openstack/openstack-manuals
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17fc8c8a8b829cab8c64470d3058137a102ed315
openstack-manuals/doc/install-guide/section_neutron-ml2-controller-node.xml
Matt Kassawara 17fc8c8a8b Release candidate updates for Networking chapter 
As part of the installation guide improvement project, I performed
the following operations on the Networking chapter:

1) Moved Neutron ML2 sections before OVS sections and updated
   associated notes to steer users toward ML2.
2) Removed database population steps because Neutron populates the
   database at first run.
3) Moved 'enable_security_group' key to [securitygroup] section.
4) Removed extraneous colons from procedure titles.
5) Added command output to Neutron initial networks section.
6) Added command output to Nova initial networks section.

Change-Id: Ie677d199d2c64ef2a564eaa551295e1a321db02c
Partial-Bug: #1291071
Implements: blueprint networking-install-guide-improvements
2014-04-10 21:16:47 -06:00

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<?xml version="1.0" encoding="UTF-8"?>
<section xml:id="neutron-ml2-controller-node"
xmlns="http://docbook.org/ns/docbook"
xmlns:xi="http://www.w3.org/2001/XInclude"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns:html="http://www.w3.org/1999/xhtml" version="5.0">
<title>Configure controller node</title>
<procedure os="ubuntu;rhel;centos;fedora;sles;opensuse">
<title>Prerequisites</title>
<para os="rhel;centos;fedora;sles;opensuse">Before you configure
Networking, you must create Identity service credentials including a
user and service.</para>
<para os="ubuntu">Before you configure Networking, you must create a
database and Identity service credentials including a user and
service.</para>
<step os="ubuntu">
<para>Connect to the database as the root user, create the
<literal>neutron</literal> database, and grant the proper
access to it:</para>
<para>Replace <replaceable>NEUTRON_DBPASS</replaceable> with a suitable
password.</para>
<screen><prompt>$</prompt> <userinput>mysql -u root -p</userinput>
<prompt>mysql></prompt> <userinput>CREATE DATABASE neutron;</userinput>
<prompt>mysql></prompt> <userinput>GRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'localhost' \
IDENTIFIED BY '<replaceable>NEUTRON_DBPASS</replaceable>';</userinput>
<prompt>mysql></prompt> <userinput>GRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'%' \
IDENTIFIED BY '<replaceable>NEUTRON_DBPASS</replaceable>';</userinput></screen>
</step>
<step>
<para>Create Identity service credentials for Networking:</para>
<substeps>
<step>
<para>Create the <literal>neutron</literal> user:</para>
<para>Replace <replaceable>NEUTRON_PASS</replaceable> with a suitable
password and <replaceable>neutron@example.com</replaceable> with
a suitable e-mail address.</para>
<screen><prompt>$</prompt> <userinput>keystone user-create --name neutron --pass <replaceable>NEUTRON_PASS</replaceable> --email <replaceable>neutron@example.com</replaceable></userinput></screen>
</step>
<step>
<para>Link the <literal>neutron</literal> user to the
<literal>service</literal> tenant and <literal>admin</literal>
role:</para>
<screen><prompt>$</prompt> <userinput>keystone user-role-add --user neutron --tenant service --role admin</userinput></screen>
</step>
<step>
<para>Create the <literal>neutron</literal> service:</para>
<screen><prompt>$</prompt> <userinput>keystone service-create --name neutron --type network --description "OpenStack Networking"</userinput></screen>
</step>
<step>
<para>Create the service endpoint:</para>
<screen><prompt>$</prompt> <userinput>keystone endpoint-create \
--service-id $(keystone service-list | awk '/ network / {print $2}') \
--publicurl http://<replaceable>controller</replaceable>:9696 \
--adminurl http://<replaceable>controller</replaceable>:9696 \
--internalurl http://<replaceable>controller</replaceable>:9696</userinput></screen>
</step>
</substeps>
</step>
</procedure>
<procedure>
<title>To install the Networking components</title>
<step>
<screen os="ubuntu;debian"><prompt>#</prompt> <userinput>apt-get install neutron-server neutron-plugin-ml2</userinput></screen>
<screen os="rhel;centos;fedora"><prompt>#</prompt> <userinput>yum install openstack-neutron openstack-neutron-ml2</userinput></screen>
<screen os="sles;opensuse"><prompt>#</prompt> <userinput>zypper install openstack-neutron openstack-neutron-server</userinput></screen>
<note os="sles;opensuse">
<para>SUSE does not use a separate ML2 plug-in package.</para>
</note>
</step>
</procedure>
<procedure>
<title>To configure the Networking server component</title>
<para>The Networking server component configuration includes the database,
authentication mechanism, message broker, topology change notifier,
and plug-in.</para>
<step os="debian">
<para>Respond to prompts for
<link linkend="debconf-dbconfig-common">database management</link>,
<link linkend="debconf-keystone_authtoken">Identity service
credentials</link>,
