CSIT-183: Vpn baseline routed forwarding (VRF)

- Setup 2 VRF tables on each DUT
- Test traffic - each port accessible within one vrf
- Test traffic - ports inaccessible to different vrf

Change-Id: I34256a683039734608509a38857dbdcbdd15bcf9
Signed-off-by: Zdeno Olsovsky <zolsovsk@cisco.com>
Signed-off-by: Matej Klotton <mklotton@cisco.com>

9 files changed, 605 insertions, 14 deletions

diff --git a/resources/libraries/python/IPv4Setup.py b/resources/libraries/python/IPv4Setup.py
index 0720e730a8..d4be4c602a 100644
--- a/resources/libraries/python/IPv4Setup.py
+++ b/resources/libraries/python/IPv4Setup.py
@@ -173,19 +173,23 @@ class Dut(IPv4Node):
         # TODO: check return value
         VatExecutor.cmd_from_template(self.node_info, script, **args)
 
-    def set_arp(self, iface_key, ip_address, mac_address):
+    def set_arp(self, iface_key, ip_address, mac_address, vrf=None):
         """Set entry in ARP cache.
 
         :param iface_key: Interface key.
         :param ip_address: IP address.
         :param mac_address: MAC address.
+        :param vrf: VRF table ID (Optional).
         :type iface_key: str
         :type ip_address: str
         :type mac_address: str
+        :type vrf: int
         """
+        vrf = "vrf {}".format(vrf) if vrf else ''
         self.exec_vat('add_ip_neighbor.vat',
                       sw_if_index=self.get_sw_if_index(iface_key),
-                      ip_address=ip_address, mac_address=mac_address)
+                      ip_address=ip_address, mac_address=mac_address,
+                      vrf=vrf)
 
     def set_ip(self, interface, address, prefix_length):
         self.exec_vat('add_ip_address.vat',
@@ -316,16 +320,18 @@ class IPv4Setup(object):
                 get_node(node).set_arp(iface_key, ip_address, mac_address)
 
     @staticmethod
-    def add_arp_on_dut(node, iface_key, ip_address, mac_address):
+    def add_arp_on_dut(node, iface_key, ip_address, mac_address, vrf=None):
         """Set ARP cache entree on DUT node.
 
         :param node: VPP Node in the topology.
         :param iface_key: Interface key.
         :param ip_address: IP address of the interface.
         :param mac_address: MAC address of the interface.
+        :param vrf: VRF table ID (Optional).
         :type node: dict
         :type iface_key: str
         :type ip_address: str
         :type mac_address: str
+        :type vrf: int
         """
-        get_node(node).set_arp(iface_key, ip_address, mac_address)
+        get_node(node).set_arp(iface_key, ip_address, mac_address, vrf)
diff --git a/resources/libraries/python/IPv6Util.py b/resources/libraries/python/IPv6Util.py
index 437a7c0cbb..54196ebf52 100644
--- a/resources/libraries/python/IPv6Util.py
+++ b/resources/libraries/python/IPv6Util.py
@@ -111,18 +111,22 @@ class IPv6Util(object):
             n=node['host'], p=interface))
 
     @staticmethod
-    def add_ip_neighbor(node, interface, ip_address, mac_address):
+    def add_ip_neighbor(node, interface, ip_address, mac_address, vrf=None):
         """Add IP neighbor.
 
         :param node: VPP node to add ip neighbor.
         :param interface: Interface name or sw_if_index.
         :param ip_address: IP address.
         :param mac_address: MAC address.
+        :param vrf: VRF table ID (Optional).
         :type node: dict
         :type interface: str or int
         :type ip_address: str
         :type mac_address: str
+        :type vrf: int
         """
+        vrf = "vrf {}".format(vrf) if vrf else ''
+
         if isinstance(interface, basestring):
             sw_if_index = Topology.get_interface_sw_index(node, interface)
         else:
@@ -132,4 +136,5 @@ class IPv6Util(object):
             vat.vat_terminal_exec_cmd_from_template("add_ip_neighbor.vat",
                                                     sw_if_index=sw_if_index,
                                                     ip_address=ip_address,
-                                                    mac_address=mac_address)
+                                                    mac_address=mac_address,
+                                                    vrf=vrf)
diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index 008d42435c..a16a02fbe8 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -793,3 +793,24 @@ class InterfaceUtil(object):
         with VatTerminal(node) as vat:
             vat.vat_terminal_exec_cmd_from_template("ip_source_check.vat",
                                                     interface_name=interface)
+
+    @staticmethod
+    def assign_interface_to_fib_table(node, interface, table_id):
+        """Assign VPP interface to specific VRF/FIB table.
+
+        :param node: VPP node where the FIB and interface are located.
+        :param interface: Interface to be assigned to FIB.
+        :param table_id: VRF table ID.
+        :type node: dict
+        :type interface: str or int
+        :type table_id: int
+        """
+        if isinstance(interface, basestring):
+            sw_if_index = Topology.get_interface_sw_index(node, interface)
+        else:
+            sw_if_index = interface
+
+        with VatTerminal(node) as vat:
+            vat.vat_terminal_exec_cmd_from_template("set_fib_to_interface.vat",
+                                                    sw_index=sw_if_index,
+                                                    vrf=table_id)
diff --git a/resources/libraries/python/Routing.py b/resources/libraries/python/Routing.py
index ad1a46b3d4..199b6de8d5 100644
--- a/resources/libraries/python/Routing.py
+++ b/resources/libraries/python/Routing.py
@@ -21,8 +21,9 @@ class Routing(object):
     """Routing utilities."""
 
     @staticmethod
-    def vpp_route_add(node, network, prefix_len, gateway=None, interface=None,
-                      use_sw_index=True, resolve_attempts=10, count=1):
+    def vpp_route_add(node, network, prefix_len, gateway=None,
+                      interface=None, use_sw_index=True, resolve_attempts=10,
+                      count=1, vrf=None):
         """Add route to the VPP node.
 
