可直接复制进配置文件/etc/sysctl.conf

#ARP
net.ipv4.conf.all.arp_ignore=1
net.ipv4.conf.default.arp_ignore=1
net.ipv4.conf.lo.arp_ignore=1

net.ipv4.conf.all.arp_announce=2
net.ipv4.conf.default.arp_announce=2
net.ipv4.conf.lo.arp_announce=2

使用途径：搭建LVS_DR 模型