CSIT-247: IPv6 - ip6-ipsec-lispgpe-ip6 - main fib, phy2lisp, virt2lisp

Change-Id: I039e14b7c227318c70826068368430978f8f0a51
Signed-off-by: Zdeno Olsovsky <zolsovsk@cisco.com>

diff --git a/resources/libraries/python/VPPUtil.py b/resources/libraries/python/VPPUtil.py
new file mode 100644 (file)
index 0000000..32e1bb4
--- /dev/null
+++ b/resources/libraries/python/VPPUtil.py
@@ -0,0 +1,52 @@
+# 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.
+
+"""VPP util library"""
+from resources.libraries.python.ssh import SSH
+
+
+class VPPUtil(object):
+    """General class for any VPP related methods/functions."""
+
+    @staticmethod
+    def show_vpp_settings(node, *additional_cmds):
+        """Print default VPP settings. In case others are needed, can be
+        accepted as next parameters (each setting one parameter), preferably
+        in form of a string.
+
+        :param node: VPP node.
+        :param additional_cmds: Additional commands that the vpp should print
+         settings for.
+        :type node: dict
+        :type additional_cmds: tuple
+        """
+        def_setting_tb_displayed = {
+            'IPv6 FIB': 'ip6 fib',
+            'IPv4 FIB': 'ip fib',
+            'Interface IP': 'int addr',
+            'Interfaces': 'int',
+            'ARP': 'ip arp',
+            'Errors': 'err'
+        }
+
+        if additional_cmds:
+            for cmd in additional_cmds:
+                def_setting_tb_displayed['Custom Setting: {}'.format(cmd)] = cmd
+        ssh = SSH()
+        ssh.connect(node)
+        print("=" * 40)
+        for key, value in def_setting_tb_displayed.iteritems():
+            (_, stdout, _) = ssh.exec_command_sudo('vppctl sh {}'.format(value))
+            print("{} : {} \n".format(key, value))
+            print(stdout)
+            print("=" * 40)

diff --git a/resources/test_data/lisp/ipv6_lispgpe_ipv6/ipv6_lispgpe_ipsec_ipv6.py b/resources/test_data/lisp/ipv6_lispgpe_ipv6/ipv6_lispgpe_ipsec_ipv6.py
new file mode 100644 (file)
index 0000000..5d79e4b
--- /dev/null
+++ b/resources/test_data/lisp/ipv6_lispgpe_ipv6/ipv6_lispgpe_ipsec_ipv6.py
@@ -0,0 +1,54 @@
+# 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.
+
+"""Test variables for ip6-ipsec-lispgpe-ip6 encapsulation test suite."""
+
+# Lisp default global value
+locator_name = 'tst_locator'
+
+# Lisp default locator_set value
+duts_locator_set = {'locator_name': locator_name,
+                    'priority': 1,
+                    'weight': 1}
+
+# IPv4 Lisp static mapping configuration
+dut1_to_dut2_ip6 = '2001:cdba:3::1'
+dut2_to_dut1_ip6 = '2001:cdba:3::2'
+dut1_to_tg_ip6 = '2001:cdba:1::1'
+dut2_to_tg_ip6 = '2001:cdba:2::1'
+tg1_ip6 = '2001:cdba:1::2'
+tg2_ip6 = '2001:cdba:2::2'
+prefix6 = 64
+
+dut1_to_dut2_ip6_static_adjacency = {'vni': 0,
+                                     'deid': '2001:cdba:2::0',
+                                     'rloc': dut2_to_dut1_ip6,
+                                     'seid': '2001:cdba:1::0',
+                                     'prefix': 64}
+dut2_to_dut1_ip6_static_adjacency = {'vni': 0,
+                                     'deid': '2001:cdba:1::0',
+                                     'seid': '2001:cdba:2::0',
+                                     'rloc': dut1_to_dut2_ip6,
+                                     'prefix': 64}
+
+dut1_ip6_eid = {'locator_name': locator_name,
+                'vni': 0,
+                'eid': '2001:cdba:1::0',
+                'prefix': 64}
+dut2_ip6_eid = {'locator_name': locator_name,
+                'vni': 0,
+                'eid': '2001:cdba:2::0',
+                'prefix': 64}
+
+dut1_fib_table = '1'
+dut2_fib_table = '2'

diff --git a/tests/func/lisp/ipsec_ipv6_lispgpe_ipv6.robot b/tests/func/lisp/ipsec_ipv6_lispgpe_ipv6.robot
new file mode 100644 (file)
index 0000000..aeaeb58
--- /dev/null
+++ b/tests/func/lisp/ipsec_ipv6_lispgpe_ipv6.robot
@@ -0,0 +1,293 @@
+# 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.