         :param node: Node to add route on.
@@ -30,11 +31,11 @@ class Routing(object):
         :param prefix_len: Route destination network prefix length.
         :param gateway: Route gateway address.
         :param interface: Route interface.
+        :param vrf: VRF table ID (Optional).
         :param use_sw_index: Use sw_if_index in VAT command.
         :param resolve_attempts: Resolve attempts IP route add parameter.
         :param count: number of IP addresses to add starting from network IP
-            with same prefix (increment is 1)
-        If None, then is not used.
+        with same prefix (increment is 1). If None, then is not used.
         :type node: dict
         :type network: str
         :type prefix_len: int
@@ -43,6 +44,7 @@ class Routing(object):
         :type use_sw_index: bool
         :type resolve_attempts: int
         :type count: int
+        :type vrf: int
         """
         if use_sw_index:
             int_cmd = ('sw_if_index {}'.
@@ -58,11 +60,14 @@ class Routing(object):
         cnt = 'count {}'.format(count) \
             if count else ''
 
+        vrf = 'vrf {}'.format(vrf) if vrf else ''
+
         with VatTerminal(node, json_param=False) as vat:
             vat.vat_terminal_exec_cmd_from_template('add_route.vat',
                                                     network=network,
                                                     prefix_length=prefix_len,
                                                     via=via,
+                                                    vrf=vrf,
                                                     interface=int_cmd,
                                                     resolve_attempts=rap,
                                                     count=cnt)
diff --git a/resources/libraries/robot/testing_path.robot b/resources/libraries/robot/testing_path.robot
index 763b34e18a..e31ebd5214 100644
--- a/resources/libraries/robot/testing_path.robot
+++ b/resources/libraries/robot/testing_path.robot
@@ -164,8 +164,9 @@
 | | Set Test Variable | ${dut2_node}
 
