FIX: SNAT -> NAT renaming of API

- Based on https://gerrit.fd.io/r/#/c/8146/

Change-Id: I774483c7e2b419a9b9b6be78812ecf53a5c91eab
Signed-off-by: Peter Mikus <pmikus@cisco.com>

31 files changed, 459 insertions, 479 deletions

diff --git a/docs/tag_documentation.rst b/docs/tag_documentation.rst
index 86067345e0..408477d3b5 100644
--- a/docs/tag_documentation.rst
+++ b/docs/tag_documentation.rst
@@ -380,9 +380,13 @@ Feature tags
 
     COP whitelist.
 
-.. topic:: SNAT
+.. topic:: NAT44
 
-    SNAT configured and tested.
+    NAT44 configured and tested.
+
+.. topic:: NAT64
+
+    NAT44 configured and tested.
 
 .. topic:: ACL
 
diff --git a/resources/libraries/python/NAT.py b/resources/libraries/python/NAT.py
deleted file mode 100644
index 485cd53e71..0000000000
--- a/resources/libraries/python/NAT.py
+++ /dev/null
@@ -1,113 +0,0 @@
-# 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.
-
-"""NAT utilities library."""
-
-from resources.libraries.python.VatExecutor import VatExecutor
-
-
-class NATUtil(object):
-    """NAT utilities."""
-
-    def __init__(self):
-        pass
-
-    @staticmethod
-    def vpp_get_nat_static_mappings(node):
-        """Get NAT static mappings from VPP node.
-
-        :param node: VPP node.
-        :type node: dict
-        :returns: List of static mappings.
-        :rtype: list
-        :raises RuntimeError: If the output is not as expected.
-        """
-
-        vat = VatExecutor()
-        # JSON output not supported for this command
-        vat.execute_script('snat/snat_mapping_dump.vat', node, json_out=False)
-
-        stdout = vat.get_script_stdout()
-        lines = stdout.split("\n")
-
-        data = []
-        # lines[0,1] are table and column headers
-        for line in lines[2::]:
-            # Ignore extra data after NAT table
-            if "snat_static_mapping_dump error: Misc" in line or "vat#" in line:
-                continue
-            items = line.split(" ")
-            while "" in items:
-                items.remove("")
-            if len(items) == 0:
-                continue
-            elif len(items) == 4:
-                # no ports were returned
-                data.append({
-                    "local_address": items[0],
-                    "remote_address": items[1],
-                    "vrf": items[2],
-                    "protocol": items[3]
-                })
-            elif len(items) == 6:
-                data.append({
-                    "local_address": items[0],
-                    "local_port": items[1],
-                    "remote_address": items[2],
-                    "remote_port": items[3],
-                    "vrf": items[4],
-                    "protocol": items[5]
-                })
-            else:
-                raise RuntimeError("Unexpected output from snat_mapping_dump.")
-
-        return data
-
-    @staticmethod
-    def vpp_get_nat_interfaces(node):
-        """Get list of interfaces configured with NAT from VPP node.
-
-        :param node: VPP node.
-        :type node: dict
-        :returns: List of interfaces on the node that are configured with NAT.
-        :rtype: list
-        :raises RuntimeError: If the output is not as expected.
-        """
-
-        vat = VatExecutor()
-        # JSON output not supported for this command
-        vat.execute_script('snat/snat_interface_dump.vat', node,
-                           json_out=False)
-
-        stdout = vat.get_script_stdout()
-        lines = stdout.split("\n")
-
-        data = []
-        for line in lines:
-            items = line.split(" ")
-            for trash in ("", "vat#"):
-                while trash in items:
-                    items.remove(trash)
-            if len(items) == 0:
-                continue
-            elif len(items) == 3:
-                data.append({
-                    # items[0] is the table header - "sw_if_index"
-                    "sw_if_index": items[1],
-                    "direction": items[2]
-                })
-            else:
-                raise RuntimeError(
-                    "Unexpected output from snat_interface_dump.")
-
-        return data
diff --git a/resources/libraries/python/NATUtil.py b/resources/libraries/python/NATUtil.py
new file mode 100644
index 0000000000..ea13c9411f
--- /dev/null
+++ b/resources/libraries/python/NATUtil.py
@@ -0,0 +1,261 @@
+# 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.
+
+"""NAT utilities library."""
+
+from resources.libraries.python.VatExecutor import VatTerminal, VatExecutor
+
+
+class NATUtil(object):
+    """This class defines the methods to set NAT."""
+
+    def __init__(self):
+        pass
+
+    @staticmethod
+    def set_nat44_interfaces(node, int_in, int_out):
+        """Set inside and outside interfaces for NAT44.
+
+        :param node: DUT node.
+        :param int_in: Inside interface.
+        :param int_out: Outside interface.
+        :type node: dict
+        :type int_in: str
+        :type int_out: str
+        :returns: Response of the command.
+        :rtype: str
+        :raises RuntimeError: If setting of inside and outside interfaces for
+        NAT44 fails.
+        """
+
+        try:
+            with VatTerminal(node, json_param=False) as vat:
+                response = vat.vat_terminal_exec_cmd_from_template(
+                    'nat/nat44_set_interfaces.vat',
+                    int_in=int_in, int_out=int_out)
+                return response
+        except:
+            raise RuntimeError("Setting of inside and outside interfaces for "
+                               "NAT failed!")
+
+    @staticmethod
+    def set_nat44_deterministic(node, ip_in, subnet_in, ip_out, subnet_out):
+        """Set deterministic behaviour of NAT44.
+
+        :param node: DUT node.
+        :param ip_in: Inside IP.
+        :param subnet_in: Inside IP subnet.
+        :param ip_out: Outside IP.
+        :param subnet_out: Outside IP subnet.
+        :type node: dict
+        :type ip_in: str
+        :type subnet_in: str or int
+        :type ip_out: str
+        :type subnet_out: str or int
+        :returns: Response of the command.
+        :rtype: str
+        :raises RuntimeError: If setting of deterministic behaviour of NAT44
+        fails.
+        """
+
+        try:
+            with VatTerminal(node, json_param=False) as vat:
+                response = vat.vat_terminal_exec_cmd_from_template(
+                    'nat/nat44_set_deterministic.vat',
+                    ip_in=ip_in, subnet_in=subnet_in,
+                    ip_out=ip_out, subnet_out=subnet_out)
+                return response
+        except:
+            raise RuntimeError("Setting of deterministic behaviour of NAT "
+                               "failed!")
+
+    @staticmethod
+    def set_nat_workers(node, lcores):
+        """Set NAT workers.
+
+        :param node: DUT node.
+        :param lcores: list of cores, format: range e.g. 1-5 or list of ranges
+        e.g.: 1-5,18-22.
+        :type node: dict
+        :type lcores: str
+        :returns: Response of the command.
+        :rtype: str
+        :raises RuntimeError: If setting of NAT workers fails.
+        """
+
+        try:
+            with VatTerminal(node, json_param=False) as vat:
+                response = vat.vat_terminal_exec_cmd_from_template(
+                    'nat/nat_set_workers.vat', lcores=lcores)
+                return response
+        except:
+            raise RuntimeError("Setting of NAT workers failed!")
+
+    @staticmethod
+    def show_nat(node):
+        """Show the NAT settings.
+
+        :param node: DUT node.
+        :type node: dict
+        :returns: Response of the command.
+        :rtype: str
+        :raises RuntimeError: If getting of NAT settings fails.
+        """
+
+        try:
+            with VatTerminal(node, json_param=False) as vat:
+                response = vat.vat_terminal_exec_cmd_from_template(
+                    'nat/nat_show_nat.vat')
+                return response
+        except:
+            raise RuntimeError("Getting of NAT settings failed!")
+
+    @staticmethod
+    def show_nat44_deterministic_forward(node, ip_addr):
+        """Show forward IP address and port(s).
+
+        :param node: DUT node.
+        :param ip_addr: IP address.
+        :type node: dict
+        :type ip_addr: str
+        :returns: Response of the command.
+        :rtype: str
+        :raises RuntimeError: If command 'exec snat deterministic forward'
+        fails.
+        """
+
+        try:
+            with VatTerminal(node, json_param=False) as vat:
+                response = vat.vat_terminal_exec_cmd_from_template(
+                    'nat/nat44_deterministic_forward.vat', ip=ip_addr)
+                return response
+        except:
+            raise RuntimeError("Command 'exec nat44 deterministic forward {ip}'"
+                               " failed!".format(ip=ip_addr))
+
+    @staticmethod
+    def show_nat44_deterministic_reverse(node, ip_addr, port):
+        """Show reverse IP address.
+
+        :param node: DUT node.
+        :param ip_addr: IP address.
+        :param port: Port.
+        :type node: dict
+        :type ip_addr: str
+        :type port: str or int
+        :returns: Response of the command.
+        :rtype: str
+        :raises RuntimeError: If command 'exec snat deterministic reverse'
+        fails.
+        """
+
+        try:
+            with VatTerminal(node, json_param=False) as vat:
+                response = vat.vat_terminal_exec_cmd_from_template(
