LVS-IP TUN 简单配置

1.分发器配置
网络
ifconfig ens33 192.168.31.20
ifconfig ens33: 192.168.31.200
路由转发开启
echo 1 > /proc/sys/net/ipv4/ip_forward
配置LVS TUN模式
yum install -y ipvsadm
ipvsadm -A -t 192.168.31.200:80 -s rr
ipvsadm -a -t 192.168.31.200:80 -r 192.168.31.40 -i
ipvsadm -a -t 192.168.31.200:80 -r 192.168.31.50 -i
2.真实服务器
加载ipip模块与配置vip
modprobe ipip
ifconfig tunl0 192.168.31.200 netmask 255.255.255.255 up
关闭ARP转发
vim /etc/sysctl.conf
net.ipv4.conf.tunl0.arp_ignore = 1
net.ipv4.conf.tunl0.arp_announce = 2
net.ipv4.conf.all.arp_ignore = 1
net.ipv4.conf.all.arp_announce = 2
net.ipv4.conf.tunl0.rp_filter = 0
net.ipv4.conf.all.rp_filter = 0
sysctl -p