FIX: do not use ping in vpp-device tests

Change-Id: Ic11f863e7ffad70d45e6e8dc39c70efc62cecc96
Signed-off-by: Jan Gelety <jgelety@cisco.com>

6 files changed, 201 insertions, 196 deletions

diff --git a/resources/libraries/python/TrafficScriptExecutor.py b/resources/libraries/python/TrafficScriptExecutor.py
index 7b5368fa9f..abd97e6fc6 100644
--- a/resources/libraries/python/TrafficScriptExecutor.py
+++ b/resources/libraries/python/TrafficScriptExecutor.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2018 Cisco and/or its affiliates.
+# Copyright (c) 2019 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:
@@ -68,6 +68,8 @@ class TrafficScriptExecutor(object):
         if ret_code != 0:
             if "RuntimeError: ICMP echo Rx timeout" in stderr:
                 raise RuntimeError("ICMP echo Rx timeout")
+            elif "RuntimeError: IP packet Rx timeout" in stderr:
+                raise RuntimeError("IP packet Rx timeout")
             elif "RuntimeError: DHCP REQUEST Rx timeout" in stderr:
                 raise RuntimeError("DHCP REQUEST Rx timeout")
             elif "RuntimeError: DHCP DISCOVER Rx timeout" in stderr:
diff --git a/resources/libraries/robot/crypto/ipsec.robot b/resources/libraries/robot/crypto/ipsec.robot
index f7d065ee4a..a37c18db77 100644
--- a/resources/libraries/robot/crypto/ipsec.robot
+++ b/resources/libraries/robot/crypto/ipsec.robot
@@ -49,17 +49,12 @@
 | Configure path for IPSec test
 | | [Documentation] | Setup path for IPsec testing TG<-->DUT1.
 | | ...
-| | ... | _NOTE:_ This KW sets following test case variable:
-| | ... | - dut_lo - DUT loopback interface. Type: string
-| | ...
 | | ... | *Example:*
 | | ... | \| Configure path for IPSec test \|
 | | ...
-| | ${dut1_lo1}= | Vpp Create Loopback | ${dut1}
 | | Set Interface State | ${dut1} | ${dut1_if1} | up
-| | Set Interface State | ${dut1} | ${dut1_lo1} | up
+| | Set Interface State | ${dut1} | ${dut1_if2} | up
 | | Vpp Node Interfaces Ready Wait | ${dut1}
-| | Set Test Variable | ${dut1_lo1}
 
 | Configure topology for IPv4 IPsec testing
 | | [Documentation] | Setup topology for IPv4 IPsec testing.
@@ -75,18 +70,20 @@
 | | ...
 | | Configure path for IPSec test
 | | VPP Interface Set IP Address
-| | ... | ${dut1} | ${dut1_if1} | ${dut_if_ip4} | ${ip4_plen}
+| | ... | ${dut1} | ${dut1_if1} | ${dut_if1_ip4} | ${ip4_plen}
 | | VPP Interface Set IP Address
-| | ... | ${dut1} | ${dut1_lo1} | ${dut_lo_ip4} | ${ip4_plen}
+| | ... | ${dut1} | ${dut1_if2} | ${dut_if2_ip4} | ${ip4_plen}
 | | VPP Add IP Neighbor
-| | ... | ${dut1} | ${dut1_if1} | ${tg_if_ip4} | ${tg_if1_mac}
+| | ... | ${dut1} | ${dut1_if1} | ${tg_if1_ip4} | ${tg_if1_mac}
+| | VPP Add IP Neighbor
+| | ... | ${dut1} | ${dut1_if2} | ${tg_if2_ip4} | ${tg_if2_mac}
 | | Vpp Route Add
-| | ... | ${dut1} | ${tg_lo_ip4} | ${ip4_plen} | gateway=${tg_if_ip4}
+| | ... | ${dut1} | ${tg_host_ip4} | ${ip4_plen} | gateway=${tg_if1_ip4}
 | | ... | interface=${dut1_if1}
-| | Set Test Variable | ${dut_tun_ip} | ${dut_if_ip4}
-| | Set Test Variable | ${dut_src_ip} | ${dut_lo_ip4}
-| | Set Test Variable | ${tg_tun_ip} | ${tg_if_ip4}
-| | Set Test Variable | ${tg_src_ip} | ${tg_lo_ip4}
+| | Set Test Variable | ${dut_tun_ip} | ${dut_if1_ip4}
+| | Set Test Variable | ${tg_tun_ip} | ${tg_if1_ip4}
+| | Set Test Variable | ${tg_src_ip} | ${tg_host_ip4}
+| | Set Test Variable | ${tg_dst_ip} | ${tg_if2_ip4}
 
