diff options
| -rw-r--r-- | resources/libraries/python/honeycomb/proxyARP.py | 80 | ||||
| -rw-r--r-- | resources/libraries/robot/honeycomb/proxyarp.robot | 122 | ||||
| -rwxr-xr-x | resources/traffic_scripts/ipv6_nd_proxy_check.py | 194 | ||||
| -rw-r--r-- | tests/func/honeycomb/mgmt-cfg-proxyarp-apihc-func.robot | 2 | ||||
| -rw-r--r-- | tests/func/honeycomb/mgmt-cfg-proxynd6-apihc-func.robot | 108 |
5 files changed, 503 insertions, 3 deletions
diff --git a/resources/libraries/python/honeycomb/proxyARP.py b/resources/libraries/python/honeycomb/proxyARP.py index 78e71a75e4..90d15b1288 100644 --- a/resources/libraries/python/honeycomb/proxyARP.py +++ b/resources/libraries/python/honeycomb/proxyARP.py @@ -150,3 +150,83 @@ class ProxyARPKeywords(object): """ raise NotImplementedError("Not supported in VPP.") + + +class IPv6NDProxyKeywords(object): + """Keywords for IPv6 Neighbor Discovery proxy configuration.""" + + def __init__(self): + pass + + @staticmethod + def configure_ipv6nd(node, interface, addresses=None): + """Configure IPv6 Neighbor Discovery proxy on the specified interface, + or remove/replace an existing configuration. + + :param node: Honeycomb node. + :param interface: Name of an interface on the node. + :param addresses: IPv6 addresses to configure ND proxy with. If no + address is provided, ND proxy configuration will be removed. + :type node: dict + :type interface: str + :type addresses: list + :returns: Content of response. + :rtype: bytearray + :raises HoneycombError: If the operation fails. + """ + + interface = Topology.convert_interface_reference( + node, interface, "name") + interface = interface.replace("/", "%2F") + + path = "/interface/{0}/ietf-ip:ipv6/nd-proxies".format(interface) + + if addresses is None: + status_code, resp = HcUtil. \ + delete_honeycomb_data(node, "config_vpp_interfaces", path) + else: + data = { + "nd-proxies": { + "nd-proxy": [{"address": x} for x in addresses] + } + } + + status_code, resp = HcUtil. \ + put_honeycomb_data(node, "config_vpp_interfaces", data, path, + data_representation=DataRepresentation.JSON) + + if status_code not in (HTTPCodes.OK, HTTPCodes.ACCEPTED): + raise HoneycombError( + "IPv6 ND proxy configuration unsuccessful. " + "Status code: {0}.".format(status_code)) + else: + return resp + + @staticmethod + def get_ipv6nd_configuration(node, interface): + """Read IPv6 Neighbor Discovery proxy configuration on the specified + interface. + + :param node: Honeycomb node. + :param interface: Name of an interface on the node. + :type node: dict + :type interface: str + :returns: Content of response. + :rtype: bytearray + :raises HoneycombError: If the configuration could not be read. + """ + + interface = Topology.convert_interface_reference( + node, interface, "name") + interface = interface.replace("/", "%2F") + + path = "/interface/{0}/ietf-ip:ipv6/nd-proxies".format(interface) + + status_code, resp = HcUtil.get_honeycomb_data( + node, "config_vpp_interfaces", path) + if status_code != HTTPCodes.OK: + raise HoneycombError( + "Could not read IPv6 ND proxy configuration. " + "Status code: {0}.".format(status_code)) + else: + return resp diff --git a/resources/libraries/robot/honeycomb/proxyarp.robot b/resources/libraries/robot/honeycomb/proxyarp.robot index 377c956760..b9e9b81215 100644 --- a/resources/libraries/robot/honeycomb/proxyarp.robot +++ b/resources/libraries/robot/honeycomb/proxyarp.robot @@ -12,8 +12,8 @@ # limitations under the License. *** Settings *** -| Library | resources.libraries.python.honeycomb.proxyARP.ProxyARPKeywords -| Documentation | Keywords used to test Honeycomb proxyARP. +| Library | resources.libraries.python.honeycomb.proxyARP.IPv6NDProxyKeywords +| Documentation | Keywords used to test Honeycomb ARP proxy and IPv6ND proxy. *** Keywords *** | Honeycomb configures proxyARP @@ -55,6 +55,7 @@ | | ... | | ... | \| Honeycomb enables proxyARP on interface \| ${nodes['DUT1']} \ | | ... | \| GigabitEthernet0/8/0 \| +| | ... | | [Arguments] | ${node} | ${interface} | | Set proxyARP interface config | ${node} | ${interface} | enable @@ -72,3 +73,120 @@ | | ... | \| GigabitEthernet0/8/0 \| | | [Arguments] | ${node} | ${interface} | | Set proxyARP interface config | ${node} | ${interface} | disable + +| Honeycomb configures IPv6 ND proxy on interface +| | [Documentation] | Uses Honeycomb API to enable the IPv6 ND proxy\ +| | ... | feature on an interface. +| | ... +| | ... | *Arguments:* +| | ... | - node - information about a DUT node. Type: dictionary +| | ... | - interface - name of an interface on the node. Type: string +| | ... | - addresses - one or more addresses to configure ND proxy with.\ +| | ... | Type: string +| | ... +| | ... | *Example:* +| | ... +| | ... | \| Honeycomb configures IPv6 ND proxy on interface \ +| | ... | \| ${nodes['DUT1']} \| GigabitEthernet0/8/0 \| 10::10 \| 10::11 \| +| | ... +| | [Arguments] | ${node} | ${interface} | @{addresses} +| | Configure IPv6ND | ${node} | ${interface} | ${addresses} + +| Honeycomb disables IPv6 ND proxy on interface +| | [Documentation] | Uses Honeycomb API to disable the IPv6 ND proxy\ +| | ... | feature on an interface. +| | ... +| | ... | *Arguments:* +| | ... | - node - information about a DUT node. Type: dictionary +| | ... | - interface - name of an interface on the node. Type: string +| | ... +| | ... | *Example:* +| | ... +| | ... | \| Honeycomb disables IPv6 ND proxy on interface \| ${nodes['DUT1']} \ +| | ... | \| GigabitEthernet0/8/0 \| +| | [Arguments] | ${node} | ${interface} +| | Configure IPv6ND | ${node} | ${interface} + +| IPv6 ND proxy from Honeycomb should be +| | [Documentation] | Retrieves IPv6 ND proxy operational data and compares\ +| | ... | with expected values. +| | ... +| | ... | *Arguments:* +| | ... | - node - information about a DUT node. Type: dictionary +| | ... | - interface - name of an interface on the node. Type: string +| | ... | - addresses - one or more addresses to expect. Type: string +| | ... +| | ... | *Example:* +| | ... +| | ... | \| IPv6 ND proxy from Honeycomb should be \| ${nodes['DUT1']} \ +| | ... | \| GigabitEthernet0/8/0 \| 10::10 \| 10::11 \| +| | ... +| | [Arguments] | ${node} | ${interface} | @{addresses} +| | ${oper_data}= | Get interface oper data | ${node} | ${interface} +| | ${oper_data}= | Set Variable +| | ... | ${oper_data['ietf-ip:ipv6']['nd-proxy:nd-proxies']['nd-proxy']} +| | ${data}= | Evaluate | [{"address":x} for x in $addresses] +| | Sort List | ${oper_data} +| | Sort List | ${data} +| | Should be equal | ${oper_data} | ${data} + +| IPv6 ND proxy from Honeycomb should be empty +| | [Documentation] | Retrieves IPv6 ND proxy operational data and expects\ +| | ... | to fail due to no data present. +| | ... +| | ... | *Arguments:* +| | ... | - node - information about a DUT node. Type: dictionary +| | ... | - interface - name of an interface on the