[root@proxy ~]# yum -y install ipvsadm [root@proxy ~]# ipvsadm -A -t 192.168.4.5:80 -s wrr
[root@proxy ~]# ipvsadm -a -t 192.168.4.5:80 -r 192.168.2.100 -w 1 -m [root@proxy ~]# ipvsadm -a -t 192.168.4.5:80 -r 192.168.2.200 -w 1 -m
查看规则列表，并保存规则
[root@proxy ~]# ipvsadm -Ln
[root@proxy ~]# ipvsadm-save -n > /etc/sysconfig/ipvsadm
原文：https://www.cnblogs.com/ray-mmss/p/10190484.html