_5 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh" + str(randnum + 1)][addr_type],
+                    }
+                ]
+            }
+        }
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_5,
+            next_hop=nhip,
+            protocol=protocol,
+            expected=False,
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+            tc_name
+        )
+
+    step("Random no shut of the nexthop interfaces")
+    for addr_type in ADDR_TYPES:
+        intf = topo["routers"]["r2"]["links"]["r1-link" + str(randnum)]["interface"]
+        shutdown_bringup_interface(tgen, dut, intf, True)
+        nhip = NEXT_HOP_IP["nh" + str(randnum + 1)][addr_type]
+        result = verify_rib(
+            tgen, addr_type, dut, input_dict_5, next_hop=nhip, protocol=protocol
+        )
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
+
+    dut = "r2"
+    protocol = "bgp"
+
+    # this is next hop reachability route  in r3 as we are using ibgp
+    dut = "r3"
+    for addr_type in ADDR_TYPES:
+        nh_as_rte = NEXT_HOP_IP["nh1"][addr_type] + "/32"
+        # add static routes
+        nh_static_rte = {
+            "r3": {"static_routes": [{"network": nh_as_rte, "next_hop": "Null0"}]}
+        }
+        logger.info("Configure static routes")
+        result = create_static_routes(tgen, nh_static_rte)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step(
+        "After each interface shut and no shut between R2 -R3 ,verify static"
+        "route is present in the RIB & FIB of R3 & R2 RIB/FIB is remain"
+        " unchanged"
+    )
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
+        result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
+
+    protocol = "static"
+    dut = "r2"
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
+        result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
+        assert (
+            result is True
+        ), "Testcase {}: Failed \n Error: Routes are missing in RIB".format(tc_name)
+
+    protocol = "bgp"
+    dut = "r3"
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
+        result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
+        assert (
+            result is True
+        ), "Testcase {}: Failed \n Error: Routes are missing in RIB".format(tc_name)
+
+    step("Reload the FRR router")
+    # stop/start -> restart FRR router and verify
+    stop_router(tgen, "r2")
+
+    start_router(tgen, "r2")
+
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
+        result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n Error: Routes are still present in RIB".format(
+            tc_name
+        )
+
+    step("BGP neighbor remove and add")
+    for rtr in ["r2", "r3"]:
+        if "bgp" in topo["routers"][rtr].keys():
+            delete_bgp = {rtr: {"bgp": {"delete": True}}}
+            result = create_router_bgp(tgen, topo, delete_bgp)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+
+    create_router_bgp(tgen, topo["routers"])
+
+    NEXT_HOP_IP = populate_nh()
+    step("Verify routes are still present after delete and add bgp")
+    dut = "r2"
+    protocol = "static"
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
+        result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n Error: Routes are still present in RIB".format(
+            tc_name
+        )
+
+    dut = "r3"
+    protocol = "bgp"
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
+        result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n Error: Routes are still present in RIB".format(
+            tc_name
+        )
+
+    step("Remove the redistribute static knob")
+    for addr_type in ADDR_TYPES:
+        input_dict_2 = {
+            "r2": {
+                "bgp": {
+                    "address_family": {
+                        addr_type: {
+                            "unicast": {
+                                "redistribute": [
+                                    {"redist_type": "static", "delete": True}
+                                ]
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        logger.info("Remove redistribute static")
+        result = create_router_bgp(tgen, topo, input_dict_2)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+        step("verify that routes are deleted from R3 routing table")
+
+        dut = "r3"
+        protocol = "bgp"
+        input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_4,
+            next_hop=nh,
+            protocol=protocol,
+            expected=False,
+        )
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes are"
+            " still present in RIB of R3".format(tc_name)
+        )
+
+    write_test_footer(tc_name)
+
+
+def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ibgp(request):
+    """
+    Verify 8 static route functionality with 8 next hop different AD'
+
+    """
+    tc_name = request.node.name
+    write_test_header(tc_name)
+    tgen = get_topogen()
+    # Don't run this test if we have any failure.
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+    NEXT_HOP_IP = populate_nh()
+
+    step("Configure 8 interfaces / links between R1 and R2 ")
+    step("Configure 8 IBGP IPv4 peering between R2 and R3 router.")
