werwew 发表于 2016-7-26 09:05:33

openstack部署实战第2版之Open vSwitch

本文是openstack部署实战第2版的实验手册,环境是阿里云上的,系统用得是centos7.2。

Open vSwitch    开放的软件虚拟机交换机

安装步骤

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# uname -r
3.10.0-327.22.2.el7.x86_64
# cat /etc/redhat-release
CentOS Linux release 7.2.1511 (Core)
yum -y install wget openssl-devel kernel-devel
yum groupinstall "Development Tools"
# adduser ovswitch
# su - ovswitch
$wget http://openvswitch.org/releases/openvswitch-2.5.0.tar.gz
$ tar zxvf openvswitch-2.5.0.tar.gz
$ mkdir -p ~/rpmbuild/SOURCES
$ sed 's/openvswitch-kmod, //g' openvswitch-2.5.0/rhel/openvswitch.spec > openvswitch-2.5.0/rhel/openvswitch_no_kmod.spec
$ cp openvswitch-2.5.0.tar.gzrpmbuild/SOURCES/
$ rpmbuild -bb --without check ~/openvswitch-2.5.0/rhel/openvswitch_no_kmod.spec
$ exit
# yum localinstall /home/ovswitch/rpmbuild/RPMS/x86_64/openvswitch-2.5.0-1.x86_64.rpm
# systemctlstart openvswitch.service
# systemctlstatus openvswitch.service -l
# chkconfigopenvswitchon





测试网桥

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systemctl stop NetworkManager.service
systemctl disable NetworkManager.service
ovs-vsctl add-brbr0
ovs-vsctl add-port br0 eth1
ovs-vsctl show
d8fb371e-5b17-40af-a358-9a207b4e44e0
    Bridge "br0"
      Port "br0"
            Interface "br0"
                type: internal
      Port "eth1"
            Interface "eth1"
    ovs_version: "2.5.0"




##修改前


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# cat /etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1
ONBOOT=yes
BOOTPROTO=static
IPADDR=115.29.107.17
NETMASK=255.255.252.0




##修改后

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# cat /etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1
DEVICETYPE=ovs
TYPE=OVSPort
OVS_BRIDGE=br0
ONBOOT=yes
BOOTPROTO=nono
# cat /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE=br0
DEVICETYPE=ovs
TYPE=OVSBridge
ONBOOT=yes
BOOTPROTO=none
IPADDR=115.29.107.17
NETMASK=255.255.252.0




重启

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# systemctl restart network.service
# /etc/init.d/openvswitch restart    ##可以用外网连接了




重启后,还是可以生效的


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