+
+*** Settings ***
+| Library | resources.libraries.python.topology.Topology
+| Library | resources.libraries.python.NodePath
+| Library | resources.libraries.python.Trace
+| Library | resources.libraries.python.IPUtil
+| Library | resources.libraries.python.L2Util
+| Library | resources.libraries.python.LispUtil
+| Library | resources.libraries.python.VPPUtil
+| Library | resources.libraries.python.IPsecUtil
+| Library | resources.libraries.python.VatJsonUtil
+| Library | resources.libraries.python.IPv6Setup
+| Library | resources.libraries.python.VhostUser
+| Library | resources.libraries.python.QemuUtils
+| Library | String
+| Resource | resources/libraries/robot/traffic.robot
+| Resource | resources/libraries/robot/default.robot
+| Resource | resources/libraries/robot/interfaces.robot
+| Resource | resources/libraries/robot/testing_path.robot
+| Resource | resources/libraries/robot/ipv6.robot
+| Resource | resources/libraries/robot/ipsec.robot
+| Resource | resources/libraries/robot/qemu.robot
+| Resource | resources/libraries/robot/lisp/lispgpe.robot
+| Resource | resources/libraries/robot/bridge_domain.robot
+# Import configuration and test data:
+| Variables | resources/test_data/lisp/ipv6_lispgpe_ipv6/ipv6_lispgpe_ipsec_ipv6.py
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | VM_ENV | LISP
+| ...
+| Test Setup | Run Keywords | Setup all DUTs before test
+| ...        | AND          | Setup all TGs before traffic script
+| ...        | AND          | Update All Interface Data On All Nodes | ${nodes}
+| ...        | AND          | Vpp All Ra Suppress Link Layer | ${nodes}
+| Test Teardown | Run Keywords | Show Packet Trace on All DUTs | ${nodes}
+| ...           | AND          | Show vpp trace dump on all DUTs
+| ...           | AND          | Show VPP Settings | ${nodes['DUT1']}
+| ...           | AND          | Show VPP Settings | ${nodes['DUT2']}
+| ...
+| Documentation | *IPv6 - ip6-ipsec-lispgpe-ip6 - main fib,
+| ... | vrf (gpe_vni-to-vrf), phy2listp, virt2lisp*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:*Eth-IPv6-IPSec-LISPGPE-IPv6-ICMPv6,\
+| ... | *[Cfg] DUT configuration:* Each DUT is configured with LISP and IPsec.\
+| ... | IPsec is in transport mode. Tests cases are for IPsec configured both\
+| ... | on RLOC interface or lisp_gpe0 interface.
+| ... | *[Ver] TG verification:* Packet is send from TG(if1) across the DUT1\
+| ... | to DUT2 where it is forwarded to TG(if2).
+| ... | *[Ref] Applicable standard specifications:* RFC6830, RFC4303.
+
+*** Variables ***
+| ${dut2_spi}= | ${1000}
+| ${dut1_spi}= | ${1001}
+| ${ESP_PROTO}= | ${50}
+| ${sock1}= | /tmp/sock1
+| ${sock2}= | /tmp/sock2
+| ${bid}= | 10
+
+*** Test Cases ***
+| TC01: DUT1 and DUT2 route IPv6 bidirectionally over LISP GPE tunnel using IPsec (transport) on RLOC Int.
+| | [Documentation]
+| | ... | [Top] TG-DUT1-DUT2-TG.
+| | ... | [Enc] Eth-IPv6-IPSec-LISPGPE-IPv6-ICMPv6 on DUT1-DUT2,\
+| | ... | Eth-IPv6-ICMPv6 on TG-DUTn.
+| | ... | [Cfg] Configure IPv6 LISP static adjacencies on DUT1 and DUT2 with\
+| | ... | IPsec in between DUTS.