 | Configure topology for IPv6 IPsec testing
 | | [Documentation] | Setup topology fo IPv6 IPsec testing.
@@ -102,19 +99,21 @@
 | | ...
 | | Configure path for IPSec test
 | | VPP Interface Set IP Address
-| | ... | ${dut1} | ${dut1_if1} | ${dut_if_ip6} | ${ip6_plen}
+| | ... | ${dut1} | ${dut1_if1} | ${dut_if1_ip6} | ${ip6_plen}
 | | VPP Interface Set IP Address
-| | ... | ${dut1} | ${dut1_lo1} | ${dut_lo_ip6} | ${ip6_plen}
+| | ... | ${dut1} | ${dut1_if2} | ${dut_if2_ip6} | ${ip6_plen}
+| | VPP Add IP Neighbor
+| | ... | ${dut1} | ${dut1_if1} | ${tg_if1_ip6} | ${tg_if1_mac}
 | | VPP Add IP Neighbor
-| | ... | ${dut1} | ${dut1_if1} | ${tg_if_ip6} | ${tg_if1_mac}
+| | ... | ${dut1} | ${dut1_if2} | ${tg_if2_ip6} | ${tg_if2_mac}
 | | Vpp All RA Suppress Link Layer | ${nodes}
 | | Vpp Route Add
-| | ... | ${dut1} | ${tg_lo_ip6} | ${ip6_plen_rt} | gateway=${tg_if_ip6}
+| | ... | ${dut1} | ${tg_host_ip6} | ${ip6_plen_rt} | gateway=${tg_if1_ip6}
 | | ... | interface=${dut1_if1}
-| | Set Test Variable | ${dut_tun_ip} | ${dut_if_ip6}
-| | Set Test Variable | ${dut_src_ip} | ${dut_lo_ip6}
-| | Set Test Variable | ${tg_tun_ip} | ${tg_if_ip6}
-| | Set Test Variable | ${tg_src_ip} | ${tg_lo_ip6}
+| | Set Test Variable | ${dut_tun_ip} | ${dut_if1_ip6}
+| | Set Test Variable | ${tg_tun_ip} | ${tg_if1_ip6}
+| | Set Test Variable | ${tg_src_ip} | ${tg_host_ip6}
+| | Set Test Variable | ${tg_dst_ip} | ${tg_if2_ip6}
 
 | Configure manual keyed connection for IPSec
 | | [Documentation] | Setup IPsec manual keyed connection on VPP node.
diff --git a/resources/libraries/robot/l2/l2_traffic.robot b/resources/libraries/robot/l2/l2_traffic.robot
index bca801778e..93506d585e 100644
--- a/resources/libraries/robot/l2/l2_traffic.robot
+++ b/resources/libraries/robot/l2/l2_traffic.robot
@@ -1,4 +1,4 @@
-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2019 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:
@@ -18,8 +18,8 @@
 | ... | through L2 network.
 
