Infra: Switch csit-shim to fdiotools

+ use /u/fdiotools
+ use ubuntu 20.04

Signed-off-by: pmikus <pmikus@cisco.com>
Change-Id: I091e63a0d9e50de203b1527c7500b3864a616af6

3 files changed, 730 insertions, 0 deletions

diff --git a/fdio.infra.terraform/3n_azure_fsv2/.gitignore b/fdio.infra.terraform/3n_azure_fsv2/.gitignore
new file mode 100644
index 0000000000..fc64f0039f
--- /dev/null
+++ b/fdio.infra.terraform/3n_azure_fsv2/.gitignore
@@ -0,0 +1,4 @@
+.terraform/
+.terraform.tfstate.lock.info
+terraform.tfstate
+terraform.tfstate.backup
diff --git a/fdio.infra.terraform/3n_azure_fsv2/main.tf b/fdio.infra.terraform/3n_azure_fsv2/main.tf
new file mode 100644
index 0000000000..87d02aa923
--- /dev/null
+++ b/fdio.infra.terraform/3n_azure_fsv2/main.tf
@@ -0,0 +1,593 @@
+provider "azurerm" {
+  version = ">= 1.4.0"
+}
+
+# Variables
+
+variable "vpc_addr_space_a" {
+  type = string
+  default = "172.16.0.0/16"
+}
+
+variable "vpc_cidr_a" {
+  type = string
+  default = "172.16.0.0/24"
+}
+
+variable "vpc_cidr_b" {
+  type = string
+  default = "172.16.10.0/24"
+}
+
+variable "vpc_cidr_c" {
+  type = string
+  default = "172.16.200.0/24"
+}
+
+variable "vpc_cidr_d" {
+  type = string
+  default = "172.16.20.0/24"
+}
+
+variable "trex_dummy_cidr_port_0" {
+  type = string
+  default = "172.16.11.0/24"
+}
+
+variable "trex_dummy_cidr_port_1" {
+  type = string
+  default = "172.16.21.0/24"
+}
+
+# Create resource group and resources
+
+resource "azurerm_resource_group" "CSIT" {
+  name     = "CSIT"
+  #location = "East US"
+  location = "UK South"
+}
+
+resource "azurerm_virtual_network" "CSIT" {
+  name                = "CSIT-network"
+  resource_group_name = azurerm_resource_group.CSIT.name
+  location            = azurerm_resource_group.CSIT.location
+  address_space       = [ var.vpc_addr_space_a ]
+  depends_on          = [ azurerm_resource_group.CSIT ]
+}
+
+resource "azurerm_subnet" "a" {
+  name                 = "subnet_a"
+  resource_group_name  = azurerm_resource_group.CSIT.name
+  virtual_network_name = azurerm_virtual_network.CSIT.name
+  address_prefix       = var.vpc_cidr_a
+  depends_on           = [ azurerm_resource_group.CSIT ]
+}
+
+resource "azurerm_subnet" "b" {
+  name                 = "subnet_b"
+  resource_group_name  = azurerm_resource_group.CSIT.name
+  virtual_network_name = azurerm_virtual_network.CSIT.name
+  address_prefix       = var.vpc_cidr_b
+  depends_on           = [ azurerm_resource_group.CSIT ]
+}
+
+resource "azurerm_subnet" "c" {
+  name                 = "subnet_c"
+  resource_group_name  = azurerm_resource_group.CSIT.name
+  virtual_network_name = azurerm_virtual_network.CSIT.name
+  address_prefix       = var.vpc_cidr_c
+  depends_on           = [ azurerm_resource_group.CSIT ]
+}
+
+resource "azurerm_subnet" "d" {
+  name                 = "subnet_d"
+  resource_group_name  = azurerm_resource_group.CSIT.name
+  virtual_network_name = azurerm_virtual_network.CSIT.name
+  address_prefix       = var.vpc_cidr_d
+  depends_on           = [ azurerm_resource_group.CSIT ]
+}
+
+# Create a security group of the Kiknos instances
+
+resource "azurerm_network_security_group" "CSIT" {
+  name                = "CSIT"
+  resource_group_name = azurerm_resource_group.CSIT.name
+  location            = azurerm_resource_group.CSIT.location
+  security_rule {
+    name                       = "IpSec"
+    priority                   = 100
+    direction                  = "Inbound"
+    access                     = "Allow"
+    protocol                   = "Udp"
+    source_port_range          = "*"
+    destination_port_range     = "500"
+    source_address_prefix      = "*"
+    destination_address_prefix = "*"
+  }
+  security_rule {
+    name                       = "IpSec-NAT"
+    priority                   = 101
+    direction                  = "Inbound"
+    access                     = "Allow"
+    protocol                   = "Udp"
