diff --git a/tcp_tests/templates/underlay/virtual_mcp10_ovs--meta-data.yaml b/tcp_tests/templates/underlay/virtual_mcp10_ovs--meta-data.yaml
new file mode 100644
index 0000000..3699401
--- /dev/null
+++ b/tcp_tests/templates/underlay/virtual_mcp10_ovs--meta-data.yaml
@@ -0,0 +1,4 @@
+| # All the data below will be stored as a string object
+  instance-id: iid-local1
+  hostname: {hostname}
+  local-hostname: {hostname}
diff --git a/tcp_tests/templates/underlay/virtual_mcp10_ovs--user-data-cfg01.yaml b/tcp_tests/templates/underlay/virtual_mcp10_ovs--user-data-cfg01.yaml
new file mode 100644
index 0000000..443e50c
--- /dev/null
+++ b/tcp_tests/templates/underlay/virtual_mcp10_ovs--user-data-cfg01.yaml
@@ -0,0 +1,98 @@
+| # All the data below will be stored as a string object
+  #cloud-config, see http://cloudinit.readthedocs.io/en/latest/topics/examples.html
+
+  ssh_pwauth: True
+  users:
+   - name: root
+     sudo: ALL=(ALL) NOPASSWD:ALL
+     shell: /bin/bash
+     ssh_authorized_keys:
+      - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCp0evjOaK8c8SKYK4r2+0BN7g+8YSvQ2n8nFgOURCyvkJqOHi1qPGZmuN0CclYVdVuZiXbWw3VxRbSW3EH736VzgY1U0JmoTiSamzLHaWsXvEIW8VCi7boli539QJP0ikJiBaNAgZILyCrVPN+A6mfqtacs1KXdZ0zlMq1BPtFciR1JTCRcVs5vP2Wwz5QtY2jMIh3aiwkePjMTQPcfmh1TkOlxYu5IbQyZ3G1ahA0mNKI9a0dtF282av/F6pwB/N1R1nEZ/9VtcN2I1mf1NW/tTHEEcTzXYo1R/8K9vlqAN8QvvGLZtZduGviNVNoNWvoxaXxDt8CPv2B2NCdQFZp
+
+  disable_root: false
+  chpasswd:
+   list: |
+    root:r00tme
+   expire: False
+
+  bootcmd:
+   # Block access to SSH while node is preparing
+   - cloud-init-per once sudo iptables -A INPUT -p tcp --dport 22 -j DROP
+   # Enable root access
+   - sed -i -e '/^PermitRootLogin/s/^.*$/PermitRootLogin yes/' /etc/ssh/sshd_config
+   - service sshd restart
+  output:
+    all: '| tee -a /var/log/cloud-init-output.log /dev/tty0'
+
+  runcmd:
+   # Configure dhclient
+   - sudo echo "nameserver {gateway}" >> /etc/resolvconf/resolv.conf.d/base
+   - sudo resolvconf -u
+
+   # Prepare network connection
+   - sudo ifup ens3
+   #- sudo route add default gw {gateway} {interface_name}
+   - sudo ifup ens4
+
+   # Create swap
+   - fallocate -l 4G /swapfile
+   - chmod 600 /swapfile
+   - mkswap /swapfile
+   - swapon /swapfile
+   - echo "/swapfile   none    swap    defaults    0   0" >> /etc/fstab
+
+   ########################################################
+   # Node is ready, allow SSH access
+   - echo "Allow SSH access ..."