+                    'nat/nat44_deterministic_reverse.vat',
+                    ip=ip_addr, port=port)
+                return response
+        except:
+            raise RuntimeError(
+                "Command 'exec nat44 deterministic reverse {ip}:{port}'"
+                " failed!".format(ip=ip_addr, port=port))
+
+    @staticmethod
+    def get_nat_static_mappings(node):
+        """Get NAT static mappings from VPP node.
+
+        :param node: VPP node.
+        :type node: dict
+        :returns: List of static mappings.
+        :rtype: list
+        :raises RuntimeError: If the output is not as expected.
+        """
+
+        vat = VatExecutor()
+        # JSON output not supported for this command
+        vat.execute_script('nat/snat_mapping_dump.vat', node, json_out=False)
+
+        stdout = vat.get_script_stdout()
+        lines = stdout.split("\n")
+
+        data = []
+        # lines[0,1] are table and column headers
+        for line in lines[2::]:
+            # Ignore extra data after NAT table
+            if "snat_static_mapping_dump error: Misc" in line or "vat#" in line:
+                continue
+            items = line.split(" ")
+            while "" in items:
+                items.remove("")
+            if len(items) == 0:
+                continue
+            elif len(items) == 4:
+                # no ports were returned
+                data.append({
+                    "local_address": items[0],
+                    "remote_address": items[1],
+                    "vrf": items[2],
+                    "protocol": items[3]
+                })
+            elif len(items) == 6:
+                data.append({
+                    "local_address": items[0],
+                    "local_port": items[1],
+                    "remote_address": items[2],
+                    "remote_port": items[3],
+                    "vrf": items[4],
+                    "protocol": items[5]
+                })
+            else:
+                raise RuntimeError("Unexpected output from snat_mapping_dump.")
+
+        return data
+
+    @staticmethod
+    def get_nat_interfaces(node):
+        """Get list of interfaces configured with NAT from VPP node.
+
+        :param node: VPP node.
+        :type node: dict
+        :returns: List of interfaces on the node that are configured with NAT.
+        :rtype: list
+        :raises RuntimeError: If the output is not as expected.
+        """
+
+        vat = VatExecutor()
+        # JSON output not supported for this command
+        vat.execute_script('nat/snat_interface_dump.vat', node,
+                           json_out=False)
+
+        stdout = vat.get_script_stdout()
+        lines = stdout.split("\n")
+
+        data = []
+        for line in lines:
+            items = line.split(" ")
+            for trash in ("", "vat#"):
+                while trash in items:
+                    items.remove(trash)
+            if len(items) == 0:
+                continue
+            elif len(items) == 3:
+                data.append({
+                    # items[0] is the table header - "sw_if_index"
+                    "sw_if_index": items[1],
+                    "direction": items[2]
+                })
+            else:
+                raise RuntimeError(
+                    "Unexpected output from snat_interface_dump.")
+
+        return data
diff --git a/resources/libraries/python/SNATUtil.py b/resources/libraries/python/SNATUtil.py
deleted file mode 100644
index 02cf493a93..0000000000
--- a/resources/libraries/python/SNATUtil.py
+++ /dev/null
@@ -1,171 +0,0 @@
-# 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.
-
-"""SNAT utilities library."""
-
-from resources.libraries.python.VatExecutor import VatTerminal
-
-
-class SNATUtil(object):
-    """This class defines the methods to set SNAT."""
-
-    def __init__(self):
-        pass
-
-    @staticmethod
-    def set_snat_interfaces(node, int_in, int_out):
-        """Set inside and outside interfaces for SNAT.
-
-        :param node: DUT node.
-        :param int_in: Inside interface.
-        :param int_out: Outside interface.
-        :type node: dict
-        :type int_in: str
-        :type int_out: str
-        :returns: Response of the command.
-        :rtype: str
-        :raises RuntimeError: If setting of inside and outside interfaces for
-        SNAT fails.
-        """
-
-        try:
-            with VatTerminal(node, json_param=False) as vat:
-                response = vat.vat_terminal_exec_cmd_from_template(
-                    'snat/snat_set_interfaces.vat',
-                    int_in=int_in, int_out=int_out)
-                return response
-        except:
-            raise RuntimeError("Setting of inside and outside interfaces for "
-                               "SNAT failed!")
-
-    @staticmethod
-    def set_snat_deterministic(node, ip_in, subnet_in, ip_out, subnet_out):
-        """Set deterministic behaviour of SNAT.
-
-        :param node: DUT node.
-        :param ip_in: Inside IP.
-        :param subnet_in: Inside IP subnet.
-        :param ip_out: Outside IP.
-        :param subnet_out: Outside IP subnet.
-        :type node: dict
-        :type ip_in: str
-        :type subnet_in: str or int
-        :type ip_out: str
-        :type subnet_out: str or int
-        :returns: Response of the command.
-        :rtype: str
-        :raises RuntimeError: If setting of deterministic behaviour of SNAT
-        fails.
-        """
-
-        try:
-            with VatTerminal(node, json_param=False) as vat:
-                response = vat.vat_terminal_exec_cmd_from_template(
-                    'snat/snat_set_deterministic.vat',
-                    ip_in=ip_in, subnet_in=subnet_in,
-                    ip_out=ip_out, subnet_out=subnet_out)
-                return response
-        except:
-            raise RuntimeError("Setting of deterministic behaviour of SNAT "
-                               "failed!")
-
-    @staticmethod
-    def set_snat_workers(node, lcores):
-        """Set SNAT workers.
-
-        :param node: DUT node.
-        :param lcores: list of cores, format: range e.g. 1-5 or list of ranges
-        e.g.: 1-5,18-22.
-        :type node: dict
-        :type lcores: str
-        :returns: Response of the command.
-        :rtype: str
-        :raises RuntimeError: If setting of SNAT workers fails.
-        """
-
-        try:
-            with VatTerminal(node, json_param=False) as vat:
-                response = vat.vat_terminal_exec_cmd_from_template(
-                    'snat/snat_set_workers.vat', lcores=lcores)
-                return response
-        except:
-            raise RuntimeError("Setting of SNAT workers failed!")
-
-    @staticmethod
-    def show_snat(node):
-        """Show the SNAT settings.
-
-        :param node: DUT node.
-        :type node: dict
-        :returns: Response of the command.
-        :rtype: str
-        :raises RuntimeError: If getting of SNAT settings fails.
-        """
-
-        try:
-            with VatTerminal(node, json_param=False) as vat:
-                response = vat.vat_terminal_exec_cmd_from_template(
-                    'snat/snat_show_snat.vat')
-                return response
-        except:
-            raise RuntimeError("Getting of SNAT settings failed!")
-
-    @staticmethod
-    def show_snat_deterministic_forward(node, ip_addr):
-        """Show forward IP address and port(s).
-
-        :param node: DUT node.
-        :param ip_addr: IP address.
-        :type node: dict
-        :type ip_addr: str
-        :returns: Response of the command.
-        :rtype: str
-        :raises RuntimeError: If command 'exec snat deterministic forward'
-        fails.
-        """
-
-        try:
-            with VatTerminal(node, json_param=False) as vat:
-                response = vat.vat_terminal_exec_cmd_from_template(
-                    'snat/snat_deterministic_forward.vat', ip=ip_addr)
-                return response
-        except:
-            raise RuntimeError("Command 'exec snat deterministic forward {ip}'"
-                               " failed!".format(ip=ip_addr))
-
-    @staticmethod
-    def show_snat_deterministic_reverse(node, ip_addr, port):
-        """Show reverse IP address.
-
-        :param node: DUT node.
-        :param ip_addr: IP address.
-        :param port: Port.
-        :type node: dict
-        :type ip_addr: str
-        :type port: str or int
-        :returns: Response of the command.
-        :rtype: str
-        :raises RuntimeError: If command 'exec snat deterministic reverse'
-        fails.
-        """
-
-        try:
-            with VatTerminal(node, json_param=False) as vat:
-                response = vat.vat_terminal_exec_cmd_from_template(
-                    'snat/snat_deterministic_reverse.vat',
-                    ip=ip_addr, port=port)
-                return response
-        except:
-            raise RuntimeError(
-                "Command 'exec snat deterministic reverse {ip}:{port}'"
-                " failed!".format(ip=ip_addr, port=port))
diff --git a/resources/libraries/python/VppConfigGenerator.py b/resources/libraries/python/VppConfigGenerator.py
index 0331648269..dac8bae6bb 100644
--- a/resources/libraries/python/VppConfigGenerator.py
+++ b/resources/libraries/python/VppConfigGenerator.py
@@ -286,13 +286,13 @@ class VppConfigGenerator(object):
         path = ['dpdk', 'no-multi-seg']
         self.add_config_item(self._nodeconfig, '', path)
 