 | Interfaces in 3-node path are up
-| | [Documentation] | Set UP state on interfaces in 3-node path on nodes and
-| | ...             | wait for all interfaces are ready.
+| | [Documentation]
+| | ... | Set UP state on interfaces in 3-node path on nodes and \
+| | ... | wait until all interfaces are ready.
 | | ...
 | | ... | *Arguments:*
 | | ... | - No arguments.
@@ -190,3 +191,163 @@
 | | Set Interface State | ${dut2_node} | ${dut2_to_dut1} | up
 | | Vpp Node Interfaces Ready Wait | ${dut1_node}
 | | Vpp Node Interfaces Ready Wait | ${dut2_node}
+
+| Path for Double-Link 3-node testing is set
+| | [Documentation]
+| | ... | Compute path for testing on three given nodes in circular \
+| | ... | topology with double link and set corresponding \
+| | ... | test case variables.
+| | ...
+| | ... | *Arguments:*
+| | ... | - ${tg_node} - TG node. Type: dictionary
+| | ... | - ${dut1_node} - DUT1 node. Type: dictionary
+| | ... | - ${dut2_node} - DUT2 node. Type: dictionary
+| | ... | - ${tg2_node} - Node where the path ends. Must be the same as TG node
+| | ... |   parameter in circular topology. Type: dictionary
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned.
+| | ... |
+| | ... | _NOTE:_ This KW sets following test case variables:
+| | ... | - ${tg_node} - TG node.
+| | ... | - ${tg_to_dut1_if1} - TG interface towards DUT1 interface 1.
+| | ... | - ${tg_to_dut1_if2} - TG interface towards DUT1 interface 2.
+| | ... | - ${tg_to_dut1_mac_if1} - TG towards DUT1 MAC address interface 1.
+| | ... | - ${tg_to_dut1_mac_if2} - TG towards DUT1 MAC address interface 2.
+| | ... | - ${tg_to_dut2_if1} - TG interface towards DUT2 interface 1.
+| | ... | - ${tg_to_dut2_if2} - TG interface towards DUT2 interface 2.
+| | ... | - ${tg_to_dut2_mac_if1} - TG towards DUT2 MAC address interface 1.
+| | ... | - ${tg_to_dut2_mac_if2} - TG towards DUT2 MAC address interface 2.
+| | ... | - ${dut1_node} - DUT1 node.
+| | ... | - ${dut1_to_tg_if1} - DUT1 interface towards TG interface 1.
+| | ... | - ${dut1_to_tg_if2} - DUT1 interface towards TG interface 2.
+| | ... | - ${dut1_to_tg_mac_if1} - DUT1 towards TG MAC address interface 1.
+| | ... | - ${dut1_to_tg_mac_if2} - DUT1 towards TG MAC address interface 2.
+| | ... | - ${dut1_to_dut2_if1} - DUT1 interface towards DUT2 interface 1.
+| | ... | - ${dut1_to_dut2_if2} - DUT1 interface towards DUT2 interface 2.
+| | ... | - ${dut1_to_dut2_mac_if1} - DUT1 towards DUT2 MAC address interface 1.
+| | ... | - ${dut1_to_dut2_mac_if2} - DUT1 towards DUT2 MAC address interface 2.
+| | ... | - ${dut2_node} - DUT2 node.
+| | ... | - ${dut2_to_tg_if1} - DUT2 interface towards TG interface 1.
+| | ... | - ${dut2_to_tg_if2} - DUT2 interface towards TG interface 2.
+| | ... | - ${dut2_to_tg_mac_if1} - DUT2 towards TG MAC address interface 1.
+| | ... | - ${dut2_to_tg_mac_if2} - DUT2 towards TG MAC address interface 2.
+| | ... | - ${dut2_to_dut1_if1} - DUT2 interface towards DUT1 interface 1.
+| | ... | - ${dut2_to_dut1_if2} - DUT2 interface towards DUT1 interface 2.
+| | ... | - ${dut2_to_dut1_mac_if1} - DUT2 towards DUT1 MAC address interface 1.
+| | ... | - ${dut2_to_dut1_mac_if2} - DUT2 towards DUT1 MAC address interface 2.
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Path for Double-Link 3-node testing is set \| ${nodes['TG']} \
+| | ... | \| ${nodes['DUT1']} \| ${nodes['DUT2']} \| ${nodes['TG']} \|
+| | ...
+| | [Arguments] | ${tg_node} | ${dut1_node} | ${dut2_node} | ${tg2_node}
+| | Should Be Equal | ${tg_node} | ${tg2_node}
+| | # Compute path TG - DUT1 with two links in between
+| | Append Nodes | ${tg_node} | ${dut1_node} | ${tg_node}
+| | Compute Path | always_same_link=${FALSE}
+| | ${tg_to_dut1_if1} | ${tmp}= | First Interface
+| | ${tg_to_dut1_if2} | ${tmp}= | Last Interface
+| | ${dut1_to_tg_if1} | ${tmp}= | First Ingress Interface
+| | ${dut1_to_tg_if2} | ${tmp}= | Last Egress Interface
+| | # Compute path TG - DUT2 with two links in between
+| | Clear Path
+| | Append Nodes | ${tg_node} | ${dut2_node} | ${tg_node}
+| | Compute Path | always_same_link=${FALSE}
+| | ${tg_to_dut2_if1} | ${tmp}= | First Interface
+| | ${tg_to_dut2_if2} | ${tmp}= | Last Interface
+| | ${dut2_to_tg_if1} | ${tmp}= | First Ingress Interface
+| | ${dut2_to_tg_if2} | ${tmp}= | Last Egress Interface
+| | # Compute path DUT1 - DUT2 with one link in between
+| | Clear Path
+| | Append Nodes | ${dut1_node} | ${dut2_node} | ${dut1_node}
+| | Compute Path | always_same_link=${FALSE}
