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-========================================================
-Setup in OpenStack and Open Daylight L2-Only Environment
-========================================================
-
-If you intend to set up a service VM as an IPv6 vRouter in an environment of OpenStack
-and Open Daylight L2-only of OPNFV Brahmaputra Release base platform, the instructions
-are as follows.
-
-Please **NOTE** that:
-
-* The hostnames, IP addresses, and username are for exemplary purpose in instructions.
- Please change as needed to fit your environment.
-* The instructions apply to both deployment model of single controller node and
- HA (High Availability) deployment model where multiple controller nodes are used.
-* However, in case of HA, when ``ipv6-router`` is created in step **SETUP-SVM-11**,
- it could be created in any of the controller node. Thus you need to identify in which
- controller node ``ipv6-router`` is created in order to manually spawn ``radvd`` daemon
- inside the ``ipv6-router`` namespace in steps **SETUP-SVM-24** through **SETUP-SVM-30**.
-
-*****************************
-Install OPNFV and Preparation
-*****************************
-
-**OPNFV-INSTALL-1**: To install pure OpenStack option of OPNFV Brahmaputra Release:
-
-.. code-block:: bash
-
- deploy --scenario os_odl-l2_ha
-
-**OPNFV-INSTALL-2**: Clone the following GitHub repository to get the
-configuration and metadata files
-
-.. code-block:: bash
-
- git clone https://github.com/sridhargaddam/opnfv_os_ipv6_poc.git /opt/stack/opnfv_os_ipv6_poc
-
-***************************************************
-Source the Credentials in OpenStack Controller Node
-***************************************************
-
-**SETUP-SVM-1**: Login in OpenStack Controller Node. Start a new terminal,
-and change directory to where OpenStack is installed.
-
-**SETUP-SVM-2**: Source the credentials.
-
-.. code-block:: bash
-
- source openrc admin demo
-
-**************************************
-Add External Connectivity to ``br-ex``
-**************************************
-
-In OpenStack Controller Node, ``eth1`` is configured to provide external/public connectivity
-for both IPv4 and IPv6 (optional). So let us add this interface to ``br-ex`` and move the IP address, including the
-default route from ``eth1`` to ``br-ex``.
-
-**SETUP-SVM-3**: Add ``eth1`` to ``br-ex`` and move the IP address and the default route from ``eth1`` to ``br-ex``
-
-.. code-block:: bash
-
- sudo ip addr del 198.59.156.113/24 dev eth1
- sudo ovs-vsctl add-port br-ex eth1
- sudo ifconfig eth1 up
- sudo ip addr add 198.59.156.113/24 dev br-ex
- sudo ifconfig br-ex up
- sudo ip route add default via 198.59.156.1 dev br-ex
-
-Please note that:
-
-* The IP address ``198.59.156.113`` and related subnet and gateway addressed in the command
- below are for exemplary purpose. **Please replace them with the IP addresses of your actual network**.
-* **This can be automated in /etc/network/interfaces**.
-
-**SETUP-SVM-4**: Verify that ``br-ex`` now has the original external IP address, and that the default route is on
-``br-ex``
-
-.. code-block:: bash
-
- $ ip a s br-ex
- 38: br-ex: <BROADCAST,UP,LOWER_UP> mtu 1430 qdisc noqueue state UNKNOWN group default
- link/ether 00:50:56:82:42:d1 brd ff:ff:ff:ff:ff:ff
- inet 198.59.156.113/24 brd 198.59.156.255 scope global br-ex
- valid_lft forever preferred_lft forever
- inet6 fe80::543e:28ff:fe70:4426/64 scope link
- valid_lft forever preferred_lft forever
- $
- $ ip route
- default via 198.59.156.1 dev br-ex
- 192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.10
- 192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
- 198.59.156.0/24 dev br-ex proto kernel scope link src 198.59.156.113
-
-Please note that The IP addresses above are exemplary purpose
-
-********************************************************
-Create IPv4 Subnet and Router with External Connectivity
-********************************************************
-
-**SETUP-SVM-5**: Create a Neutron router ``ipv4-router`` which needs to provide external connectivity.
-
-.. code-block:: bash
-
- neutron router-create ipv4-router
-
-**SETUP-SVM-6**: Create an external network/subnet ``ext-net`` using the appropriate values based on the
-data-center physical network setup.
-
-.. code-block:: bash
-
- neutron net-create --router:external ext-net
- neutron subnet-create --disable-dhcp --allocation-pool start=198.59.156.251,end=198.59.156.254 --gateway 198.59.156.1 ext-net 198.59.156.0/24
-
-Please note that the IP addresses in the command above are for exemplary purpose. **Please replace the IP addresses of
-your actual network**.
