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<h2 id="1">1.创建网络服务数据库</h2>
#mysql -uroot -p000000>create database neutron;> grant all privileges on neutron.* to 'neutron'@'localhost' identified by '000000';> grant all privileges on neutron.* to 'neutron'@'%' identified by '000000';
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<h2 id="2">2.获得 admin 凭证来获取只有管理员能执行的命令的访问权限</h2>
<h2 id="3">3.创建服务证书，neutron 用户</h2>
#openstack user create --domain default --password 000000 neutron#openstack role add --project service --user neutron admin#openstack service create --name neutron --description "OpenStack Networking" network
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<h2 id="4">4.创建网络服务 API 端点：</h2>
#openstack endpoint create --region RegionOne network public http://controller:9696#openstack endpoint create --region RegionOne network internal http://controller:9696#openstack endpoint create --region RegionOne network admin http://controller:9696
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<h2 id="5">5.Controller 节点安装并配置网络服务组件</h2>
#yum -y install openstack-neutron openstack-neutron-ml2 openstack-neutron-linuxbridge ebtables
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1.编辑配置文件 /etc/neutron/neutron.conf
#vi /etc/neutron/neutron.conf
在 [database] 部分，配置数据库访问：connection = mysql+pymysql://neutron:000000@controller/neutron
在``[DEFAULT]``部分，添加如下内容core_plugin = ml2service_plugins = routerallow_overlapping_ips = Truerpc_backend = rabbitauth_strategy = keystonenotify_nova_on_port_status_changes = Truenotify_nova_on_port_data_changes = True
在[oslo_messaging_rabbit]部分，配置 “RabbitMQ” 消息队列的连接：rabbit_host = controllerrabbit_userid = openstackrabbit_password = 000000
在[keystone_authtoken]部分，配置认证服务访问auth_uri = http://controller:5000auth_url = http://controller:35357memcached_servers = controller:11211auth_type = passwordproject_domain_name = defaultuser_domain_name = defaultproject_name = serviceusername = neutronpassword = 000000
在[nova]部分，配置网络服务来通知计算节点的网络拓扑变化：auth_url = http://controller:35357auth_type = passwordproject_domain_name = defaultuser_domain_name = defaultregion_name = RegionOneproject_name = serviceusername = novapassword = 000000
在 [oslo_concurrency] 部分，配置锁路径：lock_path = /var/lib/neutron/tmp
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2.编辑/etc/neutron/plugins/ml2/ml2_conf.ini文件，配置启用 flat，VLAN，GRE,LOCAL 以及 VXLAN 网络：
#vi /etc/neutron/plugins/ml2/ml2_conf.ini在[ml2]下添加type_drivers = flat,vlan,vxlan,gre,localtenant_network_types = vxlanmechanism_drivers = linuxbridge,l2populationextension_drivers = port_security
在 [ml2_type_flat] 部分，配置公共虚拟网络为flat网络flat_networks = provider
在 [ml2_type_vxlan] 部分，为私有网络配置VXLAN网络识别的网络范围：vni_ranges = 1:1000
在 [securitygroup] 部分，启用 ipset 增加安全组规则的高效性：enable_ipset = True
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3.配置 linuxbridge 代理，编辑文件/etc/neutron/plugins/ml2/linuxbridge_agent.ini
#vi /etc/neutron/plugins/ml2/linuxbridge_agent.ini
在 [linux_bridge] 部分，将公共虚拟网络和公共物理网络接口对应起来：physical_interface_mappings = provider:eth1 #注意，此处的eth1为基础环境配置中的200的网段 也就是 192.168.200.0/24
在 [vxlan] 部分，启用VXLAN覆盖网络，配置覆盖网络的物理网络接口的IP地址，启用layer－2 population：enable_vxlan = Truelocal_ip = 192.168.100.10 #这里的IP地址是controller的管理网络l2_population = True
在 [securitygroup] 部分，启用安全组并配置 Linuxbridge iptables firewall driver:enable_security_group = Truefirewall_driver = neutron.agent.linux.iptables_firewall.IptablesFirewallDriver
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4.配置 layer－3 代理，编辑文件/etc/neutron/l3_agent.ini
#vi /etc/neutron/l3_agent.ini
在[DEFAULT]下添加interface_driver = neutron.agent.linux.interface.BridgeInterfaceDriverexternal_network_bridge =
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5.配置 DHCP 代理编辑/etc/neutron/dhcp_agent.ini文件