+   - sudo iptables -D INPUT -p tcp --dport 22 -j DROP
+   ########################################################
+
+  write_files:
+   - path: /etc/network/interfaces
+     content: |
+          auto ens3
+          iface ens3 inet dhcp
+          auto ens4
+          iface ens4 inet dhcp
+
+   - path: /root/.ssh/id_rsa
+     owner: root:root
+     permissions: '0600'
+     content: |
+         -----BEGIN RSA PRIVATE KEY-----
+         MIIEogIBAAKCAQEAqdHr4zmivHPEimCuK9vtATe4PvGEr0Np/JxYDlEQsr5Cajh4
+         tajxmZrjdAnJWFXVbmYl21sN1cUW0ltxB+9+lc4GNVNCZqE4kmpsyx2lrF7xCFvF
+         Qou26JYud/UCT9IpCYgWjQIGSC8gq1TzfgOpn6rWnLNSl3WdM5TKtQT7RXIkdSUw
+         kXFbObz9lsM+ULWNozCId2osJHj4zE0D3H5odU5DpcWLuSG0MmdxtWoQNJjSiPWt
+         HbRdvNmr/xeqcAfzdUdZxGf/VbXDdiNZn9TVv7UxxBHE812KNUf/Cvb5agDfEL7x
+         i2bWXbhr4jVTaDVr6MWl8Q7fAj79gdjQnUBWaQIDAQABAoIBAFU3kU6yIna9BViH
+         UX+S2ijtRBjZ68JjavEnp4xvo5h+nydcdT57q9lv/0nAi3g3gmXm/oJH+/ZU87HV
+         zy+zP+t+umDSChUkPBZFL5jxpKyN7BhMrP1KzRuEGYd6vJE/nfY5g095P5vDgnpX
+         o+SNg/YqrY1u8zgr/hnfRaV2/XyIDEEcQXTHseWTnnMQnULFU88xL8yq8ACT5GhK
+         7A9m5ukfcU6d/fs/psz5Yqw5IQsWbv1yJ3/FKufPHlo2Nzh3/3eDAZUXvaBgf1so
+         FWFpHtkry3OXOGaZ98HgF9hL0twS0pzMvuypdGUQAt6nyB1N5re4LK/MAOddqwEc
+         1+NQzfECgYEA2ryEf0GLJdtiYs3F4HbwTwJVIXdyWv7kjYGeMkutzzAjXl6wx8aq
+         kfqLJ7x7UkR5unZ1ajEbKBciAlSuFA+Gikn6a4Lv8h87aSnHpPd/2VSitRlI/gW7
+         w4U4CL3Br1JyonU5WA7VYfTow7KnHBhdwm27RMA9uosyIpveQRpqSG0CgYEAxsAS
+         wCQKrhuPq2YtGtFR7K4BL+N+0E1Vq6h49u1ukcgUe0GHVD3VzBypNCv7rWEVHzAg
+         biCVi7PCjzZYW4fYZmzVD4JbFLVGOUu7aJwLaE4wDe72DNr6YZhcS+Ta98BP+x0q
+         Wt34JNPDabRPfhXfhiCqnWjjod+4Zqx4VJVNgG0CgYB5EXL8xJhyAbW5Hk/x56Mm
+         +BGKjoR7HS3/rMiU6hJv5SMObrbGPI3YcqZm/gn8BO6jaEGg30E6tWMbiyc270j2
+         be/vZe/NQcAuevOHuX3IGvJb7nzaLO46UBgtrmnv0mCkzuFIfh1ZNKdI+i9Ie6wZ
+         m4bVjNod0EGVqlQgELDXGQKBgB+NNmzSS++/6FrpaZesSzkrlnynvOYMoOETacCp
+         iLgT70xx5q308w/oLORfZyDrHJNK7JsPCS6YZvadRgGh2zTHajuAEj2DWZaW8zV0
+         MEtqvi44FU+NI9qCeYSC3FAgc5IF20d5nX8bLxaEzWnSxx1f6jX7BMgZ4AhMsP2c
+         hiUxAoGAFaxn+t9blIjqUiuh0smSYFhLBVPZveYHQDmQYERjktptBd3X95fGnSKh
+         iDe2iPGyud2+Yu4X/VjHLh/MRru+ZXvPXw1XwEqX93q8a1n283ul0Rl9+KKKOVHR
+         eecTjI/BfXBf33mPRKny3xuHw6uwta2T3OXky9IhqYS1kkHiZWA=
+         -----END RSA PRIVATE KEY-----
+
+   - path: /root/.ssh/config
+     owner: root:root
+     permissions: '0600'
+     content: |
+          Host *
+            ServerAliveInterval 300
+            ServerAliveCountMax 10
+            StrictHostKeyChecking no
+            UserKnownHostsFile /dev/null
diff --git a/tcp_tests/templates/underlay/virtual_mcp10_ovs--user-data1404.yaml b/tcp_tests/templates/underlay/virtual_mcp10_ovs--user-data1404.yaml
new file mode 100644
index 0000000..8ed34dc
--- /dev/null
+++ b/tcp_tests/templates/underlay/virtual_mcp10_ovs--user-data1404.yaml
@@ -0,0 +1,99 @@
+| # All the data below will be stored as a string object
+  #cloud-config, see http://cloudinit.readthedocs.io/en/latest/topics/examples.html
+
+  ssh_pwauth: True
+  users:
+   - name: root
+     sudo: ALL=(ALL) NOPASSWD:ALL