+    reset_config_on_routers(tgen)
+
+    step(
+        "Configure IPv4 static route in R2 with 8 next hop"
+        "N1(21.1.1.2) AD 10, N2(22.1.1.2) AD 20, N3(23.1.1.2) AD 30,"
+        "N4(24.1.1.2) AD 40, N5(25.1.1.2) AD 50, N6(26.1.1.2) AD 60,"
+        "N7(27.1.1.2) AD 70, N8(28.1.1.2) AD 80"
+    )
+    step(
+        "Configure nexthop AD in such way for static route S1 , N1 is"
+        "preferred and for S2 , N2 is preferred and so on .."
+    )
+    nh_all = {}
+    for addr_type in ADDR_TYPES:
+        nh_all[addr_type] = []
+        for nhp in range(1, 9):
+            nh_all[addr_type].append(NEXT_HOP_IP["nh" + str(nhp)][addr_type])
+
+    for addr_type in ADDR_TYPES:
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                        }
+                    ]
+                }
+            }
+            logger.info("Configure static routes")
+            result = create_static_routes(tgen, input_dict_4)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+            second_rte = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX2[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                        }
+                    ]
+                }
+            }
+            logger.info("Configure static routes")
+            result = create_static_routes(tgen, second_rte)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+        logger.info("Verifying %s routes on r2", addr_type)
+
+        step(
+            "On R2, static route installed in RIB using "
+            "show ip route with 8 next hop , lowest AD nexthop is active"
+        )
+        input_dict_4 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "admin_distance": 10,
+                    }
+                ]
+            }
+        }
+        dut = "r2"
+        protocol = "static"
+        nh = NEXT_HOP_IP["nh1"][addr_type]
+        result = verify_rib(
+            tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
+        )
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
+
+        step("Verify that highest AD nexthop are inactive")
+        nh = []
+        for nhp in range(2, 9):
+            nh.append(NEXT_HOP_IP["nh" + str(nhp)][addr_type])
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_4,
+            next_hop=nh,
+            protocol=protocol,
+            fib=True,
+            expected=False,
+            retry_timeout=6,
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
+
+    step("Configure redistribute static in BGP on R2 router")
+    for addr_type in ADDR_TYPES:
+        input_dict_2 = {
+            "r2": {
+                "bgp": {
+                    "address_family": {
+                        addr_type: {
+                            "unicast": {"redistribute": [{"redist_type": "static"}]}
+                        }
+                    }
+                }
+            }
+        }
+        result = create_router_bgp(tgen, topo, input_dict_2)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step(
+        "Remove the static route configured with nexthop N1 to N8, one"
+        "by one from running config"
+    )
+
+    for addr_type in ADDR_TYPES:
+        # delete static routes
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                            "delete": True,
+                        }
+                    ]
+                }
+            }
+
+        logger.info("Configure static routes")
+        result = create_static_routes(tgen, input_dict_4)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+        step(
+            "After removing the static route with N1 to N8 one by one , "
+            "route become active with next preferred nexthop and nexthop which"
+            "got removed is not shown in RIB and FIB"
+        )
+
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_4,
+            next_hop=nh,
+            protocol=protocol,
+            expected=False,
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+            tc_name
+        )
+
+    step("Configure the static route with nexthop N1 to N8, one by one")
+    for addr_type in ADDR_TYPES:
+        # add static routes
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                        }
+                    ]
+                }
+            }
+
+        logger.info("Configure static routes")
+        result = create_static_routes(tgen, input_dict_4)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step(
+        " After configuring them, route is always active with lowest AD"
+        " value and all the nexthop populated in RIB and FIB again"
+    )
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                    }
+                ]
+            }
+        }
+        nh = NEXT_HOP_IP["nh1"][addr_type]
+        result = verify_rib(
+            tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
+        )
+        assert result is True, (
+            "Testcase {} : Failed \nError: Route with "
+            "lowest AD  is missing in RIB".format(tc_name)
+        )
+
+    step("Random shut of the nexthop interfaces")
+    randnum = random.randint(0, 7)
+    for addr_type in ADDR_TYPES:
+        intf = topo["routers"]["r2"]["links"]["r1-link" + str(randnum)]["interface"]
+        shutdown_bringup_interface(tgen, dut, intf, False)
+        nhip = NEXT_HOP_IP["nh" + str(randnum + 1)][addr_type]
+        input_dict_5 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh" + str(randnum + 1)][addr_type],