+| | ... | [Ver] Case: ip6-lispgpe-ipsec-ip6 - main fib, phys2lisp\
+| | ... | Make TG send ICMPv6 Echo Req between its interfaces across\
+| | ... | both DUTs and LISP GPE tunnel between them; verify IPv6 headers on\
+| | ... | received packets are correct.
+| | ... | [Ref] RFC6830, RFC4303.
+| | ...
+| | ${encr_alg}= | Crypto Alg AES CBC 128
+| | ${auth_alg}= | Integ Alg SHA1 96
+| | Given Setup Topology
+| | And Set up LISP GPE topology
+| | ... | ${dut1_node} | ${dut1_to_dut2} | ${NONE}
+| | ... | ${dut2_node} | ${dut2_to_dut1} | ${NONE}
+| | ... | ${duts_locator_set} | ${dut1_ip6_eid} | ${dut2_ip6_eid}
+| | ... | ${dut1_to_dut2_ip6_static_adjacency}
+| | ... | ${dut2_to_dut1_ip6_static_adjacency}
+| | And IPsec Generate Keys | ${encr_alg} | ${auth_alg}
+| | When VPP Setup IPsec Manual Keyed Connection
+| | ... | ${dut1_node} | ${dut1_to_dut2} | ${encr_alg} | ${encr_key}
+| | ... | ${auth_alg} | ${auth_key} | ${dut1_spi} | ${dut2_spi}
+| | ... | ${dut1_to_dut2_ip6} | ${dut2_to_dut1_ip6}
+| | And VPP Setup IPsec Manual Keyed Connection
+| | ... | ${dut2_node} | ${dut2_to_dut1} | ${encr_alg} | ${encr_key}
+| | ... | ${auth_alg} | ${auth_key} | ${dut2_spi} | ${dut1_spi}
+| | ... | ${dut2_to_dut1_ip6} | ${dut1_to_dut2_ip6}
+| | Then Send Packet And Check Headers
+| | ... | ${tg_node} | ${tg1_ip6} | ${tg2_ip6}
+| | ... | ${tg_to_dut1} | ${tg_to_dut1_mac} | ${dut1_to_tg_mac}
+| | ... | ${tg_to_dut2} | ${dut2_to_tg_mac} | ${tg_to_dut2_mac}
+| | And Send Packet And Check Headers
+| | ... | ${tg_node} | ${tg2_ip6} | ${tg1_ip6}
+| | ... | ${tg_to_dut2} | ${tg_to_dut2_mac} | ${dut2_to_tg_mac}
+| | ... | ${tg_to_dut1} | ${dut1_to_tg_mac} | ${tg_to_dut1_mac}
+
+| TC02: DUT1 and DUT2 route IPv6 bidirectionally over LISP GPE tunnel using IPsec (transport) lisp_gpe0 Int.
+| | [Documentation]
+| | ... | [Top] TG-DUT1-DUT2-TG.
+| | ... | [Enc] Eth-IPv6-IPSec-LISPGPE-IPv6-ICMPv6 on DUT1-DUT2,\
+| | ... | Eth-IPv6-ICMPv6 on TG-DUTn.
+| | ... | [Cfg] Configure IPv6 LISP static adjacencies on DUT1 and DUT2 with\
+| | ... | IPsec in between DUTS.
+| | ... | [Ver] Case: ip6-ipsec-lispgpe-ip6 - main fib, phys2lisp\
+| | ... | Make TG send ICMPv6 Echo Req between its interfaces across\
+| | ... | both DUTs and LISP GPE tunnel between them; verify IPv6 headers on\
+| | ... | received packets are correct.
+| | ... | [Ref] RFC6830, RFC4303.
+| | ...
