def test_PIM_hello_tx_rx_p1(request): """ TC_54 Verify received and transmit hello stats are getting cleared after PIM nbr reset """ tgen = get_topogen() tc_name = request.node.name write_test_header(tc_name) # Creating configuration from JSON kill_iperf(tgen) clear_ip_mroute(tgen) reset_config_on_routers(tgen) clear_ip_pim_interface_traffic(tgen, topo) # Don"t run this test if we have any failure. if tgen.routers_have_failure(): pytest.skip(tgen.errors) step( "Remove c1-c2 connected link to simulate topo " "c1(LHR)---l1(RP)----r2---f1-----c2(FHR)" ) intf_c1_c2 = topo["routers"]["c1"]["links"]["c2"]["interface"] intf_c2_c1 = topo["routers"]["c2"]["links"]["c1"]["interface"] shutdown_bringup_interface(tgen, "c1", intf_c1_c2, False) shutdown_bringup_interface(tgen, "c2", intf_c2_c1, False) step("Enable the PIM on all the interfaces of FRR1, FRR2, FRR3") step( "Enable IGMP of FRR1 interface and send IGMP joins " " from FRR1 node for group range (225.1.1.1-5)" ) intf_c1_i4 = topo["routers"]["c1"]["links"]["i4"]["interface"] input_dict = { "c1": {"igmp": {"interfaces": {intf_c1_i4: {"igmp": {"version": "2"}}}}} } result = create_igmp_config(tgen, topo, input_dict) assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result) input_join = {"i4": topo["routers"]["i4"]["links"]["c1"]["interface"]} for recvr, recvr_intf in input_join.items(): result = config_to_send_igmp_join_and_traffic( tgen, topo, tc_name, recvr, recvr_intf, GROUP_RANGE_1, join=True ) assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result) result = iperfSendIGMPJoin(tgen, recvr, IGMP_JOIN_RANGE_1, join_interval=1) assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result) step("Configure static RP for (225.1.1.1-5) as R2") input_dict = { "l1": { "pim": { "rp": [ { "rp_addr": topo["routers"]["l1"]["links"]["lo"]["ipv4"].split( "/" )[0], "group_addr_range": GROUP_RANGE, } ] } } } result = create_pim_config(tgen, topo, input_dict) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) step("Send Mcast traffic from C2 to all the groups ( 225.1.1.1 to 225.1.1.5)") input_src = {"i5": topo["routers"]["i5"]["links"]["c2"]["interface"]} for src, src_intf in input_src.items(): result = config_to_send_igmp_join_and_traffic( tgen, topo, tc_name, src, src_intf, GROUP_RANGE_1, traffic=True ) assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result) result = iperfSendTraffic(tgen, src, IGMP_JOIN_RANGE_1, 32, 2500) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) source_i5 = topo["routers"]["i5"]["links"]["c2"]["ipv4"].split("/")[0] input_dict_starg = [ { "dut": "c1", "src_address": "*", "iif": topo["routers"]["c1"]["links"]["l1"]["interface"], "oil": topo["routers"]["c1"]["links"]["i4"]["interface"], } ] input_dict_sg = [ { "dut": "c1", "src_address": source_i5, "iif": topo["routers"]["c1"]["links"]["l1"]["interface"], "oil": topo["routers"]["c1"]["links"]["i4"]["interface"], } ] step("(*,G) and (S,G) created on f1 and node verify using 'show ip mroute'") for data in input_dict_sg: result = verify_ip_mroutes( tgen, data["dut"], data["src_address"], IGMP_JOIN_RANGE_1, data["iif"], data["oil"], ) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) for data in input_dict_starg: result = verify_ip_mroutes( tgen, data["dut"], data["src_address"], IGMP_JOIN_RANGE_1, data["iif"], data["oil"], ) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) intf_l1_c1 = topo["routers"]["l1"]["links"]["c1"]["interface"] intf_c1_l1 = topo["routers"]["c1"]["links"]["l1"]["interface"] step("verify before stats on C1") state_dict = {"c1": {intf_c1_l1: ["helloTx", "helloRx"],}} c1_state_before = verify_pim_interface_traffic(tgen, state_dict) assert isinstance( c1_state_before, dict ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(tc_name, result) step("Flap PIM nbr while doing interface c1-l1 interface shut from f1 side") shutdown_bringup_interface(tgen, "c1", intf_c1_l1, False) step( "After shut of local interface from c1 , verify rx/tx hello counters are cleared on c1 side" "verify using 'show ip pim interface traffic'" ) shutdown_bringup_interface(tgen, "c1", intf_c1_l1, True) step("verify stats after on c1") c1_state_after = verify_pim_interface_traffic(tgen, state_dict) assert isinstance( c1_state_after, dict ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(tc_name, result) step("verify stats not increamented on c1") result = verify_state_incremented(c1_state_before, c1_state_after) assert ( result is not True ), "Testcase{} : Failed Error: {}" "stats incremented".format(tc_name, result) step("verify before stats on l1") l1_state_dict = {"l1": {intf_l1_c1: ["helloTx", "helloRx"],}} l1_state_before = verify_pim_interface_traffic(tgen, l1_state_dict) assert isinstance( l1_state_before, dict ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(tc_name, result) step("Flap PIM nbr while doing interface r2-c1 shut from r2 side") shutdown_bringup_interface(tgen, "l1", intf_l1_c1, False) step( "After