+| | ${dut1_to_dut2_if1} | ${tmp}= | First Interface
+| | ${dut1_to_dut2_if2} | ${tmp}= | Last Interface
+| | ${dut2_to_dut1_if1} | ${tmp}= | First Ingress Interface
+| | ${dut2_to_dut1_if2} | ${tmp}= | Last Egress Interface
+| | # Set test variables
+| | Set Test Variable | ${tg_to_dut1_if1}
+| | Set Test Variable | ${tg_to_dut1_if2}
+| | Set Test Variable | ${tg_to_dut2_if1}
+| | Set Test Variable | ${tg_to_dut2_if2}
+| | Set Test Variable | ${dut1_to_tg_if1}
+| | Set Test Variable | ${dut1_to_tg_if2}
+| | Set Test Variable | ${dut2_to_tg_if1}
+| | Set Test Variable | ${dut2_to_tg_if2}
+| | Set Test Variable | ${dut1_to_dut2_if1}
+| | Set Test Variable | ${dut1_to_dut2_if2}
+| | Set Test Variable | ${dut2_to_dut1_if1}
+| | Set Test Variable | ${dut2_to_dut1_if2}
+| | Set Test Variable | ${tg_node}
+| | Set Test Variable | ${dut1_node}
+| | Set Test Variable | ${dut2_node}
+| | # Set Mac Addresses
+| | ${tg_to_dut1_if1_mac}= | Get interface mac | ${tg_node} | ${tg_to_dut1_if1}
+| | ${tg_to_dut1_if2_mac}= | Get interface mac | ${tg_node} | ${tg_to_dut1_if2}
+| | ${tg_to_dut2_if1_mac}= | Get interface mac | ${tg_node} | ${tg_to_dut2_if1}
+| | ${tg_to_dut2_if2_mac}= | Get interface mac | ${tg_node} | ${tg_to_dut2_if2}
+| | ${dut1_to_tg_if1_mac}= | Get interface mac | ${dut1_node}
+| | ... | ${dut1_to_tg_if1}
+| | ${dut1_to_tg_if2_mac}= | Get interface mac | ${dut1_node}
+| | ... | ${dut1_to_tg_if2}
+| | ${dut1_to_dut2_if1_mac}= | Get interface mac | ${dut1_node}
+| | ... | ${dut1_to_dut2_if1}
+| | ${dut1_to_dut2_if2_mac}= | Get interface mac | ${dut1_node}
+| | ... | ${dut1_to_dut2_if2}
+| | ${dut2_to_tg_if1_mac}= | Get interface mac | ${dut2_node}
+| | ... | ${dut2_to_tg_if1}
+| | ${dut2_to_tg_if2_mac}= | Get interface mac | ${dut2_node}
+| | ... | ${dut2_to_tg_if2}
+| | ${dut2_to_dut1_if1_mac}= | Get interface mac | ${dut2_node}
+| | ... | ${dut2_to_dut1_if1}
+| | ${dut2_to_dut1_if2_mac}= | Get interface mac | ${dut2_node}
+| | ... | ${dut2_to_dut1_if2}
+| | Set Test Variable | ${tg_to_dut1_if1_mac}
+| | Set Test Variable | ${tg_to_dut1_if2_mac}
+| | Set Test Variable | ${tg_to_dut2_if1_mac}
+| | Set Test Variable | ${tg_to_dut2_if2_mac}
+| | Set Test Variable | ${dut1_to_tg_if1_mac}
+| | Set Test Variable | ${dut1_to_tg_if2_mac}
+| | Set Test Variable | ${dut1_to_dut2_if1_mac}
+| | Set Test Variable | ${dut1_to_dut2_if2_mac}
+| | Set Test Variable | ${dut2_to_tg_if1_mac}
+| | Set Test Variable | ${dut2_to_tg_if2_mac}
+| | Set Test Variable | ${dut2_to_dut1_if1_mac}
+| | Set Test Variable | ${dut2_to_dut1_if2_mac}
+
+| Interfaces in Double-Link 3-node path are UP
+| | [Documentation]
+| | ... | Set UP state on interfaces in 3-node double link path \
+| | ... | wait until all interfaces are ready.
+| | ...
+| | ... | *Arguments:*
+| | ... | - No arguments.
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned.
+| | ...
+| | ... | _NOTE:_ This KW uses test variables sets in
+| | ... |         "Path for Double-Link 3-node testing is set" KW.
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Path for Double-Link 3-node testing is set \| ${nodes['TG']} \
+| | ... | \| ${nodes['DUT1']} \| ${nodes['TG']} \|
+| | ... | \| Interfaces in Double-Link 3-node testing are UP \|
+| | ...
+| | Set Interface State | ${tg_node} | ${tg_to_dut1_if1} | up
+| | Set Interface State | ${tg_node} | ${tg_to_dut1_if2} | up
+| | Set Interface State | ${tg_node} | ${tg_to_dut2_if1} | up
+| | Set Interface State | ${tg_node} | ${tg_to_dut2_if2} | up
+| | Set Interface State | ${dut1_node} | ${dut1_to_tg_if1} | up
+| | Set Interface State | ${dut1_node} | ${dut1_to_tg_if2} | up
+| | Set Interface State | ${dut2_node} | ${dut2_to_tg_if1} | up
+| | Set Interface State | ${dut2_node} | ${dut2_to_tg_if2} | up
+| | Set Interface State | ${dut1_node} | ${dut1_to_dut2_if1} | up
+| | Set Interface State | ${dut1_node} | ${dut1_to_dut2_if2} | up
+| | Set Interface State | ${dut2_node} | ${dut2_to_dut1_if1} | up
+| | Set Interface State | ${dut2_node} | ${dut2_to_dut1_if2} | up
+| | Vpp Node Interfaces Ready Wait | ${dut1_node}
+| | Vpp Node Interfaces Ready Wait | ${dut2_node}
\ No newline at end of file
diff --git a/resources/templates/vat/add_ip_neighbor.vat b/resources/templates/vat/add_ip_neighbor.vat
index cbea0e14a6..de868e1de7 100644
--- a/resources/templates/vat/add_ip_neighbor.vat
+++ b/resources/templates/vat/add_ip_neighbor.vat
@@ -1 +1 @@
-ip_neighbor_add_del sw_if_index {sw_if_index} dst {ip_address} mac {mac_address}