+                    }
+                ]
+            }
+        }
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_5,
+            next_hop=nhip,
+            protocol=protocol,
+            expected=False,
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+            tc_name
+        )
+
+    step("Random no shut of the nexthop interfaces")
+    for addr_type in ADDR_TYPES:
+        intf = topo["routers"]["r2"]["links"]["r1-link" + str(randnum)]["interface"]
+        shutdown_bringup_interface(tgen, dut, intf, True)
+        nhip = NEXT_HOP_IP["nh" + str(randnum + 1)][addr_type]
+        result = verify_rib(
+            tgen, addr_type, dut, input_dict_5, next_hop=nhip, protocol=protocol
+        )
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
+
+    step("Remove random static route with all the nexthop")
+    for addr_type in ADDR_TYPES:
+        # delete static routes
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                            "delete": True,
+                        }
+                    ]
+                }
+            }
+            logger.info("Configure static routes")
+            result = create_static_routes(tgen, input_dict_4)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+
+            step(
+                "After removing the static route with N1 to N8 one by one , "
+                "route become active with next preferred nexthop and nexthop "
+                "which got removed is not shown in RIB and FIB"
+            )
+            nh = NEXT_HOP_IP["nh" + str(nhp)][addr_type]
+            result = verify_rib(
+                tgen,
+                addr_type,
+                dut,
+                input_dict_4,
+                next_hop=nh,
+                protocol=protocol,
+                expected=False,
+            )
+            assert result is not True, (
+                "Testcase {} : Failed \nError: Route "
+                " is still present in RIB".format(tc_name)
+            )
+
+        step("Reconfigure the deleted routes and verify they are installed")
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                        }
+                    ]
+                }
+            }
+            logger.info("Configure static routes")
+            result = create_static_routes(tgen, input_dict_4)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+
+            dut = "r2"
+            protocol = "static"
+            nh = NEXT_HOP_IP["nh1"][addr_type]
+            result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
+            assert result is True, (
+                "Testcase {} : Failed \nError: Route "
+                " is still present in RIB".format(tc_name)
+            )
+
+            step("Reload the FRR router")
+            # stop/start -> restart FRR router and verify
+            stop_router(tgen, "r2")
+
+            start_router(tgen, "r2")
+
+            step("After reloading, verify that routes are still present in R2.")
+            result = verify_rib(
+                tgen,
+                addr_type,
+                dut,
+                second_rte,
+                next_hop=nh,
+                protocol=protocol,
+                fib=True,
+            )
+            assert (
+                result is True
+            ), "Testcase {} : Failed \nError: Route is missing in RIB".format(tc_name)
+
+    step("Remove the redistribute static knob")
+    for addr_type in ADDR_TYPES:
+        input_dict_2 = {
+            "r2": {
+                "bgp": {
+                    "address_family": {
+                        addr_type: {
+                            "unicast": {
+                                "redistribute": [
+                                    {"redist_type": "static", "delete": True}
+                                ]
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        result = create_router_bgp(tgen, topo, input_dict_2)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step(
+        "After removing the BGP neighbor or redistribute static knob , "
+        "verify route got clear from RIB and FIB of R3 routes "
+    )
+    dut = "r3"
+    protocol = "bgp"
+    for addr_type in ADDR_TYPES:
+        input_dict_4 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                    }
+                ]
+            }
+        }
+        result = verify_rib(
+            tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+            tc_name
+        )
+
+    write_test_footer(tc_name)
+
+
+def test_static_route_delete_p0_tc11_ibgp(request):
+    """
+    Delete the static route and verify the RIB and FIB state
+    """
+    tc_name = request.node.name
+    write_test_header(tc_name)
+    tgen = get_topogen()
+    # Don't run this test if we have any failure.
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+    NEXT_HOP_IP = populate_nh()
+
+    step("Configure 8 interfaces / links between R1 and R2 ")
+    step("Configure 8 IBGP IPv4 peering between R2 and R3 router.")
+    reset_config_on_routers(tgen)
+
+    step(
+        "Configure IPv4 static route in R2 with 8 next hop"
+        "N1(21.1.1.2) AD 10, N2(22.1.1.2) AD 20, N3(23.1.1.2) AD 30,"
+        "N4(24.1.1.2) AD 40, N5(25.1.1.2) AD 50, N6(26.1.1.2) AD 60,"
+        "N7(27.1.1.2) AD 70, N8(28.1.1.2) AD 80"
+    )
+    step(
+        "Configure nexthop AD in such way for static route S1 , N1 is"
+        "preferred and for S2 , N2 is preferred and so on .."
