RedHat下隧道模式的负载均衡(2)

;;
                stop)
                    echo "Tunl port closing"
                    ifconfig tunl0 down
                    echo 1 > /proc/sys/net/ipv4/ip_forward
                    echo 0 > /proc/sys/net/ipv4/conf/all/arp_announce
                       ;;
                    *)
                echo "Usage: $0 {start|stop}"
                exit 1
            esac
        -------------------------------
        # service shutarp start
B.中转机：
    1。安装 ipvs服务：
        # yum clean all
        # yum install -y ipvsadm
    2。打开ip转发功能，关闭其他服务，设置中转
        # vim /etc/init.d/lvsDR
            ---------------------------------
            #!/bin/sh
            VIP=192.168.0.19
        RIP1=192.168.0.11
        RIP2=192.168.0.12
        GW=192.168.0.1

. /etc/rc.d/init.d/functions

case "$1" in
            start)
                echo " start LVS  of DirectorServer"
               /sbin/ifconfig tunl0 $VIP broadcast $VIP netmask 255.255.255.255 up
               /sbin/route add -host $VIP dev tunl0
               /sbin/ipvsadm -C
              /sbin/ipvsadm -A -t $VIP:80 -s rr
              /sbin/ipvsadm -a -t $VIP:80 -r $RIP1:80 -i
              /sbin/ipvsadm -a -t $VIP:80 -r $RIP2:80 -i
              /sbin/ipvsadm

;;
            stop)
                echo "close LVS Directorserver"
                ifconfig tunl0 down
                /sbin/ipvsadm -C
                    ;;
                *)
            echo "Usage: $0 {start|stop}"
            exit 1
        esac

---------------------------------
        # service lvsDR start   (执行脚本)