LVS 配置

NAT Model:

VM1:

192.168.10.10   (VIP)   eth1

192.168.89.100  (DIP)  eth0

VM2:

192.168.89.101   eth0

VM3:

192.168.89.102   eth0

1)in DIP

vip=192.168.10.10

dip=192.168.89.100

ifconfig eth1 $vip netmask 255.255.255.0 up

echo 1 >/proc/sys/net/ipv4/ip_forward

ipvsadm -C

ipvsadm -At $vip:80 -s rr

ipvsadm -at  $vip:80 -r 192.168.89.101:80 -m

ipvsadm -at  $vip:80 -r 192.168.89.102:80 -m

ipvsadm -L

  

2)in RS:

dip=192.168.89.100

route add default gw $dip

IP tunneling:

VM1:

200.168.10.10   (VIP)   eth1

200.168.89.100  (DIP)  eth0

VM2:

200.168.89.101   eth0

VM3:

200.168.89.102   eth0

1) in DR

#!/bin/bash

#tun.sh

vip=200.168.10.10    tunl0

dip=200.168.10.100   eth1

rip1=200.168.10.101   eth1

rip2=200.168.10.102   eth1

ifconfig eth1 $dip netmask 255.255.255.0 up

ifconfig tunl0 $vip netmask 255.255.255.255 up

route add -host $vip dev tunl0

echo "1" >/proc/sys/net/ipv4/ip_forward

ipvsadm -C

ipvsadm -At $vip:80 -s rr

ipvsadm -at $vip:80 -r $rip1:80 -i

ipvsadm -at $vip:80 -r $rip2:80 -i

ipvsadm -L -n

2) in RS

vip=200.168.10.10

rip=200.168.10.101

ifconfig eth1 $rip netmask 255.255.255.0 up

ifconfig tunl0 $vip netmask 255.255.255.255 up

route add -host $vip dev tunl0

echo "1" >/proc/sys/net/ipv4/conf/tunl0/arp_ignore

echo "2" >/proc/sys/net/ipv4/conf/tunl0/arp_announce

echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore

echo "2" >/proc/sys/net/ipv4/conf/all/arp_announce

#echo "0" >/proc/sys/net/ipv4/conf/eth1/rp_filter

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

echo 0 > /proc/sys/net/ipv4/conf/tunl0/rp_filter

echo "completed!"

DR:

VM1:

200.168.10.10   (VIP)   

200.168.89.100  (DIP)  eth1

VM2:

200.168.89.101   eth1

VM3:

200.168.89.102   eth1

1) in DR

vip=200.168.10.10

dip=200.168.10.100

rip1=200.168.10.101

rip2=200.168.10.102

ifconfig eth1 $dip netmask 255.255.255.0 up

ifconfig eth1:0 $vip netmask 255.255.255.255

route add -host $vip dev eth1:0

ipvsadm -C

ipvsadm -At $vip:80 -s rr

ipvsadm -at $vip:80 -r $rip1:80 -g

ipvsadm -at $vip:80 -r $rip2:80 -g

ipvsadm -L -n

2) in RS

vip=200.168.10.10

rip=200.168.10.101

ifconfig eth1 $rip netmask 255.255.255.0 up

ifconfig lo:0 $vip netmask 255.255.255.255 up

route add -host $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