#!/bin/bash

# description: Config realserver lo and apply noarp

VIP=(

        192.168.1.132

     )

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

case "$1" in

start)

        echo "start LVS of REALServer"

        for ((i=0; i<`echo ${#VIP[*]}`; i++))

        do

                interface="lo:`echo ${VIP[$i]}|awk -F . '{print $4}'`"

                /sbin/ifconfig $interface ${VIP[$i]} broadcast ${VIP[$i]} netmask 255.255.255.255 up

        done

        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

        ;;

stop)

        for ((i=0; i<`echo ${#VIP[*]}`; i++))

        do

                interface="lo:`echo ${VIP[$i]}|awk -F . '{print $4}'`"

                /sbin/ifconfig $interface ${VIP[$i]} broadcast ${VIP[$i]} netmask 255.255.255.255 down

        done

        echo "close LVS Directorserver"

        #echo "0" >/proc/sys/net/ipv4/conf/lo/arp_ignore

        #echo "0" >/proc/sys/net/ipv4/conf/lo/arp_announce

        #echo "0" >/proc/sys/net/ipv4/conf/all/arp_ignore

        #echo "0" >/proc/sys/net/ipv4/conf/all/arp_announce

        ;;

*)

       echo "Usage: $0 {start|stop}"

        exit 1

esac