-    def add_snat(self, value='deterministic'):
-        """Add SNAT configuration.
+    def add_nat(self, value='deterministic'):
+        """Add NAT configuration.
 
-        :param value: SNAT mode.
+        :param value: NAT mode.
         :type value: str
         """
-        path = ['snat']
+        path = ['nat']
         self.add_config_item(self._nodeconfig, value, path)
 
     def apply_config(self, waittime=5, retries=12):
diff --git a/resources/libraries/robot/ip/snat.robot b/resources/libraries/robot/ip/nat.robot
index 610a9150ee..fefc0fe739 100644
--- a/resources/libraries/robot/ip/snat.robot
+++ b/resources/libraries/robot/ip/nat.robot
@@ -12,16 +12,15 @@
 # limitations under the License.
 
 *** Settings ***
-| Library | resources.libraries.python.SNATUtil
-| Library | resources.libraries.python.NAT.NATUtil
-| Documentation | Keywords for SNAT feature in VPP.
+| Library | resources.libraries.python.NATUtil
+| Documentation | Keywords for NAT feature in VPP.
 
 *** Keywords ***
 | Configure inside and outside interfaces
-| | [Documentation] | Configure inside and outside interfaces for SNAT.
+| | [Documentation] | Configure inside and outside interfaces for NAT44.
 | | ...
 | | ... | *Arguments:*
-| | ... | - node - DUT node to set SNAT interfaces on. Type: dictionary
+| | ... | - node - DUT node to set NAT44 interfaces on. Type: dictionary
 | | ... | - int_in - Inside interface. Type: string
 | | ... | - int_out - Outside interface. Type: string
 | | ...
@@ -34,13 +33,13 @@
 | | ...
 | | ${int_in_name}= | Set variable | ${node['interfaces']['${int_in}']['name']}
 | | ${int_out_name}= | Set variable | ${node['interfaces']['${int_out}']['name']}
-| | Set SNAT Interfaces | ${node} | ${int_in_name} | ${int_out_name}
+| | Set NAT44 Interfaces | ${node} | ${int_in_name} | ${int_out_name}
 
-| Configure deterministic mode for SNAT
-| | [Documentation] | Set deterministic behaviour of SNAT.
+| Configure deterministic mode for NAT44
+| | [Documentation] | Set deterministic behaviour of NAT44.
 | | ...
 | | ... | *Arguments:*
-| | ... | - node - DUT node to set deterministic mode for SNAT on.
+| | ... | - node - DUT node to set deterministic mode for NAT44 on.
 | | ... | Type: dictionary
 | | ... | - ip_in - Inside IP. Type: string
 | | ... | - subnet_in - Inside IP subnet. Type: string
@@ -49,83 +48,83 @@
 | | ...
 | | ... | *Example:*
 | | ...
-| | ... | \| Configure deterministic mode for SNAT \| ${nodes['DUT1']} \
+| | ... | \| Configure deterministic mode for NAT44 \| ${nodes['DUT1']} \
 | | ... | \| 100.0.0.0 \| 12 \| 12.1.1.0 \| 24 \|
 | | ...
 | | [Arguments] | ${node} | ${ip_in} | ${subnet_in} | ${ip_out} | ${subnet_out}
 | | ...
-| | Set SNAT deterministic | ${node} | ${ip_in} | ${subnet_in} | ${ip_out}
+| | Set NAT44 deterministic | ${node} | ${ip_in} | ${subnet_in} | ${ip_out}
 | | ... | ${subnet_out}
 
