LVS-Dr指令碼

#!/bin/bashVIP=192.168.19.254RS=(192.168.19.2 192.168.19.3)DIP=192.168.19.1lvsstart () {if [ ! -e /sbin/ipvsadm ];then   echo "ERROR!! please install ipvsadm tool"else    ifconfig eth0:1 $VIP netmask 255.255.255.0 broadcast $VIP up    route add -host $VIP dev eth0:1    echo 1 > /proc/sys/net/ipv4/ip_forward    ipvsadm -A -t $VIP:80 -s rr    ipvsadm -a -t $VIP:80 -r ${RS[0]} -g    ipvsadm -a -t $VIP:80 -r ${RS[1]} -g    echo "lvs already running......"fi}lvsstop () {    ipvsadm -C    ifconfig eth0:1 down    echo "lvs stop"}RS () {   ifconfig lo:0 $VIP netmask 255.255.255.255 broadcast $VIP up   route add -host $VIP dev lo:0   echo 2 >/proc/sys/net/ipv4/conf/all/arp_announce   echo 1 >/proc/sys/net/ipv4/conf/all/arp_ignore}router () {   echo 1 > /proc/sys/net/ipv4/ip_forward}case $1 inlvs-start) lvsstart;;lvs-stop) lvsstop;;rs) RS;;router) router;;*) echo "Usage sh lvs-DR lvs-start|lvs-stop|rs|router"esac

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