<link linkend="debconf-api-endpoints">service endpoint
registration</link>, and
<link linkend="debconf-rabbitqm">message broker
credentials</link>.</para>
</step>
<step os="rhel;centos;fedora;sles;opensuse">
<para>Configure Networking to use the database:</para>
<para>Replace <replaceable>NEUTRON_DBPASS</replaceable> with a suitable
password.</para>
<screen><prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf database connection \
mysql://neutron:<replaceable>NEUTRON_DBPASS</replaceable>@<replaceable>controller</replaceable>/neutron</userinput></screen>
</step>
<step os="ubuntu">
<para>Configure Networking to use the database:</para>
<substeps>
<step>
<para>Edit the <filename>/etc/neutron/neutron.conf</filename>
file and add the following key to the
<literal>[database]</literal> section:</para>
<para>Replace <replaceable>NEUTRON_DBPASS</replaceable> with the
password you chose for the database.</para>
<programlisting language="ini">[database]
...
connection = mysql://neutron:<replaceable>NEUTRON_DBPASS</replaceable>@<replaceable>controller</replaceable>/neutron</programlisting>
</step>
</substeps>
</step>
<step os="rhel;centos;fedora;sles;opensuse">
<para>Configure Networking to use the Identity service for
authentication:</para>
<para>Replace <replaceable>NEUTRON_PASS</replaceable> with the
password you chose for the <literal>neutron</literal> user
in the Identity service.</para>
<screen><prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
auth_strategy keystone</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf keystone_authtoken \
auth_uri http://<replaceable>controller</replaceable>:5000</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf keystone_authtoken \
auth_host <replaceable>controller</replaceable></userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf keystone_authtoken \
auth_protocol http</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf keystone_authtoken \
auth_port 35357</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf keystone_authtoken \
admin_tenant_name service</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf keystone_authtoken \
admin_user neutron</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf keystone_authtoken \
admin_password <replaceable>NEUTRON_PASS</replaceable></userinput></screen>
</step>
<step os="ubuntu">
<para>Configure Networking to use the Identity service for
authentication:</para>
<substeps>
<step>
<para>Edit the <filename>/etc/neutron/neutron.conf</filename>
file and add the following key to the
<literal>[DEFAULT]</literal> section:</para>
<programlisting language="ini">[DEFAULT]
...
auth_strategy = keystone</programlisting>
<para>Add the following keys to the
<literal>[keystone_authtoken]</literal> section:</para>
<para>Replace <replaceable>NEUTRON_PASS</replaceable> with the
password you chose for the <literal>neutron</literal> user
in the Identity service.</para>
<programlisting language="ini">[keystone_authtoken]
...
auth_uri = http://<replaceable>controller</replaceable>:5000
auth_host = <replaceable>controller</replaceable>
auth_protocol = http
auth_port = 35357
admin_tenant_name = service
admin_user = neutron
admin_password = <replaceable>NEUTRON_PASS</replaceable></programlisting>
</step>
</substeps>
</step>
<step os="sles;opensuse">
<para>Configure Networking to use the message broker:</para>
<para>Replace <replaceable>RABBIT_PASS</replaceable> with the password
you chose for the <literal>guest</literal> account in
<application>RabbitMQ</application>.</para>
<screen><prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
rpc_backend neutron.openstack.common.rpc.impl_kombu</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
rabbit_host controller</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
rabbit_userid guest</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
rabbit_password <replaceable>RABBIT_PASS</replaceable></userinput></screen>
</step>
<step os="rhel;centos;fedora">
<para>Configure Networking to use the message broker:</para>
<screen><prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
rpc_backend neutron.openstack.common.rpc.impl_qpid</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
qpid_hostname <replaceable>controller</replaceable></userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
qpid_port 5672</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
qpid_username <replaceable>guest</replaceable></userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
qpid_password <replaceable>guest</replaceable></userinput></screen>
</step>
<step os="ubuntu">
<para>Configure Networking to use the message broker:</para>
<substeps>
<step>
<para>Edit the <filename>/etc/neutron/neutron.conf</filename> file
and add the following keys to the <literal>[DEFAULT]</literal>
section:</para>
<para>Replace <replaceable>RABBIT_PASS</replaceable> with the
password you chose for the <literal>guest</literal> account in
<application>RabbitMQ</application>.</para>
<programlisting language="ini">[DEFAULT]
...