-
-**SETUP-SVM-7**: Associate the ``ext-net`` to the Neutron router ``ipv4-router``.
-
-.. code-block:: bash
-
- neutron router-gateway-set ipv4-router ext-net
-
-**SETUP-SVM-8**: Create an internal/tenant IPv4 network ``ipv4-int-network1``
-
-.. code-block:: bash
-
- neutron net-create ipv4-int-network1
-
-**SETUP-SVM-9**: Create an IPv4 subnet ``ipv4-int-subnet1`` in the internal network ``ipv4-int-network1``
-
-.. code-block:: bash
-
- neutron subnet-create --name ipv4-int-subnet1 --dns-nameserver 8.8.8.8 ipv4-int-network1 20.0.0.0/24
-
-**SETUP-SVM-10**: Associate the IPv4 internal subnet ``ipv4-int-subnet1`` to the Neutron router ``ipv4-router``.
-
-.. code-block:: bash
-
- neutron router-interface-add ipv4-router ipv4-int-subnet1
-
-********************************************************
-Create IPv6 Subnet and Router with External Connectivity
-********************************************************
-
-Now, let us create a second neutron router where we can "manually" spawn a ``radvd`` daemon to simulate an external
-IPv6 router.
-
-**SETUP-SVM-11**: Create a second Neutron router ``ipv6-router`` which needs to provide external connectivity
-
-.. code-block:: bash
-
- neutron router-create ipv6-router
-
-**SETUP-SVM-12**: Associate the ``ext-net`` to the Neutron router ``ipv6-router``
-
-.. code-block:: bash
-
- neutron router-gateway-set ipv6-router ext-net
-
-**SETUP-SVM-13**: Create a second internal/tenant IPv4 network ``ipv4-int-network2``
-
-.. code-block:: bash
-
- neutron net-create ipv4-int-network2
-
-**SETUP-SVM-14**: Create an IPv4 subnet ``ipv4-int-subnet2`` for the ``ipv6-router`` internal network
-``ipv4-int-network2``
-
-.. code-block:: bash
-
- neutron subnet-create --name ipv4-int-subnet2 --dns-nameserver 8.8.8.8 ipv4-int-network2 10.0.0.0/24
-
-**SETUP-SVM-15**: Associate the IPv4 internal subnet ``ipv4-int-subnet2`` to the Neutron router ``ipv6-router``.
-
-.. code-block:: bash
-
- neutron router-interface-add ipv6-router ipv4-int-subnet2
-
-**************************************************
-Prepare Image, Metadata and Keypair for Service VM
-**************************************************
-
-**SETUP-SVM-16**: Download ``fedora22`` image which would be used as ``vRouter``
-
-.. code-block:: bash
-
- glance image-create --name 'Fedora22' --disk-format qcow2 --container-format bare --is-public true --copy-from https://download.fedoraproject.org/pub/fedora/linux/releases/22/Cloud/x86_64/Images/Fedora-Cloud-Base-22-20150521.x86_64.qcow2
-
-**SETUP-SVM-17**: Create a keypair
-
-.. code-block:: bash
-
- nova keypair-add vRouterKey > ~/vRouterKey
-
-**SETUP-SVM-18**: Create ports for ``vRouter`` and both the VMs with some specific MAC addresses.
-
-.. code-block:: bash
-
- neutron port-create --name eth0-vRouter --mac-address fa:16:3e:11:11:11 ipv4-int-network2
- neutron port-create --name eth1-vRouter --mac-address fa:16:3e:22:22:22 ipv4-int-network1
- neutron port-create --name eth0-VM1 --mac-address fa:16:3e:33:33:33 ipv4-int-network1
- neutron port-create --name eth0-VM2 --mac-address fa:16:3e:44:44:44 ipv4-int-network1
-
-**********************************************************************************************************
-Boot Service VM (``vRouter``) with ``eth0`` on ``ipv4-int-network2`` and ``eth1`` on ``ipv4-int-network1``
-**********************************************************************************************************
-
-Let us boot the service VM (``vRouter``) with ``eth0`` interface on ``ipv4-int-network2`` connecting to ``ipv6-router``,
-and ``eth1`` interface on ``ipv4-int-network1`` connecting to ``ipv4-router``.
