通过IP隧道实现虚拟服务器(VS/TUN)
实验环境:
Server1(调度器):eth0:172.25.81.1/24 tunl0:172.25.81.100/24
Realserver:
Server2(服务器):eth0:172.25.81.2 tunl0:172.25.81.100/24
Server3(服务器):eth0:172.25.81.3 tunl0:172.25.81.100/24
Client:172.25.81.250
server1设置
server2设置(2,3设置相同)
10 modprobe ipip
11 ip link set up tunl0
12 ip addr add 172.25.81.100/24 dev tunl0
13 /etc/init.d/arptables_jf start
14 sysctl -w net.ipv4.conf.tunl0.rp_filter=0
15 arptables -A IN -d 172.25.81.100 -j DROP
16 arptables -A OUT -s 172.25.81.100 -j mangle --mangle-ip-s 172.25.81.3
17 /etc/init.d/arptables_jf save
3client