+     shell: /bin/bash
+     ssh_authorized_keys:
+      - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDGwjUlYn9UsmWmAGSuEA2sICad7WqxgsJR0HKcMbbxi0tn96h4Cq2iGYmzlJ48egLm5R5pxyWnFvL4b/2zb+kKTPCMwRc9nv7xEGosEFNQEoSDd+gYu2CO0dgS2bX/7m2DXmzvhqPjxWQUXXsb0OYAS1r9Es65FE8y4rLaegz8V35xfH45bTCA0W8VSKh264XtGz12hacqsttE/UvyjJTZe+/XV+xJy3WAWxe8J/MuW1VqbqNewTmpTE/LJU8i6pG4msU6+wH99UvsGAOKQOduynUHKWG3VZg5YCjpbbV/t/pfW/vHB3b3jiifQmNhulyiG/CNnSQ5BahtV/7qPsYt vagrant@cfg01
+
+  disable_root: false
+  chpasswd:
+   list: |
+    root:r00tme
+   expire: False
+
+  bootcmd:
+   # Block access to SSH while node is preparing
+   - cloud-init-per once sudo iptables -A INPUT -p tcp --dport 22 -j DROP
+   # Enable root access
+   - sed -i -e '/^PermitRootLogin/s/^.*$/PermitRootLogin yes/' /etc/ssh/sshd_config
+   - service sshd restart
+  output:
+    all: '| tee -a /var/log/cloud-init-output.log /dev/tty0'
+
+  runcmd:
+   # Configure dhclient
+   - sudo echo "nameserver {gateway}" >> /etc/resolvconf/resolv.conf.d/base
+   - sudo resolvconf -u
+
+   # Prepare network connection
+   - sudo ifup eth0
+   #- sudo route add default gw {gateway} {interface_name}
+   - sudo ifup eth1
+
+   # Create swap
+   - fallocate -l 4G /swapfile
+   - chmod 600 /swapfile
+   - mkswap /swapfile
+   - swapon /swapfile
+   - echo "/swapfile   none    swap    defaults    0   0" >> /etc/fstab
+
+   ############## TCP Cloud cfg01 node ##################
+   #- sleep 120
+   - echo "Preparing base OS"
+   - which wget >/dev/null || (apt-get update; apt-get install -y wget)
+   - echo "deb [arch=amd64] http://apt.tcpcloud.eu/nightly/ trusty main security extra tcp tcp-salt" > /etc/apt/sources.list
+   - wget -O - http://apt.tcpcloud.eu/public.gpg | apt-key add -
+   # saltstack repo is for minions that have the same version in the xenial and trusty (2016.3.3)
+   #- echo "deb http://repo.saltstack.com/apt/ubuntu/14.04/amd64/latest trusty main" > /etc/apt/sources.list.d/saltstack.list
+   #- wget -O - https://repo.saltstack.com/apt/ubuntu/14.04/amd64/latest/SALTSTACK-GPG-KEY.pub | apt-key add -
+   - echo "deb http://repo.saltstack.com/apt/ubuntu/14.04/amd64/2016.3 trusty main" > /etc/apt/sources.list.d/saltstack.list
+   - wget -O - https://repo.saltstack.com/apt/ubuntu/14.04/amd64/2016.3/SALTSTACK-GPG-KEY.pub | apt-key add -
+
+   - apt-get clean
+   - apt-get update
+   - apt-get -y upgrade
+
+   # Install common packages
+   - apt-get install -y python-pip git
+   - apt-get install -y curl tmux byobu iputils-ping traceroute htop tree
+
+   - apt-get install -y salt-minion
+
+   # To be configured from inventory/fuel-devops by operator or autotests
+   - 'echo "id: {hostname}" >> /etc/salt/minion'
+   - 'echo "master: 172.16.10.100" >> /etc/salt/minion'
+
+   - echo "Restarting minion service with workarounds..."
+   - rm -f /etc/salt/pki/minion/minion_master.pub
+   - service salt-minion restart
+   - sleep 5
+   - rm -f /etc/salt/pki/minion/minion_master.pub
+   - service salt-minion restart
+
+   #- echo "Showing node metadata..."
+   #- salt-call pillar.data
+
+   #- echo "Running complete state ..."