-| Configure workers for SNAT
-| | [Documentation] | Configure workers for SNAT.
+| Configure workers for NAT
+| | [Documentation] | Configure workers for NAT.
 | | ...
 | | ... | *Arguments:*
-| | ... | - node - DUT node to set SNAT workers on. Type: dictionary
+| | ... | - node - DUT node to set NAT workers on. Type: dictionary
 | | ... | - lcores - list of cores, format: range e.g. 1-5 or list of ranges \
 | | ... | e.g.: 1-5,18-22. Type: string
 | | ...
 | | ... | *Example:*
 | | ...
-| | ... | \| Configure workers for SNAT \| ${nodes['DUT1']} \| 12-23,36-47 \|
+| | ... | \| Configure workers for NAT \| ${nodes['DUT1']} \| 12-23,36-47 \|
 | | ...
 | | [Arguments] | ${node} | ${lcores}
 | | ...
-| | Set SNAT workers | ${node} | ${lcores}
+| | Set NAT workers | ${node} | ${lcores}
 
-| Show SNAT verbose
-| | [Documentation] | Get the SNAT settings on the node.
+| Show NAT verbose
+| | [Documentation] | Get the NAT settings on the node.
 | | ...
 | | ... | *Arguments:*
-| | ... | - node - DUT node to show SNAT. Type: dictionary
+| | ... | - node - DUT node to show NAT. Type: dictionary
 | | ...
 | | ... | *Example:*
 | | ...
-| | ... | \| Show SNAT verbose \| ${nodes['DUT1']} \|
+| | ... | \| Show NAT verbose \| ${nodes['DUT1']} \|
 | | ...
 | | [Arguments] | ${node}
 | | ...
-| | Show SNAT | ${node}
+| | Show NAT | ${node}
 
-| Get SNAT deterministic forward
+| Get NAT44 deterministic forward
 | | [Documentation] | Show forward IP address and port(s).
 | | ...
 | | ... | *Arguments:*
-| | ... | - node - DUT node to get SNAT deterministic forward on.
+| | ... | - node - DUT node to get NAT44 deterministic forward on.
 | | ... | Type: dictionary
 | | ... | - ip - IP address. Type: string
 | | ...
 | | ... | *Example:*
 | | ...
-| | ... | \| Get SNAT deterministic forward \| ${nodes['DUT1']} \| 10.0.0.2 \|
+| | ... | \| Get NAT44 deterministic forward \| ${nodes['DUT1']} \| 10.0.0.2 \|
 | | ...
 | | [Arguments] | ${node} | ${ip}
 | | ...
-| | Show SNAT deterministic forward | ${node} | ${ip}
+| | Show NAT44 deterministic forward | ${node} | ${ip}
 
-| Get SNAT deterministic reverse
+| Get NAT44 deterministic reverse
 | | [Documentation] | Show reverse IP address.
 | | ...
 | | ... | *Arguments:*
-| | ... | - node - DUT node to get SNAT deterministic reverse on.
+| | ... | - node - DUT node to get NAT44 deterministic reverse on.
 | | ... | Type: dictionary
 | | ... | - ip - IP address. Type: string
 | | ... | - port - Port. Type: string or integer
 | | ...
 | | ... | *Example:*
 | | ...
-| | ... | \| Get SNAT deterministic reverse \| ${nodes['DUT1']} \| 10.0.0.2 \
+| | ... | \| Get NAT44 deterministic reverse \| ${nodes['DUT1']} \| 10.0.0.2 \
 | | ... | \| 1025 \|
 | | ...
 | | [Arguments] | ${node} | ${ip} | ${port}
 | | ...
-| | Show SNAT deterministic reverse | ${node} | ${ip} | ${port}
+| | Show NAT44 deterministic reverse | ${node} | ${ip} | ${port}
 
 | Get NAT interfaces
 | | [Documentation] | Get list of interfaces configured with NAT from VPP node.
 | | ...
 | | ... | *Arguments:*
-| | ... | - node - DUT node to get SNAT interfaces on. Type: dictionary
+| | ... | - node - DUT node to get NAT interfaces on. Type: dictionary
 | | ...
 | | ... | *Example:*
 | | ...
@@ -133,13 +132,13 @@
 | | ...
 | | [Arguments] | ${node}
 | | ...
-| | VPP get NAT interfaces | ${node}
+| | Get NAT interfaces | ${node}
 
 | Get NAT static mappings
 | | [Documentation] | Get NAT static mappings from VPP node.
 | | ...
 | | ... | *Arguments:*
-| | ... | - node - DUT node to get SNAT static mappings on. Type: dictionary
+| | ... | - node - DUT node to get NAT static mappings on. Type: dictionary
 | | ...
 | | ... | *Example:*
 | | ...
@@ -147,4 +146,4 @@
 | | ...
 | | [Arguments] | ${node}
 | | ...
-| | VPP get NAT static mappings | ${node}
+| | Get NAT static mappings | ${node}
diff --git a/resources/libraries/robot/performance/performance_configuration.robot b/resources/libraries/robot/performance/performance_configuration.robot
index 5935b020d0..8e170c93a9 100644
--- a/resources/libraries/robot/performance/performance_configuration.robot
+++ b/resources/libraries/robot/performance/performance_configuration.robot
@@ -1958,13 +1958,13 @@
 | | Add arp on dut | ${dut2} | ${dut2_if1} | ${dut1_dut2_ip4_address}
 | | ... | ${dut1_if2_mac}
 
-| Initialize SNAT in 3-node circular topology
-| | [Documentation] | Initialization of 3-node topology with SNAT between DUTs:
+| Initialize NAT44 in 3-node circular topology
+| | [Documentation] | Initialization of 3-node topology with NAT44 between DUTs:
 | | ... | - set interfaces up
 | | ... | - set IP addresses
 | | ... | - set ARP
 | | ... | - create routes
-| | ... | - set SNAT - only on DUT1
+| | ... | - set NAT44 - only on DUT1
 | | ...
 | | Set Interface State | ${dut1} | ${dut1_if1} | up
 | | Set Interface State | ${dut1} | ${dut1_if2} | up
@@ -1994,7 +1994,7 @@
 | | ...
 | | Configure inside and outside interfaces
 | | ... | ${dut1} | ${dut1_if1} | ${dut1_if2}
-| | Configure deterministic mode for SNAT
+| | Configure deterministic mode for NAT44
 | | ... | ${dut1} | 20.0.0.0 | 18 | 200.0.0.0 | 30
 
 | Initialize L2 xconnect for '${nr}' memif pairs in 3-node circular topology
diff --git a/resources/libraries/robot/performance/performance_setup.robot b/resources/libraries/robot/performance/performance_setup.robot
index 95b2bddd4f..5838590e31 100644
--- a/resources/libraries/robot/performance/performance_setup.robot
+++ b/resources/libraries/robot/performance/performance_setup.robot
@@ -524,9 +524,9 @@
 | | Teardown traffic generator | ${tg}
 | | Cleanup DPDK Environment | ${dut1} | ${dut1_if1} | ${dut1_if2}
 