 *** Keywords ***
-| Send ICMP packet and verify received packet
-| | [Documentation] | Send ICMPv4/ICMPv6 echo request from source interface to \
+| Send IP packet and verify received packet
+| | [Documentation] | Send IPv4/IPv6 packet from source interface to \
 | | ... | destination interface. Packet can be set with Dot1q or
 | | ... | Dot1ad tag(s) when required.
 | | ...
@@ -46,47 +46,34 @@
 | | ...
 | | ... | _NOTE:_ Default IP is IPv4
 | | ...
-| | ... | \| Send ICMP packet and verify received packet \| ${nodes['TG']} \
+| | ... | \| Send IP packet and verify received packet \| ${nodes['TG']} \
 | | ... | \| ${tg_to_dut_if1} \| ${tg_to_dut_if2} \|
-| | ... | \| Send ICMP packet and verify received packet \| ${nodes['TG']} \
+| | ... | \| Send IP packet and verify received packet \| ${nodes['TG']} \
 | | ... | \| ${tg_to_dut1} \| ${tg_to_dut2} \| encaps=Dot1q \| vlan1=100 \|
-| | ... | \| Send ICMP packet and verify received packet \| ${nodes['TG']} \
+| | ... | \| Send IP packet and verify received packet \| ${nodes['TG']} \
 | | ... | \| ${tg_to_dut1} \| ${tg_to_dut2} \| encaps=Dot1ad \| vlan1=110 \
 | | ... | \| vlan2=220 \|
-| | ... | \| Send ICMP packet and verify received packet \| ${nodes['TG']} \
+| | ... | \| Send IP packet and verify received packet \| ${nodes['TG']} \
 | | ... | \| ${tg_to_dut1} \| ${tg_to_dut2} \| encaps=Dot1q \| vlan1=110 \
 | | ... | \| encaps_rx=Dot1q \|
-| | ... | \| Send ICMP packet and verify received packet \| ${nodes['TG']} \
+| | ... | \| Send IP packet and verify received packet \| ${nodes['TG']} \
 | | ... | \| ${tg_to_dut1} \| ${tg_to_dut2} \| encaps=Dot1q \| vlan1=110 \
 | | ... | \| encaps_rx=Dot1q \| vlan1_rx=120 \|
 | | ...
-| | [Arguments] | ${tg_node} | ${src_int} | ${dst_int}
-| | ... | ${src_ip}=192.168.100.1 | ${dst_ip}=192.168.100.2 | ${encaps}=${EMPTY}
-| | ... | ${vlan1}=${EMPTY} | ${vlan2}=${EMPTY} | ${encaps_rx}=${EMPTY}
-| | ... | ${vlan1_rx}=${EMPTY} | ${vlan2_rx}=${EMPTY}
-| | ...
-| | ${src_mac}= | Get Interface Mac | ${tg_node} | ${src_int}
-| | ${dst_mac}= | Get Interface Mac | ${tg_node} | ${dst_int}
-| | ${src_int_name}= | Get interface name | ${tg_node} | ${src_int}
-| | ${dst_int_name}= | Get interface name | ${tg_node} | ${dst_int}
-| | ${args}= | Traffic Script Gen Arg | ${dst_int_name} | ${src_int_name}
-| | ... | ${src_mac} | ${dst_mac} | ${src_ip} | ${dst_ip}
-| | ${args}= | Run Keyword If | '${encaps}' == '${EMPTY}'
-| | | ... | Set Variable | ${args}
-| | ... | ELSE | Catenate | ${args} | --encaps ${encaps} | --vlan1 ${vlan1}
-| | ${args}= | Run Keyword If | '${vlan2}' == '${EMPTY}'
-| | | ... | Set Variable | ${args}
-| | ... | ELSE | Catenate | ${args} | --vlan2 ${vlan2}
-| | ${args}= | Run Keyword If | '${encaps_rx}' == '${EMPTY}'
-| | | ... | Set Variable | ${args}
-| | ... | ELSE | Catenate | ${args} | --encaps_rx ${encaps_rx}
-| | ${args}= | Run Keyword If | '${vlan1_rx}' == '${EMPTY}'
-| | | ... | Set Variable | ${args}
-| | ... | ELSE | Catenate | ${args} | --vlan1_rx ${vlan1_rx}
-| | ${args}= | Run Keyword If | '${vlan2_rx}' == '${EMPTY}'
-| | | ... | Set Variable | ${args}
-| | ... | ELSE | Catenate | ${args} | --vlan2_rx ${vlan2_rx}
-| | Run Traffic Script On Node | send_ip_icmp.py | ${tg_node} | ${args}
+| | [Arguments] | ${tg_node} | ${tx_src_port} | ${rx_dst_port}
+| | ... | ${src_ip}=192.168.100.1 | ${dst_ip}=192.168.100.2
+| | ... | ${encaps}=${EMPTY} | ${vlan1}=${EMPTY} | ${vlan2}=${EMPTY}
+| | ... | ${encaps_rx}=${EMPTY} | ${vlan1_rx}=${EMPTY} | ${vlan2_rx}=${EMPTY}
+| | ...
+| | ${tx_src_mac}= | Get Interface Mac | ${tg_node} | ${tx_src_port}
+| | ${rx_dst_mac}= | Get Interface Mac | ${tg_node} | ${rx_dst_port}
+| | Then Send packet and verify headers
+| | ... | ${tg} | 192.168.0.1 | 192.168.0.2
+| | ... | ${tx_src_port} | ${tx_src_mac} | ${rx_dst_mac}
+| | ... | ${rx_dst_port} | ${tx_src_mac} | ${rx_dst_mac}
+| | ... | encaps_tx=${encaps} | vlan_tx=${vlan1} | vlan_outer_tx=${vlan2}
+| | ... | encaps_rx=${encaps_rx} | vlan_rx=${vlan1_rx}
+| | ... | vlan_outer_rx=${vlan2_rx}
 
 | ICMP packet transmission should fail
 | | [Documentation] | Send ICMPv4/ICMPv6 echo request from source interface to
@@ -121,11 +108,11 @@
 | | ${dst_int_name}= | Get interface name | ${tg_node} | ${dst_int}
 | | ${args}= | Traffic Script Gen Arg | ${dst_int_name} | ${src_int_name}
 | | ... | ${src_mac} | ${dst_mac} | ${src_ip} | ${dst_ip}
-| | Run Keyword And Expect Error | ICMP echo Rx timeout |
+| | Run Keyword And Expect Error | IP echo Rx timeout |
 | | ... | Run Traffic Script On Node | send_ip_icmp.py | ${tg_node} | ${args}
 
-| Send ICMPv4 bidirectionally and verify received packets
-| | [Documentation] | Send ICMPv4 echo request from both directions,
+| Send IPv4 bidirectionally and verify received packets
+| | [Documentation] | Send IPv4 packets from both directions,
 | | ... | from interface1 to interface2 and from interface2 to interface1.
 | | ...
 | | ... | *Arguments:*
@@ -142,19 +129,19 @@
 | | ...
 | | ... | *Example:*
 | | ...
-| | ... | \| Send ICMPv4 bidirectionally and verify received packets \
+| | ... | \| Send IPv4 bidirectionally and verify received packets \
 | | ... | \| ${nodes['TG']} \| ${tg_to_dut_if1} \| ${tg_to_dut_if2} \|
 | | ...
 | | [Arguments] | ${tg_node} | ${int1} | ${int2} | ${src_ip}=192.168.100.1 |
 | | ... | ${dst_ip}=192.168.100.2
 | | ...
-| | Send ICMP packet and verify received packet
+| | Send IP packet and verify received packet
 | | ... | ${tg_node} | ${int1} | ${int2} | ${src_ip} | ${dst_ip}
-| | Send ICMP packet and verify received packet
+| | Send IP packet and verify received packet
 | | ... | ${tg_node} | ${int2} | ${int1} | ${dst_ip} | ${src_ip}
 