node. Type: string +| | ... +| | ... | *Example:* +| | ... +| | ... | \|IPv6 ND proxy from Honeycomb should be empty \| ${nodes['DUT1']} \ +| | ... | \| GigabitEthernet0/8/0 \| +| | ... +| | [Arguments] | ${node} | ${interface} +| | ${oper_data}= | Get interface oper data | ${node} | ${interface} +| | Variable Should Not Exist +| | ... | ${oper_data['ietf-ip:ipv6']['nd-proxy:nd-proxies']['nd-proxy']} + +| Verify IPv6ND Proxy +| | [Documentation] | Send and receive ICMPv6 messages between TG interfaces +| | ... | through Neighbor Discovery proxy. +| | ... +| | ... | *Arguments:* +| | ... | - tg_node - TG node. Type: dictionary +| | ... | - tg_interface1 - TG interface. Type: string +| | ... | - tg_interface2 - TG interface. Type: string +| | ... | - src_ip - Source IPv6 address to use. Type: string +| | ... | - dst_ip - Destination IPv6 address to use. Type: string +| | ... | - src_mac - MAC address of source interface. Type: string +| | ... | - dst_mac - MAC address of destination interface. Type: string +| | ... | - proxy_to_src_mac - MAC address of DUT interface on link to source\ +| | ... | TG interface. Type: string +| | ... | - proxy_to_dst_mac - MAC address of DUT interface on link to dest\ +| | ... | TG interface. Type: string +| | ... +| | ... | *Return:* +| | ... | - No value returned. +| | ... +| | ... | *Example:* +| | ... +| | ... | \| Verify IPv6ND Proxy \| ${nodes['TG']} \ +| | ... | \| eth3 \| eth4 \| 3ffe:62::1 \| 3ffe:63::2 \ +| | ... | \| 08:00:27:cc:4f:54 \| 08:00:27:64:18:d2 \ +| | ... | \| 08:00:27:c9:6a:d5 \| 08:00:27:c4:75:3a \| +| | ... +| | [Arguments] | ${tg_node} | ${tg_interface1} | ${tg_interface2} +| | ... | ${src_ip} | ${dst_ip} | ${src_mac} | ${dst_mac} +| | ... | ${proxy_to_src_mac} | ${proxy_to_dst_mac} +| | ${tg_interface_name1}= | Get interface name | ${tg_node} | ${tg_interface1} +| | ${tg_interface_name2}= | Get interface name | ${tg_node} | ${tg_interface2} +| | ${args}= | Catenate | --tx_if | ${tg_interface_name1} +| | ... | --rx_if | ${tg_interface_name2} +| | ... | --src_ip | ${src_ip} +| | ... | --dst_ip | ${dst_ip} +| | ... | --src_mac | ${src_mac} +| | ... | --dst_mac | ${dst_mac} +| | ... | --proxy_to_src_mac | ${proxy_to_src_mac} +| | ... | --proxy_to_dst_mac | ${proxy_to_dst_mac} +| | Run Traffic Script On Node | ipv6_nd_proxy_check.py +| | ... | ${tg_node} | ${args} diff --git a/resources/traffic_scripts/ipv6_nd_proxy_check.py b/resources/traffic_scripts/ipv6_nd_proxy_check.py new file mode 100755 index 0000000000..b1028028b0 --- /dev/null +++ b/resources/traffic_scripts/ipv6_nd_proxy_check.py @@ -0,0 +1,194 @@ +#!/usr/bin/env python +# Copyright (c) 2016 Cisco and/or its affiliates. +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at: +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Traffic script that sends DHCPv6 proxy packets.""" + +from scapy.layers.inet import Ether +from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest, ICMPv6EchoReply,\ + ICMPv6ND_NS + +from resources.libraries.python.PacketVerifier import RxQueue, TxQueue +from resources.libraries.python.TrafficScriptArg import TrafficScriptArg + + +def imcpv6nd_solicit(tx_if, src_mac, dst_mac, src_ip, dst_ip): + """Send ICMPv6 Neighbor Solicitation packet and expect a response + from the proxy. + + :param tx_if: Interface on TG. + :param src_mac: MAC address of TG interface. + :param dst_mac: MAC address of proxy interface. + :param src_ip: IP address of TG