rpc_backend = neutron.openstack.common.rpc.impl_kombu
rabbit_host = <replaceable>controller</replaceable>
rabbit_password = <replaceable>RABBIT_PASS</replaceable></programlisting>
</step>
</substeps>
</step>
<step os="rhel;centos;fedora;sles;opensuse">
<para>Configure Networking to notify Compute about network topology
changes:</para>
<para>Replace <replaceable>SERVICE_TENANT_ID</replaceable> with the
<literal>service</literal> tenant identifier (id) in the Identity
service and <replaceable>NOVA_PASS</replaceable> with the password
you chose for the <literal>nova</literal> user in the Identity
service.</para>
<screen><prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
notify_nova_on_port_status_changes True</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
notify_nova_on_port_data_changes True</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
nova_url http://<replaceable>controller</replaceable>:8774/v2</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
nova_admin_username nova</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
nova_admin_tenant_id <replaceable>SERVICE_TENANT_ID</replaceable></userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
nova_admin_password <replaceable>NOVA_PASS</replaceable></userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
nova_admin_auth_url http://<replaceable>controller</replaceable>:35357/v2.0</userinput></screen>
<note>
<para>To obtain the <literal>service</literal> tenant
identifier (id):</para>
<screen><prompt>$</prompt> <userinput>source admin-openrc.sh</userinput>
<prompt>$</prompt> <userinput>keystone tenant-get service</userinput>
<computeroutput>+-------------+----------------------------------+
| Property | Value |
+-------------+----------------------------------+
| description | Service Tenant |
| enabled | True |
| id | f727b5ec2ceb4d71bad86dfc414449bf |
| name | service |
+-------------+----------------------------------+</computeroutput></screen>
</note>
</step>
<step os="ubuntu;debian">
<para>Configure Networking to notify Compute about network topology
changes:</para>
<para>Replace <replaceable>SERVICE_TENANT_ID</replaceable> with the
<literal>service</literal> tenant identifier (id) in the Identity
service and <replaceable>NOVA_PASS</replaceable> with the password
you chose for the <literal>nova</literal> user in the Identity
service.</para>
<substeps>
<step>
<para>Edit the <filename>/etc/neutron/neutron.conf</filename> file
and add the following keys to the <literal>[DEFAULT]</literal>
section:</para>
<programlisting language="ini">[DEFAULT]
...
notify_nova_on_port_status_changes = True
notify_nova_on_port_data_changes = True
nova_url = http://<replaceable>controller</replaceable>:8774/v2
nova_admin_username = nova
nova_admin_tenant_id = <replaceable>SERVICE_TENANT_ID</replaceable>
nova_admin_password = <replaceable>NOVA_PASS</replaceable>
nova_admin_auth_url = http://<replaceable>controller</replaceable>:35357/v2.0</programlisting>
</step>
</substeps>
<note>
<para>To obtain the <literal>service</literal> tenant
identifier (id):</para>
<screen><prompt>$</prompt> <userinput>source admin-openrc.sh</userinput>
<prompt>$</prompt> <userinput>keystone tenant-get service</userinput>
<computeroutput>+-------------+----------------------------------+
| Property | Value |
+-------------+----------------------------------+
| description | Service Tenant |
| enabled | True |
| id | f727b5ec2ceb4d71bad86dfc414449bf |
| name | service |
+-------------+----------------------------------+</computeroutput></screen>
</note>
</step>
<step os="rhel;centos;fedora;sles;opensuse">
<para>Configure Networking to use the Modular Layer 2 (ML2) plug-in
and associated services:</para>
<screen><prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
core_plugin ml2</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/neutron.conf DEFAULT \
service_plugins router</userinput></screen>
<warning>
<para>You must comment out any lines in the
<literal>[service_providers]</literal> section.</para>
</warning>
<note>
<para>We recommend adding <literal>verbose = True</literal> to
the <literal>[DEFAULT]</literal> section in
<filename>/etc/neutron/neutron.conf</filename> to assist with
troubleshooting.</para>
</note>
</step>
<step os="ubuntu;debian">
<para>Configure Networking to use the Modular Layer 2 (ML2) plug-in
and associated services:</para>
<substeps>
<step>
<para>Edit the <filename>/etc/neutron/neutron.conf</filename> file
and add the following keys to the <literal>[DEFAULT]</literal>
section:</para>
<programlisting language="ini">[DEFAULT]
...