-| Tear down performance discovery test with SNAT
+| Tear down performance discovery test with NAT
 | | [Documentation] | Common test teardown for ndrdisc and pdrdisc performance \
-| | ... | tests with SNAT feature used.
+| | ... | tests with NAT feature used.
 | | ...
 | | ... | *Arguments:*
 | | ... | - rate - Rate for sending packets. Type: string
@@ -535,15 +535,15 @@
 | | ...
 | | ... | *Example:*
 | | ...
-| | ... | \| Tear down performance discovery test with SNAT \| 100000pps \| 64 \
+| | ... | \| Tear down performance discovery test with NAT \| 100000pps \| 64 \
 | | ... | \| ${traffic_profile} \|
 | | ...
 | | [Arguments] | ${rate} | ${framesize} | ${traffic_profile}
 | | ...
 | | Tear down performance discovery test | ${rate} | ${framesize}
 | | ... | ${traffic_profile}
-| | Show SNAT verbose | ${dut1}
-| | Show SNAT verbose | ${dut2}
+| | Show NAT verbose | ${dut1}
+| | Show NAT verbose | ${dut2}
 
 | Tear down performance test with ACL
 | | [Documentation] | Common test teardown for ndrdisc and pdrdisc performance \
diff --git a/resources/libraries/robot/shared/default.robot b/resources/libraries/robot/shared/default.robot
index 3d1ce25732..48b61e5f86 100644
--- a/resources/libraries/robot/shared/default.robot
+++ b/resources/libraries/robot/shared/default.robot
@@ -254,12 +254,12 @@
 | | :FOR | ${dut} | IN | @{duts}
 | | | Run keyword | ${dut}.Add DPDK Dev Default TXD | ${txd}
 
-| Add SNAT to all DUTs
-| | [Documentation] | Add SNAT configuration to all DUTs.
+| Add NAT to all DUTs
+| | [Documentation] | Add NAT configuration to all DUTs.
 | | ...
 | | ${duts}= | Get Matches | ${nodes} | DUT*
 | | :FOR | ${dut} | IN | @{duts}
-| | | Run keyword | ${dut}.Add SNAT
+| | | Run keyword | ${dut}.Add NAT
 
 | Add cryptodev to all DUTs
 | | [Documentation] | Add Cryptodev to VPP startup configuration to all DUTs.
diff --git a/resources/templates/vat/nat/nat44_deterministic_forward.vat b/resources/templates/vat/nat/nat44_deterministic_forward.vat
new file mode 100644
index 0000000000..a901398598
--- /dev/null
+++ b/resources/templates/vat/nat/nat44_deterministic_forward.vat
@@ -0,0 +1 @@
+exec nat44 deterministic forward {ip}

diff --git a/resources/templates/vat/nat/nat44_deterministic_reverse.vat b/resources/templates/vat/nat/nat44_deterministic_reverse.vat
new file mode 100644
index 0000000000..614a2c0dfb
--- /dev/null
+++ b/resources/templates/vat/nat/nat44_deterministic_reverse.vat
@@ -0,0 +1 @@
+exec nat44 deterministic reverse {ip}:{port}

diff --git a/resources/templates/vat/nat/nat44_set_deterministic.vat b/resources/templates/vat/nat/nat44_set_deterministic.vat
new file mode 100644
index 0000000000..39f3deeeb2
--- /dev/null
+++ b/resources/templates/vat/nat/nat44_set_deterministic.vat
@@ -0,0 +1 @@
+exec nat44 deterministic add in {ip_in}/{subnet_in} out {ip_out}/{subnet_out}

diff --git a/resources/templates/vat/nat/nat44_set_interfaces.vat b/resources/templates/vat/nat/nat44_set_interfaces.vat
new file mode 100644
index 0000000000..f25961dbc2
--- /dev/null
+++ b/resources/templates/vat/nat/nat44_set_interfaces.vat
@@ -0,0 +1 @@
+exec set interface nat44 in {int_in} out {int_out}

diff --git a/resources/templates/vat/nat/nat_set_workers.vat b/resources/templates/vat/nat/nat_set_workers.vat
new file mode 100644
index 0000000000..1a4d48979d
--- /dev/null
+++ b/resources/templates/vat/nat/nat_set_workers.vat
@@ -0,0 +1 @@
+exec set nat workers {lcores}

diff --git a/resources/templates/vat/nat/nat_show_nat.vat b/resources/templates/vat/nat/nat_show_nat.vat
new file mode 100644
index 0000000000..52f723280d
--- /dev/null
+++ b/resources/templates/vat/nat/nat_show_nat.vat
@@ -0,0 +1 @@
+exec show nat verbose

diff --git a/resources/templates/vat/nat/snat_interface_dump.vat b/resources/templates/vat/nat/snat_interface_dump.vat
new file mode 100644
index 0000000000..b80db63d82
--- /dev/null
+++ b/resources/templates/vat/nat/snat_interface_dump.vat
@@ -0,0 +1 @@
+snat_interface_dump

diff --git a/resources/templates/vat/snat/snat_mapping_dump.vat b/resources/templates/vat/nat/snat_mapping_dump.vat
index 7ac763b4f3..7ac763b4f3 100644
--- a/resources/templates/vat/snat/snat_mapping_dump.vat
+++ b/resources/templates/vat/nat/snat_mapping_dump.vat
diff --git a/resources/templates/vat/snat/snat_deterministic_forward.vat b/resources/templates/vat/snat/snat_deterministic_forward.vat
deleted file mode 100644
index 3bb7b2b1f9..0000000000
--- a/resources/templates/vat/snat/snat_deterministic_forward.vat
+++ /dev/null
@@ -1 +0,0 @@
-exec snat deterministic forward {ip}
\ No newline at end of file
diff --git a/resources/templates/vat/snat/snat_deterministic_reverse.vat b/resources/templates/vat/snat/snat_deterministic_reverse.vat
deleted file mode 100644
index 1b9ac5bac5..0000000000
--- a/resources/templates/vat/snat/snat_deterministic_reverse.vat
+++ /dev/null
@@ -1 +0,0 @@
-exec snat deterministic reverse {ip}:{port}
\ No newline at end of file
diff --git a/resources/templates/vat/snat/snat_interface_dump.vat b/resources/templates/vat/snat/snat_interface_dump.vat
deleted file mode 100644
index 599c82d8d7..0000000000
--- a/resources/templates/vat/snat/snat_interface_dump.vat
+++ /dev/null
@@ -1 +0,0 @@
-snat_interface_dump
\ No newline at end of file
diff --git a/resources/templates/vat/snat/snat_set_deterministic.vat b/resources/templates/vat/snat/snat_set_deterministic.vat
deleted file mode 100644
index 200ae69008..0000000000
--- a/resources/templates/vat/snat/snat_set_deterministic.vat
+++ /dev/null
@@ -1 +0,0 @@
-exec snat deterministic add in {ip_in}/{subnet_in} out {ip_out}/{subnet_out}
\ No newline at end of file
diff --git a/resources/templates/vat/snat/snat_set_interfaces.vat b/resources/templates/vat/snat/snat_set_interfaces.vat
deleted file mode 100644
index 905c219ca3..0000000000
--- a/resources/templates/vat/snat/snat_set_interfaces.vat
+++ /dev/null
@@ -1 +0,0 @@
-exec set interface snat in {int_in} out {int_out}
\ No newline at end of file
diff --git a/resources/templates/vat/snat/snat_set_workers.vat b/resources/templates/vat/snat/snat_set_workers.vat
deleted file mode 100644
index 23e8bac3eb..0000000000
--- a/resources/templates/vat/snat/snat_set_workers.vat
+++ /dev/null
@@ -1 +0,0 @@
-exec set snat workers {lcores}
\ No newline at end of file
diff --git a/resources/templates/vat/snat/snat_show_snat.vat b/resources/templates/vat/snat/snat_show_snat.vat
deleted file mode 100644
index 0ce9f1e914..0000000000
--- a/resources/templates/vat/snat/snat_show_snat.vat
+++ /dev/null
@@ -1 +0,0 @@
-exec show snat verbose
\ No newline at end of file
diff --git a/tests/vpp/perf/ip4/10ge2p1x520-ethip4-ip4base-snat-ndrpdrdisc.robot b/tests/vpp/perf/ip4/10ge2p1x520-ethip4-ip4base-nat44-ndrpdrdisc.robot
index 89aa2788ef..325b01ff6f 100644
--- a/tests/vpp/perf/ip4/10ge2p1x520-ethip4-ip4base-snat-ndrpdrdisc.robot
+++ b/tests/vpp/perf/ip4/10ge2p1x520-ethip4-ip4base-nat44-ndrpdrdisc.robot
@@ -13,11 +13,11 @@
 