#vi /etc/neutron/dhcp_agent.ini
在[DEFAULT]下添加interface_driver = neutron.agent.linux.interface.BridgeInterfaceDriverdhcp_driver = neutron.agent.linux.dhcp.Dnsmasqenable_isolated_metadata = True
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6.编辑/etc/neutron/metadata_agent.ini文件
#vi /etc/neutron/metadata_agent.ini在``[DEFAULT]`` 部分，配置元数据主机以及共享密码：nova_metadata_ip = controllermetadata_proxy_shared_secret = 000000
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7.编辑/etc/nova/nova.conf文件
#vi /etc/nova/nova.conf在``[neutron]``部分，配置访问参数，启用元数据代理并设置密码：url = http://controller:9696auth_url = http://controller:35357auth_type = passwordproject_domain_name = defaultuser_domain_name = defaultregion_name = RegionOneproject_name = serviceusername = neutronpassword = 000000service_metadata_proxy = Truemetadata_proxy_shared_secret = 000000
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<h2 id="6">6.网络服务初始化</h2>
# ln -s /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini
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<h2 id="7">7.同步数据库</h2>
# su -s /bin/sh -c "neutron-db-manage --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade head" neutron
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<h2 id="8">8.Controller 节点重启计算 API 服务</h2>
# systemctl restart openstack-nova-api.service
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<h2 id="9">9.启动网络服务并设置开机启动</h2>
#systemctl start neutron-server.service neutron-linuxbridge-agent.service neutron-dhcp-agent.service neutron-metadata-agent.service neutron-l3-agent.service#systemctl enable neutron-server.service neutron-linuxbridge-agent.service neutron-dhcp-agent.service neutron-metadata-agent.service neutron-l3-agent.service
<h2 id="10">10.Compute 节点安装并配置 neutron 服务</h2>
# yum -y install openstack-neutron-linuxbridge ebtables ipset
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1.编辑/etc/neutron/neutron.conf 文件
#vi /etc/neutron/neutron.conf
在 “[DEFAULT]” 下添加rpc_backend = rabbitauth_strategy = keystone
在[oslo_messaging_rabbit]下添加rabbit_host = controllerrabbit_userid = openstackrabbit_password = 000000
在[keystone_authtoken]下添加auth_uri = http://controller:5000auth_url = http://controller:35357memcached_servers = controller:11211auth_type = passwordproject_domain_name = defaultuser_domain_name = defaultproject_name = serviceusername = neutronpassword = 000000
在 [oslo_concurrency] 部分，配置锁路径：lock_path = /var/lib/neutron/tmp
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2.编辑/etc/neutron/plugins/ml2/linuxbridge_agent.ini文件
#vi /etc/neutron/plugins/ml2/linuxbridge_agent.ini
在 [linux_bridge] 部分,将公共虚拟网络和公共物理网络接口对应起来physical_interface_mappings = provider:eth1
在 [vxlan] 部分，启用VXLAN覆盖网络，配置覆盖网络的物理网络接口的IP地址，启用layer－2 population：enable_vxlan = Truelocal_ip = 192.168.100.20l2_population = True
在 [securitygroup] 部分，启用安全组并配置 Linuxbridge iptables firewall driver:enable_security_group = Truefirewall_driver = neutron.agent.linux.iptables_firewall.IptablesFirewallDriver
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3.编辑/etc/nova/nova.conf文件并完成下面的操作
#vi /etc/nova/nova.conf在[neutron]部分添加
url = http://controller:9696auth_url = http://controller:35357auth_type = passwordproject_domain_name = defaultuser_domain_name = defaultregion_name = RegionOneproject_name = serviceusername = neutronpassword = 000000
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<h2 id="11">11.compute 节点重启服务并设置开机自启</h2>
# systemctl restart openstack-nova-compute.service neutron-linuxbridge-agent.service# systemctl enable neutron-linuxbridge-agent.service
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<h2 id="12">12.验证（Controller 节点）</h2>
#. /root/admin-openrc#neutron ext-list#neutron agent-list
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