+ip_neighbor_add_del sw_if_index {sw_if_index} dst {ip_address} mac {mac_address} {vrf}

diff --git a/resources/templates/vat/add_route.vat b/resources/templates/vat/add_route.vat
index 9877a3ac46..6c7dfb09f0 100644
--- a/resources/templates/vat/add_route.vat
+++ b/resources/templates/vat/add_route.vat
@@ -1 +1 @@
-ip_add_del_route {network}/{prefix_length} {via} {interface} {resolve_attempts} {count}
+ip_add_del_route {network}/{prefix_length} {via} {vrf} {interface} {resolve_attempts} {count}
diff --git a/resources/templates/vat/set_fib_to_interface.vat b/resources/templates/vat/set_fib_to_interface.vat
new file mode 100644
index 0000000000..f0850c900b
--- /dev/null
+++ b/resources/templates/vat/set_fib_to_interface.vat
@@ -0,0 +1 @@
+sw_interface_set_table sw_if_index {sw_index} vrf {vrf}
\ No newline at end of file
diff --git a/tests/suites/vrf/vrf_tests.robot b/tests/suites/vrf/vrf_tests.robot
new file mode 100644
index 0000000000..239900c1eb
--- /dev/null
+++ b/tests/suites/vrf/vrf_tests.robot
@@ -0,0 +1,392 @@
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/default.robot
+| Resource | resources/libraries/robot/ipv4.robot
+| Resource | resources/libraries/robot/ipv6.robot
+| Resource | resources/libraries/robot/interfaces.robot
+| Resource | resources/libraries/robot/testing_path.robot
+| Resource | resources/libraries/robot/traffic.robot
+| Resource | resources/libraries/robot/l2_traffic.robot
+| Library  | resources.libraries.python.Trace
+| Library  | resources.libraries.python.IPUtil
+| Force Tags | HW_ENV | VM_ENV | 3_NODE_DOUBLE_LINK_TOPO
+| Test Setup | Run Keywords | Setup all DUTs before test
+| ...        | AND          | Setup all TGs before traffic script
+| Test Teardown | Show Packet Trace on All DUTs | ${nodes}
+| Documentation | *Vpn routed forwarding - baseline*
+| ... | *[Top] Network Topologies:* TG=DUT1=DUT2=TG 3-node topology with two
+| ... | links in between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-ICMPv4 for L2 switching of
+| ... | IPv4.
+| ... | *[Cfg] DUT configuration:*Each DUT is configured with two VRF tables;
+| ... | Separation of traffic is tested by IP packets; Basic ARP and ROUTES are
+| ... | set on DUT nodes; IP addresses are set on DUT interfaces.
+| ... | *[Ver] TG verification:* Test ICMPv4 Echo Request packets
+| ... | are sent by TG on link to DUT1, DUT2 or back to TG; On receipt TG
+| ... | verifies packets for correctness and their IPv4 src-addr, dst-addr,
+| ... | and MAC addresses.
+| ... | *[Ref] Applicable standard specifications:*
+
+*** Variables ***
+| ${fib_table_1}= | 9
+| ${fib_table_2}= | 99
+
+| ${dut1_to_tg_ip1}= | 10.0.0.3
+| ${dut1_to_tg_ip2}= | 10.0.0.4
+| ${dut2_to_tg_ip1}= | 30.0.0.3
+| ${dut2_to_tg_ip2}= | 30.0.0.4
+
+| ${dut1_to_dut2_ip1}= | 20.0.0.1
+| ${dut1_to_dut2_ip2}= | 20.0.0.2
+| ${dut2_to_dut1_ip1}= | 20.0.0.3
+| ${dut2_to_dut1_ip2}= | 20.0.0.4
+
+| ${tg_dut1_ip1}= | 10.0.0.1
+| ${tg_dut1_ip2}= | 10.0.0.2
+| ${tg_dut2_ip1}= | 30.0.0.1
+| ${tg_dut2_ip2}= | 30.0.0.2
+
+| ${ip_prefix}= | 24
+
+*** Test Cases ***
+| TC01: TG packets routed to DUT ingress interface, VPP configured with two VRFs
+| | [Documentation]
+| | ... | [Top] TG=DUT1=DUT2=TG
+| | ... | [Enc] Eth-IPv4-ICMPv4.
+| | ... | [Cfg] DUT1 and DUT2 are both configured with two fib tables. Each
+| | ... | table is assigned to 2 interfaces to separate the traffic. Interfaces
+| | ... | are configured with IP addresses from *Variables*. On every ingress
+| | ... | and egress port on DUT is configured ARP and each DUT is configured
+| | ... | with one route.
+| | ... | [Ver] Packet is send from TG->DUT1-if1 to DUT1->TG-if1 and from
+| | ... | TG->DUT1-if2 to DUT1->TG-if2 and checked if arrived.
+| | Given Path for Double-Link 3-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']}
+| | ... | ${nodes['DUT2']} | ${nodes['TG']}
+| | And Interfaces in Double-Link 3-node path are UP
+| | When Setup Env - 2xVRF Each Node
+| | Then Node replies to ICMP echo request | ${tg_node}
+| | ... | ${tg_to_dut1_if1} | ${dut1_to_tg_if1_mac}
+| | ... | ${tg_to_dut1_if1_mac} | ${dut1_to_tg_ip1} | ${tg_dut1_ip1} | 5
+| | And Node replies to ICMP echo request | ${tg_node}
+| | ... | ${tg_to_dut1_if2} | ${dut1_to_tg_if2_mac}
+| | ... | ${tg_to_dut1_if2_mac} | ${dut1_to_tg_ip2} | ${tg_dut1_ip2} | 5
+
+| TC02: TG packets routed to DUT egress interface, VPP configured with two VRFs
+| | [Documentation]
+| | ... | [Top] TG=DUT1=DUT2=TG
+| | ... | [Enc] Eth-IPv4-ICMPv4.
+| | ... | [Cfg] DUT1 and DUT2 are both configured with two fib tables. Each
+| | ... | table is assigned to 2 interfaces to separate the traffic. Interfaces
+| | ... | are configured with IP addresses from *Variables*. On every ingress
+| | ... | and egress port on DUT is configured ARP and each DUT is configured
+| | ... | with one route.
+| | ... | [Ver] Packet is send from TG->DUT1-if1 to DUT1->DUT2-if1 and from
+| | ... | TG->DUT1-if2 to DUT1->DUT2-if2 and checked if arrived.
+| | Given Path for Double-Link 3-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']}