shut the interface from r2 side , verify r2 side rx and tx of hello" "counters are resetted show ip pim interface traffic" ) shutdown_bringup_interface(tgen, "l1", intf_l1_c1, True) step("verify stats after on l1") l1_state_after = verify_pim_interface_traffic(tgen, l1_state_dict) assert isinstance( l1_state_after, dict ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(tc_name, result) step("verify stats not increamented on l1") result = verify_state_incremented(l1_state_before, l1_state_after) assert ( result is not True ), "Testcase{} : Failed Error: {}" "stats incremented".format(tc_name, result) step("Reinit the dict") c1_state_before = {} l1_state_before = {} c1_state_after = {} l1_state_after = {} step("verify before stats on C1") state_dict = {"c1": {intf_c1_l1: ["helloTx", "helloRx"],}} c1_state_before = verify_pim_interface_traffic(tgen, state_dict) assert isinstance( c1_state_before, dict ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(tc_name, result) step("Flap c1-r2 pim nbr while changing ip address from c1 side") c1_l1_ip_subnet = topo["routers"]["c1"]["links"]["l1"]["ipv4"] raw_config = { "c1": { "raw_config": [ "interface {}".format(intf_c1_l1), "no ip address {}".format(c1_l1_ip_subnet), "ip address {}".format(NEW_ADDRESS_2_SUBNET), ] } } result = apply_raw_config(tgen, raw_config) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) step("verify stats after on c1") c1_state_after = verify_pim_interface_traffic(tgen, state_dict) assert isinstance( c1_state_after, dict ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(tc_name, result) step("verify stats not increamented on c1") result = verify_state_incremented(c1_state_before, c1_state_after) assert ( result is not True ), "Testcase{} : Failed Error: {}" "stats incremented".format(tc_name, result) write_test_footer(tc_name)
def test_mroute_with_RP_default_route_all_nodes_p2(request): """ TC_50 Verify mroute when LHR,FHR,RP and transit routers reachable using default routes """ tgen = get_topogen() tc_name = request.node.name write_test_header(tc_name) # Creating configuration from JSON kill_iperf(tgen) clear_ip_mroute(tgen) reset_config_on_routers(tgen) clear_ip_pim_interface_traffic(tgen, topo) # Don"t run this test if we have any failure. if tgen.routers_have_failure(): pytest.skip(tgen.errors) step( "Remove c1-c2 connected link to simulate topo " "c1(LHR)---l1(RP)----r2---f1-----c2(FHR)" ) intf_c1_c2 = topo["routers"]["c1"]["links"]["c2"]["interface"] intf_c2_c1 = topo["routers"]["c2"]["links"]["c1"]["interface"] shutdown_bringup_interface(tgen, "c1", intf_c1_c2, False) shutdown_bringup_interface(tgen, "c2", intf_c2_c1, False) step("Enable the PIM on all the interfaces of FRR1, FRR2, FRR3") step( "Enable IGMP of FRR1 interface and send IGMP joins " " from FRR1 node for group range (225.1.1.1-5)" ) intf_c1_i4 = topo["routers"]["c1"]["links"]["i4"]["interface"] input_dict = { "c1": {"igmp": {"interfaces": {intf_c1_i4: {"igmp": {"version": "2"}}}}} } result = create_igmp_config(tgen, topo, input_dict) assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result) input_join = {"i4": topo["routers"]["i4"]["links"]["c1"]["interface"]} for recvr, recvr_intf in input_join.items(): result = config_to_send_igmp_join_and_traffic( tgen, topo, tc_name, recvr, recvr_intf, GROUP_RANGE_1, join=True ) assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result) result = iperfSendIGMPJoin(tgen, recvr, IGMP_JOIN_RANGE_1, join_interval=1) assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result) step("Configure static RP for (225.1.1.1-5) as R2") input_dict = { "l1": { "pim": { "rp": [ { "rp_addr": topo["routers"]["l1"]["links"]["lo"]["ipv4"].split( "/" )[0], "group_addr_range": GROUP_RANGE, } ] } } } result = create_pim_config(tgen, topo, input_dict) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) step("Send traffic from C2 to all the groups ( 225.1.1.1 to 225.1.1.5)") input_src = {"i5": topo["routers"]["i5"]["links"]["c2"]["interface"]} for src, src_intf in input_src.items(): result = config_to_send_igmp_join_and_traffic( tgen, topo, tc_name, src, src_intf, GROUP_RANGE_1, traffic=True ) assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result) result = iperfSendTraffic(tgen, src, IGMP_JOIN_RANGE_1, 32, 2500) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) source_i5 = topo["routers"]["i5"]["links"]["c2"]["ipv4"].split("/")[0] input_dict_starg = [ { "dut": "c1", "src_address": "*", "iif": topo["routers"]["c1"]["links"]["l1"]["interface"], "oil": topo["routers"]["c1"]["links"]["i4"]["interface"], } ] input_dict_sg = [ { "dut": "c1", "src_address": source_i5, "iif": topo["routers"]["c1"]["links"]["l1"]["interface"], "oil": topo["routers"]["c1"]["links"]["i4"]["interface"], } ] step("Verify mroutes and iff upstream") for data in input_dict_sg: result = verify_ip_mroutes( tgen, data["dut"], data["src_address"], IGMP_JOIN_RANGE_1, data["iif"], data["oil"], ) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) result = verify_upstream_iif( tgen, data["dut"], data["iif"], data["src_address"], IGMP_JOIN_RANGE_1 ) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) for data in input_dict_starg: result = verify_ip_mroutes( tgen, data["dut"], data["src_address"], IGMP_JOIN_RANGE_1, data["iif"], data["oil"], ) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) result = verify_upstream_iif( tgen, data["dut"], data["iif"], data["src_address"], IGMP_JOIN_RANGE_1 ) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) step("Delete static routes RP on all the nodes") input_dict = { "c2": { "static_routes": [ {"network": ["1.0.4.11/32"], "next_hop": "10.0.3.2", "delete": True} ] }, "c1": { "static_routes": [ {"network": ["1.0.4.11/32"], "next_hop": "10.0.2.2", "delete": True} ] }, "r2": { "static_routes": [ {"network": ["1.0.4.11/32"], "next_hop": "10.0.12.1", "delete": True} ] }, "f1": { "static_routes": [ {"network": ["1.0.4.11/32"], "next_hop": "10.0.7.2", "delete": True} ] }, } result = create_static_routes(tgen, input_dict) assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result) step("Verify RP info unknown after removing static route from c2 ") dut = "c2" rp_address = topo["routers"]["l1"]["links"]["lo"]["ipv4"].split("/")[0] SOURCE = "Static" result = verify_pim_rp_info( tgen, topo, dut, GROUP_RANGE_1, "Unknown", rp_address, SOURCE ) assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result) for data in input_dict_starg: result = verify_ip_mroutes( tgen, data["dut"], data["src_address"], IGMP_JOIN_RANGE_1, data["iif"], data["oil"], expected=False, ) assert result is not True, "Testcase {} : Failed Error: {}".format( tc_name, result ) result = verify_upstream_iif( tgen, data["dut"], data["iif"], data["src_address"], IGMP_JOIN_RANGE_1, expected=False, ) assert result is not True, "Testcase {} : Failed Error: {}".format( tc_name, result ) step("Configure default routes on all the nodes") intf_f1_c2 = topo["routers"]["f1"]["links"]["c2"]["ipv4"].split("/")[0] intf_l1_c1 = topo["routers"]["l1"]["links"]["c1"]["ipv4"].split("/")[0] intf_l1_r2 = topo["routers"]["l1"]["links"]["r2"]["ipv4"].split("/")[0] intf_r2_f1 = topo["routers"]["r2"]["links"]["f1"]["ipv4"].split("/")[0] input_dict = { "c1": {"static_routes": [{"network": "0.0.0.0/0", "next_hop": intf_l1_c1}]}, "c2": {"static_routes": [{"network": "0.0.0.0/0", "next_hop": intf_f1_c2}]}, "r2": {"static_routes": [{"network": "0.0.0.0/0", "next_hop": intf_l1_r2}]}, "f1": {"static_routes": [{"network": "0.0.0.0/0", "next_hop": intf_r2_f1}]}, } result = create_static_routes(tgen, input_dict) assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result) step("applying ip nht config on c2") raw_config = { "c1": {"raw_config": ["ip nht resolve-via-default"]}, "c2": {"raw_config": ["ip nht resolve-via-default"]}, "r2": {"raw_config": ["ip nht resolve-via-default"]}, "f1": {"raw_config": ["ip nht resolve-via-default"]}, "l1": {"raw_config": ["ip nht resolve-via-default"]}, } result = apply_raw_config(tgen, raw_config) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) step("Verify RP info Not unknown after removing static route from c2 ") dut = "c2" step("Verify RP info is NOT unknown after removing static route from c2 ") result = verify_pim_rp_info( tgen, topo, dut, GROUP_RANGE_1, "Unknown", rp_address, SOURCE, expected=False ) assert result is not True, "Testcase {} :Failed \n Error: {}".format( tc_name, result ) step("Verify (s,g) populated after adding default route ") for data in input_dict_sg: result = verify_ip_mroutes( tgen, data["dut"], data["src_address"], IGMP_JOIN_RANGE_1, data["iif"], data["oil"], ) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) result = verify_upstream_iif( tgen, data["dut"], data["iif"], data["src_address"], IGMP_JOIN_RANGE_1 ) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) step("Verify (*,g) populated after adding default route ") for data in input_dict_starg: result = verify_ip_mroutes( tgen, data["dut"], data["src_address"], IGMP_JOIN_RANGE_1, data["iif"], data["oil"], ) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) result = verify_upstream_iif( tgen, data["dut"], data["iif"], data["src_address"], IGMP_JOIN_RANGE_1 ) assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result) write_test_footer(tc_name)