-| Send ICMPv6 bidirectionally and verify received packets
-| | [Documentation] | Send ICMPv6 echo request from both directions,
+| Send IPv6 bidirectionally and verify received packets
+| | [Documentation] | Send IPv6 packets from both directions,
 | | ... | from interface1 to interface2 and from interface2 to interface1.
 | | ...
 | | ... | *Arguments:*
@@ -171,13 +158,13 @@
 | | ...
 | | ... | *Example:*
 | | ...
-| | ... | \| Send ICMPv6 bidirectionally and verify received packets \
+| | ... | \| Send IPv6 bidirectionally and verify received packets \
 | | ... | \| ${nodes['TG']} \| ${tg_to_dut_if1} \| ${tg_to_dut_if2} \|
 | | ...
 | | [Arguments] | ${tg_node} | ${int1} | ${int2} | ${src_ip}=3ffe:63::1 |
 | | ... | ${dst_ip}=3ffe:63::2
 | | ...
-| | Send ICMP packet and verify received packet
+| | Send IP packet and verify received packet
 | | ... | ${tg_node} | ${int1} | ${int2} | ${src_ip} | ${dst_ip}
-| | Send ICMP packet and verify received packet
+| | Send IP packet and verify received packet
 | | ... | ${tg_node} | ${int2} | ${int1} | ${dst_ip} | ${src_ip}
diff --git a/resources/libraries/robot/shared/traffic.robot b/resources/libraries/robot/shared/traffic.robot
index 5d11618f62..df74017f6a 100644
--- a/resources/libraries/robot/shared/traffic.robot
+++ b/resources/libraries/robot/shared/traffic.robot
@@ -40,7 +40,7 @@
 | | ... | - tx_src_port - Interface of TG-if1. Type: string
 | | ... | - tx_src_mac - MAC address of TG-if1. Type: string
 | | ... | - tx_dst_mac - MAC address of DUT-if1. Type: string
-| | ... | - rx_port - Interface of TG-if1. Type: string
+| | ... | - rx_dst_port - Interface of TG-if1. Type: string
 | | ... | - rx_src_mac - MAC address of DUT1-if2. Type: string
 | | ... | - rx_dst_mac - MAC address of TG-if2. Type: string
 | | ... | - encaps_tx - Expected encapsulation on TX side: Dot1q or Dot1ad
@@ -66,14 +66,14 @@
 | | ... | \| eth3 \| 08:00:27:4d:ca:7a \| 08:00:27:7d:fd:10 \|
 | | ...
 | | [Arguments] | ${tg_node} | ${src_ip} | ${dst_ip} | ${tx_src_port}
-| | ... | ${tx_src_mac} | ${tx_dst_mac} | ${rx_port} | ${rx_src_mac}
+| | ... | ${tx_src_mac} | ${tx_dst_mac} | ${rx_dst_port} | ${rx_src_mac}
 | | ... | ${rx_dst_mac} | ${encaps_tx}=${EMPTY} | ${vlan_tx}=${EMPTY}
 | | ... | ${vlan_outer_tx}=${EMPTY} | ${encaps_rx}=${EMPTY}
 | | ... | ${vlan_rx}=${EMPTY} | ${vlan_outer_rx}=${EMPTY}
-| | ... | ${traffic_script}=send_icmp_check_headers
+| | ... | ${traffic_script}=send_ip_check_headers
 | | ...
 | | ${tx_port_name}= | Get interface name | ${tg_node} | ${tx_src_port}
-| | ${rx_port_name}= | Get interface name | ${tg_node} | ${rx_port}
+| | ${rx_port_name}= | Get interface name | ${tg_node} | ${rx_dst_port}
 | | ${args}= | Catenate | --tg_src_mac ${tx_src_mac}
 | | ... | --tg_dst_mac ${rx_dst_mac} | --dut_if1_mac ${tx_dst_mac}
 | | ... | --dut_if2_mac ${rx_src_mac} | --src_ip ${src_ip} | --dst_ip ${dst_ip}
@@ -133,8 +133,8 @@
 | | ... | --tg_dst_mac ${rx_dst_mac} | --dut_if1_mac ${tx_dst_mac}
 | | ... | --dut_if2_mac ${rx_src_mac} | --src_ip ${src_ip} | --dst_ip ${dst_ip}
 | | ... | --tx_if ${tx_port_name} | --rx_if ${rx_port_name}
-| | Run Keyword And Expect Error | ICMP echo Rx timeout |
-| | ... | Run Traffic Script On Node | send_icmp_check_headers.py
+| | Run Keyword And Expect Error | IP packet Rx timeout |
+| | ... | Run Traffic Script On Node | send_ip_check_headers.py
 | | ... | ${tg_node} | ${args}
 
