#!/bin/bash
# description: Config realserver lo and apply noarp
SNS_VIP=(
192.168.100.210
192.168.100.220
)
case "$1" in
start)
for ((i=0;i<`echo ${#SNS_VIP[*]}`;i++))
do
interface="lo:`echo ${SNS_VIP[$i]}|awk -F . ‘{print $4}‘`"
/sbin/ifconfig $interface ${SNS_VIP[$i]} broadcast ${SNS_VIP[$i]} netmask 255.255.255.255
/sbin/route add -host ${SNS_VIP[$i]} dev $interface
done
#ifconfig lo:0 $SNS_VIP netmask 255.255.255.255 broadcast $SNS_VIP
#/sbin/route add -host $SNS_VIP dev 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
sysctl -p >/dev/null 2>&1
echo "RealServer Start OK"
;;
stop)
for ((i=0;i<`echo ${#SNS_VIP[*]}`;i++))
do
interface="lo:`echo ${SNS_VIP[$i]}|awk -F . ‘{print $4}‘`"
/sbin/ifconfig $interface down
/sbin/route del ${SNS_VIP[$i]} >/dev/null 2>&1
done
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 "RealServer Stoped"
;;
*)
echo "Usage: $0 {start|stop}"
exit 1
esac
exit 0本文出自 “枫林晚” 博客,请务必保留此出处http://fengwan.blog.51cto.com/508652/1539022
原文:http://fengwan.blog.51cto.com/508652/1539022