def pre_config_for_source_dr_tests(tgen, topo, tc_name, highest_priority, lowest_priority): """ API to do common pre-configuration for source test cases parameters: ----------- * `tgen`: topogen object * `topo`: input json data * `tc_name`: caller test case name * `highest_priority`: router which will be having highest DR priority * `lowest_priority`: router which will be having lowest DR priority """ global intf_r1_s1, intf_r1_s1_addr, intf_r2_s1, intf_r2_s1_addr, intf_r3_s1, intf_r3_s1_addr, intf_i1_s1, intf_i1_s1_addr step("Configure IGMP and PIM on switch connected receiver nodes") step("Configure PIM on all upstream interfaces") step("Configure link between R1, R2 ,R3 and receiver on" " same vlan") step("Make sure {0} is DR initially configuring highest IP on {0} and R2 " "second highest, {1} is lower".format(highest_priority, lowest_priority)) intf_r1_s1 = topo["routers"]["r1"]["links"]["s1"]["interface"] intf_r1_s1_addr = topo["routers"]["r1"]["links"]["s1"]["ipv4"] intf_r2_s1 = topo["routers"]["r2"]["links"]["s1"]["interface"] intf_r2_s1_addr = topo["routers"]["r2"]["links"]["s1"]["ipv4"] intf_r3_s1 = topo["routers"]["r3"]["links"]["s1"]["interface"] intf_r3_s1_addr = topo["routers"]["r3"]["links"]["s1"]["ipv4"] intf_i1_s1 = topo["routers"]["i1"]["links"]["s1"]["interface"] intf_i1_s1_addr = topo["routers"]["i1"]["links"]["s1"]["ipv4"] if lowest_priority == "r1": lowest_pr_intf = intf_r1_s1 else: lowest_pr_intf = intf_r3_s1 if highest_priority == "r1": highest_pr_intf = intf_r1_s1 else: highest_pr_intf = intf_r3_s1 vlan_input = { lowest_priority: { "vlan": { VLAN_1: [{ lowest_pr_intf: { "ip": SAME_VLAN_IP_1["ip"], "subnet": SAME_VLAN_IP_1["subnet"], } }] } }, "r2": { "vlan": { VLAN_1: [{ intf_r2_s1: { "ip": SAME_VLAN_IP_2["ip"], "subnet": SAME_VLAN_IP_2["subnet"], } }] } }, highest_priority: { "vlan": { VLAN_1: [{ highest_pr_intf: { "ip": SAME_VLAN_IP_3["ip"], "subnet": SAME_VLAN_IP_3["subnet"], } }] } }, "i1": { "vlan": { VLAN_1: [{ intf_i1_s1: { "ip": SAME_VLAN_IP_4["ip"], "subnet": SAME_VLAN_IP_4["subnet"], } }] } }, } add_interfaces_to_vlan(tgen, vlan_input) raw_config = { "r1": { "raw_config": [ "interface {}".format(intf_r1_s1), "no ip address {}".format(intf_r1_s1_addr), "no ip pim", ] }, "r2": { "raw_config": [ "interface {}".format(intf_r2_s1), "no ip address {}".format(intf_r2_s1_addr), "no ip pim", ] }, "r3": { "raw_config": [ "interface {}".format(intf_r3_s1), "no ip address {}".format(intf_r3_s1_addr), "no ip pim", ] }, "i1": { "raw_config": [ "interface {}".format(intf_i1_s1), "no ip address {}".format(intf_i1_s1_addr), ] }, } result = apply_raw_config(tgen, raw_config) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) step("Configure IGMP and PIM on switch connected receiver nodes , " "configure PIM nbr with hello timer 1") raw_config = { lowest_priority: { "raw_config": [ "interface {}.{}".format(lowest_pr_intf, VLAN_1), "ip address {}/{}".format(SAME_VLAN_IP_1["ip"], SAME_VLAN_IP_1["cidr"]), "ip pim", ] }, "r2": { "raw_config": [ "interface {}.{}".format(intf_r2_s1, VLAN_1), "ip address {}/{}".format(SAME_VLAN_IP_2["ip"], SAME_VLAN_IP_2["cidr"]), "ip pim", ] }, highest_priority: { "raw_config": [ "interface {}.{}".format(highest_pr_intf, VLAN_1), "ip address {}/{}".format(SAME_VLAN_IP_3["ip"], SAME_VLAN_IP_3["cidr"]), "ip pim", ] }, "i1": { "raw_config": [ "interface {}.{}".format(intf_i1_s1, VLAN_1), "ip address {}/{}".format(SAME_VLAN_IP_4["ip"], SAME_VLAN_IP_4["cidr"]), ] }, } result = apply_raw_config(tgen, raw_config) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) for dut, intf in zip(["r1", "r2", "r3"], [intf_r1_s1, intf_r2_s1, intf_r3_s1]): raw_config = { dut: { "raw_config": [ "interface {}.{}".format(intf, VLAN_1), "ip pim hello {} {}".format(HELLO_TIMER, HOLD_TIMER), ] } } result = apply_raw_config(tgen, raw_config) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) step("Configure R4 as RP on all the nodes for group range 224.0.0.0/24") input_dict = { "r4": { "pim": { "rp": [{ "rp_addr": topo["routers"]["r4"]["links"]["lo"]["ipv4"].split("/")[0], "group_addr_range": GROUP_RANGE_1, }] } } } result = create_pim_config(tgen, topo, input_dict) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) step("Configure IGMP on R5 port and send IGMP join for groups " "(226.1.1.1-5)") intf_r5_i2 = topo["routers"]["r5"]["links"]["i2"]["interface"] input_dict = { "r5": { "igmp": { "interfaces": { intf_r5_i2: { "igmp": { "version": "2" } } } } } } result = create_igmp_config(tgen, topo, input_dict) assert result is True, "Testcase {}: Failed Error: {}".format( tc_name, result) input_src = {"i2": topo["routers"]["i2"]["links"]["r5"]["interface"]} result = app_helper.run_join("i2", IGMP_JOIN_RANGE_1, "r5") assert result is True, "Testcase {}: Failed Error: {}".format( tc_name, result) step("Using static routes instead OSPF: Enable OSPF between all the nodes") step("Start traffic from Source node") vlan_intf_i1_s1 = "{}.{}".format(intf_i1_s1, VLAN_1) result = app_helper.run_traffic("i1", IGMP_JOIN_RANGE_1, bind_intf=vlan_intf_i1_s1) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) return True