+   #- salt-call state.sls linux,openssh,salt
+
+   # Workaround for bug https://mirantis.jira.com/browse/PROD-8214
+   - apt-get -y install --install-recommends linux-generic-lts-xenial
+   - reboot
+
+   ########################################################
+   # Node is ready, allow SSH access
+   ##- echo "Allow SSH access ..."
+   ##- sudo iptables -D INPUT -p tcp --dport 22 -j DROP
+   ########################################################
+
+  write_files:
+   - path: /etc/network/interfaces
+     content: |
+          auto eth0
+          iface eth0 inet dhcp
+          auto eth1
+          iface eth1 inet dhcp
diff --git a/tcp_tests/templates/underlay/virtual_mcp10_ovs--user-data1604.yaml b/tcp_tests/templates/underlay/virtual_mcp10_ovs--user-data1604.yaml
new file mode 100644
index 0000000..97b3b82
--- /dev/null
+++ b/tcp_tests/templates/underlay/virtual_mcp10_ovs--user-data1604.yaml
@@ -0,0 +1,95 @@
+| # All the data below will be stored as a string object
+  #cloud-config, see http://cloudinit.readthedocs.io/en/latest/topics/examples.html
+
+  ssh_pwauth: True
+  users:
+   - name: root
+     sudo: ALL=(ALL) NOPASSWD:ALL
+     shell: /bin/bash
+     ssh_authorized_keys:
+      - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDGwjUlYn9UsmWmAGSuEA2sICad7WqxgsJR0HKcMbbxi0tn96h4Cq2iGYmzlJ48egLm5R5pxyWnFvL4b/2zb+kKTPCMwRc9nv7xEGosEFNQEoSDd+gYu2CO0dgS2bX/7m2DXmzvhqPjxWQUXXsb0OYAS1r9Es65FE8y4rLaegz8V35xfH45bTCA0W8VSKh264XtGz12hacqsttE/UvyjJTZe+/XV+xJy3WAWxe8J/MuW1VqbqNewTmpTE/LJU8i6pG4msU6+wH99UvsGAOKQOduynUHKWG3VZg5YCjpbbV/t/pfW/vHB3b3jiifQmNhulyiG/CNnSQ5BahtV/7qPsYt vagrant@cfg01
+
+  disable_root: false
+  chpasswd:
+   list: |
+    root:r00tme
+   expire: False
+
+  bootcmd:
+   # Block access to SSH while node is preparing
+   - cloud-init-per once sudo iptables -A INPUT -p tcp --dport 22 -j DROP
+   # Enable root access
+   - sed -i -e '/^PermitRootLogin/s/^.*$/PermitRootLogin yes/' /etc/ssh/sshd_config
+   - service sshd restart
+  output:
+    all: '| tee -a /var/log/cloud-init-output.log /dev/tty0'
+
+  runcmd:
+   # Configure dhclient
+   - sudo echo "nameserver {gateway}" >> /etc/resolvconf/resolv.conf.d/base
+   - sudo resolvconf -u
+
+   # Prepare network connection
+   - sudo ifup ens3
+   #- sudo route add default gw {gateway} {interface_name}
+   - sudo ifup ens4
+
+   # Create swap
+   - fallocate -l 4G /swapfile
+   - chmod 600 /swapfile
+   - mkswap /swapfile
+   - swapon /swapfile
+   - echo "/swapfile   none    swap    defaults   0   0" >> /etc/fstab
+
+   ############## TCP Cloud cfg01 node ##################
+   #- sleep 120
+   - echo "Preparing base OS"
+   - which wget >/dev/null || (apt-get update; apt-get install -y wget)
+   - echo "deb [arch=amd64] http://apt.tcpcloud.eu/nightly/ xenial main security extra tcp tcp-salt" > /etc/apt/sources.list
+   - wget -O - http://apt.tcpcloud.eu/public.gpg | apt-key add -
+   # saltstack repo is for minions that have the same version in the xenial and trusty (2016.3.3)
+   #- echo "deb http://repo.saltstack.com/apt/ubuntu/16.04/amd64/latest xenial main" > /etc/apt/sources.list.d/saltstack.list
+   #- wget -O - https://repo.saltstack.com/apt/ubuntu/16.04/amd64/latest/SALTSTACK-GPG-KEY.pub | apt-key add -
+   - echo "deb http://repo.saltstack.com/apt/ubuntu/16.04/amd64/2016.3 xenial main" > /etc/apt/sources.list.d/saltstack.list
+   - wget -O - https://repo.saltstack.com/apt/ubuntu/16.04/amd64/2016.3/SALTSTACK-GPG-KEY.pub | apt-key add -
+
+   - apt-get clean
+   - apt-get update
+   - apt-get -y upgrade
+
+   # Install common packages
+   - apt-get install -y python-pip git
+   - apt-get install -y curl tmux byobu iputils-ping traceroute htop tree
+
+   - apt-get install -y salt-minion
+
+   # To be configured from inventory/fuel-devops by operator or autotests
+   - 'echo "id: {hostname}" >> /etc/salt/minion'
+   - 'echo "master: 172.16.10.100" >> /etc/salt/minion'
+
+   - echo "Restarting minion service with workarounds..."