 | Send packet and verify ARP request
@@ -845,8 +845,12 @@
 | | ...
 | | ... | *Arguments:*
 | | ... | - node - TG node. Type: dictionary
-| | ... | - interface - TG Interface. Type: string
-| | ... | - dst_mac - Destination MAC. Type: string
+| | ... | - tx_interface - TG Interface 1. Type: string
+| | ... | - rx_interface - TG Interface 2. Type: string
+| | ... | - tx_dst_mac - Destination MAC for TX interface / DUT interface 1 MAC.
+| | ... | Type: string
+| | ... | - rx_src_mac - Source MAC for RX interface / DUT interface 2 MAC.
+| | ... | Type: string
 | | ... | - crypto_alg - Encrytion algorithm. Type: enum
 | | ... | - crypto_key - Encryption key. Type: string
 | | ... | - integ_alg - Integrity algorithm. Type: enum
@@ -862,20 +866,25 @@
 | | ... | \| ${encr_alg}= \| Crypto Alg AES CBC 128 \|
 | | ... | \| ${auth_alg}= \| Integ Alg SHA1 96 \|
 | | ... | \| Send IPsec Packet and verify ESP encapsulation in received packet\
-| | ... | \| ${nodes['TG']} \| eth1 \
-| | ... | \| 52:54:00:d4:d8:22 \| ${encr_alg} \| sixteenbytes_key \
-| | ... | \| ${auth_alg} \| twentybytessecretkey \| ${1001} \| ${1000} \
-| | ... | \| 192.168.3.3 \| 192.168.4.4 \| 192.168.100.2 \| 192.168.100.3 \|
-| | ...
-| | [Arguments] | ${node} | ${interface} | ${dst_mac} | ${crypto_alg}
-| | ... | ${crypto_key} | ${integ_alg} | ${integ_key} | ${l_spi}
-| | ... | ${r_spi} | ${l_ip} | ${r_ip} | ${l_tunnel}=${None}
-| | ... | ${r_tunnel}=${None}
-| | ...
-| | ${src_mac}= | Get Interface Mac | ${node} | ${interface}
-| | ${if_name}= | Get Interface Name | ${node} | ${interface}
-| | ${args}= | Traffic Script Gen Arg | ${if_name} | ${if_name} | ${src_mac}
-| | ... | ${dst_mac} | ${l_ip} | ${r_ip}
+| | ... | \| ${nodes['TG']} \| eth1 \| eth2 \
+| | ... | \| 52:54:00:d4:d8:22 \| 52:54:00:d4:d8:3e \| ${encr_alg} \
+| | ... | \| sixteenbytes_key \| ${auth_alg} \| twentybytessecretkey \
+| | ... | \| ${1001} \| ${1000} \| 192.168.3.3 \| 192.168.4.4 \| 192.168.100.2 \
+| | ... | \| 192.168.100.3 \|
+| | ...
+| | [Arguments] | ${node} | ${tx_interface} | ${rx_interface} | ${tx_dst_mac}
+| | ... | ${rx_src_mac} | ${crypto_alg} | ${crypto_key} | ${integ_alg}
+| | ... | ${integ_key} | ${l_spi} | ${r_spi} | ${l_ip} | ${r_ip}
+| | ... | ${l_tunnel}=${None} | ${r_tunnel}=${None}
+| | ...
+| | ${tx_src_mac}= | Get Interface Mac | ${node} | ${tx_interface}
+| | ${tx_if_name}= | Get Interface Name | ${node} | ${tx_interface}
+| | ${rx_dst_mac}= | Get Interface Mac | ${node} | ${tx_interface}
+| | ${rx_if_name}= | Get Interface Name | ${node} | ${rx_interface}
+| | ${args}= | Catenate | --rx_if ${rx_if_name} | --tx_if ${tx_if_name}
+| | ... | --tx_src_mac ${tx_src_mac} | --tx_dst_mac ${tx_dst_mac}
+| | ... | --rx_src_mac ${rx_src_mac} | --rx_dst_mac ${rx_dst_mac}
+| | ... | --src_ip ${l_ip} | --dst_ip ${r_ip}
 | | ${crypto_alg_str}= | Get Crypto Alg Scapy Name | ${crypto_alg}
 | | ${integ_alg_str}= | Get Integ Alg Scapy Name | ${integ_alg}
 | | ${args}= | Catenate | ${args} | --crypto_alg ${crypto_alg_str}
diff --git a/resources/traffic_scripts/ipsec.py b/resources/traffic_scripts/ipsec.py
index 1561738c60..b853b6c09f 100755
--- a/resources/traffic_scripts/ipsec.py
+++ b/resources/traffic_scripts/ipsec.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2019 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:
@@ -23,9 +23,8 @@ import logging
 logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
 
 from scapy.all import Ether
-from scapy.layers.inet import ICMP, IP
+from scapy.layers.inet import IP
 from scapy.layers.inet6 import IPv6, ICMPv6ND_NS
-from scapy.layers.inet6 import ICMPv6EchoRequest, ICMPv6EchoReply
 from scapy.layers.ipsec import SecurityAssociation, ESP
 from ipaddress import ip_address
 
@@ -33,114 +32,113 @@ from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
 from resources.libraries.python.PacketVerifier import RxQueue, TxQueue
 
 
-def check_ipv4(pkt_recv, dst_tun, src_ip, dst_ip, sa_in):
-    """Check received IPv4 IPsec packet.
+def check_ipsec(pkt_recv, ip_layer, dst_tun, src_ip, dst_ip, sa_in):
+    """Check received IPsec packet.
 