+    source_port_range          = "*"
+    destination_port_range     = "4500"
+    source_address_prefix      = "*"
+    destination_address_prefix = "*"
+  }
+  security_rule {
+    name                       = "SSH"
+    priority                   = 102
+    direction                  = "Inbound"
+    access                     = "Allow"
+    protocol                   = "Tcp"
+    source_port_range          = "*"
+    destination_port_range     = "22"
+    source_address_prefix      = "*"
+    destination_address_prefix = "*"
+  }
+  security_rule {
+    name                       = "InboundAll"
+    priority                   = 103
+    direction                  = "Inbound"
+    access                     = "Allow"
+    protocol                   = "*"
+    source_port_range          = "*"
+    destination_port_range     = "*"
+    source_address_prefix      = "*"
+    destination_address_prefix = "*"
+  }
+  security_rule {
+    name                       = "Outbound"
+    priority                   = 104
+    direction                  = "Outbound"
+    access                     = "Allow"
+    protocol                   = "*"
+    source_port_range          = "*"
+    destination_port_range     = "*"
+    source_address_prefix      = "*"
+    destination_address_prefix = "*"
+  }
+  depends_on = [azurerm_virtual_network.CSIT]
+}
+
+# Create public IPs
+
+resource "azurerm_public_ip" "tg_public_ip" {
+    name                         = "tg_public_ip"
+    location                     = azurerm_resource_group.CSIT.location
+    resource_group_name          = azurerm_resource_group.CSIT.name
+    allocation_method            = "Dynamic"
+    depends_on                   = [ azurerm_resource_group.CSIT ]
+}
+
+resource "azurerm_public_ip" "dut1_public_ip" {
+    name                         = "dut1_public_ip"
+    location                     = azurerm_resource_group.CSIT.location
+    resource_group_name          = azurerm_resource_group.CSIT.name
+    allocation_method            = "Dynamic"
+    depends_on                   = [ azurerm_resource_group.CSIT ]
+}
+
+resource "azurerm_public_ip" "dut2_public_ip" {
+    name                         = "dut2_public_ip"
+    location                     = azurerm_resource_group.CSIT.location
+    resource_group_name          = azurerm_resource_group.CSIT.name
+    allocation_method            = "Dynamic"
+    depends_on                   = [ azurerm_resource_group.CSIT ]
+}
+
+# Create network interface
+
+resource "azurerm_network_interface" "tg_mng" {
+    name                      = "tg_mng"
+    location                  = azurerm_resource_group.CSIT.location
+    resource_group_name       = azurerm_resource_group.CSIT.name
+    network_security_group_id = azurerm_network_security_group.CSIT.id
+    ip_configuration {
+        primary                       = "true"
+        name                          = "tg_mng_ip"
+        subnet_id                     = azurerm_subnet.a.id
+        private_ip_address_allocation = "Static"
+        private_ip_address            = "172.16.0.10"
+        public_ip_address_id          = azurerm_public_ip.tg_public_ip.id
+    }
+    depends_on                = [ azurerm_resource_group.CSIT,
+                                  azurerm_subnet.a,
+                                  azurerm_public_ip.tg_public_ip ]
+}
+
+resource "azurerm_network_interface" "dut1_mng" {
+    name                      = "dut1_mng"
+    location                  = azurerm_resource_group.CSIT.location
+    resource_group_name       = azurerm_resource_group.CSIT.name
+    network_security_group_id = azurerm_network_security_group.CSIT.id
+    ip_configuration {
+        primary                       = "true"
+        name                          = "dut1_mng_ip"
+        subnet_id                     = azurerm_subnet.a.id
+        private_ip_address_allocation = "Static"
+        private_ip_address            = "172.16.0.11"