+   - rm -f /etc/salt/pki/minion/minion_master.pub
+   - service salt-minion restart
+   - sleep 5
+   - rm -f /etc/salt/pki/minion/minion_master.pub
+   - service salt-minion restart
+
+   #- echo "Showing node metadata..."
+   #- salt-call pillar.data
+
+   #- echo "Running complete state ..."
+   #- salt-call state.sls linux,openssh,salt
+
+   ########################################################
+   # Node is ready, allow SSH access
+   - echo "Allow SSH access ..."
+   - sudo iptables -D INPUT -p tcp --dport 22 -j DROP
+   ########################################################
+
+  write_files:
+   - path: /etc/network/interfaces
+     content: |
+          auto ens3
+          iface ens3 inet dhcp
+          auto ens4
+          iface ens4 inet dhcp
diff --git a/tcp_tests/templates/underlay/virtual_mcp10_ovs.yaml b/tcp_tests/templates/underlay/virtual_mcp10_ovs.yaml
new file mode 100644
index 0000000..07ecddf
--- /dev/null
+++ b/tcp_tests/templates/underlay/virtual_mcp10_ovs.yaml
@@ -0,0 +1,409 @@
+---
+aliases:
+  default_interface_model:
+    - &interface_model !os_env INTERFACE_MODEL, virtio
+
+{% set DOMAIN_NAME = os_env('LAB_CONFIG_NAME', 'virtual_mcp10_ovs') + '.local' %}
+{% set HOSTNAME_CFG01 = os_env('HOSTNAME_CFG01', 'cfg01.' + DOMAIN_NAME) %}
+{% set HOSTNAME_CTL01 = os_env('HOSTNAME_CTL01', 'ctl01.' + DOMAIN_NAME) %}
+{% set HOSTNAME_CTL02 = os_env('HOSTNAME_CTL02', 'ctl02.' + DOMAIN_NAME) %}
+{% set HOSTNAME_CTL03 = os_env('HOSTNAME_CTL03', 'ctl03.' + DOMAIN_NAME) %}
+{% set HOSTNAME_CMP01 = os_env('HOSTNAME_CMP01', 'cmp01.' + DOMAIN_NAME) %}
+{% set HOSTNAME_CMP02 = os_env('HOSTNAME_CMP02', 'cmp02.' + DOMAIN_NAME) %}
+{% set HOSTNAME_GTW01 = os_env('HOSTNAME_GTW01', 'gtw01.' + DOMAIN_NAME) %}
+{% set HOSTNAME_GTW01 = os_env('HOSTNAME_GTW01', 'prx01.' + DOMAIN_NAME) %}
+
+template:
+  devops_settings:
+    env_name: {{ os_env('ENV_NAME', 'virtual_mcp10_ovs') }}
+
+    address_pools:
+      admin-pool01:
+        net: 172.16.10.0/24:24
+        params:
+          ip_reserved:
+            gateway: +1
+            l2_network_device: +1
+            default_{{ HOSTNAME_CFG01 }}: +100
+            default_{{ HOSTNAME_CTL01 }}: +101
+            default_{{ HOSTNAME_CTL02 }}: +102
+            default_{{ HOSTNAME_CTL03 }}: +103
+            default_{{ HOSTNAME_CMP01 }}: +105
+            default_{{ HOSTNAME_CMP02 }}: +106
+            default_{{ HOSTNAME_GTW01 }}: +110
+            default_{{ HOSTNAME_PRX01 }}: +121
+          ip_ranges:
+            dhcp: [+90, -10]
+
+      private-pool01:
+        net: 192.168.10.0/24:24
+        params:
+          ip_reserved:
+            gateway: +1
+            l2_network_device: +1
+            default_{{ HOSTNAME_CFG01 }}: +100
+            default_{{ HOSTNAME_CTL01 }}: +101
+            default_{{ HOSTNAME_CTL02 }}: +102
+            default_{{ HOSTNAME_CTL03 }}: +103
+            default_{{ HOSTNAME_CMP01 }}: +105
+            default_{{ HOSTNAME_CMP02 }}: +106
+            default_{{ HOSTNAME_GTW01 }}: +110
+            default_{{ HOSTNAME_PRX01 }}: +121
+          ip_ranges:
+            dhcp: [+90, -10]
+
+      tenant-pool01:
+        net: 10.1.0.0/24:24
+        params:
+          ip_reserved:
+            gateway: +1
+            l2_network_device: +1
+            default_{{ HOSTNAME_CFG01 }}: +100
+            default_{{ HOSTNAME_CTL01 }}: +101
+            default_{{ HOSTNAME_CTL02 }}: +102