 *** Settings ***
 | Resource | resources/libraries/robot/performance/performance_setup.robot
-| Resource | resources/libraries/robot/ip/snat.robot
+| Resource | resources/libraries/robot/ip/nat.robot
 | Resource | resources/libraries/robot/shared/traffic.robot
 | ...
 | Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDRDISC
-| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | SNAT | BASE
+| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | NAT44 | BASE
 | ...
 | Suite Setup | Set up 3-node performance topology with DUT's NIC model
 | ... | L3 | Intel-X520-DA2
@@ -25,15 +25,15 @@
 | ...
 | Test Setup | Set up performance test
 | ...
-| Test Teardown | Tear down performance discovery test with SNAT
+| Test Teardown | Tear down performance discovery test with NAT
 | ... | ${min_rate}pps | ${framesize} | ${traffic_profile}
 | ...
-| Documentation | *SNAT performance test cases*
+| Documentation | *NAT44 performance test cases*
 | ...
 | ... | *High level description*
 | ...
 | ... | - NDR and PDR tests
-| ... | - 3-node topology, TG-DUT1-DUT2-TG, SNAT is enabled between DUTs.
+| ... | - 3-node topology, TG-DUT1-DUT2-TG, NAT44 is enabled between DUTs.
 | ... | - Cores / threads: 1t1c and 2t2c
 | ... | - Framesize: 64B, 1518B, IMIX
 | ... | - Packet: ETH / IP(src, dst) / UDP(src_port, dst_port) / payload
@@ -70,7 +70,7 @@
 | tc01-64B-1t1c-ethip4-ip4base-snat-1u-1p-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1 user and 1 port (session) per user.
 | | ... | [Ver] Find NDR for 64 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -86,9 +86,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -96,7 +96,7 @@
 | tc02-64B-1t1c-ethip4-ip4base-snat-1u-1p-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1 user and 1 port (session) per user.
 | | ... | [Ver] Find PDR for 64 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -112,9 +112,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
@@ -123,7 +123,7 @@
 | tc03-1518B-1t1c-ethip4-ip4base-snat-1u-1p-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1 user and 1 port (session) per user.
 | | ... | [Ver] Find NDR for 1518 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -139,9 +139,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -149,7 +149,7 @@
 | tc04-1518B-1t1c-ethip4-ip4base-snat-1u-1p-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1 user and 1 port (session) per user.
 | | ... | [Ver] Find PDR for 1518 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -165,9 +165,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
@@ -176,7 +176,7 @@
 | tc05-IMIX-1t1c-ethip4-ip4base-snat-1u-1p-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1 user and 1 port (session) per user.
 | | ... | [Ver] Find NDR for IMIX frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -192,9 +192,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -202,7 +202,7 @@
 | tc06-IMIX-1t1c-ethip4-ip4base-snat-1u-1p-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1 user and 1 port (session) per user.
 | | ... | [Ver] Find PDR for IMIX frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -218,9 +218,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
diff --git a/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4base-udpsrcscale15-snat-ndrpdrdisc.robot b/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4base-udpsrcscale15-nat44-ndrpdrdisc.robot
index 4eb3862e0f..62bea89f49 100644
--- a/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4base-udpsrcscale15-snat-ndrpdrdisc.robot
+++ b/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4base-udpsrcscale15-nat44-ndrpdrdisc.robot
@@ -13,11 +13,11 @@
 
 *** Settings ***
 | Resource | resources/libraries/robot/performance/performance_setup.robot
-| Resource | resources/libraries/robot/ip/snat.robot
+| Resource | resources/libraries/robot/ip/nat.robot
 | Resource | resources/libraries/robot/shared/traffic.robot
 | ...
 | Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDRDISC
-| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | SNAT | BASE
+| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | NAT44 | BASE
 | ...
 | Suite Setup | Set up 3-node performance topology with DUT's NIC model
 | ... | L3 | Intel-X520-DA2
@@ -25,15 +25,15 @@
 | ...
 | Test Setup | Set up performance test
 | ...
-| Test Teardown | Tear down performance discovery test with SNAT
+| Test Teardown | Tear down performance discovery test with NAT
 | ... | ${min_rate}pps | ${framesize} | ${traffic_profile}
 | ...
-| Documentation | *SNAT performance test cases*
+| Documentation | *NAT44 performance test cases*
 | ...
 | ... | *High level description*
 | ...
 | ... | - NDR and PDR tests
-| ... | - 3-node topology, TG-DUT1-DUT2-TG, SNAT is enabled between DUTs.
+| ... | - 3-node topology, TG-DUT1-DUT2-TG, NAT44 is enabled between DUTs.
 | ... | - Cores / threads: 1t1c and 2t2c
 | ... | - Framesize: 64B, 1518B, IMIX
 | ... | - Packet: ETH / IP(src, dst) / UDP(src_port, dst_port) / payload
@@ -72,7 +72,7 @@
 | tc01-64B-1t1c-ethip4udp-ip4base-udpsrcscale15-snat-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1 user and 15 ports (sessions) per user.
 | | ... | [Ver] Find NDR for 64 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -88,9 +88,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -98,7 +98,7 @@
 | tc02-64B-1t1c-ethip4udp-ip4base-udpsrcscale15-snat-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1 user and 15 ports (sessions) per user.
 | | ... | [Ver] Find PDR for 64 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -114,9 +114,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
@@ -125,7 +125,7 @@
 | tc03-1518B-1t1c-ethip4udp-ip4base-udpsrcscale15-snat-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1 user and 15 ports (sessions) per user.
 | | ... | [Ver] Find NDR for 1518 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -141,9 +141,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -151,7 +151,7 @@
 | tc04-1518B-1t1c-ethip4udp-ip4base-udpsrcscale15-snat-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1 user and 15 ports (sessions) per user.
 | | ... | [Ver] Find PDR for 1518 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -167,9 +167,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
@@ -178,7 +178,7 @@
 | tc05-IMIX-1t1c-ethip4udp-ip4base-udpsrcscale15-snat-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1 user and 15 ports (sessions) per user.
 | | ... | [Ver] Find NDR for IMIX frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -194,9 +194,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -204,7 +204,7 @@
 | tc06-IMIX-1t1c-ethip4udp-ip4base-udpsrcscale15-snat-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1 user and 15 ports (sessions) per user.
 | | ... | [Ver] Find PDR for IMIX frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -220,9 +220,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
diff --git a/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale10-udpsrcscale15-snat-ndrpdrdisc.robot b/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale10-udpsrcscale15-nat44-ndrpdrdisc.robot
index 28b44ebfc6..ade9d42eeb 100644
--- a/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale10-udpsrcscale15-snat-ndrpdrdisc.robot
+++ b/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale10-udpsrcscale15-nat44-ndrpdrdisc.robot
@@ -13,11 +13,11 @@
 
