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authorBin Hu <bh526r@att.com>2016-01-06 15:43:35 -0800
committerBin Hu <bh526r@att.com>2016-01-06 15:43:35 -0800
commitc1762113c12b971753c35ce99f05d3d48dfa9eee (patch)
treecff98d546d0b5505e7253ac691d8c22ae7d2e930 /docs/setupservicevm/scenario-3-4-ipv6-configguide-servicevm.rst
parent790662554c2c9002b65235f4135493c6ecf3f69c (diff)
JIRA:IPVSIX-29
Change-Id: I08ab438d0d01de1badaba5df9e5fb82f067ef375 Signed-off-by: Bin Hu <bh526r@att.com>
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+==========================================
+Setting Up a Service VM as an IPv6 vRouter
+==========================================
+
+Now we can start to set up a service VM as an IPv6 vRouter. For exemplary purpose, we assume:
+
+* The hostname of Open Daylight Controller Node is ``opnfv-odl-controller``, and the host IP address is
+ ``192.168.0.30``
+* The hostname of OpenStack Controller Node is ``opnfv-os-controller``, and the host IP address
+ is ``192.168.0.10``
+* The hostname of OpenStack Compute Node is ``opnfv-os-compute``, and the host IP address is ``192.168.0.20``
+* We use ``opnfv`` as username to login.
+* We use ``devstack`` to install OpenStack Kilo, and the directory is ``~/devstack``
+* Note: all IP addresses as shown below are for exemplary purpose.
+
+**SCENARIO-3-SETUP-1**: Now we assume that OpenStack multi-node setup is up and running. The following
+commands should be executed:
+
+.. code-block:: bash
+
+ cd ~/devstack
+ source openrc admin demo
+
+**SCENARIO-3-SETUP-2**: Download ``fedora22`` image which would be used for ``vRouter``
+
+.. code-block:: bash
+
+ wget https://download.fedoraproject.org/pub/fedora/linux/releases/22/Cloud/x86_64/Images/Fedora-Cloud-Base-22-20150521.x86_64.qcow2
+
+**SCENARIO-3-SETUP-3**: Import Fedora22 image to ``glance``
+
+.. code-block:: bash
+
+ glance image-create --name 'Fedora22' --disk-format qcow2 --container-format bare --file ./Fedora-Cloud-Base-22-20150521.x86_64.qcow2
+
+**SCENARIO-3-SETUP-4**: Create Neutron routers ``ipv4-router`` and ``ipv6-router`` which need to provide external
+connectivity.
+
+.. code-block:: bash
+
+ neutron router-create ipv4-router
+ neutron router-create ipv6-router
+
+**SCENARIO-3-SETUP-5**: 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
+
+**SCENARIO-3-SETUP-6**: If your ``opnfv-os-controller`` node has two interfaces ``eth0`` and ``eth1``,
+and ``eth1`` is used for external connectivity, move the IP address of ``eth1`` to ``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**.
+
+.. 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
+ 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
+
+**SCENARIO-3-SETUP-7**: Verify that ``br-ex`` now has the original external IP address, and that the default route is on
+``br-ex``
+
+.. code-block:: bash
+
+ opnfv@opnfv-os-controller:~/devstack$ 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
+ opnfv@opnfv-os-controller:~/devstack$
+ opnfv@opnfv-os-controller:~/devstack$ 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.
+
+**SCENARIO-3-SETUP-8**: Create Neutron networks ``ipv4-int-network1`` and ``ipv6-int-network2``
+with port_security disabled
+
+.. code-block:: bash
+
+ neutron net-create --port_security_enabled=False ipv4-int-network1
+ neutron net-create --port_security_enabled=False ipv6-int-network2
+
+**SCENARIO-3-SETUP-9**: Create IPv4 subnet ``ipv4-int-subnet1`` in the internal network ``ipv4-int-network1``,
+and associate it to ``ipv4-router``.
+
+.. code-block:: bash
+
+ neutron subnet-create --name ipv4-int-subnet1 --dns-nameserver 8.8.8.8 ipv4-int-network1 20.0.0.0/24
+ neutron router-interface-add ipv4-router ipv4-int-subnet1
+
+**SCENARIO-3-SETUP-10**: Associate the ``ext-net`` to the Neutron routers ``ipv4-router`` and ``ipv6-router``.