+| | ... | ${nodes['DUT2']} | ${nodes['TG']}
+| | And Interfaces in Double-Link 3-node path are UP
+| | When Setup Env - 2xVRF Each Node
+| | Then Node replies to ICMP echo request | ${tg_node} | ${tg_to_dut1_if1}
+| | ... | ${dut1_to_tg_if1_mac} | ${tg_to_dut1_if1_mac}
+| | ... | ${dut1_to_dut2_ip1} | ${tg_dut1_ip1} | 5
+| | And Node replies to ICMP echo request | ${tg_node} | ${tg_to_dut1_if2}
+| | ... | ${dut1_to_tg_if2_mac} | ${tg_to_dut1_if2_mac}
+| | ... | ${dut1_to_dut2_ip2} | ${tg_dut1_ip2} | 5
+
+| TC03: TG packets routed to DUT2 ingress interface through DUT1, VPP configured with two VRFs
+| | [Documentation]
+| | ... | [Top] TG=DUT1=DUT2=TG
+| | ... | [Enc] Eth-IPv4-ICMPv4.
+| | ... | [Cfg] DUT1 and DUT2 are both configured with two fib tables. Each
+| | ... | table is assigned to 2 interfaces to separate the traffic. Interfaces
+| | ... | are configured with IP addresses from *Variables*. On every ingress
+| | ... | and egress port on DUT is configured ARP and each DUT is configured
+| | ... | with one route.
+| | ... | [Ver] Packet is send from TG->DUT1-if1 to DUT2->DUT1-if1 and from
+| | ... | TG->DUT1-if2 to DUT2->DUT1-if2 and checked if arrived.
+| | Given Path for Double-Link 3-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']}
+| | ... | ${nodes['DUT2']} | ${nodes['TG']}
+| | And Interfaces in Double-Link 3-node path are UP
+| | When Setup Env - 2xVRF Each Node
+| | Then Node replies to ICMP echo request | ${tg_node} | ${tg_to_dut1_if1}
+| | ... | ${dut1_to_tg_if1_mac} | ${tg_to_dut1_if1_mac}
+| | ... | ${dut2_to_dut1_ip1} | ${tg_dut1_ip1} | 5
+| | And Node replies to ICMP echo request | ${tg_node} | ${tg_to_dut1_if2}
+| | ... | ${dut1_to_tg_if2_mac} | ${tg_to_dut1_if2_mac}
+| | ... | ${dut2_to_dut1_ip2} | ${tg_dut1_ip2} | 5
+
+| TC04: TG packets routed to DUT2 egress interface through DUT1, VPP configured with two VRFs
+| | [Documentation]
+| | ... | [Top] TG=DUT1=DUT2=TG
+| | ... | [Enc] Eth-IPv4-ICMPv4.
+| | ... | [Cfg] DUT1 and DUT2 are both configured with two fib tables. Each
+| | ... | table is assigned to 2 interfaces to separate the traffic. Interfaces
+| | ... | are configured with IP addresses from *Variables*. On every ingress
+| | ... | and egress port on DUT is configured ARP and each DUT is configured
+| | ... | with one route.
+| | ... | [Ver] Packet is send from TG->DUT1-if1 to DUT2->TG-if1 and from
+| | ... | TG->DUT1-if2 to DUT2->TG-if2 and checked if arrived.
+| | Given Path for Double-Link 3-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']}
+| | ... | ${nodes['DUT2']} | ${nodes['TG']}
+| | And Interfaces in Double-Link 3-node path are UP
+| | When Setup Env - 2xVRF Each Node
+| | Then Node replies to ICMP echo request | ${tg_node} | ${tg_to_dut1_if1}
+| | ... | ${dut1_to_tg_if1_mac} | ${tg_to_dut1_if1_mac}
+| | ... | ${dut2_to_tg_ip1} | ${tg_dut1_ip1} | 5
+| | And Node replies to ICMP echo request | ${tg_node} | ${tg_to_dut1_if2}
+| | ... | ${dut1_to_tg_if2_mac} | ${tg_to_dut1_if2_mac}
+| | ... | ${dut2_to_tg_ip2} | ${tg_dut1_ip2} | 5
+
+| TC05: TG packets routed to TG through DUT1 and DUT2, VPP configured with two VRFs
+| | [Documentation]
+| | ... | [Top] TG=DUT1=DUT2=TG
+| | ... | [Enc] Eth-IPv4-ICMPv4.
+| | ... | [Cfg] DUT1 and DUT2 are both configured with two fib tables. Each
+| | ... | table is assigned to 2 interfaces to separate the traffic. Interfaces
+| | ... | are configured with IP addresses from *Variables*. On every ingress
+| | ... | and egress port on DUT is configured ARP and each DUT is configured
+| | ... | with one route.
+| | ... | [Ver] Packet is send from TG->DUT1-if1 to TG->DUT2-if1 and from
+| | ... | TG->DUT1-if2 to TG->DUT2-if2 and checked if arrived.
+| | Given Path for Double-Link 3-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']}
+| | ... | ${nodes['DUT2']} | ${nodes['TG']}
+| | And Interfaces in Double-Link 3-node path are UP
+| | When Setup Env - 2xVRF Each Node
+| | Then Send Packet And Check Headers | ${tg_node} | ${tg_dut1_ip1}
+| | ... | ${tg_dut2_ip1} | ${tg_to_dut1_if1} | ${tg_to_dut1_if1_mac}
+| | ... | ${dut1_to_tg_if1_mac} | ${tg_to_dut2_if1} | ${dut2_to_tg_if1_mac}
+| | ... | ${tg_to_dut2_if1_mac}
+| | And Send Packet And Check Headers | ${tg_node}
+| | ... | ${tg_dut1_ip2} | ${tg_dut2_ip2} | ${tg_to_dut1_if2}
+| | ... | ${tg_to_dut1_if2_mac} | ${dut1_to_tg_if2_mac} | ${tg_to_dut2_if2}
+| | ... | ${dut2_to_tg_if2_mac} | ${tg_to_dut2_if2_mac}
+
+| TC06: TG packets not routed to DUT ingress interface in different VRF, VPP configured with two VRFs
+| | [Documentation]
+| | ... | [Top] TG=DUT1=DUT2=TG
+| | ... | [Enc] Eth-IPv4-ICMPv4.
+| | ... | [Cfg] DUT1 and DUT2 are both configured with two fib tables. Each
+| | ... | table is assigned to 2 interfaces to separate the traffic. Interfaces
+| | ... | are configured with IP addresses from *Variables*. On every ingress
+| | ... | and egress port on DUT is configured ARP and each DUT is configured
+| | ... | with one route.
+| | ... | [Ver] Packet is send from TG->DUT1-if1 to DUT1->TG-if2 where it