+| | ${encr_alg}= | Crypto Alg AES CBC 128
+| | ${auth_alg}= | Integ Alg SHA1 96
+| | Given Setup Topology
+| | And Set up LISP GPE topology
+| | ... | ${dut1_node} | ${dut1_to_dut2} | ${NONE}
+| | ... | ${dut2_node} | ${dut2_to_dut1} | ${NONE}
+| | ... | ${duts_locator_set} | ${dut1_ip6_eid} | ${dut2_ip6_eid}
+| | ... | ${dut1_to_dut2_ip6_static_adjacency}
+| | ... | ${dut2_to_dut1_ip6_static_adjacency}
+| | ${lisp_if_idx}= | resources.libraries.python.InterfaceUtil.get sw if index
+| | ... | ${dut1_node} | lisp_gpe0
+| | And IPsec Generate Keys | ${encr_alg} | ${auth_alg}
+| | When VPP Setup IPsec Manual Keyed Connection
+| | ... | ${dut1_node} | ${lisp_if_idx} | ${encr_alg} | ${encr_key}
+| | ... | ${auth_alg} | ${auth_key} | ${dut1_spi} | ${dut2_spi} | ${tg1_ip6}
+| | ... | ${tg2_ip6}
+| | And VPP Setup IPsec Manual Keyed Connection
+| | ... | ${dut2_node} | ${lisp_if_idx} | ${encr_alg} | ${encr_key}
+| | ... | ${auth_alg} | ${auth_key} | ${dut2_spi} | ${dut1_spi} | ${tg2_ip6}
+| | ... | ${tg1_ip6}
+| | Then Send Packet And Check Headers
+| | ... | ${tg_node} | ${tg1_ip6} | ${tg2_ip6}
+| | ... | ${tg_to_dut1} | ${tg_to_dut1_mac} | ${dut1_to_tg_mac}
+| | ... | ${tg_to_dut2} | ${dut2_to_tg_mac} | ${tg_to_dut2_mac}
+| | And Send Packet And Check Headers
+| | ... | ${tg_node} | ${tg2_ip6} | ${tg1_ip6}
+| | ... | ${tg_to_dut2} | ${tg_to_dut2_mac} | ${dut2_to_tg_mac}
+| | ... | ${tg_to_dut1} | ${dut1_to_tg_mac} | ${tg_to_dut1_mac}
+
+| TC03: DUT1 and DUT2 route IPv6 over Vhost to LISP GPE tunnel using IPsec (transport) on RLOC Int.
+| | [Documentation]
+| | ... | [Top] TG-DUT1-DUT2-TG.
+| | ... | [Enc] Eth-IPv6-IPSec-LISPGPE-IPv6-ICMP on DUT1-DUT2, Eth-IPv6-ICMP\
+| | ... | on TG-DUTn.
+| | ... | [Cfg] Configure IPv6 LISP static adjacencies on DUT1 and DUT2 with\
+| | ... | IPsec in between DUTS. Create Qemu vm on DUT1 and configure bridge\
+| | ... | between two vhosts.
+| | ... | [Ver] Case: ip6-ipsec-lispgpe-ip6 - main fib, virt2lisp\
+| | ... | Make TG send ICMPv6 Echo Req between its interfaces across\
+| | ... | both DUTs and LISP GPE tunnel between them; verify IPv6 headers on\
+| | ... | received packets are correct.
+| | ... | [Ref] RFC6830, RFC4303.
+| | [Teardown] | Run Keywords | Show Packet Trace on All DUTs | ${nodes}
+| | ...           | AND       | Show vpp trace dump on all DUTs
+| | ...           | AND       | VPP Show Errors | ${nodes['DUT1']}
+| | ...           | AND       | VPP Show Errors | ${nodes['DUT2']}
+| | ...           | AND       | Stop and Clear QEMU | ${dut1_node} | ${vm_node}
+| | ...           | AND       | Show VPP Settings | ${dut1_node}
+| | ...