interface. + :param dst_ip: IP address of proxied interface. + :type tx_if: str + :type src_mac: str + :type dst_mac: str + :type src_ip: str + :type dst_ip: str + :raises RuntimeError: If the received packet is not correct. + """ + + rxq = RxQueue(tx_if) + txq = TxQueue(tx_if) + + sent_packets = [] + + icmpv6nd_solicit_pkt =\ + Ether(src=src_mac, dst=dst_mac) / \ + IPv6(src=src_ip) / \ + ICMPv6ND_NS(tgt=dst_ip) + + sent_packets.append(icmpv6nd_solicit_pkt) + txq.send(icmpv6nd_solicit_pkt) + + ether = None + for _ in range(5): + pkt = rxq.recv(3, ignore=sent_packets) + if pkt is not None: + ether = pkt + break + + if ether is None: + raise RuntimeError('ICMPv6ND Proxy response timeout.') + + if ether.src != dst_mac: + raise RuntimeError("Source MAC address error: {} != {}".format( + ether.src, dst_mac)) + print "Source MAC address: OK." + + if ether.dst != src_mac: + raise RuntimeError("Destination MAC address error: {} != {}".format( + ether.dst, src_mac)) + print "Destination MAC address: OK." + + if ether['IPv6'].src != dst_ip: + raise RuntimeError("Source IP address error: {} != {}".format( + ether['IPv6'].src, dst_ip)) + print "Source IP address: OK." + + if ether['IPv6'].dst != src_ip: + raise RuntimeError("Destination IP address error: {} != {}".format( + ether['IPv6'].dst, src_ip)) + print "Destination IP address: OK." + + try: + target_addr = ether['IPv6']\ + ['ICMPv6 Neighbor Discovery - Neighbor Advertisement'].tgt + except (KeyError, AttributeError): + raise RuntimeError("Not an ICMPv6ND Neighbor Advertisement packet.") + + if target_addr != dst_ip: + raise RuntimeError("ICMPv6 field 'Target address' error:" + " {} != {}".format(target_addr, dst_ip)) + print "Target address field: OK." + + +def ipv6_ping(src_if, dst_if, src_mac, dst_mac, + proxy_to_src_mac, proxy_to_dst_mac, src_ip, dst_ip): + """Sends ICMPv6 Echo Request, receive it and send a reply. + + :param src_if: First TG interface on link to DUT. + :param dst_if: Second TG interface on link to DUT. + :param src_mac: MAC address of first interface. + :param dst_mac: MAC address of second interface. + :param proxy_to_src_mac: MAC address of first proxy interface on DUT. + :param proxy_to_dst_mac: MAC address of second proxy interface on DUT. + :param src_ip: IP address of first interface. + :param dst_ip: IP address of second interface. + :type src_if: str + :type dst_if: str + :type src_mac: str + :type dst_mac: str + :type proxy_to_src_mac: str + :type proxy_to_dst_mac: str + :type src_ip: str + :type dst_ip: str + :raises RuntimeError: If a received packet is not correct. + """ + rxq = RxQueue(dst_if) + txq = TxQueue(src_if) + + icmpv6_ping_pkt = \ + Ether(src=src_mac, dst=proxy_to_src_mac) / \ + IPv6(src=src_ip, dst=dst_ip) / \ + ICMPv6EchoRequest() + + txq.send(icmpv6_ping_pkt) + + ether = None + for _ in range(5): + pkt = rxq.recv(3) + if pkt is not None: + ether = pkt + break + + if ether is None: + raise RuntimeError('ICMPv6 Echo Request timeout.') + try: + ether["IPv6"]["ICMPv6 Echo Request"] + except KeyError: + raise RuntimeError("Received packet is not an ICMPv6 Echo Request.") + print "ICMP Echo: OK." + + rxq = RxQueue(src_if) + txq = TxQueue(dst_if) + + icmpv6_ping_pkt = \ + Ether(src=dst_mac, dst=proxy_to_dst_mac) / \ + IPv6(src=dst_ip, dst=src_ip) / \ + ICMPv6EchoReply() + + txq.send(icmpv6_ping_pkt) + + ether = None + for _ in range(5): + pkt = rxq.recv(3) + if pkt is not None: + ether = pkt + break + + if