core_plugin = ml2
service_plugins = router
allow_overlapping_ips = True</programlisting>
</step>
</substeps>
<warning>
<para>You must comment out any lines in the
<literal>[service_providers]</literal> section.</para>
</warning>
<note>
<para>We recommend adding <literal>verbose = True</literal> to
the <literal>[DEFAULT]</literal> section in
<filename>/etc/neutron/neutron.conf</filename> to assist with
troubleshooting.</para>
</note>
</step>
</procedure>
<procedure>
<title>To configure the Modular Layer 2 (ML2) plug-in</title>
<para>The ML2 plug-in uses the Open vSwitch (OVS) mechanism (agent) to
build the virtual networking framework for instances. However, the
controller node does not need the OVS agent or service because it
does not handle instance network traffic.</para>
<step os="rhel;centos;fedora;sles;opensuse">
<para>Run the following commands:</para>
<screen><prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 \
type_drivers gre</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 \
tenant_network_types gre</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 \
mechanism_drivers openvswitch</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2_type_gre \
tunnel_id_ranges 1:1000</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini securitygroup \
firewall_driver neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini securitygroup \
enable_security_group True</userinput></screen>
</step>
<step os="ubuntu;debian">
<para>Edit the
<filename>/etc/neutron/plugins/ml2/ml2_conf.ini</filename>
file:</para>
<para>Add the following keys to the <literal>[ml2]</literal>
section:</para>
<programlisting language="ini">[ml2]
...
type_drivers = gre
tenant_network_types = gre
mechanism_drivers = openvswitch</programlisting>
<para>Add the following key to the
<literal>[ml2_type_gre]</literal> section:</para>
<programlisting language="ini">[ml2_type_gre]
...
tunnel_id_ranges = 1:1000</programlisting>
<para>Add the <literal>[securitygroup]</literal> section and the
following keys to it:</para>
<programlisting language="ini">[securitygroup]
...
firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
enable_security_group = True</programlisting>
</step>
</procedure>
<procedure>
<title>To configure Compute to use Networking</title>
<para>By default, most distributions configure Compute to use legacy
networking. You must reconfigure Compute to manage networks through
OpenStack Networking.</para>
<step os="rhel;centos;fedora;sles;opensuse">
<para>Run the following commands:</para>
<para>Replace <replaceable>NEUTRON_PASS</replaceable> with the
password you chose for the <literal>neutron</literal> user
in the Identity service.</para>
<screen><prompt>#</prompt> <userinput>openstack-config --set /etc/nova/nova.conf DEFAULT \
network_api_class nova.network.neutronv2.api.API</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/nova/nova.conf DEFAULT \
neutron_url http://<replaceable>controller</replaceable>:9696</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/nova/nova.conf DEFAULT \
neutron_auth_strategy keystone</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/nova/nova.conf DEFAULT \
neutron_admin_tenant_name service</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/nova/nova.conf DEFAULT \
neutron_admin_username neutron</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/nova/nova.conf DEFAULT \
neutron_admin_password <replaceable>NEUTRON_PASS</replaceable></userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/nova/nova.conf DEFAULT \
neutron_admin_auth_url http://<replaceable>controller</replaceable>:35357/v2.0</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/nova/nova.conf DEFAULT \
linuxnet_interface_driver nova.network.linux_net.LinuxOVSInterfaceDriver</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/nova/nova.conf DEFAULT \
firewall_driver nova.virt.firewall.NoopFirewallDriver</userinput>
<prompt>#</prompt> <userinput>openstack-config --set /etc/nova/nova.conf DEFAULT \
security_group_api neutron</userinput></screen>
<note>
<para>By default, Compute uses an internal firewall service. Since
Networking includes a firewall service, you must disable the
Compute firewall service by using the
<literal>nova.virt.firewall.NoopFirewallDriver</literal> firewall
driver.</para>
</note>
</step>
<step os="ubuntu;debian">
<para>Edit the <filename>/etc/nova/nova.conf</filename> and add the
following keys to the <literal>[DEFAULT]</literal> section:</para>
<para>Replace <replaceable>NEUTRON_PASS</replaceable> with the
password you chose for the <literal>neutron</literal> user
in the Identity service.</para>
<programlisting language="ini">[DEFAULT]
...
