1.yum -y install ipvsadm

2.创建虚拟服务器 ipvsadm -A -t 192.168.4.5:80 -s wrr

3.创建真实服务器 ipvsadm -a -t 192.168.4.5:80 -r 103.229.213.251

 ipvsadm -a -t 192.168.4.5:80 -r 163.53.170.121 -m

 ipvsadm -E -t 92.168.4.5:80 -s lc
 ipvsadm -e -t 192.168.4.5:80 -s lc

 ipvsadm -a -t 192.168.4.5:80 -r 163.53.170.121 -m -w 2

ipvsadm -d -t 192.168.4.5:80 -r 163.53.170.121

ipvsadm -D -t 192.168.4.5:80