Esempio n. 1
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def erspan_func_hooks(request):
    # add things at the start every test case
    # use 'request.node.name' to compare
    # if any thing specific a particular test case

    yield
    # add things at the end every test case
    # use 'request.node.name' to compare
    # if any thing specific a particular test case

    # Deleteing configured ACL rule at end of each test case
    if st.get_func_name(request) != 'test_ft_erspan_config_upload_save_reload_reboot':
        acl_dscp.config_flow_update_table(vars.D1, policy_name=data.acl_table_name, flow='del', policy_type=data.type,
                                          class_name=data.acl_rule)
        acl_dscp.config_classifier_table(dut=vars.D1, enable="del", class_name=data.acl_rule)

    if 'test_ft_erspan_action_ethertype_dscp_tcp_flags_l4range' in request.node.name:
        ip.delete_ip_interface(vars.D1, vars.D1T1P1, "2001:1::1", "64", family="ipv6")
        ip.delete_ip_interface(vars.D1, vars.D1T1P2, "2001:2::1", "64", family="ipv6")
        acl.delete_acl_rule(vars.D1, "L3_IPV6_INGRESS", "L3V6", "FWD_RULE1")
    if st.get_func_name(request) == 'test_ft_erspan_action_encapsulation':
        encap_list = ['0x88ee', '0x6558']
        for encap in encap_list:
            mirror.delete_session(vars.D1, "mirror_" + encap)
    if st.get_func_name(request) == 'test_ft_erspan_portchannel_shut_noshut':
        mirror.delete_session(vars.D1, data.mirror_session)
Esempio n. 2
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def erspan_post_config():
    """
    Author: Lakshminarayana D ([email protected])
    Using this post config at module level. So, applicable for all test cases which includes in this module.
    :return: None
    """

    # Unconfig ip address on DUT-1
    for port, ip_addr, in zip(data.port_list_d1, data.ip_list_d1):
        ip.delete_ip_interface(vars.D1, port, ip_addr, data.subnet_mask)

    # Unconfig ip address on DUT-2
    for port, ip_addr in zip(data.port_list_d2, data.ip_list_d2):
        ip.delete_ip_interface(vars.D2, port, ip_addr, data.subnet_mask)

    # Unconfig static route
    _, network = ip.get_network_addr("{}/{}".format(data.ip_T1D2P1, data.subnet_mask))
    ip.delete_static_route(vars.D1, data.ip_D2D1P1, network)
    _, network = ip.get_network_addr("{}/{}".format(data.ip_T1D1P1, data.subnet_mask))
    ip.delete_static_route(vars.D2, data.ip_D1D2P1, network)

    # Unconfig mirror session
    mirror.delete_session(vars.D1, data.session_name)

    # Unconfig acl rule
    acl_dscp.config_classifier_table(dut=vars.D1, enable="del", class_name=data.acl_rule)

    # Unconfig acl table
    acl_dscp.config_service_policy_table(dut=vars.D1, policy_kind='unbind', interface_name=vars.D1T1P1, stage='in',
                                         service_policy_name=data.acl_table_name, policy_type=data.type)
    acl_dscp.config_service_policy_table(dut=vars.D1, policy_kind='unbind', interface_name=vars.D1T1P2, stage='in',
                                         service_policy_name=data.acl_table_name, policy_type=data.type)
    acl_dscp.config_policy_table(dut=vars.D1, enable='del', policy_name=data.acl_table_name)

    acl.delete_acl_table(vars.D1, acl_table_name="L3_IPV6_INGRESS", acl_type="L3V6")
Esempio n. 3
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def erspan_post_config():
    """
    Author: Anil Kumar Kacharla<*****@*****.**>
    Using this post config at module level. So, applicable for all test cases which includes in this module.
    :return: None
    """

    # Unconfig ip address on DUT-1
    for port, ip_addr, in zip(data.port_list_d1, data.ip_list_d1):
        ip.delete_ip_interface(data.dut1, port, ip_addr, data.subnet_mask)

    # Unconfig ip address on DUT-2
    for port, ip_addr in zip(data.port_list_d2, data.ip_list_d2):
        ip.delete_ip_interface(data.dut2, port, ip_addr, data.subnet_mask)