 *** Settings ***
 | Resource | resources/libraries/robot/performance/performance_setup.robot
-| Resource | resources/libraries/robot/ip/snat.robot
+| Resource | resources/libraries/robot/ip/nat.robot
 | Resource | resources/libraries/robot/shared/traffic.robot
 | ...
 | Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDRDISC
-| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | SNAT | SRC_USER_10
+| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_10
 | ... | SCALE
 | ...
 | Suite Setup | Set up 3-node performance topology with DUT's NIC model
@@ -26,15 +26,15 @@
 | ...
 | Test Setup | Set up performance test
 | ...
-| Test Teardown | Tear down performance discovery test with SNAT
+| Test Teardown | Tear down performance discovery test with NAT
 | ... | ${min_rate}pps | ${framesize} | ${traffic_profile}
 | ...
-| Documentation | *SNAT performance test cases*
+| Documentation | *NAT44 performance test cases*
 | ...
 | ... | *High level description*
 | ...
 | ... | - NDR and PDR tests
-| ... | - 3-node topology, TG-DUT1-DUT2-TG, SNAT is enabled between DUTs.
+| ... | - 3-node topology, TG-DUT1-DUT2-TG, NAT44 is enabled between DUTs.
 | ... | - Cores / threads: 1t1c and 2t2c
 | ... | - Framesize: 64B, 1518B, IMIX
 | ... | - Packet: ETH / IP(src, dst) / UDP(src_port, dst_port) / payload
@@ -73,7 +73,7 @@
 | tc01-64B-1t1c-ethip4udp-ip4scale10-udpsrcscale15-snat-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 10 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find NDR for 64 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -89,9 +89,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -99,7 +99,7 @@
 | tc02-64B-1t1c-ethip4udp-ip4scale10-udpsrcscale15-snat-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 10 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find PDR for 64 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -115,9 +115,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
@@ -126,7 +126,7 @@
 | tc03-1518B-1t1c-ethip4udp-ip4scale10-udpsrcscale15-snat-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 10 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find NDR for 1518 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -142,9 +142,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -152,7 +152,7 @@
 | tc04-1518B-1t1c-ethip4udp-ip4scale10-udpsrcscale15-snat-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 10 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find PDR for 1518 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -168,9 +168,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
@@ -179,7 +179,7 @@
 | tc05-IMIX-1t1c-ethip4udp-ip4scale10-udpsrcscale15-snat-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 10 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find NDR for IMIX frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -195,9 +195,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -205,7 +205,7 @@
 | tc06-IMIX-1t1c-ethip4udp-ip4scale10-udpsrcscale15-snat-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 10 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find PDR for IMIX frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -221,9 +221,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
diff --git a/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale100-udpsrcscale15-snat-ndrpdrdisc.robot b/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale100-udpsrcscale15-nat44-ndrpdrdisc.robot
index 9f683679e2..57d9bf6543 100644
--- a/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale100-udpsrcscale15-snat-ndrpdrdisc.robot
+++ b/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale100-udpsrcscale15-nat44-ndrpdrdisc.robot
@@ -13,11 +13,11 @@
 
 *** Settings ***
 | Resource | resources/libraries/robot/performance/performance_setup.robot
-| Resource | resources/libraries/robot/ip/snat.robot
+| Resource | resources/libraries/robot/ip/nat.robot
 | Resource | resources/libraries/robot/shared/traffic.robot
 | ...
 | Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDRDISC
-| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | SNAT | SRC_USER_100
+| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_100
 | ... | SCALE
 | ...
 | Suite Setup | Set up 3-node performance topology with DUT's NIC model
@@ -26,15 +26,15 @@
 | ...
 | Test Setup | Set up performance test
 | ...
-| Test Teardown | Tear down performance discovery test with SNAT
+| Test Teardown | Tear down performance discovery test with NAT
 | ... | ${min_rate}pps | ${framesize} | ${traffic_profile}
 | ...
-| Documentation | *SNAT performance test cases*
+| Documentation | *NAT44 performance test cases*
 | ...
 | ... | *High level description*
 | ...
 | ... | - NDR and PDR tests
-| ... | - 3-node topology, TG-DUT1-DUT2-TG, SNAT is enabled between DUTs.
+| ... | - 3-node topology, TG-DUT1-DUT2-TG, NAT44 is enabled between DUTs.
 | ... | - Cores / threads: 1t1c and 2t2c
 | ... | - Framesize: 64B, 1518B, IMIX
 | ... | - Packet: ETH / IP(src, dst) / UDP(src_port, dst_port) / payload
@@ -73,7 +73,7 @@
 | tc01-64B-1t1c-ethip4udp-ip4scale100-udpsrcscale15-snat-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 100 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find NDR for 64 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -89,9 +89,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -99,7 +99,7 @@
 | tc02-64B-1t1c-ethip4udp-ip4scale100-udpsrcscale15-snat-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 100 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find PDR for 64 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -115,9 +115,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
@@ -126,7 +126,7 @@
 | tc03-1518B-1t1c-ethip4udp-ip4scale100-udpsrcscale15-snat-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 100 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find NDR for 1518 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -142,9 +142,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -152,7 +152,7 @@
 | tc04-1518B-1t1c-ethip4udp-ip4scale100-udpsrcscale15-snat-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 100 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find PDR for 1518 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -168,9 +168,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
@@ -179,7 +179,7 @@
 | tc05-IMIX-1t1c-ethip4udp-ip4scale100-udpsrcscale15-snat-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 100 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find NDR for IMIX frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -195,9 +195,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -205,7 +205,7 @@
 | tc06-IMIX-1t1c-ethip4udp-ip4scale100-udpsrcscale15-snat-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 100 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find PDR for IMIX frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -221,9 +221,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
diff --git a/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale1000-udpsrcscale15-snat-ndrpdrdisc.robot b/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale1000-udpsrcscale15-nat44-ndrpdrdisc.robot
index 73ede552b2..bc0ef7e500 100644
--- a/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale1000-udpsrcscale15-snat-ndrpdrdisc.robot
+++ b/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale1000-udpsrcscale15-nat44-ndrpdrdisc.robot
@@ -13,11 +13,11 @@
 