+            default_{{ HOSTNAME_CTL03 }}: +103
+            default_{{ HOSTNAME_CMP01 }}: +105
+            default_{{ HOSTNAME_CMP02 }}: +106
+            default_{{ HOSTNAME_GTW01 }}: +110
+            default_{{ HOSTNAME_PRX01 }}: +121
+          ip_ranges:
+            dhcp: [+10, -10]
+
+      external-pool01:
+        net: 10.16.0.0/24:24
+        params:
+          ip_reserved:
+            gateway: +1
+            l2_network_device: +1
+            default_{{ HOSTNAME_CFG01 }}: +100
+            default_{{ HOSTNAME_CTL01 }}: +101
+            default_{{ HOSTNAME_CTL02 }}: +102
+            default_{{ HOSTNAME_CTL03 }}: +103
+            default_{{ HOSTNAME_CMP01 }}: +105
+            default_{{ HOSTNAME_CMP02 }}: +106
+            default_{{ HOSTNAME_GTW01 }}: +110
+            default_{{ HOSTNAME_PRX01 }}: +121
+          ip_ranges:
+            dhcp: [+10, -10]
+
+
+    groups:
+      - name: default
+        driver:
+          name: devops.driver.libvirt
+          params:
+            connection_string: !os_env CONNECTION_STRING, qemu:///system
+            storage_pool_name: !os_env STORAGE_POOL_NAME, default
+            stp: False
+            hpet: False
+            enable_acpi: true
+            use_host_cpu: !os_env DRIVER_USE_HOST_CPU, true
+
+        network_pools:
+          admin: admin-pool01
+          private: private-pool01
+          tenant: tenant-pool01
+          external: external-pool01
+
+        l2_network_devices:
+          private:
+            address_pool: private-pool01
+            dhcp: true
+            forward:
+              mode: nat
+
+          admin:
+            address_pool: admin-pool01
+            dhcp: true
+
+          tenant:
+            address_pool: tenant-pool01
+            dhcp: true
+
+          external:
+            address_pool: external-pool01
+            dhcp: true
+            forward:
+              mode: nat
+
+
+        group_volumes:
+         - name: cloudimage1404    # This name is used for 'backing_store' option for node volumes.
+           source_image: !os_env IMAGE_PATH1404  # https://cloud-images.ubuntu.com/trusty/current/trusty-server-cloudimg-amd64-disk1.img or
+                                             # http://apt.tcpcloud.eu/images/ubuntu-14-04-x64-201608231134.qcow2
+           format: qcow2
+         - name: cloudimage1604    # This name is used for 'backing_store' option for node volumes.
+           source_image: !os_env IMAGE_PATH1604  # https://cloud-images.ubuntu.com/xenial/current/xenial-server-cloudimg-amd64-disk1.img or
+                                             # http://apt.tcpcloud.eu/images/ubuntu-16-04-x64-201608231004.qcow2
+           format: qcow2
+
+        nodes:
+          - name: {{ HOSTNAME_CFG01 }}
+            role: salt_master
+            params:
+              vcpu: !os_env SLAVE_NODE_CPU, 4
+              memory: !os_env SLAVE_NODE_MEMORY, 2048
+              boot:
+                - hd
+              cloud_init_volume_name: iso
+              cloud_init_iface_up: ens3
+              volumes:
+                - name: system
+                  capacity: !os_env NODE_VOLUME_SIZE, 150
+                  backing_store: cloudimage1604
+                  format: qcow2
+                - name: iso  # Volume with name 'iso' will be used
+                             # for store image with cloud-init metadata.
