学步园

#!/bin/bash
#LVS-dr.sh
vip=192.168.1.254
rip1=192.168.1.1
rip2=192.168.1.2
START(){
        ifconfig eth0:vip ${vip}/32 up
        ipvsadm -C
        ipvsadm -A -t ${vip}:80 -s rr
        ipvsadm -a -t ${vip}:80 -r ${rip1} -g
        ipvsadm -a -t ${vip}:80 -r ${rip2} -g
        ipvsadm
}
STOP() {
        ifconfig eth0:vip down
        ipvsadm -C
}
STATUS() {
        watch  ipvsadm -ln
}
case $1 in
start)
        START
;;
stop)
        STOP
;;
status)
        STATUS
;;
*)
        echo "Usage: $0 neeg argument [start|stop|status]"
;;
esac

#!/bin/bash
#real_server.sh
vip=192.168.5.254
open() {
        ifconfig lo:vip ${vip}/32 up
        sysctl -w net.ipv4.conf.lo.arp_announce=2
        sysctl -w net.ipv4.conf.lo.arp_ignore=1
        sysctl -w net.ipv4.conf.all.arp_announce=2
        sysctl -w net.ipv4.conf.all.arp_ignore=1
}
close() {
        ifconfig lo:vip down
        sysctl -w net.ipv4.conf.lo.arp_announce=0
        sysctl -w net.ipv4.conf.lo.arp_ignore=0
        sysctl -w net.ipv4.conf.all.arp_announce=0
        sysctl -w net.ipv4.conf.all.arp_ignore=0
}
case $1 in
start)
        open
;;
stop)
        close
;;
*)
        echo "Usage: $0 need argument  [start|stop]"
;;
esac