+| | ${encr_alg}= | Crypto Alg AES CBC 128
+| | ${auth_alg}= | Integ Alg SHA1 96
+| | Given Setup Topology
+| | And Setup Qemu DUT1
+| | And Set up LISP GPE topology
+| | ... | ${dut1_node} | ${dut1_to_dut2} | ${NONE}
+| | ... | ${dut2_node} | ${dut2_to_dut1} | ${NONE}
+| | ... | ${duts_locator_set} | ${dut1_ip6_eid} | ${dut2_ip6_eid}
+| | ... | ${dut1_to_dut2_ip6_static_adjacency}
+| | ... | ${dut2_to_dut1_ip6_static_adjacency}
+| | And IPsec Generate Keys | ${encr_alg} | ${auth_alg}
+| | When VPP Setup IPsec Manual Keyed Connection
+| | ... | ${dut1_node} | ${dut1_to_dut2} | ${encr_alg} | ${encr_key}
+| | ... | ${auth_alg} | ${auth_key} | ${dut1_spi} | ${dut2_spi}
+| | ... | ${dut1_to_dut2_ip6} | ${dut2_to_dut1_ip6}
+| | And VPP Setup IPsec Manual Keyed Connection
+| | ... | ${dut2_node} | ${dut2_to_dut1} | ${encr_alg} | ${encr_key}
+| | ... | ${auth_alg} | ${auth_key} | ${dut2_spi} | ${dut1_spi}
+| | ... | ${dut2_to_dut1_ip6} | ${dut1_to_dut2_ip6}
+| | Then Send Packet And Check Headers
+| | ... | ${tg_node} | ${tg1_ip6} | ${tg2_ip6}
+| | ... | ${tg_to_dut1} | ${tg_to_dut1_mac} | ${dst_vhost_mac}
+| | ... | ${tg_to_dut2} | ${dut2_to_tg_mac} | ${tg_to_dut2_mac}
+| | And Send Packet And Check Headers
+| | ... | ${tg_node} | ${tg2_ip6} | ${tg1_ip6}
+| | ... | ${tg_to_dut2} | ${tg_to_dut2_mac} | ${dut2_to_tg_mac}
+| | ... | ${tg_to_dut1} | ${dut1_to_tg_mac} | ${tg_to_dut1_mac}
+
+| TC04: DUT1 and DUT2 route IPv6 over Vhost to LISP GPE tunnel using IPsec (transport) on lisp_gpe0 Int.
+| | [Documentation]
+| | ... | [Top] TG-DUT1-DUT2-TG.
+| | ... | [Enc] Eth-IPv6-IPSec-LISPGPE-IPv6-ICMPv6 on DUT1-DUT2,\
+| | ... | Eth-IPv6-ICMPv6 on TG-DUTn.
+| | ... | [Cfg] Configure IPv6 LISP static adjacencies on DUT1 and DUT2 with\
+| | ... | IPsec in between DUTS.
+| | ... | [Ver] Case: ip6-ipsec-lispgpe-ip6 - main fib, virt2lisp\
+| | ... | Make TG send ICMPv6 Echo Req between its interfaces across\
+| | ... | both DUTs and LISP GPE tunnel between them; verify IPv6 headers on\
+| | ... | received packets are correct.
+| | ... | [Ref] RFC6830, RFC4303.
+| | [Teardown] | Run Keywords | Show Packet Trace on All DUTs | ${nodes}
+| | ...           | AND       | Show vpp trace dump on all DUTs
+| | ...           | AND       | VPP Show Errors | ${nodes['DUT1']}
+| | ...           | AND       | VPP Show Errors | ${nodes['DUT2']}
+| | ...           | AND       | Stop and Clear QEMU | ${dut1_node} | ${vm_node}
+| | ...           | AND       | Show VPP Settings | ${dut1_node}
+| | ...
+| | ${encr_alg}= | Crypto Alg AES CBC 128
+| | ${auth_alg}= | Integ Alg SHA1 96
+| | Given Setup Topology
+| | And Setup Qemu DUT1
+| | And Set up LISP GPE topology
+| | ... | ${dut1_node} | ${dut1_to_dut2} | ${NONE}
+| | ... | ${dut2_node} | ${dut2_to_dut1} | ${NONE}
+| | ... | ${duts_locator_set} | ${dut1_ip6_eid} | ${dut2_ip6_eid}
+| | ... | ${dut1_to_dut2_ip6_static_adjacency}
+| | ... | ${dut2_to_dut1_ip6_static_adjacency}
+| | ${lisp1_if_idx}= | resources.libraries.python.InterfaceUtil.get sw if index
+| | ... | ${dut1_node} | lisp_gpe0
+| | ${lisp2_if_idx}= | resources.libraries.python.InterfaceUtil.get sw if index