ether is None: + raise RuntimeError('DHCPv6 SOLICIT timeout') + try: + ether["IPv6"]["ICMPv6 Echo Reply"] + except KeyError: + raise RuntimeError("Received packet is not an ICMPv6 Echo Reply.") + + print "ICMP Reply: OK." + + +def main(): + """Send DHCPv6 proxy messages.""" + + args = TrafficScriptArg(['src_ip', 'dst_ip', 'src_mac', 'dst_mac', + 'proxy_to_src_mac', 'proxy_to_dst_mac']) + + src_if = args.get_arg('tx_if') + dst_if = args.get_arg('rx_if') + src_ip = args.get_arg("src_ip") + dst_ip = args.get_arg("dst_ip") + src_mac = args.get_arg('src_mac') + dst_mac = args.get_arg('dst_mac') + proxy_to_src_mac = args.get_arg('proxy_to_src_mac') + proxy_to_dst_mac = args.get_arg('proxy_to_dst_mac') + + # Neighbor solicitation + imcpv6nd_solicit(src_if, src_mac, proxy_to_src_mac, src_ip, dst_ip) + + # Verify route (ICMP echo/reply) + ipv6_ping(src_if, dst_if, src_mac, dst_mac, + proxy_to_src_mac, proxy_to_dst_mac, src_ip, dst_ip) + +if __name__ == "__main__": + main() diff --git a/tests/func/honeycomb/mgmt-cfg-proxyarp-apihc-func.robot b/tests/func/honeycomb/mgmt-cfg-proxyarp-apihc-func.robot index f63d8adce2..aea7f2d2c8 100644 --- a/tests/func/honeycomb/mgmt-cfg-proxyarp-apihc-func.robot +++ b/tests/func/honeycomb/mgmt-cfg-proxyarp-apihc-func.robot @@ -33,7 +33,7 @@ | Suite Teardown | ... | Run Keyword If Any Tests Failed | ... | Restart Honeycomb And VPP And Clear Persisted Configuration | ${node} -| Force Tags | honeycomb_sanity | honeycomb_test +| Force Tags | honeycomb_sanity | Documentation | *Honeycomb proxyARP management test suite.* *** Test Cases *** diff --git a/tests/func/honeycomb/mgmt-cfg-proxynd6-apihc-func.robot b/tests/func/honeycomb/mgmt-cfg-proxynd6-apihc-func.robot new file mode 100644 index 0000000000..2e2f06244a --- /dev/null +++ b/tests/func/honeycomb/mgmt-cfg-proxynd6-apihc-func.robot @@ -0,0 +1,108 @@ +# Copyright (c) 2017 Cisco and/or its affiliates. +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at: +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +*** Variables *** +# Interface to run configuration tests on. +| ${interface}= | ${node['interfaces']['port1']['name']} +# IPv6 addresses to configure on DUT. +| ${dut_to_tg_if1_ip}= | 10::1 +| ${dut_to_tg_if2_ip}= | 11::1 +# IPv6 addresses used for TG interfaces. +| ${test_src_ip}= | 10::2 +| ${test_dst_ip}= | 11::2 +| ${test_dst_ip2}= | 11::3 +# IPv6 subnet prefix length +| ${prefix_length}= | 64 + +*** Settings *** +| Resource | resources/libraries/robot/default.robot +| Resource | resources/libraries/robot/honeycomb/honeycomb.robot +| Resource | resources/libraries/robot/honeycomb/interfaces.robot +| Resource | resources/libraries/robot/honeycomb/proxyarp.robot +| Resource | resources/libraries/robot/testing_path.robot +| Resource | resources/libraries/robot/ipv6.robot +| Resource | resources/libraries/robot/traffic.robot +| Resource | resources/libraries/robot/dhcp_proxy.robot +| Library | resources.libraries.python.Trace +| Test Setup | Clear Packet Trace on All DUTs | ${nodes} +| Suite Teardown | Restart Honeycomb And VPP | ${node} +| Force Tags | honeycomb_sanity | honeycomb_test +| Documentation | *Honeycomb IPv6 neighbor discovery proxy test suite.