+        public_ip_address_id          = azurerm_public_ip.dut1_public_ip.id
+    }
+    depends_on                = [ azurerm_resource_group.CSIT,
+                                  azurerm_subnet.a,
+                                  azurerm_public_ip.dut1_public_ip ]
+}
+
+resource "azurerm_network_interface" "dut2_mng" {
+    name                      = "dut2_mng"
+    location                  = azurerm_resource_group.CSIT.location
+    resource_group_name       = azurerm_resource_group.CSIT.name
+    network_security_group_id = azurerm_network_security_group.CSIT.id
+    ip_configuration {
+        primary                       = "true"
+        name                          = "dut2_mng_ip"
+        subnet_id                     = azurerm_subnet.a.id
+        private_ip_address_allocation = "Static"
+        private_ip_address            = "172.16.0.12"
+        public_ip_address_id          = azurerm_public_ip.dut2_public_ip.id
+    }
+    depends_on                = [ azurerm_resource_group.CSIT,
+                                  azurerm_subnet.a,
+                                  azurerm_public_ip.dut2_public_ip ]
+}
+
+resource "azurerm_route_table" "b" {
+  name                          = "b"
+  location                      = azurerm_resource_group.CSIT.location
+  resource_group_name           = azurerm_resource_group.CSIT.name
+  depends_on                    = [ azurerm_resource_group.CSIT,
+                                    azurerm_subnet.b ]
+  disable_bgp_route_propagation = false
+  route {
+    name                    = "route-10"
+    address_prefix          = var.trex_dummy_cidr_port_0
+    next_hop_type           = "VirtualAppliance"
+    next_hop_in_ip_address  = data.azurerm_network_interface.tg_if1.private_ip_address
+  }
+  route {
+    name                    = "route-20"
+    address_prefix          = var.trex_dummy_cidr_port_1
+    next_hop_type           = "VirtualAppliance"
+    next_hop_in_ip_address  = data.azurerm_network_interface.dut1_if1.private_ip_address
+  }
+  route {
+    name                    = "tg2"
+    address_prefix          = var.vpc_cidr_d
+    next_hop_type           = "VirtualAppliance"
+    next_hop_in_ip_address  = data.azurerm_network_interface.dut1_if1.private_ip_address
+  }
+}
+
+resource "azurerm_route_table" "c" {
+  name                          = "c"
+  location                      = azurerm_resource_group.CSIT.location
+  resource_group_name           = azurerm_resource_group.CSIT.name
+  depends_on                    = [ azurerm_resource_group.CSIT,
+                                    azurerm_subnet.c ]
+  disable_bgp_route_propagation = false
+  route {
+    name                    = "route-10"
+    address_prefix          = var.trex_dummy_cidr_port_0
+    next_hop_type           = "VirtualAppliance"
+    next_hop_in_ip_address  = data.azurerm_network_interface.dut1_if2.private_ip_address
+  }
+  route {
+    name                    = "route-100"
+    address_prefix          = "100.0.0.0/8"
+    next_hop_type           = "VirtualAppliance"
+    next_hop_in_ip_address  = data.azurerm_network_interface.dut1_if2.private_ip_address
+  }
+  route {
+    name                    = "route-20"
+    address_prefix          = var.trex_dummy_cidr_port_1
+    next_hop_type           = "VirtualAppliance"
+    next_hop_in_ip_address  = data.azurerm_network_interface.dut2_if1.private_ip_address
+  }
+  route {
+    name                    = "tg1"
+    address_prefix          = var.vpc_cidr_b
+    next_hop_type           = "VirtualAppliance"
+    next_hop_in_ip_address  = data.azurerm_network_interface.dut1_if2.private_ip_address
+  }
+  route {
+    name                    = "tg2"
+    address_prefix          = var.vpc_cidr_d
+    next_hop_type           = "VirtualAppliance"
+    next_hop_in_ip_address  = data.azurerm_network_interface.dut2_if1.private_ip_address
+  }
+}
+
+resource "azurerm_route_table" "d" {
+  name                          = "d"