+| | ... | ${dut2_node} | lisp_gpe0
+| | And IPsec Generate Keys | ${encr_alg} | ${auth_alg}
+| | When VPP Setup IPsec Manual Keyed Connection
+| | ... | ${dut1_node} | ${lisp1_if_idx} | ${encr_alg} | ${encr_key}
+| | ... | ${auth_alg} | ${auth_key} | ${dut1_spi} | ${dut2_spi}
+| | ... | ${dut1_to_dut2_ip6} | ${dut2_to_dut1_ip6}
+| | And VPP Setup IPsec Manual Keyed Connection
+| | ... | ${dut2_node} | ${lisp2_if_idx} | ${encr_alg} | ${encr_key}
+| | ... | ${auth_alg} | ${auth_key} | ${dut2_spi} | ${dut1_spi}
+| | ... | ${dut2_to_dut1_ip6} | ${dut1_to_dut2_ip6}
+| | Then Send Packet And Check Headers
+| | ... | ${tg_node} | ${tg1_ip6} | ${tg2_ip6}
+| | ... | ${tg_to_dut1} | ${tg_to_dut1_mac} | ${dst_vhost_mac}
+| | ... | ${tg_to_dut2} | ${dut2_to_tg_mac} | ${tg_to_dut2_mac}
+| | And Send Packet And Check Headers
+| | ... | ${tg_node} | ${tg2_ip6} | ${tg1_ip6}
+| | ... | ${tg_to_dut2} | ${tg_to_dut2_mac} | ${dut2_to_tg_mac}
+| | ... | ${tg_to_dut1} | ${dut1_to_tg_mac} | ${tg_to_dut1_mac}
+
+*** Keywords ***
+| Setup Topology
+| | Path for 3-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['DUT2']} | ${nodes['TG']}
+| | Interfaces in 3-node path are up
+| | Vpp Set If IPv6 Addr | ${dut1_node} | ${dut1_to_dut2} | ${dut1_to_dut2_ip6}
+| | ... | ${prefix6}
+| | Vpp Set If IPv6 Addr | ${dut1_node} | ${dut1_to_dut2} | ${dut1_to_dut2_ip6}
+| | ... | ${prefix6}
+| | Vpp Set If IPv6 Addr | ${dut1_node} | ${dut1_to_tg} | ${dut1_to_tg_ip6}
+| | ... | ${prefix6}
+| | Vpp Set If IPv6 Addr | ${dut2_node} | ${dut2_to_dut1} | ${dut2_to_dut1_ip6}
+| | ... | ${prefix6}
+| | Vpp Set If IPv6 Addr | ${dut2_node} | ${dut2_to_tg} | ${dut2_to_tg_ip6}
+| | ... | ${prefix6}
+| | Add IP Neighbor | ${dut1_node} | ${dut1_to_tg} | ${tg1_ip6}
+| | ... | ${tg_to_dut1_mac}
+| | Add IP Neighbor | ${dut2_node} | ${dut2_to_tg} | ${tg2_ip6}
+| | ... | ${tg_to_dut2_mac}
+| | Add IP Neighbor | ${dut1_node} | ${dut1_to_dut2} | ${dut2_to_dut1_ip6}
+| | ... | ${dut2_to_dut1_mac}
+| | Add IP Neighbor | ${dut2_node} | ${dut2_to_dut1} | ${dut1_to_dut2_ip6}
+| | ... | ${dut1_to_dut2_mac}
+
+| Setup Qemu DUT1
+| | [Documentation] | Setup Vhosts on DUT1 and setup IP to one of them. Setup \
+| | ... | Qemu and bridge the vhosts.
+| | ${vhost1}= | And Vpp Create Vhost User Interface | ${dut1_node} | ${sock1}
+| | ${vhost2}= | And Vpp Create Vhost User Interface | ${dut1_node} | ${sock2}
+| | Vpp Set If IPv6 Addr | ${dut1_node} | ${vhost2} | 2001:cdba:1::9
+| | ... | ${prefix6}
+| | Set Interface State | ${dut1_node} | ${vhost1} | up
+| | Set Interface State | ${dut1_node} | ${vhost2} | up
+| | Bridge domain on DUT node is created | ${dut1_node} | ${bid} | learn=${TRUE}
+| | Interface is added to bridge domain | ${dut1_node}
+| | ... | ${dut1_to_tg} | ${bid} | 0
+| | Interface is added to bridge domain | ${dut1_node}
+| | ... | ${vhost1} | ${bid} | 0
+| | ${vhost_mac}= | Get Vhost User Mac By SW Index | ${dut1_node} | ${vhost2}
+| | Set test variable | ${dst_vhost_mac} | ${vhost_mac}
+| | VM for Vhost L2BD forwarding is setup | ${dut1_node} | ${sock1} | ${sock2}