def test_pimv6_add_delete_static_RP_p0(request): """ TC_1: Verify upstream interfaces(IIF) and join state are updated properly after adding and deleting the static RP TC_2: Verify IIF and OIL in "show ip pim state" updated properly after adding and deleting the static RP TC_3: (*, G) Mroute entry are cleared when static RP gets deleted TC_4: Verify (*,G) prune is send towards the RP after deleting the static RP TOPOlogy used: r0------r1-----r2 iperf DUT RP """ tgen = get_topogen() tc_name = request.node.name write_test_header(tc_name) # Don"t run this test if we have any failure. if tgen.routers_have_failure(): check_router_status(tgen) step("Shut link b/w R1 and R3 and R1 and R4 as per tescase topology") intf_r1_r3 = TOPO["routers"]["r1"]["links"]["r3"]["interface"] intf_r1_r4 = TOPO["routers"]["r1"]["links"]["r4"]["interface"] for intf in [intf_r1_r3, intf_r1_r4]: shutdown_bringup_interface(tgen, "r1", intf, ifaceaction=False) step("Enable PIM between r1 and r2") step("Enable MLD on r1 interface and send IGMP " "join (FF08::1) to r1") step("Configure r2 loopback interface as RP") input_dict = { "r2": { "pim6": { "rp": [{ "rp_addr": TOPO["routers"]["r2"]["links"]["lo"]["ipv6"].split("/")[0], "group_addr_range": GROUP_RANGE_V6, }] } } } result = create_pim_config(tgen, TOPO, input_dict) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) step("Verify show ip pim interface traffic without any mld join") state_dict = { "r1": { TOPO["routers"]["r1"]["links"]["r2"]["interface"]: ["pruneTx"] } } state_before = verify_pim_interface_traffic(tgen, state_dict, addr_type="ipv6") assert isinstance( state_before, dict ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format( tc_name, result) step("send mld join (FF08::1) to R1") intf = TOPO["routers"]["r0"]["links"]["r1"]["interface"] intf_ip = TOPO["routers"]["r0"]["links"]["r1"]["ipv6"].split("/")[0] result = socat_send_igmp_join_traffic(tgen, "r0", "UDP6-RECV", IGMP_JOIN_V6, intf, intf_ip, join=True) assert result is True, "Testcase {}: Failed Error: {}".format( tc_name, result) step("r1: Verify RP info") dut = "r1" oif = TOPO["routers"]["r1"]["links"]["r2"]["interface"] iif = TOPO["routers"]["r1"]["links"]["r0"]["interface"] rp_address = TOPO["routers"]["r2"]["links"]["lo"]["ipv6"].split("/")[0] result = verify_pim_rp_info(tgen, TOPO, dut, GROUP_RANGE_V6, oif, rp_address, SOURCE) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r1: Verify upstream IIF interface") result = verify_upstream_iif(tgen, dut, oif, STAR, IGMP_JOIN_V6) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r1: Verify upstream join state and join timer") result = verify_join_state_and_timer(tgen, dut, oif, STAR, IGMP_JOIN_V6) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r1: Verify PIM state") result = verify_pim_state(tgen, dut, oif, iif, IGMP_JOIN_V6) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r1: Verify ip mroutes") result = verify_mroutes(tgen, dut, STAR, IGMP_JOIN_V6, oif, iif) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r1: Delete RP configuration") input_dict = { "r2": { "pim6": { "rp": [{ "rp_addr": TOPO["routers"]["r2"]["links"]["lo"]["ipv6"].split("/")[0], "group_addr_range": GROUP_RANGE_V6, "delete": True, }] } } } result = create_pim_config(tgen, TOPO, input_dict) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) step("r1: Verify RP info") result = verify_pim_rp_info(tgen, TOPO, dut, GROUP_RANGE_V6, oif, rp_address, SOURCE, expected=False) assert ( result is not True ), "Testcase {} :Failed \n " "RP: {} info is still present \n Error: {}".format( tc_name, rp_address, result) step("r1: Verify upstream IIF interface") result = verify_upstream_iif(tgen, dut, oif, STAR, IGMP_JOIN_V6, expected=False) assert result is not True, ( "Testcase {} :Failed \n " "Upstream ({}, {}) is still in join state \n Error: {}".format( tc_name, STAR, IGMP_JOIN_V6, result)) step("r1: Verify upstream join state and join timer") result = verify_join_state_and_timer(tgen, dut, oif, STAR, IGMP_JOIN_V6, expected=False) assert result is not True, ( "Testcase {} :Failed \n " "Upstream ({}, {}) timer is still running \n Error: {}".format( tc_name, STAR, IGMP_JOIN_V6, result)) step("r1: Verify PIM state") result = verify_pim_state(tgen, dut, oif, iif, IGMP_JOIN_V6, expected=False) assert result is not True, ( "Testcase {} :Failed \n " "PIM state for group: {} is still Active \n Error: {}".format( tc_name, IGMP_JOIN_V6, result)) step("r1: Verify ip mroutes") result = verify_mroutes(tgen, dut, STAR, IGMP_JOIN_V6, oif, iif, expected=False) assert result is not True, ( "Testcase {} :Failed \n " "mroute ({}, {}) is still present \n Error: {}".format( tc_name, STAR, IGMP_JOIN_V6, result)) step("r1: Verify show ip pim interface traffic without any IGMP join") state_after = verify_pim_interface_traffic(tgen, state_dict, addr_type="ipv6") assert isinstance( state_after, dict ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format( tc_name, result) result = verify_state_incremented(state_before, state_after) assert result is True, "Testcase{} : Failed Error: {}".format( tc_name, result) write_test_footer(tc_name)
