ipvsadm

查资料，顺便记录下

##服务端设置 192.1.6.1/24

root@c0:~# echo 1 > /proc/sys/net/ipv4/ip_forward

root@c0:~# ipvsadm -A -t 192.1.6.10:80 -s rr

root@c0:~# ipvsadm -a -t 192.1.6.10:80 -r 192.1.6.1 -g

root@c0:~# ipvsadm -a -t 192.1.6.10:80 -r 192.1.6.2 -g

root@c0:~# ipvsadm -ln
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
TCP  192.1.6.10:80 rr
  -> 192.1.6.1:80                 Local   1      0          0         
  -> 192.1.6.2:80                 Route   1      0          0     

root@c0:~# ifconfig eth0:0 192.1.6.10/24 up

root@c0:~# route add -host 192.1.6.10 dev eth0:0

##客户端端设置 192.1.6.2/24

root@c1:~# echo 1 > /proc/sys/net/ipv4/conf/lo/arp_ignore

root@c1:~# echo 1 > /proc/sys/net/ipv4/conf/eth0/arp_ignore

root@c1:~# echo 2 > /proc/sys/net/ipv4/conf/lo/arp_announce

t@c1:~# echo 2 > /proc/sys/net/ipv4/conf/eth0/arp_announce

root@c1:~# ifconfig lo:0 192.1.6.10 netmask 255.255.255.255 up

root@c1:~# route add -host 192.1.6.10 dev lo:0

##debug

root@c1:~# tcpdump -n -i any port 80