* + +*** Test Cases *** +| TC01: Honeycomb can configure IPv6 ND proxy on an interface +| | [Documentation] | Check if Honeycomb can configure the IPv6 ND proxy\ +| | ... | feature on an interface. +| | Given IPv6 ND proxy from Honeycomb should be empty | ${node} | ${interface} +| | And Honeycomb sets interface state | ${node} | ${interface} | up +| | When Honeycomb configures IPv6 ND proxy on interface +| | ... | ${node} | ${interface} | ${test_dst_ip} +| | Then IPv6 ND proxy from Honeycomb should be +| | ... | ${node} | ${interface} | ${test_dst_ip} + +| TC02: Honeycomb can disable IPv6 ND proxy on an interface +| | [Documentation] | Check if Honeycomb can remove IPv6 ND proxy feature\ +| | ... | configuration from an interface. +| | Given IPv6 ND proxy from Honeycomb should be +| | ... | ${node} | ${interface} | ${test_dst_ip} +| | When Honeycomb disables IPv6 ND proxy on interface | ${node} | ${interface} +| | Then IPv6 ND proxy from Honeycomb should be empty | ${node} | ${interface} + +| TC03: Honeycomb can configure multiple IPv6 ND proxies on an interface +| | [Documentation] | Check if Honeycomb can configure two ND proxies\ +| | ... | on one interface. +| | [Teardown] | Honeycomb disables IPv6 ND proxy on interface +| | ... | ${node} | ${interface} +| | Given IPv6 ND proxy from Honeycomb should be empty | ${node} | ${interface} +| | And Honeycomb sets interface state | ${node} | ${interface} | up +| | When Honeycomb configures IPv6 ND proxy on interface +| | ... | ${node} | ${interface} | ${test_dst_ip} | ${test_dst_ip2} +| | Then IPv6 ND proxy from Honeycomb should be +| | ... | ${node} | ${interface} | ${test_dst_ip} | ${test_dst_ip2} + +| TC04: VPP proxies valid ICMPv6 Neighbor Discovery request +| | [Documentation] | +| | ... | [Top] TG=DUT +| | ... | [Cfg] On DUT configure IPv6 addresses and neighbors, supress router\ +| | ... | advertisement and configure IPv6 Neighbor Discovery proxy. +| | ... | [Ver] Make TG send a neighbor solicitation packet to it's other\ +| | ... | interface through DUT, verify DUT responds to the packet instead\ +| | ... | of forwarding it. Then exchange ICMPv6 Echo request/reply to verify\ +| | ... | connectivity between interfaces. +| | ... | [Ref] RFC 4389 +| | ... +| | [Teardown] | Run Keywords +| | ... | Show Packet Trace on All DUTs | ${nodes} | AND +| | ... | Honeycomb disables IPv6 ND proxy on interface +| | ... | ${dut_node} | ${dut_to_tg_if2} +| | Given Path for 2-node testing is set +| | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} +| | Honeycomb sets interface state | ${dut_node} | ${dut_to_tg_if1} | up +| | Honeycomb sets interface state | ${dut_node} | ${dut_to_tg_if2} | up +| | Honeycomb sets interface ipv6 address | ${dut_node} +| | ... | ${dut_to_tg_if1} | ${dut_to_tg_if1_ip} | ${prefix_length} +| | Honeycomb sets interface ipv6 address | ${dut_node} +| | ... | ${dut_to_tg_if2} | ${dut_to_tg_if2_ip} | ${prefix_length} +| | And Vpp Ra Suppress Link Layer | ${dut_node} | ${dut_to_tg_if1} +| | And Vpp Ra Suppress Link Layer | ${dut_node} | ${dut_to_tg_if2} +| | And Honeycomb adds interface ipv6 neighbor | ${dut_node} | ${dut_to_tg_if1} +| | ... | ${test_src_ip} | ${tg_to_dut_if1_mac} +| | And Honeycomb adds interface ipv6 neighbor | ${dut_node} | ${dut_to_tg_if2} +| | ... | ${test_dst_ip} | ${tg_to_dut_if2_mac} +| | When Honeycomb configures IPv6 ND proxy on interface +| | ... | ${dut_node} | ${dut_to_tg_if2} | ${test_dst_ip} +| | Then Verify IPv6ND Proxy | ${tg_node} +| | ... | ${tg_to_dut_if1} | ${tg_to_dut_if2} +| | ... | ${test_src_ip} | ${test_dst_ip} +| | ... | ${tg_to_dut_if1_mac} | ${tg_to_dut_if2_mac} +| | ... | ${dut_to_tg_if1_mac} | ${dut_to_tg_if2_mac} |