+
+.. code-block:: bash
+
+ neutron router-gateway-set ipv4-router ext-net
+ neutron router-gateway-set ipv6-router ext-net
+
+**SCENARIO-3-SETUP-11**: Create two subnets, one IPv4 subnet ``ipv4-int-subnet2`` and one IPv6 subnet
+``ipv6-int-subnet2`` in ``ipv6-int-network2``, and associate both subnets to ``ipv6-router``
+
+.. code-block:: bash
+
+ neutron subnet-create --name ipv4-int-subnet2 --dns-nameserver 8.8.8.8 ipv6-int-network2 10.0.0.0/24
+ neutron subnet-create --name ipv6-int-subnet2 --ip-version 6 --ipv6-ra-mode slaac --ipv6-address-mode slaac ipv6-int-network2 2001:db8:0:1::/64
+ neutron router-interface-add ipv6-router ipv4-int-subnet2
+ neutron router-interface-add ipv6-router ipv6-int-subnet2
+
+**SCENARIO-3-SETUP-12**: Create a keypair
+
+.. code-block:: bash
+
+ nova keypair-add vRouterKey > ~/vRouterKey
+
+**SCENARIO-3-SETUP-13**: Create ports for vRouter (with some specific MAC address - basically for automation -
+to know the IPv6 addresses that would be assigned to the port).
+
+.. code-block:: bash
+
+ neutron port-create --name eth0-vRouter --mac-address fa:16:3e:11:11:11 ipv6-int-network2
+ neutron port-create --name eth1-vRouter --mac-address fa:16:3e:22:22:22 ipv4-int-network1
+
+**SCENARIO-3-SETUP-14**: Create ports for VM1 and VM2.
+
+.. code-block:: bash
+
+ 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
+
+**SCENARIO-3-SETUP-15**: Update ``ipv6-router`` with routing information to subnet ``2001:db8:0:2::/64``
+
+.. code-block:: bash
+
+ neutron router-update ipv6-router --routes type=dict list=true destination=2001:db8:0:2::/64,nexthop=2001:db8:0:1:f816:3eff:fe11:1111
+
+**SCENARIO-3-SETUP-16**: Boot Service VM (``vRouter``), VM1 and VM2
+
+.. 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 $2}') --key-name vRouterKey vRouter
+ nova list
+ nova console-log vRouter #Please wait for some 10 to 15 minutes so that necessary packages (like radvd) are installed and vRouter is up.
+ nova boot --image cirros-0.3.4-x86_64-uec --flavor m1.tiny --nic port-id=$(neutron port-list | grep -w eth0-VM1 | awk '{print $2}') --availability-zone nova:opnfv-os-controller --key-name vRouterKey --user-data /opt/stack/opnfv_os_ipv6_poc/set_mtu.sh VM1
+ nova boot --image cirros-0.3.4-x86_64-uec --flavor m1.tiny --nic port-id=$(neutron port-list | grep -w eth0-VM2 | awk '{print $2}') --availability-zone nova:opnfv-os-compute --key-name vRouterKey --user-data /opt/stack/opnfv_os_ipv6_poc/set_mtu.sh VM2
+ nova list # Verify that all the VMs are in ACTIVE state.
+
+**SCENARIO-3-SETUP-17**: If all goes well, the IPv6 addresses assigned to the VMs would be as shown as follows:
+
+.. code-block:: bash
+
+ vRouter eth0 interface would have the following IPv6 address: 2001:db8:0:1:f816:3eff:fe11:1111/64
+ vRouter eth1 interface would have the following IPv6 address: 2001:db8:0:2::1/64
+ VM1 would have the following IPv6 address: 2001:db8:0:2:f816:3eff:fe33:3333/64
+ VM2 would have the following IPv6 address: 2001:db8:0:2:f816:3eff:fe44:4444/64
+
+**SCENARIO-3-SETUP-18**: To ``SSH`` to vRouter, you can execute the following command.
+
+.. code-block:: bash
+
+ sudo ip netns exec qrouter-$(neutron router-list | grep -w ipv6-router | awk '{print $2}') ssh -i ~/vRouterKey fedora@2001:db8:0:1:f816:3eff:fe11:1111
+