+  location                      = azurerm_resource_group.CSIT.location
+  resource_group_name           = azurerm_resource_group.CSIT.name
+  depends_on                    = [ azurerm_resource_group.CSIT,
+                                    azurerm_subnet.d ]
+  disable_bgp_route_propagation = false
+  route {
+    name                    = "route-10"
+    address_prefix          = var.trex_dummy_cidr_port_0
+    next_hop_type           = "VirtualAppliance"
+    next_hop_in_ip_address  = data.azurerm_network_interface.dut2_if2.private_ip_address
+  }
+  route {
+    name                    = "route-20"
+    address_prefix          = var.trex_dummy_cidr_port_1
+    next_hop_type           = "VirtualAppliance"
+    next_hop_in_ip_address  = data.azurerm_network_interface.tg_if2.private_ip_address
+  }
+  route {
+    name                    = "tg1"
+    address_prefix          = var.vpc_cidr_b
+    next_hop_type           = "VirtualAppliance"
+    next_hop_in_ip_address  = data.azurerm_network_interface.dut2_if2.private_ip_address
+  }
+}
+
+resource "azurerm_subnet_route_table_association" "b" {
+  subnet_id      = azurerm_subnet.b.id
+  route_table_id = azurerm_route_table.b.id
+}
+
+resource "azurerm_subnet_route_table_association" "c" {
+  subnet_id      = azurerm_subnet.c.id
+  route_table_id = azurerm_route_table.c.id
+}
+
+resource "azurerm_subnet_route_table_association" "d" {
+  subnet_id      = azurerm_subnet.d.id
+  route_table_id = azurerm_route_table.d.id
+}
+
+resource "azurerm_virtual_machine" "tg" {
+    name                             = "tg"
+    location                         = azurerm_resource_group.CSIT.location
+    resource_group_name              = azurerm_resource_group.CSIT.name
+    primary_network_interface_id     = azurerm_network_interface.tg_mng.id
+    network_interface_ids            = [ azurerm_network_interface.tg_mng.id,
+                                         azurerm_network_interface.tg_if1.id,
+                                         azurerm_network_interface.tg_if2.id ]
+    vm_size                          = "Standard_F32s_v2"
+    delete_os_disk_on_termination    = true
+    delete_data_disks_on_termination = true
+    storage_os_disk {
+        name              = "OsDiskTG"
+        caching           = "ReadWrite"
+        create_option     = "FromImage"
+        managed_disk_type = "StandardSSD_LRS"
+    }
+    storage_image_reference {
+        publisher = "Canonical"
+        offer     = "UbuntuServer"
+        sku       = "18.04-LTS"
+        version   = "latest"
+    }
+    os_profile {
+        computer_name  = "tg"
+        admin_username = "ubuntu"
+    }
+    os_profile_linux_config {
+        disable_password_authentication = true
+        ssh_keys {
+            path     = "/home/ubuntu/.ssh/authorized_keys"
+            key_data = file("~/.ssh/id_rsa.pub")
+        }
+    }
+    depends_on          = [ azurerm_resource_group.CSIT,
+                            azurerm_network_interface.tg_mng ]
+}
+
+resource "azurerm_virtual_machine" "dut1" {
+    name                             = "dut1"
+    location                         = azurerm_resource_group.CSIT.location
+    resource_group_name              = azurerm_resource_group.CSIT.name
+    primary_network_interface_id     = azurerm_network_interface.dut1_mng.id
+    network_interface_ids            = [ azurerm_network_interface.dut1_mng.id,
+                                         azurerm_network_interface.dut1_if1.id,
+                                         azurerm_network_interface.dut1_if2.id ]
+    vm_size                          = "Standard_F32s_v2"
+    delete_os_disk_on_termination    = true
+    delete_data_disks_on_termination = true
+    storage_os_disk {
+        name              = "OsDiskDUT1"
+        caching           = "ReadWrite"
+        create_option     = "FromImage"
+        managed_disk_type = "StandardSSD_LRS"
+    }