-
-**SETUP-SVM-19**: Boot the ``vRouter`` using ``Fedora22`` image on the OpenStack Compute Node with hostname
-``opnfv-os-compute``
-
-.. code-block:: bash
-
- nova boot --image Fedora22 --flavor m1.small --user-data /opt/stack/opnfv_os_ipv6_poc/metadata.txt --availability-zone nova:opnfv-os-compute --nic port-id=$(neutron port-list | grep -w eth0-vRouter | awk '{print $2}') --nic port-id=$(neutron port-list | grep -w eth1-vRouter | awk '{print $2}') --key-name vRouterKey vRouter
-
-Please **note** that ``/opt/stack/opnfv_os_ipv6_poc/metadata.txt`` is used to enable the ``vRouter`` to automatically
-spawn a ``radvd``, and
-
-* Act as an IPv6 vRouter which advertises the RA (Router Advertisements) with prefix
- ``2001:db8:0:2::/64`` on its internal interface (``eth1``).
-* Forward IPv6 traffic from internal interface (``eth1``)
-
-**SETUP-SVM-20**: Verify that ``Fedora22`` image boots up successfully and vRouter has ``ssh`` keys properly injected
-
-.. code-block:: bash
-
- nova list
- nova console-log vRouter
-
-Please note that **it may take a few minutes** for the necessary packages to get installed and ``ssh`` keys
-to be injected.
-
-.. code-block:: bash
-
- # Sample Output
- [ 762.884523] cloud-init[871]: ec2: #############################################################
- [ 762.909634] cloud-init[871]: ec2: -----BEGIN SSH HOST KEY FINGERPRINTS-----
- [ 762.931626] cloud-init[871]: ec2: 2048 e3:dc:3d:4a:bc:b6:b0:77:75:a1:70:a3:d0:2a:47:a9 (RSA)
- [ 762.957380] cloud-init[871]: ec2: -----END SSH HOST KEY FINGERPRINTS-----
- [ 762.979554] cloud-init[871]: ec2: #############################################################
-
-*******************************************
-Boot Two Other VMs in ``ipv4-int-network1``
-*******************************************
-
-In order to verify that the setup is working, let us create two cirros VMs with ``eth1`` interface on the
-``ipv4-int-network1``, i.e., connecting to ``vRouter`` ``eth1`` interface for internal network.
-
-We will have to configure appropriate ``mtu`` on the VMs' interface by taking into account the tunneling
-overhead and any physical switch requirements. If so, push the ``mtu`` to the VM either using ``dhcp``
-options or via ``meta-data``.
-
-**SETUP-SVM-21**: Create VM1 on OpenStack Controller Node with hostname ``opnfv-os-controller``
-
-.. code-block:: bash
-
- nova boot --image cirros-0.3.4-x86_64-uec --flavor m1.tiny --nic port-id=$(neutron port-list | grep -w eth0-VM1 | awk '{print $2}') --availability-zone nova:opnfv-os-controller --key-name vRouterKey --user-data /opt/stack/opnfv_os_ipv6_poc/set_mtu.sh VM1
-
-**SETUP-SVM-22**: Create VM2 on OpenStack Compute Node with hostname ``opnfv-os-compute``
-
-.. code-block:: bash
-
- nova boot --image cirros-0.3.4-x86_64-uec --flavor m1.tiny --nic port-id=$(neutron port-list | grep -w eth0-VM2 | awk '{print $2}') --availability-zone nova:opnfv-os-compute --key-name vRouterKey --user-data /opt/stack/opnfv_os_ipv6_poc/set_mtu.sh VM2
-
-**SETUP-SVM-23**: Confirm that both the VMs are successfully booted.
-
-.. code-block:: bash
-
- nova list
- nova console-log VM1
- nova console-log VM2
-
-**********************************
-Spawn ``RADVD`` in ``ipv6-router``
-**********************************
-
-Let us manually spawn a ``radvd`` daemon inside ``ipv6-router`` namespace to simulate an external router.
-First of all, we will have to identify the ``ipv6-router`` namespace and move to the namespace.
-
-Please **NOTE** that in case of HA (High Availability) deployment model where multiple controller
-nodes are used, ``ipv6-router`` created in step **SETUP-SVM-11** could be in any of the controller
-node. Thus you need to identify in which controller node ``ipv6-router`` is created in order to manually
-spawn ``radvd`` daemon inside the ``ipv6-router`` namespace in steps **SETUP-SVM-24** through
-**SETUP-SVM-30**. The following command in Neutron will display the controller on which the
-``ipv6-router`` is spawned.
-
-.. code-block:: bash
-
- neutron l3-agent-list-hosting-router ipv6-router
-
-Then you login to that controller and execute steps **SETUP-SVM-24**
-through **SETUP-SVM-30**
-
-**SETUP-SVM-24**: identify the ``ipv6-router`` namespace and move to the namespace
-
-.. code-block:: bash
-
- sudo ip netns exec qrouter-$(neutron router-list | grep -w ipv6-router | awk '{print $2}') bash
-
-**SETUP-SVM-25**: Upon successful execution of the above command, you will be in the router namespace.