     :param pkt_recv: Received packet to verify.
+    :param ip_layer: Scapy IP layer.
     :param dst_tun: IPsec tunnel destination address.
-    :param src_ip: Source address of original IPv4 packet.
-    :param dst_ip: Destination address of original IPv4 packet.
+    :param src_ip: Source IP/IPv6 address of original IP/IPv6 packet.
+    :param dst_ip: Destination IP/IPv6 address of original IP/IPv6 packet.
     :param sa_in: IPsec SA for packet decryption.
     :type pkt_recv: scapy.Ether
+    :type ip_layer: scapy.layers.inet.IP or scapy.layers.inet6.IPv6
     :type dst_tun: str
     :type src_ip: str
     :type dst_ip: str
     :type sa_in: scapy.layers.ipsec.SecurityAssociation
     :raises RuntimeError: If received packet is invalid.
     """
-    if not pkt_recv.haslayer(IP):
-        raise RuntimeError(
-            'Not an IPv4 packet received: {0}'.format(pkt_recv.__repr__()))
+    if not pkt_recv.haslayer(ip_layer):
+        raise RuntimeError('Not an {ip} packet received: {pkt}'.format(
+            ip=ip_layer.name, pkt=pkt_recv.__repr__()))
 
-    if pkt_recv['IP'].dst != dst_tun:
+    if pkt_recv[ip_layer.name].dst != dst_tun:
         raise RuntimeError(
-            'Received packet has invalid destination address: {0} '
-            'should be: {1}'.format(pkt_recv['IP'].dst, dst_tun))
+            'Received packet has invalid destination address: {rec_ip} '
+            'should be: {exp_ip}'.format(
+                rec_ip=pkt_recv[ip_layer.name].dst, exp_ip=dst_tun))
 
     if not pkt_recv.haslayer(ESP):
         raise RuntimeError(
-            'Not an ESP packet received: {0}'.format(pkt_recv.__repr__()))
+            'Not an ESP packet received: {pkt}'.format(pkt=pkt_recv.__repr__()))
 
-    ip_pkt = pkt_recv[IP]
+    ip_pkt = pkt_recv[ip_layer]
     d_pkt = sa_in.decrypt(ip_pkt)
 
-    if d_pkt[IP].dst != dst_ip:
+    if d_pkt[ip_layer].dst != dst_ip:
         raise RuntimeError(
-            'Decrypted packet has invalid destination address: {0} '
-            'should be: {1}'.format(d_pkt['IP'].dst, dst_ip))
+            'Decrypted packet has invalid destination address: {rec_ip} '
+            'should be: {exp_ip}'.format(
+                rec_ip=d_pkt[ip_layer].dst, exp_ip=dst_ip))
 
-    if d_pkt[IP].src != src_ip:
+    if d_pkt[ip_layer].src != src_ip:
         raise RuntimeError(
-            'Decrypted packet has invalid source address: {0} should be: {1}'
-            .format(d_pkt['IP'].src, src_ip))
+            'Decrypted packet has invalid source address: {rec_ip} should be: '
+            '{exp_ip}'.format(rec_ip=d_pkt[ip_layer].src, exp_ip=src_ip))
 
-    if not d_pkt.haslayer(ICMP):
+    if ip_layer == IP and d_pkt[ip_layer.name].proto != 61:
         raise RuntimeError(
-            'Decrypted packet does not have ICMP layer: {0}'.format(
-                d_pkt.__repr__()))
+            'Decrypted packet has invalid IP protocol: {rec_proto} '
+            'should be: 61'.format(rec_proto=d_pkt[ip_layer.name].proto))
 
 
-def check_ipv6(pkt_recv, dst_tun, src_ip, dst_ip, sa_in):
-    """Check received IPv6 IPsec packet.
+def check_ip(pkt_recv, ip_layer, src_ip, dst_ip):
+    """Check received IP/IPv6 packet.
 
     :param pkt_recv: Received packet to verify.
-    :param dst_tun: IPsec tunnel destination address.
-    :param src_ip: Source address of original IPv6 packet.
-    :param dst_ip: Destination address of original IPv6 packet.
-    :param sa_in: IPsec SA for packet decryption.
+    :param ip_layer: Scapy IP layer.
+    :param src_ip: Source IP/IPv6 address.
+    :param dst_ip: Destination IP/IPv6 address.
     :type pkt_recv: scapy.Ether
-    :type dst_tun: str
+    :type ip_layer: scapy.layers.inet.IP or scapy.layers.inet6.IPv6
     :type src_ip: str
     :type dst_ip: str
-    :type sa_in: scapy.layers.ipsec.SecurityAssociation
     :raises RuntimeError: If received packet is invalid.
     """
-    if not pkt_recv.haslayer(IPv6):
-        raise RuntimeError(
-            'Not an IPv6 packet received: {0}'.format(pkt_recv.__repr__()))
-
-    if pkt_recv[IPv6].dst != dst_tun:
-        raise RuntimeError(
-            'Received packet has invalid destination address: {0} '
-            'should be: {1}'.format(pkt_recv['IPv6'].dst, dst_tun))
+    if not pkt_recv.haslayer(ip_layer):
+        raise RuntimeError('Not an {ip} packet received: {pkt}'.format(
+            ip=ip_layer.name, pkt=pkt_recv.__repr__()))
 