    # Unconfig static route
    _, network = ip.get_network_addr("{}/{}".format(data.ip_T1D2P1,
                                                    data.subnet_mask))
    ip.delete_static_route(data.dut1, data.ip_D2D1P1, network)
    _, network = ip.get_network_addr("{}/{}".format(data.ip_T1D1P1,
                                                    data.subnet_mask))
    ip.delete_static_route(data.dut2, data.ip_D1D2P1, network)

    # Unconfig acl classifier
    acl_dscp.config_flow_update_table(data.dut1,
                                      policy_name=data.acl_table_name,
                                      flow='del',
                                      policy_type=data.type,
                                      class_name=data.acl_rule)
    acl_dscp.config_classifier_table(dut=data.dut1,
                                     enable="del",
                                     class_name=data.acl_rule)

    # Unconfig acl policy
    acl_dscp.config_service_policy_table(
        dut=data.dut1,
        policy_kind='unbind',
        interface_name=vars.D1T1P1,
        stage='in',
        service_policy_name=data.acl_table_name,
        policy_type=data.type)
    acl_dscp.config_policy_table(dut=data.dut1,
                                 enable='del',
                                 policy_name=data.acl_table_name)

    # Unconfig mirror session
    mirror.delete_session(data.dut1, data.session_name)
Esempio n. 4
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def test_ft_erspan_portchannel_shut_noshut():

    """
    Author: Kanala Ramprakash Reddy ( [email protected])
    TC1 FtOpSoSyErspanFn020: Verify that ERSPAN is working as expected after portchannel shut/no shut.
    :return:
    """
    st.log("############### Test started to check ERSPAN status between multiple link flaps###############")
    st.log("Creating mirror session")
    mirror.create_session(vars.D1, session_name=data.mirror_session, gre_type=data.gre_type, dscp=data.dscp,
                          ttl=data.ttl, queue=data.queue, src_ip=data.ip_T1D1P2, dst_ip=data.ip_T1D2P1)

    st.log("Creating ACL Policy")
    acl_dscp.config_classifier_table(vars.D1, enable='create', match_type="fields", class_name=data.acl_rule)
    acl_dscp.config_classifier_table(vars.D1, enable='yes', class_criteria="--src-ip", class_name=data.acl_rule,
                                     criteria_value=data.src_ip_mask, match_type="fields")
    acl_dscp.config_flow_update_table(vars.D1, policy_name=data.acl_table_name, flow='add', policy_type=data.type,
                                      class_name=data.acl_rule, priority_value=data.priority,
                                      description=data.description)
    acl_dscp.config_flow_update_table(vars.D1, policy_name=data.acl_table_name, flow='update', policy_type=data.type,
                                      class_name=data.acl_rule, priority_option='--mirror-session',
                                      priority_value=data.mirror_action)
    stream = data.tg1.tg_traffic_config(port_handle=data.tg_ph_1, mode='create', transmit_mode='continuous', length_mode='fixed',
                               rate_pps=data.rate_pps, l2_encap='ethernet_ii', mac_src='00:0a:01:00:00:01',
                               mac_dst=dut_mac, l3_protocol="ipv4", ip_src_addr=data.ip_T1D1P1,
                               ip_dst_addr=data.ip_T1D1P2)['stream_id']
    intf_obj.clear_interface_counters(vars.D1)
    st.log("Starting the traffic")
    data.tg1.tg_traffic_control(action='run', stream_handle=stream)
    for _ in range(5):
        intf_obj.interface_shutdown(vars.D1, [vars.D1D2P1], skip_verify=True)
        if not poll_wait(mirror.verify_session_all, 20, vars.D1, mirror_type="erspan", status="inactive",
                         session_name=data.mirror_session):
            st.error("Mirror session status should be inactive after port shutdown")
            data.flag = 0
        intf_obj.interface_noshutdown(vars.D1, [vars.D1D2P1], skip_verify=True)
        if not poll_wait(mirror.verify_session_all, 20, vars.D1, mirror_type="erspan", status="active",
                         session_name=data.mirror_session):
            st.error("Mirror session status should be active after port startup")
            data.flag = 0
    data.tg1.tg_traffic_control(action='stop', stream_handle=stream)
    if data.flag == 0:
        st.report_fail("test_case_failed")
    else:
        st.report_pass("test_case_passed")
Esempio n. 5
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def erspan_long_run_func_hooks(request):
    # add things at the start every test case
    # use 'request.node.name' to compare
    # if any thing specific a particular test case

    yield
    # add things at the end every test case
    # use 'request.node.name' to compare
    # if any thing specific a particular test case