 *** Settings ***
 | Resource | resources/libraries/robot/performance/performance_setup.robot
-| Resource | resources/libraries/robot/ip/snat.robot
+| Resource | resources/libraries/robot/ip/nat.robot
 | Resource | resources/libraries/robot/shared/traffic.robot
 | ...
 | Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDRDISC
-| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | SNAT | SRC_USER_1000
+| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_1000
 | ... | SCALE
 | ...
 | Suite Setup | Set up 3-node performance topology with DUT's NIC model
@@ -26,15 +26,15 @@
 | ...
 | Test Setup | Set up performance test
 | ...
-| Test Teardown | Tear down performance discovery test with SNAT
+| Test Teardown | Tear down performance discovery test with NAT
 | ... | ${min_rate}pps | ${framesize} | ${traffic_profile}
 | ...
-| Documentation | *SNAT performance test cases*
+| Documentation | *NAT44 performance test cases*
 | ...
 | ... | *High level description*
 | ...
 | ... | - NDR and PDR tests
-| ... | - 3-node topology, TG-DUT1-DUT2-TG, SNAT is enabled between DUTs.
+| ... | - 3-node topology, TG-DUT1-DUT2-TG, NAT44 is enabled between DUTs.
 | ... | - Cores / threads: 1t1c and 2t2c
 | ... | - Framesize: 64B, 1518B, IMIX
 | ... | - Packet: ETH / IP(src, dst) / UDP(src_port, dst_port) / payload
@@ -73,7 +73,7 @@
 | tc01-64B-1t1c-ethip4udp-ip4scale1000-udpsrcscale15-snat-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1000 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find NDR for 64 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -89,9 +89,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -99,7 +99,7 @@
 | tc02-64B-1t1c-ethip4udp-ip4scale1000-udpsrcscale15-snat-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1000 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find PDR for 64 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -115,9 +115,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
@@ -126,7 +126,7 @@
 | tc03-1518B-1t1c-ethip4udp-ip4scale1000-udpsrcscale15-snat-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1000 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find NDR for 1518 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -142,9 +142,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -152,7 +152,7 @@
 | tc04-1518B-1t1c-ethip4udp-ip4scale1000-udpsrcscale15-snat-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1000 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find PDR for 1518 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -168,9 +168,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
@@ -179,7 +179,7 @@
 | tc05-IMIX-1t1c-ethip4udp-ip4scale1000-udpsrcscale15-snat-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1000 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find NDR for IMIX frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -195,9 +195,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -205,7 +205,7 @@
 | tc06-IMIX-1t1c-ethip4udp-ip4scale1000-udpsrcscale15-snat-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 1000 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find PDR for IMIX frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -221,9 +221,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
diff --git a/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale2000-udpsrcscale15-snat-ndrpdrdisc.robot b/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale2000-udpsrcscale15-nat44-ndrpdrdisc.robot
index bce900f0ec..056f213805 100644
--- a/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale2000-udpsrcscale15-snat-ndrpdrdisc.robot
+++ b/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale2000-udpsrcscale15-nat44-ndrpdrdisc.robot
@@ -13,11 +13,11 @@
 
 *** Settings ***
 | Resource | resources/libraries/robot/performance/performance_setup.robot
-| Resource | resources/libraries/robot/ip/snat.robot
+| Resource | resources/libraries/robot/ip/nat.robot
 | Resource | resources/libraries/robot/shared/traffic.robot
 | ...
 | Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDRDISC
-| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | SNAT | SRC_USER_2000
+| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_2000
 | ... | SCALE
 | ...
 | Suite Setup | Set up 3-node performance topology with DUT's NIC model
@@ -26,15 +26,15 @@
 | ...
 | Test Setup | Set up performance test
 | ...
-| Test Teardown | Tear down performance discovery test with SNAT
+| Test Teardown | Tear down performance discovery test with NAT
 | ... | ${min_rate}pps | ${framesize} | ${traffic_profile}
 | ...
-| Documentation | *SNAT performance test cases*
+| Documentation | *NAT44 performance test cases*
 | ...
 | ... | *High level description*
 | ...
 | ... | - NDR and PDR tests
-| ... | - 3-node topology, TG-DUT1-DUT2-TG, SNAT is enabled between DUTs.
+| ... | - 3-node topology, TG-DUT1-DUT2-TG, NAT44 is enabled between DUTs.
 | ... | - Cores / threads: 1t1c and 2t2c
 | ... | - Framesize: 64B, 1518B, IMIX
 | ... | - Packet: ETH / IP(src, dst) / UDP(src_port, dst_port) / payload
@@ -73,7 +73,7 @@
 | tc01-64B-1t1c-ethip4udp-ip4scale2000-udpsrcscale15-snat-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 2000 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find NDR for 64 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -89,9 +89,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -99,7 +99,7 @@
 | tc02-64B-1t1c-ethip4udp-ip4scale2000-udpsrcscale15-snat-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 2000 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find PDR for 64 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -115,9 +115,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
diff --git a/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale4000-udpsrcscale15-snat-ndrpdrdisc.robot b/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale4000-udpsrcscale15-nat44-ndrpdrdisc.robot
index 2b91618470..cd7bf41732 100644
--- a/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale4000-udpsrcscale15-snat-ndrpdrdisc.robot
+++ b/tests/vpp/perf/ip4/10ge2p1x520-ethip4udp-ip4scale4000-udpsrcscale15-nat44-ndrpdrdisc.robot
@@ -13,11 +13,11 @@
 
 *** Settings ***
 | Resource | resources/libraries/robot/performance/performance_setup.robot
-| Resource | resources/libraries/robot/ip/snat.robot
+| Resource | resources/libraries/robot/ip/nat.robot
 | Resource | resources/libraries/robot/shared/traffic.robot
 | ...
 | Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDRDISC
-| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | SNAT | SRC_USER_4000
+| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_4000
 | ... | SCALE
 | ...
 | Suite Setup | Set up 3-node performance topology with DUT's NIC model
@@ -26,15 +26,15 @@
 | ...
 | Test Setup | Set up performance test
 | ...
-| Test Teardown | Tear down performance discovery test with SNAT
+| Test Teardown | Tear down performance discovery test with NAT
 | ... | ${min_rate}pps | ${framesize} | ${traffic_profile}
 | ...
-| Documentation | *SNAT performance test cases*
+| Documentation | *NAT44 performance test cases*
 | ...
 | ... | *High level description*
 | ...
 | ... | - NDR and PDR tests
-| ... | - 3-node topology, TG-DUT1-DUT2-TG, SNAT is enabled between DUTs.
+| ... | - 3-node topology, TG-DUT1-DUT2-TG, NAT44 is enabled between DUTs.
 | ... | - Cores / threads: 1t1c and 2t2c
 | ... | - Framesize: 64B, 1518B, IMIX
 | ... | - Packet: ETH / IP(src, dst) / UDP(src_port, dst_port) / payload
@@ -73,7 +73,7 @@
 | tc01-64B-1t1c-ethip4udp-ip4scale4000-udpsrcscale15-snat-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 4000 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find NDR for 64 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -89,9 +89,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -99,7 +99,7 @@
 | tc02-64B-1t1c-ethip4udp-ip4scale4000-udpsrcscale15-snat-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUT runs IPv4 routing config with 1 thread, 1 phy core,\
-| | ... | 1 receive queue per NIC port. SNAT is configured between DUTs -\
+| | ... | 1 receive queue per NIC port. NAT44 is configured between DUTs -\
 | | ... | 4000 users and 15 ports (sessions) per user.
 | | ... | [Ver] Find PDR for 64 Byte frames using binary search start at 10GE\
 | | ... | linerate, step 100kpps.
@@ -115,9 +115,9 @@
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
 | | And Add PCI devices to DUTs in 3-node single link topology
 | | And Add no multi seg to all DUTs
-| | And Add SNAT to all DUTs
+| | And Add NAT to all DUTs
 | | And Apply startup configuration on all VPP DUTs
-| | When Initialize SNAT in 3-node circular topology
+| | When Initialize NAT44 in 3-node circular topology
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
 | | ... | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}