network_api_class = nova.network.neutronv2.api.API
neutron_url = http://<replaceable>controller</replaceable>:9696
neutron_auth_strategy = keystone
neutron_admin_tenant_name = service
neutron_admin_username = neutron
neutron_admin_password = <replaceable>NEUTRON_PASS</replaceable>
neutron_admin_auth_url = http://<replaceable>controller</replaceable>:35357/v2.0
linuxnet_interface_driver = nova.network.linux_net.LinuxOVSInterfaceDriver
firewall_driver = nova.virt.firewall.NoopFirewallDriver
security_group_api = neutron</programlisting>
<note>
<para>By default, Compute uses an internal firewall service. Since
Networking includes a firewall service, you must disable the
Compute firewall service by using the
<literal>nova.virt.firewall.NoopFirewallDriver</literal> firewall
driver.</para>
</note>
</step>
</procedure>
<procedure>
<title>To finalize installation</title>
<step os="rhel;centos;fedora">
<para>The Networking service initialization scripts expect a symbolic
link <filename>/etc/neutron/plugin.ini</filename> pointing to the
configuration file associated with your chosen plug-in. Using
ML2, for example, the symbolic link must point to
<filename>/etc/neutron/plugins/ml2/ml2_conf.ini</filename>.
If this symbolic link does not exist, create it using the
following commands:</para>
<screen><prompt>#</prompt> <userinput>cd /etc/neutron</userinput>
<prompt>#</prompt> <userinput>ln -s plugins/ml2/ml2_conf.ini plugin.ini</userinput></screen>
</step>
<step os="sles;opensuse">
<para>The Networking service initialization scripts expect the variable
<literal>NEUTRON_PLUGIN_CONF</literal> in file
<filename>/etc/sysconfig/neutron</filename> to reference the
configuration file associated with your chosen plug-in. Using
ML2, for example, edit the
<filename>/etc/sysconfig/neutron</filename> file and add the
following:</para>
<programlisting>NEUTRON_PLUGIN_CONF="/etc/neutron/plugins/ml2/ml2_conf.ini"</programlisting>
</step>
<step>
<para>Restart the Compute services:</para>
<screen os="rhel;centos;fedora;sles;opensuse"><prompt>#</prompt> <userinput>service openstack-nova-api restart</userinput>
<prompt>#</prompt> <userinput>service openstack-nova-scheduler restart</userinput>
<prompt>#</prompt> <userinput>service openstack-nova-conductor restart</userinput></screen>
<screen os="ubuntu;debian"><prompt>#</prompt> <userinput>service nova-api restart</userinput>
<prompt>#</prompt> <userinput>service nova-scheduler restart</userinput>
<prompt>#</prompt> <userinput>service nova-conductor restart</userinput></screen>
</step>
<step os="rhel;centos;fedora;sles;opensuse">
<para>Start the Networking service and configure it to start when the
system boots:</para>
<screen os="rhel;centos;fedora"><prompt>#</prompt> <userinput>service neutron-server start</userinput>
<prompt>#</prompt> <userinput>chkconfig neutron-server on</userinput></screen>
<screen os="sles;opensuse"><prompt>#</prompt> <userinput>service openstack-neutron start</userinput>
<prompt>#</prompt> <userinput>chkconfig openstack-neutron on</userinput></screen>
</step>
<step os="ubuntu;debian">
<para>Restart the Networking service:</para>
<screen><prompt>#</prompt> <userinput>service neutron-server restart</userinput></screen>
</step>
</procedure>
</section>
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