    # Deleteing configured ACL classifier at end of each test case
    acl_dscp.config_classifier_table(dut=data.dut1,
                                     enable="del",
                                     class_name=data.acl_rule)

    if not erspan_pre_config_verify():
        st.log(
            "######Test case cleanup verification failed. Cleanup existing config and applying pre_config#######"
        )
        erspan_post_config()
        erspan_pre_config()
Esempio n. 6
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def test_ft_erspan_action_encapsulation():
    """
    Author: Lakshminarayana D ([email protected])
    Verify that ERSPAN is working as expected and intended traffic is mirrored to remote interface using various
    encapsulation methods:
    1. Encapsulation method 0x6558
    2. Encapsulation method 0x88ee

    Topology:
    ---------

    TG1 ----
                DUT1 ---- DUT2 ---- TG3
    TG2 ----

    """
    encap_list = ['0x88ee', '0x6558']
    for encap in encap_list:
        st.log("############### Test started for encapusulation method : {} ###############".format(encap))
        mirror.create_session(vars.D1, session_name="mirror_" + encap, gre_type=encap,
                              dscp=data.dscp, ttl=data.ttl, queue=data.queue, src_ip=data.ip_D1T1P1,
                              dst_ip=data.ip_T1D2P1)

        # creation and verification of ACL Rule
        acl_dscp.config_classifier_table(vars.D1, enable='create', match_type="fields", class_name=data.acl_rule)
        acl_dscp.config_classifier_table(vars.D1, enable='yes', class_criteria='--src-ip', class_name=data.acl_rule,
                                         criteria_value=data.src_ip_mask, match_type="fields")
        acl_dscp.config_flow_update_table(vars.D1, policy_name=data.acl_table_name, flow='add',policy_type=data.type,
                                          class_name=data.acl_rule, priority_value=data.priority,
                                          description=data.description)
        acl_dscp.config_flow_update_table(vars.D1, policy_name=data.acl_table_name, flow='update',policy_type=data.type,
                                          class_name=data.acl_rule, priority_option='--mirror-session',
                                          priority_value="mirror_" + encap)

        # TG traffic verification: Needed arguments : capture_values='11.1.1.2, capture_fields='src_ip'
        retval = send_traffic(capture_values=[encap.strip('0x')], capture_fields=['gre_protocol'], pkts_per_burst=5,
                              verify_capture=True)
        if not retval[1]:
            st.report_fail("traffic_verification_fail", 'capture')
    st.report_pass("test_case_passed")
Esempio n. 7
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def erspan_pre_config():
    """
    Author: Anil Kumar Kacharla<*****@*****.**>
    Using this pre config at module level. So, applicable for all test cases which includes in this module.
    :return: None
    """

    # IP address configuration on DUT-1
    for port, ip_addr, in zip(data.port_list_d1, data.ip_list_d1):
        ip.config_ip_addr_interface(data.dut1, port, ip_addr, data.subnet_mask)

    # IP address configuration on DUT-2
    for port, ip_addr in zip(data.port_list_d2, data.ip_list_d2):
        ip.config_ip_addr_interface(data.dut2, port, ip_addr, data.subnet_mask)

    # Create static route
    _, network = ip.get_network_addr("{}/{}".format(data.ip_T1D2P1,
                                                    data.subnet_mask))
    ip.create_static_route(data.dut1, data.ip_D2D1P1, network)
    _, network = ip.get_network_addr("{}/{}".format(data.ip_T1D1P1,
                                                    data.subnet_mask))
    ip.create_static_route(data.dut2, data.ip_D1D2P1, network)