-    if not pkt_recv.haslayer(ESP):
-        raise RuntimeError(
-            'Not an ESP packet received: {0}'.format(pkt_recv.__repr__()))
-
-    ip_pkt = pkt_recv[IPv6]
-    d_pkt = sa_in.decrypt(ip_pkt)
-
-    if d_pkt[IPv6].dst != dst_ip:
+    if pkt_recv[ip_layer.name].dst != dst_ip:
         raise RuntimeError(
-            'Decrypted packet has invalid destination address {0}: '
-            'should be: {1}'.format(d_pkt['IPv6'].dst, dst_ip))
+            'Received packet has invalid destination address: {rec_ip} '
+            'should be: {exp_ip}'.format(
+                rec_ip=pkt_recv[ip_layer.name].dst, exp_ip=dst_ip))
 
-    if d_pkt[IPv6].src != src_ip:
+    if pkt_recv[ip_layer.name].src != src_ip:
         raise RuntimeError(
-            'Decrypted packet has invalid source address: {0} should be: {1}'
-            .format(d_pkt['IPv6'].src, src_ip))
+            'Received packet has invalid destination address: {rec_ip} '
+            'should be: {exp_ip}'.format(
+                rec_ip=pkt_recv[ip_layer.name].dst, exp_ip=src_ip))
 
-    if not d_pkt.haslayer(ICMPv6EchoReply):
+    if ip_layer == IP and pkt_recv[ip_layer.name].proto != 61:
         raise RuntimeError(
-            'Decrypted packet does not have ICMP layer: {0}'.format(
-                d_pkt.__repr__()))
+            'Received packet has invalid IP protocol: {rec_proto} '
+            'should be: 61'.format(rec_proto=pkt_recv[ip_layer.name].proto))
 
 
 # pylint: disable=too-many-locals
 # pylint: disable=too-many-statements
 def main():
     """Send and receive IPsec packet."""
-    args = TrafficScriptArg(['src_mac', 'dst_mac', 'src_ip', 'dst_ip',
-                             'crypto_alg', 'crypto_key', 'integ_alg',
-                             'integ_key', 'l_spi', 'r_spi'],
-                            ['src_tun', 'dst_tun'])
-
-    rxq = RxQueue(args.get_arg('rx_if'))
-    txq = TxQueue(args.get_arg('tx_if'))
 
-    src_mac = args.get_arg('src_mac')
-    dst_mac = args.get_arg('dst_mac')
+    args = TrafficScriptArg(
+        ['tx_src_mac', 'tx_dst_mac', 'rx_src_mac', 'rx_dst_mac', 'src_ip',
+         'dst_ip','crypto_alg', 'crypto_key', 'integ_alg', 'integ_key',
+         'l_spi', 'r_spi'],
+        ['src_tun', 'dst_tun']
+    )
+
+    tx_txq = TxQueue(args.get_arg('tx_if'))
+    tx_rxq = RxQueue(args.get_arg('tx_if'))
+    rx_txq = TxQueue(args.get_arg('rx_if'))
+    rx_rxq = RxQueue(args.get_arg('rx_if'))
+
+    tx_src_mac = args.get_arg('tx_src_mac')
+    tx_dst_mac = args.get_arg('tx_dst_mac')
+    rx_src_mac = args.get_arg('rx_src_mac')
+    rx_dst_mac = args.get_arg('rx_dst_mac')
     src_ip = args.get_arg('src_ip')
     dst_ip = args.get_arg('dst_ip')
     crypto_alg = args.get_arg('crypto_alg')
@@ -152,23 +150,18 @@ def main():
     src_tun = args.get_arg('src_tun')
     dst_tun = args.get_arg('dst_tun')
 
-    is_ipv4 = True
-    if 6 == ip_address(unicode(src_ip)).version:
-        is_ipv4 = False
+    if ip_address(unicode(src_ip)).version == 6:
+        ip_layer = IPv6
+    else:
+        ip_layer = IP
 
-    tunnel_out = None
-    tunnel_in = None
+    tunnel_out = ip_layer(src=src_tun, dst=dst_tun) if src_tun and dst_tun \
+        else None
+    tunnel_in = ip_layer(src=dst_tun, dst=src_tun) if src_tun and dst_tun \
+        else None
 
-    if src_tun and dst_tun:
-        if is_ipv4:
-            tunnel_out = IP(src=src_tun, dst=dst_tun)
-            tunnel_in = IP(src=dst_tun, dst=src_tun)
-        else:
-            tunnel_out = IPv6(src=src_tun, dst=dst_tun)
-            tunnel_in = IPv6(src=dst_tun, dst=src_tun)
-    else:
+    if not (src_tun and dst_tun):
         src_tun = src_ip
-        dst_tun = dst_ip
 
     sa_in = SecurityAssociation(ESP, spi=r_spi, crypt_algo=crypto_alg,
                                 crypt_key=crypto_key, auth_algo=integ_alg,
@@ -178,41 +171,55 @@ def main():
                                  crypt_key=crypto_key, auth_algo=integ_alg,
                                  auth_key=integ_key, tunnel_header=tunnel_out)
 