-Now let us configure the IPv6 address on the <qr-xxx> interface.
-
-.. code-block:: bash
-
- export router_interface=$(ip a s | grep -w "global qr-*" | awk '{print $7}')
- ip -6 addr add 2001:db8:0:1::1 dev $router_interface
-
-**SETUP-SVM-26**: Update the sample file ``/opt/stack/opnfv_os_ipv6_poc/scenario2/radvd.conf``
-with ``$router_interface``.
-
-.. code-block:: bash
-
- cp /opt/stack/opnfv_os_ipv6_poc/scenario2/radvd.conf /tmp/radvd.$router_interface.conf
- sed -i 's/$router_interface/'$router_interface'/g' /tmp/radvd.$router_interface.conf
-
-**SETUP-SVM-27**: Spawn a ``radvd`` daemon to simulate an external router. This ``radvd`` daemon advertises an IPv6
-subnet prefix of ``2001:db8:0:1::/64`` using RA (Router Advertisement) on its $router_interface so that ``eth0``
-interface of ``vRouter`` automatically configures an IPv6 SLAAC address.
-
-.. code-block:: bash
-
- $radvd -C /tmp/radvd.$router_interface.conf -p /tmp/br-ex.pid.radvd -m syslog
-
-**SETUP-SVM-28**: Add an IPv6 downstream route pointing to the ``eth0`` interface of vRouter.
-
-.. code-block:: bash
-
- ip -6 route add 2001:db8:0:2::/64 via 2001:db8:0:1:f816:3eff:fe11:1111
-
-**SETUP-SVM-29**: The routing table should now look similar to something shown below.
-
-.. code-block:: bash
-
- ip -6 route show
- 2001:db8:0:1::1 dev qr-42968b9e-62 proto kernel metric 256
- 2001:db8:0:1::/64 dev qr-42968b9e-62 proto kernel metric 256 expires 86384sec
- 2001:db8:0:2::/64 via 2001:db8:0:1:f816:3eff:fe11:1111 dev qr-42968b9e-62 proto ra metric 1024 expires 29sec
- fe80::/64 dev qg-3736e0c7-7c proto kernel metric 256
- fe80::/64 dev qr-42968b9e-62 proto kernel metric 256
-
-**SETUP-SVM-30**: If all goes well, the IPv6 addresses assigned to the VMs would be as shown as follows:
-
-.. code-block:: bash
-
- vRouter eth0 interface would have the following IPv6 address: 2001:db8:0:1:f816:3eff:fe11:1111/64
- vRouter eth1 interface would have the following IPv6 address: 2001:db8:0:2::1/64
- VM1 would have the following IPv6 address: 2001:db8:0:2:f816:3eff:fe33:3333/64
- VM2 would have the following IPv6 address: 2001:db8:0:2:f816:3eff:fe44:4444/64
-
-********************************
-Testing to Verify Setup Complete
-********************************
-
-Now, let us ``ssh`` to one of the VMs, e.g. VM1, to confirm that it has successfully configured the IPv6 address
-using ``SLAAC`` with prefix ``2001:db8:0:2::/64`` from ``vRouter``.
-
-Please note that you need to get the IPv4 address associated to VM1. This can be inferred from ``nova list`` command.
-
-**SETUP-SVM-31**: ``ssh`` VM1
-
-.. code-block:: bash
-
- ssh -i /home/odl/vRouterKey cirros@<VM1-IPv4-address>
-
-If everything goes well, ``ssh`` will be successful and you will be logged into VM1. Run some commands to verify
-that IPv6 addresses are configured on ``eth0`` interface.
-
-**SETUP-SVM-32**: Show an IPv6 address with a prefix of ``2001:db8:0:2::/64``
-
-.. code-block:: bash
-
- ip address show
-
-**SETUP-SVM-33**: ping some external IPv6 address, e.g. ``ipv6-router``
-
-.. code-block:: bash
-
- ping6 2001:db8:0:1::1
-
-If the above ping6 command succeeds, it implies that ``vRouter`` was able to successfully forward the IPv6 traffic
-to reach external ``ipv6-router``.
-
-**SETUP-SVM-34**: When all tests show that the setup works as expected, You can now exit the ``ipv6-router`` namespace.
-
-.. code-block:: bash
-
- exit
-
-**********
-Next Steps
-**********
-
-Congratulations, you have completed the setup of using a service VM to act as an IPv6 vRouter. This setup allows further
-open innovation by any 3rd-party. Please refer to relevant sections in User's Guide for further value-added services on
-this IPv6 vRouter.
-