    # creation and verification of Monitor session
    mirror.create_session(data.dut1,
                          session_name=data.session_name,
                          src_ip=data.ip_D1T1P1,
                          dst_ip=data.ip_T1D2P1,
                          gre_type=data.gre_type,
                          dscp=data.dscp,
                          ttl=data.ttl,
                          queue=data.queue)

    # creation and verification of ACL policy
    acl_dscp.config_policy_table(vars.D1,
                                 enable='create',
                                 policy_name=data.acl_table_name,
                                 policy_type=data.type)
    acl_dscp.config_service_policy_table(
        vars.D1,
        policy_kind="bind",
        interface_name=vars.D1T1P1,
        stage='in',
        service_policy_name=data.acl_table_name,
        policy_type=data.type)
    # creation and verification of ACL classifier
    acl_dscp.config_classifier_table(vars.D1,
                                     enable='create',
                                     match_type="fields",
                                     class_name=data.acl_rule)
    acl_dscp.config_classifier_table(data.dut1,
                                     enable='yes',
                                     class_criteria=['--src-ip'],
                                     class_name=data.acl_rule,
                                     criteria_value=[data.src_ip_mask],
                                     match_type="fields")
    acl_dscp.config_flow_update_table(data.dut1,
                                      policy_name=data.acl_table_name,
                                      flow='add',
                                      class_name=data.acl_rule,
                                      priority_value=data.priority,
                                      description=data.description,
                                      policy_type=data.type)
    acl_dscp.config_flow_update_table(data.dut1,
                                      policy_name=data.acl_table_name,
                                      flow='update',
                                      policy_type=data.type,
                                      class_name=data.acl_rule,
                                      priority_option='--mirror-session',
                                      priority_value=data.mirror_action)
Esempio n. 8
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def test_ft_erspan_basic_functionality():

    """
    Author: Sesha Koilkonda  ([email protected])
    TC1 FtOpSoSyErspanFn019: Verify that maximum number of mirror sessions are created.
    TC2 FtOpSoSyErspanFn015: Verify that multiple mirror sessions can be created and assigned to rules from the same ACL.
    TC3 FtOpSoSyErspanFn011: Verify that ERSPAN is working as expected and intended traffic is mirrored to remote interface from multiple interfaces.
    Notes from dev: Only 1 Mirror ACL configuration is supported as of now.
                    maximum Acl rules that can be configured in mirror sesssion(s) is 3.
    :return:
    """
    ip_add_src, ip_add_dst = data.ip_T1D1P1, data.ip_T1D2P1
    max_sessions, data.mask = 4, '32'
    tc_fail = 0
    acl_dscp.config_classifier_table(vars.D1, enable='create', match_type="fields", class_name=data.acl_rule)
    acl_dscp.config_classifier_table(vars.D1, enable='yes', class_criteria='--src-ip', class_name=data.acl_rule,
                                     criteria_value="{}/{}".format(ip_add_src, data.mask), match_type="fields")
    acl_dscp.config_flow_update_table(vars.D1, policy_name=data.acl_table_name, flow='add', policy_type=data.type,
                                      class_name=data.acl_rule, priority_value=data.priority,
                                      description=data.description)
    acl_dscp.config_flow_update_table(vars.D1, policy_name=data.acl_table_name, flow='update',policy_type=data.type,
                                      class_name=data.acl_rule, priority_option='--mirror-session',
                                      priority_value=data.session_name)

    #Configure the maximum supported mirror sessions(Session1 alreday created as part of module config.)
    for ele in range(1, max_sessions):
        _, ip_add_src = ip.increment_ip_addr("{}/{}".format(ip_add_src.split('/')[0], data.mask), "host")
        _, ip_add_dst = ip.increment_ip_addr("{}/{}".format(ip_add_dst.split('/')[0], data.mask), "host")
        if ele == 2: _, ip_add_src = ip.increment_ip_addr("{}/{}".format(data.ip_D1T1P2, data.mask), "host")

