配置ens33网卡
[root@lynn-04 ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens33
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=ens33
DEVICE=ens33
ONBOOT=yes
IPADDR=192.168.130.116
NETMASK=255.255.255.0
GATEWAY=192.168.130.2
DNS1=119.29.29.29
启动nginx 这里nginx是自定义安装的启动文件时自己设置的
[root@lynn-04 ~]# /etc/init.d/nginx start
[root@lynn-04 ~]# ps aux |grep nginx
root 912 0.0 0.1 45988 1240 ? Ss 08:06 0:00 nginx: master process /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
nobody 913 0.0 0.4 48476 4388 ? S 08:06 0:00 nginx: worker process
nobody 915 0.0 0.4 48476 4392 ? S 08:06 0:00 nginx: worker process
root 2072 0.0 0.0 112680 980 pts/0 S+ 10:23 0:00 grep --color=auto nginx
写/usr/local/sbin/lvs_dr.sh脚本
[root@lynn-04 ~]# vim /usr/local/sbin/lvs_dr.sh
#! /bin/bash
echo 1 > /proc/sys/net/ipv4/ip_forward
ipv=/usr/sbin/ipvsadm
vip=192.168.130.100
rs1=192.168.130.118
rs2=192.168.130.128
#注意这里的网卡名字
ifdown ens33
ifup ens33
ifconfig ens33:2 $vip broadcast $vip netmask 255.255.255.255 up
route add -host $vip dev ens33:2
$ipv -C
$ipv -A -t $vip:80 -s rr
$ipv -a -t $vip:80 -r $rs1:80 -g -w 1
$ipv -a -t $vip:80 -r $rs2:80 -g -w 1
执行/usr/local/sbin/lvs_dr.sh脚本
[root@lynn-04 ~]# sh /usr/local/sbin/lvs_dr.sh
成功断开设备 ‘ens33‘。
连接已成功激活(D-Bus 活动路径:/org/freedesktop/NetworkManager/ActiveConnection/2)
配置ens33网卡
[root@lynn-05 ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens33
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=ens33
DEVICE=ens33
ONBOOT=yes
IPADDR=192.168.130.118
NETMASK=255.255.255.0
GATEWAY=192.168.130.2
DNS1=119.29.29.29
启动nginx yum安装的nginx
[root@lynn-05 ~]# systemctl start nginx
[root@lynn-05 ~]# ps aux |grep nginx
root 1885 0.0 0.2 122908 2240 ? Ss 10:19 0:00 nginx: master process /usr/sbin/nginx
nginx 1886 0.2 0.3 123292 3140 ? S 10:19 0:00 nginx: worker process
nginx 1887 0.2 0.3 123292 3140 ? S 10:19 0:00 nginx: worker process
nginx 1888 0.1 0.3 123292 3140 ? S 10:19 0:00 nginx: worker process
nginx 1889 0.0 0.3 123292 3140 ? S 10:19 0:00 nginx: worker process
root 1891 0.0 0.0 112676 980 pts/0 S+ 10:19 0:00 grep --color=auto nginx
写/usr/local/sbin/lvs_rs.sh脚本
[root@lynn-05 ~]# vim /usr/local/sbin/lvs_rs.sh
#/bin/bash
vip=192.168.130.100
#把vip绑定在lo上,是为了实现rs直接把结果返回给客户端
ifdown lo
ifup lo
ifconfig lo:0 $vip broadcast $vip netmask 255.255.255.255 up
route add -host $vip lo:0
#以下操作为更改arp内核参数,目的是为了让rs顺利发送mac地址给客户端
#参考文档www.cnblogs.com/lgfeng/archive/2012/10/16/2726308.html
echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignore
echo "2" >/proc/sys/net/ipv4/conf/lo/arp_announce
echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore
echo "2" >/proc/sys/net/ipv4/conf/all/arp_announce
执行/usr/local/sbin/lvs_rs.sh脚本
[root@lynn-05 ~]# sh /usr/local/sbin/lvs_rs.sh
配置ens33网卡
[root@lynn-06 ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens33
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=ens33
UUID=fef8a686-6a1e-49bc-b03e-7797fc4c58bb
DEVICE=ens33
ONBOOT=yes
IPADDR=192.168.130.128
NETMASK=255.255.255.0
GATEWAY=192.168.130.2
DNS1=119.29.29.29
启动nginx yum安装的nginx
[root@lynn-06 ~]# systemctl start nginx
[root@lynn-06 ~]# ps aux |grep nginx
root 1326 0.0 0.2 122908 2240 ? Ss 10:19 0:00 nginx: master process /usr/sbin/nginx
nginx 1327 0.0 0.3 123292 3140 ? S 10:19 0:00 nginx: worker process
nginx 1328 0.0 0.3 123292 3140 ? S 10:19 0:00 nginx: worker process
nginx 1329 0.0 0.3 123292 3140 ? S 10:19 0:00 nginx: worker process
nginx 1330 0.0 0.3 123292 3140 ? S 10:19 0:00 nginx: worker process
root 1332 0.0 0.0 112676 984 pts/0 S+ 10:19 0:00 grep --color=auto nginx
写/usr/local/sbin/lvs_rs.sh脚本
[root@lynn-06 ~]# vim /usr/local/sbin/lvs_rs.sh
#/bin/bash
vip=192.168.130.100
#把vip绑定在lo上,是为了实现rs直接把结果返回给客户端
ifdown lo
ifup lo
ifconfig lo:0 $vip broadcast $vip netmask 255.255.255.255 up
route add -host $vip lo:0
#以下操作为更改arp内核参数,目的是为了让rs顺利发送mac地址给客户端
#参考文档www.cnblogs.com/lgfeng/archive/2012/10/16/2726308.html
echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignore
echo "2" >/proc/sys/net/ipv4/conf/lo/arp_announce
echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore
echo "2" >/proc/sys/net/ipv4/conf/all/arp_announce
执行/usr/local/sbin/lvs_rs.sh脚本
[root@lynn-06 ~]# sh /usr/local/sbin/lvs_rs.sh
在以上三台服务器外的机器上测试
[root@lynn-02 ~]# curl 192.168.130.100
lynn-05
[root@lynn-02 ~]# curl 192.168.130.100
lynn-06
[root@lynn-02 ~]# curl 192.168.130.100
lynn-05
[root@lynn-02 ~]# curl 192.168.130.100
lynn-06
[root@lynn-02 ~]# curl 192.168.130.100
lynn-05
[root@lynn-02 ~]# curl 192.168.130.100
lynn-06
[root@lynn-02 ~]# curl 192.168.130.100
lynn-05
[root@lynn-02 ~]# curl 192.168.130.100
lynn-06
原文地址:http://blog.51cto.com/10963213/2096362