+| | ... | should not arrive.
+| | [Tags] | SKIP_PATCH
+| | Given Path for Double-Link 3-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']}
+| | ... | ${nodes['DUT2']} | ${nodes['TG']}
+| | And Interfaces in Double-Link 3-node path are UP
+| | When Setup Env - 2xVRF Each Node
+| | Then Run Keyword And Expect Error | ICMP echo Rx timeout
+| | ... | Node replies to ICMP echo request
+| | ... | ${tg_node} | ${tg_to_dut1_if1}
+| | ... | ${dut1_to_tg_if1_mac} | ${tg_to_dut1_if1_mac}
+| | ... | ${dut1_to_tg_ip2} | ${tg_dut1_ip1} | 5
+
+| TC07: TG packets not routed to DUT egress interface in different VRF, VPP configured with two VRFs
+| | [Documentation]
+| | ... | [Top] TG=DUT1=DUT2=TG
+| | ... | [Enc] Eth-IPv4-ICMPv4.
+| | ... | [Cfg] DUT1 and DUT2 are both configured with two fib tables. Each
+| | ... | table is assigned to 2 interfaces to separate the traffic. Interfaces
+| | ... | are configured with IP addresses from *Variables*. On every ingress
+| | ... | and egress port on DUT is configured ARP and each DUT is configured
+| | ... | with one route.
+| | ... | [Ver] Packet is send from TG->DUT1-if1 to DUT1->DUT2-if2 where it
+| | ... | should not arrive.
+| | [Tags] | SKIP_PATCH
+| | Given Path for Double-Link 3-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']}
+| | ... | ${nodes['DUT2']} | ${nodes['TG']}
+| | And Interfaces in Double-Link 3-node path are UP
+| | When Setup Env - 2xVRF Each Node
+| | Then Run Keyword And Expect Error | ICMP echo Rx timeout
+| | ... | Node replies to ICMP echo request
+| | ... | ${tg_node} | ${tg_to_dut1_if1}
+| | ... | ${dut1_to_tg_if1_mac} | ${tg_to_dut1_if1_mac}
+| | ... | ${dut1_to_dut2_ip2} | ${tg_dut1_ip1} | 5
+
+| TC08: TG packets not routed to DUT2 ingress interface in different VRF through DUT1, VPP configured with two VRFs
+| | [Documentation]
+| | ... | [Top] TG=DUT1=DUT2=TG
+| | ... | [Enc] Eth-IPv4-ICMPv4.
+| | ... | [Cfg] DUT1 and DUT2 are both configured with two fib tables. Each
+| | ... | table is assigned to 2 interfaces to separate the traffic. Interfaces
+| | ... | are configured with IP addresses from *Variables*. On every ingress
+| | ... | and egress port on DUT is configured ARP and each DUT is configured
+| | ... | with one route.
+| | ... | [Ver] Packet is send from TG->DUT1-if1 to DUT2->DUT1-if2 where it
+| | ... | should not arrive.
+| | [Tags] | SKIP_PATCH
+| | Given Path for Double-Link 3-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']}
+| | ... | ${nodes['DUT2']} | ${nodes['TG']}
+| | And Interfaces in Double-Link 3-node path are UP
+| | When Setup Env - 2xVRF Each Node
+| | Then Run Keyword And Expect Error | ICMP echo Rx timeout
+| | ... | Node replies to ICMP echo request
+| | ... | ${tg_node} | ${tg_to_dut1_if1}
+| | ... | ${dut1_to_tg_if1_mac} | ${tg_to_dut1_if1_mac}
+| | ... | ${dut2_to_dut1_ip2} | ${tg_dut1_ip1} | 5
+
+| TC09: TG packets not routed to DUT2 egress interface in different VRF through DUT1, VPP configured with two VRFs
+| | [Documentation]
+| | ... | [Top] TG=DUT1=DUT2=TG
+| | ... | [Enc] Eth-IPv4-ICMPv4.
+| | ... | [Cfg] DUT1 and DUT2 are both configured with two fib tables. Each
+| | ... | table is assigned to 2 interfaces to separate the traffic. Interfaces
+| | ... | are configured with IP addresses from *Variables*. On every ingress
+| | ... | and egress port on DUT is configured ARP and each DUT is configured
+| | ... | with one route.
+| | ... | [Ver] Packet is send from TG->DUT1-if1 to DUT2->TG-if2 where it
+| | ... | should not arrive.
+| | [Tags] | SKIP_PATCH
+| | Given Path for Double-Link 3-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']}
+| | ... | ${nodes['DUT2']} | ${nodes['TG']}
+| | And Interfaces in Double-Link 3-node path are UP
+| | When Setup Env - 2xVRF Each Node
+| | Then Run Keyword And Expect Error | ICMP echo Rx timeout
+| | ... | Node replies to ICMP echo request
+| | ... | ${tg_node} | ${tg_to_dut1_if1}
+| | ... | ${dut1_to_tg_if1_mac} | ${tg_to_dut1_if1_mac}
+| | ... | ${dut2_to_tg_ip2} | ${tg_dut1_ip1} | 5
+
+| TC10: TG packets not routed to TG in different VRF through DUT1 and DUT2, VPP configured with two VRFs
+| | [Documentation]
+| | ... | [Top] TG=DUT1=DUT2=TG.
+| | ... | [Enc] Eth-IPv4-ICMPv4.
+| | ... | [Cfg] DUT1 and DUT2 are both configured with two fib tables. Each
+| | ... | table is assigned to 2 interfaces to separate the traffic. Interfaces
+| | ... | are configured with IP addresses from *Variables*. On every ingress
+| | ... | and egress port on DUT is configured ARP and each DUT is configured
+| | ... | with one route.
+| | ... | [Ver] Packet is send from TG->DUT1-if1 to TG->DUT2-if2 where it
+| | ... | should not arrive.
+| | [Tags] | SKIP_PATCH
+| | Given Path for Double-Link 3-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']}
+| | ... | ${nodes['DUT2']} | ${nodes['TG']}
+| | And Interfaces in Double-Link 3-node path are UP
+| | When Setup Env - 2xVRF Each Node
+| | Then Run Keyword And Expect Error | ICMP echo Rx timeout
+| | ... | Send Packet And Check Headers | ${tg_node} | ${tg_dut1_ip1}