        mirror_args = {'session_name': data.session_name + str(ele),'src_ip': ip_add_src.split('/')[0], 'dst_ip': ip_add_dst.split('/')[0],
                        'dscp':'50', 'ttl':'60', 'gre_type':'0x88ee', 'queue':data.queue}
        mirror.create_session(vars.D1, **mirror_args)

        if not mirror.verify_session(vars.D1, **mirror_args):
            st.log("failed to configure the mirror session: {} ".format(data.session_name + str(ele)))
            tc_fail = 1
        acl_dscp.config_classifier_table(vars.D1, enable='create', match_type="fields", class_name=data.acl_rule+ str(ele))
        acl_dscp.config_classifier_table(vars.D1, enable='yes', class_criteria='--src-ip', match_type="fields",
                                         class_name=data.acl_rule + str(ele),
                                         criteria_value="{}".format(ip_add_src))
        acl_dscp.config_flow_update_table(vars.D1, policy_name=data.acl_table_name, flow='add', policy_type=data.type,
                                          class_name=data.acl_rule+str(ele),priority_value=int(data.priority) + ele,
                                          description=data.description)
        acl_dscp.config_flow_update_table(vars.D1, policy_name=data.acl_table_name, flow='update',policy_type=data.type,
                                          class_name=data.acl_rule+str(ele), priority_option='--mirror-session',
                                          priority_value=data.session_name + str(ele))

    # Traffic validations for the mirror sessions.
    ip_add_src, ip_add_dst, tg_src = data.ip_T1D1P1, data.ip_T1D1P2, 'tg_ph_1'
    for ele in range(0, max_sessions):
        if ele == 2:
            _, ip_add_src = ip.increment_ip_addr("{}/{}".format(data.ip_D1T1P2.split('/')[0], data.mask), "host")
            _, ip_add_dst = ip.increment_ip_addr("{}/{}".format(data.ip_D1T1P1.split('/')[0], data.mask), "host")
            tg_src = 'tg_ph_2'

        retval = send_traffic(capture_values=[ip_add_dst], capture_fields=['dst_ip'], ip_src_addr= ip_add_src.split('/')[0],
                             ip_dst_addr= ip_add_dst.split('/')[0], tg_src_port=tg_src)
        if not retval[0]:
            st.log('Traffic validation failed for the mirror session combination: source_ip {} , destination_ip {}'.format(ip_add_src,ip_add_dst))
            tc_fail = ele
        _, ip_add_src = ip.increment_ip_addr("{}/{}".format(ip_add_src.split('/')[0], data.mask), "host")

    #Unconfigration part
    for ele in range(1, max_sessions):
        acl_dscp.config_flow_update_table(vars.D1, policy_name=data.acl_table_name, flow='del',
                                          policy_type=data.type, class_name=data.acl_rule + str(ele))
        acl_dscp.config_classifier_table(dut=vars.D1, enable="del", class_name=data.acl_rule+str(ele))
        mirror.delete_session(vars.D1, data.session_name + str(ele))
    if tc_fail == 1:
        st.report_fail("mirror_session_fail", "")
    elif tc_fail == 2:
        st.report_fail("traffic_verification_fail", "packet count")
    st.report_pass("test_case_passed")
Esempio n. 9
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def test_ft_erspan_action_ethertype_dscp_tcp_flags_l4range():
    """
    Author: Lakshminarayana D ([email protected])
    Verify that ERSPAN is working as expected and intended traffic with TCP_FLAGS, L4_Range_Ports and dscp from ACL
    rule is mirrored to remote interface.
    Topology:
    ---------

