LVS负责均衡配置
lvs-nat准备工作
关闭iptables
关闭SElinux
Director
开启端口转发
vim /etc/sysctl.conf
net.ipv4.ip_forward = 1 确认是否开启
cat /proc/sys/net/ipv4/ip_forward 安装IPVSADM
yum -y install ipvsadm 添加集群服务
ipvsadm -A -t 192.168.177.69:80 -s wrr 添加集群上RS
ipvsadm -a -t 192.168.177.69:80 -r 192.168.152.141:80 -m -w1
ipvsadm -a -t 192.168.177.69:80 -r 192.168.152.142:80 -m -w2 RS1
安装HTTPD服务
编辑主页
vim /var/www/html/index.html
RS1 RS2
安装HTTPD服务
vim /var/www/html/index.html
RS2lvs-dr
Director,RS1,RS2均用单网卡即可
Director
在eno16777736添加secondary ip地址作为VIP
ifconfig eno16777736:0 192.168.177.70 netmask 255.255.255.255 broadcast 192.168.177.70 RS1
限制内核参数禁止arp宣告和响应
echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore
echo 1 > /proc/sys/net/ipv4/conf/lo/arp_ignore
echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce
echo 2 > /proc/sys/net/ipv4/conf/lo/arp_announce 为lo接口添加VIP
ifconfig lo:0 192.168.177.70 netmask 255.255.255.255 broadcast 192.168.177.70 添加到达192.168.177.70的路由转发
route add -host 192.168.177.70 dev lo:0 RS2设置与RS1相同
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