+| | ... | ${tg_dut2_ip2} | ${tg_to_dut1_if1}
+| | ... | ${tg_to_dut1_if1_mac} | ${dut1_to_tg_if1_mac} | ${tg_to_dut2_if2}
+| | ... | ${dut2_to_tg_if2_mac} | ${tg_to_dut2_if2_mac}
+
+*** Keywords ***
+| Setup Env - 2xVRF Each Node
+| | [Documentation]
+| | ... | Environment is set up with 2 fib tables on each DUT. DUT1-TG-IF1 and \
+| | ... | DUT1-DUT2-IF1 are assigned to FIB1, and DUT1-TG-IF2 and DUT1-DUT2-IF2
+| | ... | are assigned to FIB2 (the some done on DUT2, just opposite). IP
+| | ... | addresses are subsequently set on interfaces, and ARP is set for
+| | ... | neighbors. The last setting is route for each fib table.
+| | ...
+| | ${dut1_if1_idx}= | Get Interface SW Index
+| | ... | ${dut1_node} | ${dut1_to_dut2_if1}
+| | ${dut1_if2_idx}= | Get Interface SW Index
+| | ... | ${dut1_node} | ${dut1_to_dut2_if2}
+| | ${dut2_if1_idx}= | Get Interface SW Index
+| | ... | ${dut2_node} | ${dut2_to_dut1_if1}
+| | ${dut2_if2_idx}= | Get Interface SW Index
+| | ... | ${dut2_node} | ${dut2_to_dut1_if2}
+| | And Add fib table | ${dut1_node}
+| | ... | ${tg_dut2_ip1} | ${ip_prefix} | ${fib_table_1}
+| | ... | via ${dut2_to_dut1_ip1} sw_if_index ${dut1_if1_idx} multipath
+| | And Add fib table | ${dut1_node}
+| | ... | ${tg_dut2_ip2} | ${ip_prefix} | ${fib_table_2}
+| | ... | via ${dut1_to_dut2_ip2} sw_if_index ${dut1_if2_idx} multipath
+| | And Add fib table | ${dut2_node}
+| | ... | ${tg_dut1_ip1} | ${ip_prefix} | ${fib_table_1}
+| | ... | via ${dut2_to_dut1_ip1} sw_if_index ${dut2_if1_idx} multipath
+| | And Add fib table | ${dut2_node}
+| | ... | ${tg_dut1_ip2} | ${ip_prefix} | ${fib_table_2}
+| | ... | via ${dut2_to_dut1_ip2} sw_if_index ${dut2_if2_idx} multipath
+
+| | Assign Interface To Fib Table
+| | ... | ${dut1_node} | ${dut1_to_dut2_if1} | ${fib_table_1}
+| | Assign Interface To Fib Table
+| | ... | ${dut1_node} | ${dut1_to_dut2_if2} | ${fib_table_2}
+| | Assign Interface To Fib Table
+| | ... | ${dut1_node} | ${dut1_to_tg_if1} | ${fib_table_1}
+| | Assign Interface To Fib Table
+| | ... | ${dut1_node} | ${dut1_to_tg_if2} | ${fib_table_2}
+
+| | Assign Interface To Fib Table
+| | ... | ${dut2_node} | ${dut2_to_dut1_if1} | ${fib_table_1}
+| | Assign Interface To Fib Table
+| | ... | ${dut2_node} | ${dut2_to_dut1_if2} | ${fib_table_2}
+| | Assign Interface To Fib Table
+| | ... | ${dut2_node} | ${dut2_to_tg_if1} | ${fib_table_1}
+| | Assign Interface To Fib Table
+| | ... | ${dut2_node} | ${dut2_to_tg_if2} | ${fib_table_2}
+
+| | And Set Interface Address
+| | ... | ${dut1_node} | ${dut1_to_tg_if1} | ${dut1_to_tg_ip1} | ${ip_prefix}
+| | And Set Interface Address
+| | ... | ${dut1_node} | ${dut1_to_tg_if2} | ${dut1_to_tg_ip2} | ${ip_prefix}
+| | And Set Interface Address
+| | ... | ${dut1_node} | ${dut1_to_dut2_if1}
+| | ... | ${dut1_to_dut2_ip1} | ${ip_prefix}
+| | And Set Interface Address
+| | ... | ${dut1_node} | ${dut1_to_dut2_if2}
+| | ... | ${dut1_to_dut2_ip2} | ${ip_prefix}
+
+| | And Set Interface Address
+| | ... | ${dut2_node} | ${dut2_to_tg_if1} | ${dut2_to_tg_ip1} | ${ip_prefix}
+| | And Set Interface Address
+| | ... | ${dut2_node} | ${dut2_to_tg_if2} | ${dut2_to_tg_ip2} | ${ip_prefix}
+| | And Set Interface Address
+| | ... | ${dut2_node} | ${dut2_to_dut1_if1}
+| | ... | ${dut2_to_dut1_ip1} | ${ip_prefix}
+| | And Set Interface Address
+| | ... | ${dut2_node} | ${dut2_to_dut1_if2}
+| | ... | ${dut2_to_dut1_ip2} | ${ip_prefix}
+
+| | And Add Arp On Dut | ${dut1_node} | ${dut1_to_tg_if1}
+| | ... | ${tg_dut1_ip1} | ${tg_to_dut1_if1_mac} | vrf=${fib_table_1}
+| | And Add Arp On Dut | ${dut1_node} | ${dut1_to_dut2_if1}
+| | ... | ${dut2_to_dut1_ip1} | ${dut2_to_dut1_if1_mac} | vrf=${fib_table_1}
+| | And Add Arp On Dut | ${dut2_node} | ${dut2_to_tg_if1}
+| | ... | ${tg_dut2_ip1} | ${tg_to_dut2_if1_mac} | vrf=${fib_table_1}
+| | And Add Arp On Dut | ${dut2_node} | ${dut2_to_dut1_if1}
+| | ... | ${dut1_to_dut2_ip1} | ${dut1_to_dut2_if1_mac} | vrf=${fib_table_1}
+
+| | And Add Arp On Dut | ${dut1_node} | ${dut1_to_tg_if2}
+| | ... | ${tg_dut1_ip2} | ${tg_to_dut1_if2_mac} | vrf=${fib_table_2}
+| | And Add Arp On Dut | ${dut1_node} | ${dut1_to_dut2_if2}
+| | ... | ${dut2_to_dut1_ip2} | ${dut2_to_dut1_if2_mac} | vrf=${fib_table_2}
+| | And Add Arp On Dut | ${dut2_node} | ${dut2_to_tg_if2}
+| | ... | ${tg_dut2_ip2} | ${tg_to_dut2_if2_mac} | vrf=${fib_table_2}
+| | And Add Arp On Dut | ${dut2_node} | ${dut2_to_dut1_if2}
+| | ... | ${dut1_to_dut2_ip2} | ${dut1_to_dut2_if2_mac} | vrf=${fib_table_2}
+
+| | And Vpp Route Add | ${dut1_node} | ${tg_dut2_ip1} | ${ip_prefix}
+| | ... | ${dut2_to_dut1_ip1} | ${dut1_to_dut2_if1} | vrf=${fib_table_1}
+| | And Vpp Route Add | ${dut2_node} | ${tg_dut1_ip1} | ${ip_prefix}
+| | ... | ${dut1_to_dut2_ip1} | ${dut2_to_dut1_if1} | vrf=${fib_table_1}
+
+| | And Vpp Route Add | ${dut1_node} | ${tg_dut2_ip2} | ${ip_prefix}
+| | ... | ${dut2_to_dut1_ip2} | ${dut1_to_dut2_if2} | vrf=${fib_table_2}
+| | And Vpp Route Add | ${dut2_node} | ${tg_dut1_ip2} | ${ip_prefix}
+| | ... | ${dut1_to_dut2_ip2} | ${dut2_to_dut1_if2} | vrf=${fib_table_2}