    TG1 ----
             DUT1 ---- DUT2 ---- TG3
    TG2 ----

    """
    # tcp_flag_info = {'fin': 1, 'syn': 2, 'rst': 4, 'psh': 8, 'ack':16, 'urg': 32}
    ip.config_ip_addr_interface(vars.D1, vars.D1T1P1, "2001:1::1", "64", family="ipv6")
    ip.config_ip_addr_interface(vars.D1, vars.D1T1P2, "2001:2::1", "64", family="ipv6")
    tcp_flag_info = {'fin': 1}
    for k, v in tcp_flag_info.items():
        kn = 'psh' if k == 'urg' else 'urg'
        vn = 8 if v == 32 else 32
        proto = 'tcp'
        # l4 port values
        port_val = {'src_port': 2000, 'dst_port': 3000}
        c_fields = [proto + '_src_port', proto + '_dst_port', 'dscp']
        # Creating l4_port range parameters to TG stream
        tg_arg = {c_fields[0]: port_val['src_port'], c_fields[1]: port_val['dst_port'],
                  proto + "_src_port_mode": 'incr', proto + "_src_port_count": '10',
                  proto + "_dst_port_mode": 'incr', proto + "_dst_port_count": '10',
                  proto + '_src_port_step': '1', proto + '_dst_port_step': '1', 'tcp_' + k + '_flag': 1}
        # Creating l4_port range parameters to TG stream to verify negative scenario
        tg_argn = {c_fields[0]: port_val['src_port'] + 11, c_fields[1]: port_val['dst_port'] + 11,
                   'tcp_' + kn + '_flag': 1}
        criteria_list = ['--ip-proto', '--dscp', '--tcp-flags', '--src-ip', '--dst-ip','--ether-type', '--src-port',
                         '--dst-port']
        criteria_values = ['6', '8','fin',data.src_ip_mask,data.dst_ip_mask,'0x0800','2000-2010','3000-3010']
        acl.create_acl_rule(vars.D1, table_name="L3_IPV6_INGRESS", rule_name="FWD_RULE1", packet_action="FORWARD",
                            priority=900, ether_type='0x86dd', type="L3V6", ip_protocol="ip")
        acl_dscp.config_classifier_table(vars.D1, enable='create', match_type="fields", class_name=data.acl_rule)
        acl_dscp.config_classifier_table(vars.D1, enable='yes', class_criteria=criteria_list, class_name=data.acl_rule,
                                         criteria_value=criteria_values, match_type="fields")
        acl_dscp.config_flow_update_table(vars.D1,policy_name=data.acl_table_name,flow='add',class_name=data.acl_rule,
                                          priority_value=data.priority, description=data.description, policy_type=data.type)
        acl_dscp.config_flow_update_table(vars.D1, policy_name=data.acl_table_name, flow='update',policy_type=data.type,
                                          class_name=data.acl_rule, priority_option='--mirror-session',
                                          priority_value=data.mirror_action)
        match = [{'class_name': data.acl_rule}]
        if not acl_dscp.verify(vars.D1, 'classifier', verify_list=match):
            st.report_fail("classifier_opeartion_failed")
        # TG traffic verification:
        retval = send_traffic(capture_values=[hex(v).lstrip('0x').zfill(2), '0800'],
                              capture_fields=['tcp_flags', 'ether_type'],
                              ip_dscp='8', l4_protocol='tcp', **tg_arg)
        if not retval[0]:
            st.report_fail("traffic_verification_fail", 'packet count')

        # TG traffic verification-Negetive check:
        retval = send_traffic(capture_values=[hex(vn).lstrip('0x').zfill(2), '86dd'],
                              capture_fields=['tcp_flags', 'ether_type'],
                              ip_dscp='56', l4_protocol='tcp', family='ipv6', neg_check=True, **tg_argn)
        if retval[0]:
            st.report_fail("neg_traffic_verification_fail", 'packet count')
        rule_counters=acl.show_acl_counters(vars.D1, acl_table="L3_IPV6_INGRESS", acl_rule="FWD_RULE1", acl_type="ipv6")
        if not rule_counters:
            st.report_fail("matched_traffic_forward_fail")
        if not rule_counters[0]['packetscnt'] or int(rule_counters[0]['packetscnt']) < data.pkts_per_burst:
            st.report_fail("matched_traffic_forward_fail")
    st.report_pass("test_case_passed")
Esempio n. 10
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def test_ft_erspan_action_ip_protocol_ip_addr_l4_ports():
    """
    Author: Lakshminarayana D ([email protected])
    Verify that ERSPAN is working as expected and intended traffic with configured IP Protocol, SRC_IP, DST_IP,
    L4_SRC_PORT and L4_DST_PORT from ACL rule is mirrored to remote interface .
    Topology:
    ---------