+    storage_image_reference {
+        publisher = "Canonical"
+        offer     = "UbuntuServer"
+        sku       = "18.04-LTS"
+        version   = "latest"
+    }
+    os_profile {
+        computer_name  = "dut1"
+        admin_username = "ubuntu"
+    }
+    os_profile_linux_config {
+        disable_password_authentication = true
+        ssh_keys {
+            path     = "/home/ubuntu/.ssh/authorized_keys"
+            key_data = file("~/.ssh/id_rsa.pub")
+        }
+    }
+    depends_on          = [ azurerm_resource_group.CSIT,
+                            azurerm_network_interface.dut1_mng ]
+}
+
+resource "azurerm_virtual_machine" "dut2" {
+    name                             = "dut2"
+    location                         = azurerm_resource_group.CSIT.location
+    resource_group_name              = azurerm_resource_group.CSIT.name
+    primary_network_interface_id     = azurerm_network_interface.dut2_mng.id
+    network_interface_ids            = [ azurerm_network_interface.dut2_mng.id,
+                                         azurerm_network_interface.dut2_if1.id,
+                                         azurerm_network_interface.dut2_if2.id ]
+    vm_size                          = "Standard_F32s_v2"
+    delete_os_disk_on_termination    = true
+    delete_data_disks_on_termination = true
+    storage_os_disk {
+        name              = "OsDiskDUT2"
+        caching           = "ReadWrite"
+        create_option     = "FromImage"
+        managed_disk_type = "StandardSSD_LRS"
+    }
+    storage_image_reference {
+        publisher = "Canonical"
+        offer     = "UbuntuServer"
+        sku       = "18.04-LTS"
+        version   = "latest"
+    }
+    os_profile {
+        computer_name  = "dut2"
+        admin_username = "ubuntu"
+    }
+    os_profile_linux_config {
+        disable_password_authentication = true
+        ssh_keys {
+            path     = "/home/ubuntu/.ssh/authorized_keys"
+            key_data = file("~/.ssh/id_rsa.pub")
+        }
+    }
+    depends_on          = [ azurerm_resource_group.CSIT,
+                            azurerm_network_interface.dut2_mng ]
+}
+
+data "azurerm_public_ip" "tg_public_ip" {
+  name                = "tg_public_ip"
+  resource_group_name = azurerm_resource_group.CSIT.name
+  depends_on          = [ azurerm_virtual_machine.tg ]
+}
+
+data "azurerm_public_ip" "dut1_public_ip" {
+  name                = "dut1_public_ip"
+  resource_group_name = azurerm_resource_group.CSIT.name
+  depends_on          = [ azurerm_virtual_machine.dut1 ]
+}
+
+data "azurerm_public_ip" "dut2_public_ip" {
+  name                = "dut2_public_ip"
+  resource_group_name = azurerm_resource_group.CSIT.name
+  depends_on          = [ azurerm_virtual_machine.dut2 ]
+}
+
+# Provisioning
+
+resource "null_resource" "deploy_tg" {
+  depends_on = [ azurerm_virtual_machine.tg,
+                 azurerm_network_interface.tg_if1,
+                 azurerm_network_interface.tg_if2 ]
+  connection {
+    user = "ubuntu"
+    host = data.azurerm_public_ip.tg_public_ip.ip_address
+    private_key = file("~/.ssh/id_rsa")
+  }
+  provisioner "ansible" {
+    plays {
+      playbook {
+        file_path = "../../testbed-setup/ansible/site.yaml"
+        force_handlers = true
+      }
+      hosts = ["tg_azure"]
+      extra_vars = {
+        ansible_python_interpreter = "/usr/bin/python3"
+        azure = true
+      }
+    }
+  }
+}
+
+resource "null_resource" "deploy_dut1" {
+  depends_on = [ azurerm_virtual_machine.dut1,
+                 azurerm_network_interface.dut1_if1,
+                 azurerm_network_interface.dut1_if2 ]
+  connection {
+    user = "ubuntu"
+    host = data.azurerm_public_ip.dut1_public_ip.ip_address
+    private_key = file("~/.ssh/id_rsa")
+  }
+  provisioner "ansible" {
+    plays {
+      playbook {
+        file_path = "../../testbed-setup/ansible/site.yaml"
+        force_handlers = true
+      }
+      hosts = ["sut_azure"]