-    sent_packets = []
-
-    if is_ipv4:
-        ip_pkt = (IP(src=src_ip, dst=dst_ip) /
-                  ICMP())
-        ip_pkt = IP(str(ip_pkt))
-    else:
-        ip_pkt = (IPv6(src=src_ip, dst=dst_ip) /
-                  ICMPv6EchoRequest())
-        ip_pkt = IPv6(str(ip_pkt))
+    ip_pkt = ip_layer(src=src_ip, dst=dst_ip, proto=61) if ip_layer == IP \
+        else ip_layer(src=src_ip, dst=dst_ip)
+    ip_pkt = ip_layer(str(ip_pkt))
 
     e_pkt = sa_out.encrypt(ip_pkt)
-    pkt_send = (Ether(src=src_mac, dst=dst_mac) /
-                e_pkt)
+    tx_pkt_send = (Ether(src=tx_src_mac, dst=tx_dst_mac) /
+                   e_pkt)
+
+    sent_packets = list()
+    sent_packets.append(tx_pkt_send)
+    tx_txq.send(tx_pkt_send)
+
+    while True:
+        rx_pkt_recv = rx_rxq.recv(2)
+
+        if rx_pkt_recv is None:
+            raise RuntimeError(
+                '{ip} packet Rx timeout'.format(ip=ip_layer.name))
+
+        if rx_pkt_recv.haslayer(ICMPv6ND_NS):
+            # read another packet in the queue if the current one is ICMPv6ND_NS
+            continue
+        else:
+            # otherwise process the current packet
+            break
+
+    check_ip(rx_pkt_recv, ip_layer, src_ip, dst_ip)
 
-    sent_packets.append(pkt_send)
-    txq.send(pkt_send)
+    rx_ip_pkt = ip_layer(src=dst_ip, dst=src_ip, proto=61) if ip_layer == IP \
+        else ip_layer(src=dst_ip, dst=src_ip)
+    rx_pkt_send = (Ether(src=rx_dst_mac, dst=rx_src_mac) /
+                   rx_ip_pkt)
+
+    rx_txq.send(rx_pkt_send)
 
     while True:
-        pkt_recv = rxq.recv(2, sent_packets)
+        tx_pkt_recv = tx_rxq.recv(2, sent_packets)
 
-        if pkt_recv is None:
+        if tx_pkt_recv is None:
             raise RuntimeError('ESP packet Rx timeout')
 
-        if pkt_recv.haslayer(ICMPv6ND_NS):
+        if rx_pkt_recv.haslayer(ICMPv6ND_NS):
             # read another packet in the queue if the current one is ICMPv6ND_NS
             continue
         else:
             # otherwise process the current packet
             break
 
-    if is_ipv4:
-        check_ipv4(pkt_recv, src_tun, dst_ip, src_ip, sa_in)
-    else:
-        check_ipv6(pkt_recv, src_tun, dst_ip, src_ip, sa_in)
+    check_ipsec(tx_pkt_recv, ip_layer, src_tun, dst_ip, src_ip, sa_in)
 
     sys.exit(0)
 
diff --git a/resources/traffic_scripts/send_ip_check_headers.py b/resources/traffic_scripts/send_ip_check_headers.py
index 816c0053e9..7c4f2bd002 100755
--- a/resources/traffic_scripts/send_ip_check_headers.py
+++ b/resources/traffic_scripts/send_ip_check_headers.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2019 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:
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Traffic script that sends an IP ICMPv4/ICMPv6 packet from one interface
+"""Traffic script that sends an IP IPv4/IPv6 packet from one interface
 to the other. Source and destination IP addresses and source and destination
 MAC addresses are checked in received packet.
 """
@@ -22,7 +22,7 @@ import sys
 import ipaddress
 from robot.api import logger
 from scapy.layers.inet import IP
-from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest, ICMPv6ND_NS
+from scapy.layers.inet6 import IPv6, ICMPv6ND_NS
 from scapy.layers.l2 import Ether, Dot1Q
 
 from resources.libraries.python.PacketVerifier import RxQueue, TxQueue
@@ -46,7 +46,7 @@ def valid_ipv6(ip):
 
 
 def main():
-    """Send IP ICMP packet from one traffic generator interface to the other."""
+    """Send IP/IPv6 packet from one traffic generator interface to the other."""
     args = TrafficScriptArg(
         ['tg_src_mac', 'tg_dst_mac', 'src_ip', 'dst_ip', 'dut_if1_mac',
          'dut_if2_mac'],
@@ -97,8 +97,9 @@ def main():
             ether = rxq.recv(2, ignore=sent_packets)
         else:
             ether = rxq.recv(2)
+
         if ether is None:
-            raise RuntimeError('ICMP echo Rx timeout')
+            raise RuntimeError('IP packet Rx timeout')
 
         if ether.haslayer(ICMPv6ND_NS):
             # read another packet in the queue if the current one is ICMPv6ND_NS