+    )
+    nh_all = {}
+    for addr_type in ADDR_TYPES:
+        nh_all[addr_type] = []
+        for nhp in range(1, 9):
+            nh_all[addr_type].append(NEXT_HOP_IP["nh" + str(nhp)][addr_type])
+
+    for addr_type in ADDR_TYPES:
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                        }
+                    ]
+                }
+            }
+            logger.info("Configure static routes")
+            result = create_static_routes(tgen, input_dict_4)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+            second_rte = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX2[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                        }
+                    ]
+                }
+            }
+            logger.info("Configure static routes")
+            result = create_static_routes(tgen, second_rte)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+        logger.info("Verifying %s routes on r2", addr_type)
+
+        step(
+            "On R2, static route installed in RIB using "
+            "show ip route with 8 next hop , lowest AD nexthop is active"
+        )
+        input_dict_4 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "admin_distance": 10,
+                    }
+                ]
+            }
+        }
+        dut = "r2"
+        protocol = "static"
+        nh = NEXT_HOP_IP["nh1"][addr_type]
+        result = verify_rib(
+            tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
+        )
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
+
+        step("Verify that highest AD nexthop are inactive")
+        nh = []
+        for nhp in range(2, 9):
+            nh.append(NEXT_HOP_IP["nh" + str(nhp)][addr_type])
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_4,
+            next_hop=nh,
+            protocol=protocol,
+            fib=True,
+            expected=False,
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
+
+    step("Configure redistribute static in BGP on R2 router")
+    for addr_type in ADDR_TYPES:
+        input_dict_2 = {
+            "r2": {
+                "bgp": {
+                    "address_family": {
+                        addr_type: {
+                            "unicast": {"redistribute": [{"redist_type": "static"}]}
+                        }
+                    }
+                }
+            }
+        }
+        result = create_router_bgp(tgen, topo, input_dict_2)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+    step("Remove the redistribute static knob")
+    for addr_type in ADDR_TYPES:
+        input_dict_2 = {
+            "r2": {
+                "bgp": {
+                    "address_family": {
+                        addr_type: {
+                            "unicast": {
+                                "redistribute": [
+                                    {"redist_type": "static", "delete": True}
+                                ]
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        result = create_router_bgp(tgen, topo, input_dict_2)
+        assert result is True, "Testcase {} : Failed \n Error: {}".format(
+            tc_name, result
+        )
+
+        step(
+            "Verify after removing the redistribute static from BGP all the"
+            "routes got delete from RIB and FIB of R3 "
+        )
+
+        dut = "r3"
+        protocol = "bgp"
+        result = verify_rib(
+            tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+            tc_name
+        )
+
+    for addr_type in ADDR_TYPES:
+        for nhp in range(1, 9):
+            input_dict_4 = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX1[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                            "delete": True,
+                        }
+                    ]
+                }
+            }
+            logger.info("Configure static routes")
+            result = create_static_routes(tgen, input_dict_4)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+            second_rte = {
+                "r2": {
+                    "static_routes": [
+                        {
+                            "network": PREFIX2[addr_type],
+                            "next_hop": NEXT_HOP_IP["nh" + str(nhp)][addr_type],
+                            "admin_distance": 10 * nhp,
+                        }
+                    ]
+                }
+            }
+            logger.info("Configure static routes")
+            result = create_static_routes(tgen, second_rte)
+            assert result is True, "Testcase {} : Failed \n Error: {}".format(
+                tc_name, result
+            )
+        logger.info("Verifying %s routes on r2", addr_type)
+
+        step(
+            " After removing all the routes and nexthop from R2 , "
+            " verify R2 RIB and FIB is cleared"
+        )
+        input_dict_4 = {
+            "r2": {
+                "static_routes": [
+                    {
+                        "network": PREFIX1[addr_type],
+                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "admin_distance": 10,
+                    }
+                ]
+            }
+        }
+        dut = "r2"
+        protocol = "static"
+        nh = NEXT_HOP_IP["nh1"][addr_type]
+        result = verify_rib(
+            tgen,
+            addr_type,
+            dut,
+            input_dict_4,
+            next_hop=nh,
+            protocol=protocol,
+            fib=True,
+            expected=False,
+        )
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still active in RIB".format(
+            tc_name
+        )
+
+    write_test_footer(tc_name)
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))