+                  capacity: 1
+                  format: raw
+                  device: cdrom
+                  bus: ide
+                  cloudinit_meta_data: !include virtual_mcp10_ovs--meta-data.yaml
+                  cloudinit_user_data: !include virtual_mcp10_ovs--user-data-cfg01.yaml
+
+              interfaces:
+                - label: ens3
+                  l2_network_device: private
+                  interface_model: *interface_model
+                - label: ens4
+                  l2_network_device: admin
+                  interface_model: *interface_model
+              network_config:
+                ens3:
+                  networks:
+                    - private
+                ens4:
+                  networks:
+                    - admin
+
+          - name: {{ HOSTNAME_CTL01 }}
+            role: salt_minion
+            params:
+              vcpu: !os_env SLAVE_NODE_CPU, 4
+              memory: !os_env SLAVE_NODE_MEMORY, 8192
+              boot:
+                - hd
+              cloud_init_volume_name: iso
+              cloud_init_iface_up: eth0
+              volumes:
+                - name: system
+                  capacity: !os_env NODE_VOLUME_SIZE, 150
+                  backing_store: cloudimage1404
+                  format: qcow2
+                - name: cinder
+                  capacity: 50
+                  format: qcow2
+                - name: iso  # Volume with name 'iso' will be used
+                             # for store image with cloud-init metadata.
+                  capacity: 1
+                  format: raw
+                  device: cdrom
+                  bus: ide
+                  cloudinit_meta_data: !include virtual_mcp10_ovs--meta-data.yaml
+                  cloudinit_user_data: !include virtual_mcp10_ovs--user-data1404.yaml
+
+              interfaces: &interfaces
+                - label: eth0
+                  l2_network_device: private
+                  interface_model: *interface_model
+                - label: eth1
+                  l2_network_device: admin
+                  interface_model: *interface_model
+              network_config: &network_config
+                eth0:
+                  networks:
+                    - private
+                eth1:
+                  networks:
+                    - admin
+
+          - name: {{ HOSTNAME_CTL02 }}
+            role: salt_minion
+            params:
+              vcpu: !os_env SLAVE_NODE_CPU, 4
+              memory: !os_env SLAVE_NODE_MEMORY, 8192
+              boot:
+                - hd
+              cloud_init_volume_name: iso
+              cloud_init_iface_up: eth0
+              volumes:
+                - name: system
+                  capacity: !os_env NODE_VOLUME_SIZE, 150
+                  backing_store: cloudimage1404
+                  format: qcow2
+                - name: cinder
+                  capacity: 50
+                  format: qcow2
+                - name: iso  # Volume with name 'iso' will be used
+                             # for store image with cloud-init metadata.
+                  capacity: 1
+                  format: raw
+                  device: cdrom
+                  bus: ide
+                  cloudinit_meta_data: !include virtual_mcp10_ovs--meta-data.yaml
+                  cloudinit_user_data: !include virtual_mcp10_ovs--user-data1404.yaml
+
+              interfaces: *interfaces
+              network_config: *network_config
+
+          - name: {{ HOSTNAME_CTL03 }}
+            role: salt_minion
+            params:
+              vcpu: !os_env SLAVE_NODE_CPU, 4
+              memory: !os_env SLAVE_NODE_MEMORY, 8192
+              boot:
+                - hd
+              cloud_init_volume_name: iso
+              cloud_init_iface_up: eth0
+              volumes:
+                - name: system
+                  capacity: !os_env NODE_VOLUME_SIZE, 150
+                  backing_store: cloudimage1404
+                  format: qcow2
+                - name: cinder
+                  capacity: 50
+                  format: qcow2
+                - name: iso  # Volume with name 'iso' will be used
+                             # for store image with cloud-init metadata.
+                  capacity: 1
+                  format: raw
+                  device: cdrom
+                  bus: ide
+                  cloudinit_meta_data: !include virtual_mcp10_ovs--meta-data.yaml
+                  cloudinit_user_data: !include virtual_mcp10_ovs--user-data1404.yaml
+
+              interfaces: *interfaces
+              network_config: *network_config
+
+          - name: {{ HOSTNAME_PRX01 }}
+            role: salt_minion
+            params:
+              vcpu: !os_env SLAVE_NODE_CPU, 4
+              memory: !os_env SLAVE_NODE_MEMORY, 8192
+              boot:
+                - hd
+              cloud_init_volume_name: iso
+              cloud_init_iface_up: eth0
+              volumes:
+                - name: system
+                  capacity: !os_env NODE_VOLUME_SIZE, 150
+                  backing_store: cloudimage1404
+                  format: qcow2
+                - name: cinder
+                  capacity: 50
+                  format: qcow2
+                - name: iso  # Volume with name 'iso' will be used
+                             # for store image with cloud-init metadata.