def test_RP_configured_as_FHR_2_p2(request): """ TC_22_2_P2: Verify OIF and RFP for (*,G) and (S,G) when static RP configure in FHR router Topology used: ________r2_____ | | iperf | | iperf r0-----r1-------------r3-----r5 r1 : LHR r3 : FHR/RP """ tgen = get_topogen() tc_name = request.node.name write_test_header(tc_name) # Don"t run this test if we have any failure. if tgen.routers_have_failure(): pytest.skip(tgen.errors) step("Creating configuration from JSON") reset_config_on_routers(tgen) app_helper.stop_all_hosts() clear_mroute(tgen) clear_pim_interface_traffic(tgen, TOPO) step("Enable IGMP on r1 interface") step("Configure RP on r2 (loopback interface) for the group range" " 225.1.1.0/24") step("Enable the PIM on all the interfaces of r1, r2, r3 and r4 routers") step("Send multicast traffic from r5") step("Send the IGMP join from r0") step("r1, r2, r3, r4: Delete existing RP configuration" "configure r3(FHR) as RP") input_dict = { "r1": { "pim": { "rp": [{ "rp_addr": "1.0.2.17", "group_addr_range": GROUP_RANGE_ALL, "delete": True, }] } }, "r2": { "pim": { "rp": [{ "rp_addr": "1.0.2.17", "group_addr_range": GROUP_RANGE_ALL, "delete": True, }] } }, "r3": { "pim": { "rp": [{ "rp_addr": "1.0.2.17", "group_addr_range": GROUP_RANGE_ALL, "delete": True, }] } }, "r4": { "pim": { "rp": [{ "rp_addr": "1.0.2.17", "group_addr_range": GROUP_RANGE_ALL, "delete": True, }] } }, } result = create_pim_config(tgen, TOPO, input_dict) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r1, r2, r3, r4: Configure r3(FHR) as RP") input_dict = { "r1": { "pim": { "rp": [{ "rp_addr": "1.0.3.17", "group_addr_range": GROUP_RANGE_ALL, }] } }, "r2": { "pim": { "rp": [{ "rp_addr": "1.0.3.17", "group_addr_range": GROUP_RANGE_ALL, }] } }, "r3": { "pim": { "rp": [{ "rp_addr": "1.0.3.17", "group_addr_range": GROUP_RANGE_ALL, }] } }, "r4": { "pim": { "rp": [{ "rp_addr": "1.0.3.17", "group_addr_range": GROUP_RANGE_ALL, }] } }, } result = create_pim_config(tgen, TOPO, input_dict) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r1: Verify RP info") dut = "r1" rp_address = "1.0.3.17" iif = "r1-r3-eth2" result = verify_pim_rp_info(tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r5: Send multicast traffic for group 225.1.1.1") result = app_helper.run_traffic("r5", GROUP_ADDRESS, "r3") assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r0: Send IGMP join") result = app_helper.run_join("r0", GROUP_ADDRESS, "r1") assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r0: Verify IGMP groups") oif = "r1-r0-eth0" result = verify_igmp_groups(tgen, dut, oif, GROUP_ADDRESS) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r1: Verify (*, G) upstream IIF interface") result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r1: Verify (*, G) upstream join state and join timer") result = verify_join_state_and_timer(tgen, dut, iif, STAR, GROUP_ADDRESS) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r1: Verify (*, G) ip mroutes") result = verify_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r1: Verify (S, G) upstream IIF interface") iif = "r1-r3-eth2" result = verify_upstream_iif(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r1: Verify (S, G) upstream join state and join timer") result = verify_join_state_and_timer(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r1: Verify (S, G) ip mroutes") result = verify_mroutes(tgen, dut, SOURCE_ADDRESS, GROUP_ADDRESS, iif, oif) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r3: Verify (S, G) upstream IIF interface") dut = "r3" iif = "r3-r5-eth3" result = verify_upstream_iif(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) step("r3: Verify (S, G) upstream join state and join timer") result = verify_join_state_and_timer(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS, expected=False) assert result is not True, ( "Testcase {} : Failed \n " "r3: (S,G) upstream state is joined and join timer is running\n Error: {}" .format(tc_name, result)) step("r3: Verify (S, G) ip mroutes") oif = "r3-r1-eth0" result = verify_mroutes(tgen, dut, SOURCE_ADDRESS, GROUP_ADDRESS, iif, oif) assert result is True, "Testcase {} :Failed \n Error: {}".format( tc_name, result) # Uncomment next line for debugging # tgen.mininet_cli() write_test_footer(tc_name)
def test_configuring_igmp_local_join_on_reciever_dr_non_dr_nodes_p1(request): """ Configure IGMP local join on DR and non DR """ tgen = get_topogen() tc_name = request.node.name write_test_header(tc_name) # Creating configuration from JSON app_helper.stop_all_hosts() clear_mroute(tgen) check_router_status(tgen) reset_config_on_routers(tgen) clear_pim_interface_traffic(tgen, topo) # Don"t run this test if we have any failure. if tgen.routers_have_failure(): pytest.skip(tgen.errors) step("Configure IGMP and PIM on switch connected receiver nodes") step("Configure PIM on all upstream interfaces") step("Configure link between R1, R2 ,R3 and receiver on" " same vlan") step("Make sure R1 is DR initially configuring highest IP on R1 and R2 " "second highest, R1 is lower") intf_r1_s1 = topo["routers"]["r1"]["links"]["s1"]["interface"] intf_r1_s1_addr = topo["routers"]["r1"]["links"]["s1"]["ipv4"] intf_r2_s1 = topo["routers"]["r2"]["links"]["s1"]["interface"] intf_r2_s1_addr = topo["routers"]["r2"]["links"]["s1"]["ipv4"] intf_i1_s1 = topo["routers"]["i1"]["links"]["s1"]["interface"] intf_i1_s1_addr = topo["routers"]["i1"]["links"]["s1"]["ipv4"] vlan_input = { "r1": { "vlan": { VLAN_1: [{ intf_r1_s1: { "ip": SAME_VLAN_IP_1["ip"], "subnet": SAME_VLAN_IP_1["subnet"], } }] } }, "r2": { "vlan": { VLAN_1: [{ intf_r2_s1: { "ip": SAME_VLAN_IP_2["ip"], "subnet": SAME_VLAN_IP_2["subnet"], } }] } }, "i1": { "vlan": { VLAN_1: [{ intf_i1_s1: { "ip": SAME_VLAN_IP_4["ip"], "subnet": SAME_VLAN_IP_4["subnet"], } }] } }, } add_interfaces_to_vlan(tgen, vlan_input) raw_config = { "r1": { "raw_config": [ "interface {}".format(intf_r1_s1), "no ip address {}".format(intf_r1_s1_addr), "no ip pim", ] }, "r2": { "raw_config": [ "interface {}".format(intf_r2_s1), "no ip address {}".format(intf_r2_s1_addr), "no ip pim", ] }, "i1": { "raw_config": [ "interface {}".format(intf_i1_s1), "no ip address {}".format(intf_i1_s1_addr), ] }, } result = apply_raw_config(tgen, raw_config) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) raw_config = { "r1": { "raw_config": [ "interface {}.{}".format(intf_r1_s1, VLAN_1), "ip address {}/{}".format(SAME_VLAN_IP_1["ip"], SAME_VLAN_IP_1["cidr"]), "ip pim", "ip igmp", "ip igmp version 2", ] }, "r2": { "raw_config": [ "interface {}.{}".format(intf_r2_s1, VLAN_1), "ip address {}/{}".format(SAME_VLAN_IP_2["ip"], SAME_VLAN_IP_2["cidr"]), "ip pim", "ip igmp", "ip igmp version 2", ] }, "i1": { "raw_config": [ "interface {}.{}".format(intf_i1_s1, VLAN_1), "ip address {}/{}".format(SAME_VLAN_IP_4["ip"], SAME_VLAN_IP_4["cidr"]), ] }, } result = apply_raw_config(tgen, raw_config) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) for dut, intf in zip(["r1", "r2"], [intf_r1_s1, intf_r2_s1]): raw_config = { dut: { "raw_config": [ "interface {}.{}".format(intf, VLAN_1), "ip pim hello {} {}".format(HELLO_TIMER, HOLD_TIMER), ] } } result = apply_raw_config(tgen, raw_config) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) step("Configure R4 as RP on all the nodes for group range 224.0.0.0/24") input_dict = { "r4": { "pim": { "rp": [{ "rp_addr": topo["routers"]["r4"]["links"]["lo"]["ipv4"].split("/")[0], "group_addr_range": GROUP_RANGE_1 + GROUP_RANGE_3, }] } } } result = create_pim_config(tgen, topo, input_dict) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) step("Send IGMP local join for groups 226.1.1.1 to 226.1.1.5") vlan_intf_r1_s1 = "{}.{}".format(intf_r1_s1, VLAN_1) input_dict = { "r1": { "igmp": { "interfaces": { vlan_intf_r1_s1: { "igmp": { "version": "2", "join": IGMP_JOIN_RANGE_1 } } } } } } result = create_igmp_config(tgen, topo, input_dict) assert result is True, "Testcase {}: Failed Error: {}".format( tc_name, result) step("Enable OSPF between all the nodes") step("Configure local join on R1 for group range (227.1.1.1)") vlan_intf_r1_s1 = "{}.{}".format(intf_r1_s1, VLAN_1) input_dict = { "r1": { "igmp": { "interfaces": { vlan_intf_r1_s1: { "igmp": { "version": "2", "join": IGMP_JOIN_RANGE_3 } } } } } } result = create_igmp_config(tgen, topo, input_dict) assert result is True, "Testcase {}: Failed Error: {}".format( tc_name, result) step("Start traffic from R4 connected source") input_src = {"i2": topo["routers"]["i2"]["links"]["r5"]["interface"]} result = app_helper.run_traffic("i2", IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3, "r5") assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) step("R1, R2 and R2 has IGMP groups for 226.x.x.x and 227.1.1.1 groups") intf_r1_s1 = "{}.{}".format( topo["routers"]["r1"]["links"]["s1"]["interface"], VLAN_1) intf_r2_s1 = "{}.{}".format( topo["routers"]["r2"]["links"]["s1"]["interface"], VLAN_1) for dut, intf in zip(["r1", "r2"], [intf_r1_s1, intf_r2_s1]): result = verify_igmp_groups(tgen, dut, intf, IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) step("R1 is DR, R2 has 226.x.x.x and 227.1.1.1 (*,G) mroute with SC flag") step("(S,G) mroute for 226.1.1.1 group present on R2") source_i2 = topo["routers"]["i2"]["links"]["r5"]["ipv4"].split("/")[0] input_dict_r2 = [{ "dut": "r2", "src_address": "*", "iif": topo["routers"]["r2"]["links"]["r4"]["interface"], "oil": "{}.