（存档的时间长了，没有仔细核对，记录仅供备份）

#添加虚拟服务
ipvsadm -A -t 9.30.2.201:15027 -s wrr
#添加RS服务（
ipvsadm -a -t 9.30.2.201:15027 -r 9.30.2.199:15027 -g -w 3
#修改虚拟服务
ipvsadm -E -t 10.58.89.140:15515 -s rr
#删除所有
ipvsadmin -C

# DR配置
1、director
echo 1 > /proc/sys/net/ipv4/ip_forward
ifconfig eth1:0 down
ifconfig eth1:0 9.30.2.201 broadcast 9.30.2.201 netmask 255.255.255.255 up
route add -host 9.30.2.201 dev eth1:0
ipvsadm -C
ipvsadm -A -t 9.30.2.201:15027 -s wrr
ipvsadm -a -t 9.30.2.201:15027 -r 9.30.2.199:15027 -g -w 3

2、rs
ifconfig lo:0 9.30.2.201 broadcast 9.30.2.201 netmask 255.255.255.255 up
route add -host 9.30.2.201 lo:0
echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignore
echo "2" >/proc/sys/net/ipv4/conf/lo/arp_announce
echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore
echo "2" >/proc/sys/net/ipv4/conf/all/arp_announce

DR恢复
1、director
echo 0 > /proc/sys/net/ipv4/ip_forward
2、rs

# 删除tunl0
modprobe -r ipip
lsmod