+                  capacity: 1
+                  format: raw
+                  device: cdrom
+                  bus: ide
+                  cloudinit_meta_data: !include virtual_mcp10_ovs--meta-data.yaml
+                  cloudinit_user_data: !include virtual_mcp10_ovs--user-data1404.yaml
+
+              interfaces: *interfaces
+              network_config: *network_config
+
+
+          - name: {{ HOSTNAME_CMP01 }}
+            role: salt_minion
+            params:
+              vcpu: !os_env SLAVE_NODE_CPU, 4
+              memory: !os_env SLAVE_NODE_MEMORY, 4096
+              boot:
+                - hd
+              cloud_init_volume_name: iso
+              cloud_init_iface_up: eth0
+              volumes:
+                - name: system
+                  capacity: !os_env NODE_VOLUME_SIZE, 150
+                  backing_store: cloudimage1604
+                  format: qcow2
+                - name: iso  # Volume with name 'iso' will be used
+                             # for store image with cloud-init metadata.
+                  capacity: 1
+                  format: raw
+                  device: cdrom
+                  bus: ide
+                  cloudinit_meta_data: !include virtual_mcp10_ovs--meta-data.yaml
+                  cloudinit_user_data: !include virtual_mcp10_ovs--user-data1604.yaml
+
+
+              interfaces: &all_interfaces
+                - label: ens3
+                  l2_network_device: private
+                  interface_model: *interface_model
+                - label: ens4
+                  l2_network_device: admin
+                  interface_model: *interface_model
+                - label: ens5
+                  l2_network_device: tenant
+                  interface_model: *interface_model
+                - label: ens6
+                  l2_network_device: external
+                  interface_model: *interface_model
+              network_config: &all_network_config
+                ens3:
+                  networks:
+                    - private
+                ens4:
+                  networks:
+                    - admin
+                ens5:
+                  networks:
+                    - tenant
+                ens6:
+                  networks:
+                    - external
+
+          - name: {{ HOSTNAME_CMP02 }}
+            role: salt_minion
+            params:
+              vcpu: !os_env SLAVE_NODE_CPU, 4
+              memory: !os_env SLAVE_NODE_MEMORY, 4096
+              boot:
+                - hd
+              cloud_init_volume_name: iso
+              cloud_init_iface_up: eth0
+              volumes:
+                - name: system
+                  capacity: !os_env NODE_VOLUME_SIZE, 150
+                  backing_store: cloudimage1604
+                  format: qcow2
+                - name: iso  # Volume with name 'iso' will be used
+                             # for store image with cloud-init metadata.
+                  capacity: 1
+                  format: raw
+                  device: cdrom
+                  bus: ide
+                  cloudinit_meta_data: !include virtual_mcp10_ovs--meta-data.yaml
+                  cloudinit_user_data: !include virtual_mcp10_ovs--user-data1604.yaml
+
+              interfaces: *all_interfaces
+              network_config: *all_network_config
+
+          - name: {{ HOSTNAME_GTW01 }}
+            role: salt_minion
+            params:
+              vcpu: !os_env SLAVE_NODE_CPU, 1
+              memory: !os_env SLAVE_NODE_MEMORY, 2048
+              boot:
+                - hd
+              cloud_init_volume_name: iso
+              cloud_init_iface_up: eth0
+              volumes:
+                - name: system
+                  capacity: !os_env NODE_VOLUME_SIZE, 150
+                  backing_store: cloudimage1604
+                  format: qcow2
+                - name: iso  # Volume with name 'iso' will be used
+                             # for store image with cloud-init metadata.
+                  capacity: 1
+                  format: raw
+                  device: cdrom
+                  bus: ide
+                  cloudinit_meta_data: !include virtual_mcp10_ovs--meta-data.yaml
+                  cloudinit_user_data: !include virtual_mcp10_ovs--user-data1604.yaml
+
+              interfaces: *all_interfaces
+              network_config: *all_network_config