{}".format(topo["routers"]["r2"]["links"]["s1"]["interface"], VLAN_1), }] for data in input_dict_r2: result = verify_mroutes( tgen, data["dut"], data["src_address"], IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3, data["iif"], data["oil"], ) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) for dut, flag in zip(["r2"], ["SC"]): step("{} has (*,G) flag as {}".format(dut, flag)) result = verify_multicast_flag_state(tgen, dut, "*", IGMP_JOIN_RANGE_1, flag) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) step("Delete local join from DR node") for _join in IGMP_JOIN_RANGE_3: input_dict = { "r1": { "igmp": { "interfaces": { vlan_intf_r1_s1: { "igmp": { "join": [_join], "delete_attr": True, } } } } } } result = create_igmp_config(tgen, topo, input_dict) assert result is True, "Testcase {}: Failed Error: {}".format( tc_name, result) step( "After removing local join 227.1.1.1 group removed from IGMP join " "of R1, R2 node , using 'show ip igmp groups json'") for dut, intf in zip(["r1", "r2"], [intf_r1_s1, intf_r2_s1]): result = verify_igmp_groups(tgen, dut, intf, IGMP_JOIN_RANGE_3, expected=False) assert result is not True, ( "Testcase {} : Failed \n " "IGMP groups are still present \n Error: {}".format( tc_name, result)) step("(*,G) mroute for 227.1.1.1 group removed from R1 node") step( "After remove of local join from R1 and R2 node verify (*,G) and (S,G) " "mroutes should not present on R1, R2 and R3 nodes") for data in input_dict_r2: result = verify_mroutes( tgen, data["dut"], data["src_address"], IGMP_JOIN_RANGE_1, data["iif"], data["oil"], ) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) result = verify_mroutes( tgen, data["dut"], data["src_address"], IGMP_JOIN_RANGE_3, data["iif"], data["oil"], expected=False, ) assert ( result is not True ), "Testcase {} : Failed \n " "mroutes are still present \n Error: {}".format( tc_name, result) step("Configure local join on R2 for group range (227.1.1.1)") input_dict = { "r2": { "igmp": { "interfaces": { intf_r2_s1: { "igmp": { "version": "2", "join": IGMP_JOIN_RANGE_3 } } } } } } result = create_igmp_config(tgen, topo, input_dict) assert result is True, "Testcase {}: Failed Error: {}".format( tc_name, result) step( "After configuring local join on R2 non DR node, IGMP groups for 26.x.x.x and " "227.1.1.1 present on all the nodes") for dut, intf in zip(["r1", "r2"], [intf_r1_s1, intf_r2_s1]): result = verify_igmp_groups(tgen, dut, intf, IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) step("R2 has 227.1.1.1 (*,G) mroute with SC flag") for dut, flag in zip(["r2"], ["SC"]): step("{} has (*,G) flag as {}".format(dut, flag)) result = verify_multicast_flag_state(tgen, dut, "*", IGMP_JOIN_RANGE_3, flag) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) step("Configure local join on R1 for group range (227.1.1.1)") input_dict = { "r1": { "igmp": { "interfaces": { vlan_intf_r1_s1: { "igmp": { "version": "2", "join": IGMP_JOIN_RANGE_3 } } } } } } result = create_igmp_config(tgen, topo, input_dict) assert result is True, "Testcase {}: Failed Error: {}".format( tc_name, result) step( "After configuring 227.1.1.1 on R1 node, verify no change on IGMP groups on all the nodes" ) for dut, intf in zip(["r1", "r2"], [intf_r1_s1, intf_r2_s1]): result = verify_igmp_groups(tgen, dut, intf, IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3) assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) step("R2 has 227.1.1.1 (*,G) mroute with SC flag") step("r2 has (*,G) flag as SC") result = verify_multicast_flag_state(tgen, "r2", "*", IGMP_JOIN_RANGE_3, "SC") assert result is True, "Testcase {} : Failed Error: {}".format( tc_name, result) step("R1 should not have (*,G) join and (S,G) join present") input_dict_r1 = [ { "dut": "r1", "src_address": "*", "iif": topo["routers"]["r1"]["links"]["r4"]["interface"], "oil": "{}.{}".format(topo["routers"]["r1"]["links"]["s1"]["interface"], VLAN_1), }, { "dut": "r1", "src_address": source_i2, "iif": topo["routers"]["r1"]["links"]["r4"]["interface"], "oil": "{}.{}".format(topo["routers"]["r1"]["links"]["s1"]["interface"], VLAN_1), }, ] for data in input_dict_r1: result = verify_mroutes( tgen, data["dut"], data["src_address"], IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3, data["iif"], data["oil"], expected=False, ) assert ( result is not True ), "Testcase {} : Failed \n " "mroutes are still present \n Error: {}".format( tc_name, result) step("Remove local join from DR and Non DR node") input_dict = { "r1": { "igmp": { "interfaces": { vlan_intf_r1_s1: { "igmp": { "version": "2", "join": IGMP_JOIN_RANGE_3, "delete_attr": True, } } } } }, "r2": { "igmp": { "interfaces": { intf_r2_s1: { "igmp": { "version": "2", "join": IGMP_JOIN_RANGE_3, "delete_attr": True, } } } } }, } result = create_igmp_config(tgen, topo, input_dict) assert result is True, "Testcase {}: Failed Error: {}".format( tc_name, result) step( "After remove of local join from R1 and R2 node verify (*,G) and (S,G) mroutes " "should not present on R1, R2 nodes") for data in input_dict_r1: result = verify_mroutes( tgen, data["dut"], data["src_address"], IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3, data["iif"], data["oil"], expected=False, ) assert ( result is not True ), "Testcase {} : Failed \n " "mroutes are still present \n Error: {}".format( tc_name, result) for data in input_dict_r2: result = verify_mroutes( tgen, data["dut"], data["src_address"], IGMP_JOIN_RANGE_1 + IGMP_JOIN_RANGE_3, data["iif"], data["oil"], expected=False, ) assert ( result is not True ), "Testcase {} : Failed \n " "mroutes are still present \n Error: {}".format( tc_name, result) write_test_footer(tc_name)