+      extra_vars = {
+        ansible_python_interpreter = "/usr/bin/python3"
+        azure = true
+      }
+    }
+  }
+}
+
+resource "null_resource" "deploy_dut2" {
+  depends_on = [ azurerm_virtual_machine.dut2,
+                 azurerm_network_interface.dut2_if1,
+                 azurerm_network_interface.dut2_if2 ]
+  connection {
+    user = "ubuntu"
+    host = data.azurerm_public_ip.dut2_public_ip.ip_address
+    private_key = file("~/.ssh/id_rsa")
+  }
+  provisioner "ansible" {
+    plays {
+      playbook {
+        file_path = "../../testbed-setup/ansible/site.yaml"
+        force_handlers = true
+      }
+      hosts = ["sut_azure"]
+      extra_vars = {
+        ansible_python_interpreter = "/usr/bin/python3"
+        azure = true
+      }
+    }
+  }
+}
+
+resource "null_resource" "deploy_topology" {
+  depends_on = [ azurerm_virtual_machine.tg,
+                 azurerm_network_interface.tg_if1,
+                 azurerm_network_interface.tg_if2,
+                 azurerm_virtual_machine.dut1,
+                 azurerm_network_interface.dut1_if1,
+                 azurerm_network_interface.dut1_if2,
+                 azurerm_virtual_machine.dut2,
+                 azurerm_network_interface.dut2_if1,
+                 azurerm_network_interface.dut2_if2 ]
+  provisioner "ansible" {
+    plays {
+      playbook {
+        file_path = "../../testbed-setup/ansible/cloud_topology.yaml"
+      }
+      hosts = ["local"]
+      extra_vars = {
+        ansible_python_interpreter = "/usr/bin/python3"
+        cloud_topology = "3n_azure_Fsv2"
+        tg_if1_mac = data.azurerm_network_interface.tg_if1.mac_address
+        tg_if2_mac = data.azurerm_network_interface.tg_if2.mac_address
+        dut1_if1_mac = data.azurerm_network_interface.dut1_if1.mac_address
+        dut1_if2_mac = data.azurerm_network_interface.dut1_if2.mac_address
+        dut2_if1_mac = data.azurerm_network_interface.dut2_if1.mac_address
+        dut2_if2_mac = data.azurerm_network_interface.dut2_if2.mac_address
+        tg_public_ip = data.azurerm_public_ip.tg_public_ip.ip_address
+        dut1_public_ip = data.azurerm_public_ip.dut1_public_ip.ip_address
+        dut2_public_ip = data.azurerm_public_ip.dut2_public_ip.ip_address
+      }
+    }
+  }
+}
+
+output "dbg_tg" {
+  value = "TG IP: ${data.azurerm_public_ip.tg_public_ip.ip_address}"
+}
+
+output "dbg_dut1" {
+  value = "DUT1 IP: ${data.azurerm_public_ip.dut1_public_ip.ip_address}"
+}
+
+output "dbg_dut2" {
+  value = "DUT2 IP: ${data.azurerm_public_ip.dut2_public_ip.ip_address}"
+}
diff --git a/fdio.infra.terraform/3n_azure_fsv2/nic.tf b/fdio.infra.terraform/3n_azure_fsv2/nic.tf
new file mode 100644
index 0000000000..51692593c6
--- /dev/null
+++ b/fdio.infra.terraform/3n_azure_fsv2/nic.tf
@@ -0,0 +1,133 @@
+# Create a network interface for the data-plane traffic
+
+resource "azurerm_network_interface" "dut1_if2" {
+    name                      = "dut1_if2"
+    location                  = azurerm_resource_group.CSIT.location
+    resource_group_name       = azurerm_resource_group.CSIT.name
+    network_security_group_id = azurerm_network_security_group.CSIT.id
+    enable_ip_forwarding      = "true"
+    enable_accelerated_networking  = "true"
+
+    ip_configuration {
+        name                          = "dut1_if2"
+        subnet_id                     = azurerm_subnet.c.id
+        private_ip_address_allocation = "Static"
+        private_ip_address	      = "172.16.200.101"
+    }
+}
+
+data "azurerm_network_interface" "dut1_if2" {
+  name                = "dut1_if2"
+  resource_group_name = azurerm_resource_group.CSIT.name
+  depends_on          = [ azurerm_virtual_machine.dut1 ]
+}
+
+resource "azurerm_network_interface" "dut2_if1" {
+    name                      = "dut2_if1"
+    location                  = azurerm_resource_group.CSIT.location
+    resource_group_name       = azurerm_resource_group.CSIT.name