    TG1 ----
                DUT1 ---- DUT2 ---- TG3
    TG2 ----

    """
    # l4 port protocols
    l4_protocol_list = ['tcp']
    for proto in l4_protocol_list:
        # l4 port values
        ip_port_val = {'src_port': 2000, 'dst_port': 3000, 'src_ip': data.ip_T1D1P1, 'dst_ip': data.ip_T1D1P2}
        # Used this dict for ACL rule to TG argument mapping
        acl_to_tg = {'src_ip': 'ip_dst_addr', 'dst_ip': 'ip_dst_addr'}
        # Parsing capture values in hexa decimal format
        c_values = [hex(ip_port_val['src_port']).lstrip('0x').zfill(4),
                    hex(ip_port_val['dst_port']).lstrip('0x').zfill(4), ip_port_val['src_ip'], ip_port_val['dst_ip']]
        # Creating capture fileds for capture packet header and offset values formation
        c_fields = [proto + '_src_port', proto + '_dst_port', 'src_ip', 'dst_ip']
        # Incrementing src and dst ip addresses
        _, incr_src = ip.increment_ip_addr("{}/{}".format(ip_port_val['src_ip'], data.mask), "host")
        _, incr_dst = ip.increment_ip_addr("{}/{}".format(ip_port_val['dst_ip'], data.mask), "host")
        # Parsing capture values in hexa decimal format for negative scenario
        cn_values = [hex(ip_port_val['src_port'] + 1).lstrip('0x').zfill(4),
                     hex(ip_port_val['dst_port'] + 1).lstrip('0x').zfill(4), incr_src.split('/')[0],
                     incr_dst.split('/')[0]]
        # Creating ip addresses and l4_port parameters to form TG stream
        tg_arg = {c_fields[0]: ip_port_val['src_port'], c_fields[1]: ip_port_val['dst_port'],
                  acl_to_tg['src_ip']: ip_port_val['src_ip'], acl_to_tg['dst_ip']: ip_port_val['dst_ip']}
        # Creating ip addresses and l4_port parameters to form TG stream to verify negative scenario
        tg_argn = {c_fields[0]: ip_port_val['src_port'] + 1, c_fields[1]: ip_port_val['dst_port'] + 1,
                   acl_to_tg['src_ip']: incr_src.split('/')[0], acl_to_tg['dst_ip']: incr_dst.split('/')[0]}

        # creation and verification of ACL Rule
        criteria_list = ['--ip-proto', '--src-port', '--dst-port', '--src-ip', '--dst-ip']
        criteria_values = ['6', ip_port_val['src_port'], ip_port_val['dst_port'],
                           "{}/{}".format(ip_port_val['src_ip'], data.mask),
                           "{}/{}".format(ip_port_val['dst_ip'], data.mask)]
        acl_dscp.config_classifier_table(vars.D1, enable='create', match_type="fields", class_name=data.acl_rule)
        acl_dscp.config_classifier_table(vars.D1, enable='yes', class_criteria=criteria_list, class_name=data.acl_rule,
                                         criteria_value=criteria_values, match_type="fields")
        acl_dscp.config_flow_update_table(vars.D1, policy_name=data.acl_table_name, flow='add', policy_type=data.type,
                                          class_name=data.acl_rule, priority_value=data.priority,
                                          description=data.description)
        acl_dscp.config_flow_update_table(vars.D1, policy_name=data.acl_table_name, flow='update',policy_type=data.type,
                                          class_name=data.acl_rule, priority_option='--mirror-session',
                                          priority_value=data.mirror_action)

        # TG traffic verification:
        retval = send_traffic(capture_values=c_values, capture_fields=c_fields, l4_protocol=proto, **tg_arg)
        if not retval[0]:
            st.report_fail("traffic_verification_fail", 'packet count')

        # TG traffic verification-Negetive check:
        retval = send_traffic(capture_values=cn_values, capture_fields=c_fields, l4_protocol=proto, neg_check=True,
                              **tg_argn)
        if retval[0]:
            st.report_fail("neg_traffic_verification_fail", 'packet count')
    st.report_pass("test_case_passed")