+    network_security_group_id = azurerm_network_security_group.CSIT.id
+    enable_ip_forwarding      = "true"
+    enable_accelerated_networking  = "true"
+
+    ip_configuration {
+        name                          = "dut2_if1"
+        subnet_id                     = azurerm_subnet.c.id
+        private_ip_address_allocation = "Static"
+        private_ip_address	      = "172.16.200.102"
+    }
+}
+
+data "azurerm_network_interface" "dut2_if1" {
+  name                = "dut2_if1"
+  resource_group_name = azurerm_resource_group.CSIT.name
+  depends_on          = [ azurerm_virtual_machine.dut2 ]
+}
+
+resource "azurerm_network_interface" "dut1_if1" {
+    name                      = "dut1_if1"
+    location                  = azurerm_resource_group.CSIT.location
+    resource_group_name       = azurerm_resource_group.CSIT.name
+    network_security_group_id = azurerm_network_security_group.CSIT.id
+    enable_ip_forwarding      = "true"
+    enable_accelerated_networking  = "true"
+
+    ip_configuration {
+        name                          = "dut1_if1"
+        subnet_id                     = azurerm_subnet.b.id
+        private_ip_address_allocation = "Static"
+        private_ip_address	      = "172.16.10.11"
+    }
+}
+
+data "azurerm_network_interface" "dut1_if1" {
+  name                = "dut1_if1"
+  resource_group_name = azurerm_resource_group.CSIT.name
+  depends_on          = [ azurerm_virtual_machine.dut1 ]
+}
+
+resource "azurerm_network_interface" "dut2_if2" {
+    name                      = "dut2_if2"
+    location                  = azurerm_resource_group.CSIT.location
+    resource_group_name       = azurerm_resource_group.CSIT.name
+    network_security_group_id = azurerm_network_security_group.CSIT.id
+    enable_ip_forwarding      = "true"
+    enable_accelerated_networking  = "true"
+
+    ip_configuration {
+        name                          = "dut2_if2"
+        subnet_id                     = azurerm_subnet.d.id
+        private_ip_address_allocation = "Static"
+        private_ip_address	      = "172.16.20.11"
+    }
+}
+
+data "azurerm_network_interface" "dut2_if2" {
+  name                = "dut2_if2"
+  resource_group_name = azurerm_resource_group.CSIT.name
+  depends_on          = [ azurerm_virtual_machine.dut2 ]
+}
+
+resource "azurerm_network_interface" "tg_if1" {
+    name                      = "tg_if1"
+    location                  = azurerm_resource_group.CSIT.location
+    resource_group_name       = azurerm_resource_group.CSIT.name
+    network_security_group_id = azurerm_network_security_group.CSIT.id
+    enable_ip_forwarding      = "true"
+    enable_accelerated_networking  = "true"
+
+    ip_configuration {
+        name                          = "tg1"
+        subnet_id                     = azurerm_subnet.b.id
+        private_ip_address_allocation = "Static"
+        private_ip_address	      = "172.16.10.250"
+    }
+}
+
+data "azurerm_network_interface" "tg_if1" {
+  name                = "tg_if1"
+  resource_group_name = azurerm_resource_group.CSIT.name
+  depends_on          = [ azurerm_virtual_machine.tg ]
+}
+
+resource "azurerm_network_interface" "tg_if2" {
+    name                      = "tg_if2"
+    location                  = azurerm_resource_group.CSIT.location
+    resource_group_name       = azurerm_resource_group.CSIT.name
+    network_security_group_id = azurerm_network_security_group.CSIT.id
+    enable_ip_forwarding      = "true"
+    enable_accelerated_networking  = "true"
+
+    ip_configuration {
+        name                          = "tg2"
+        subnet_id                     = azurerm_subnet.d.id
+        private_ip_address_allocation = "Static"
+        private_ip_address	      = "172.16.20.250"
+    }
+}
+
+data "azurerm_network_interface" "tg_if2" {
+  name                = "tg_if2"
+  resource_group_name = azurerm_resource_group.CSIT.name
+  depends_on          = [ azurerm_virtual_machine.tg ]
+}