一、lvs-nat模式

网络配置：

lvs-server eth0 ：host-only adapter 192.168.56.101

lvs-server eth1 ：Internal 192.168.0.1

real-server-1 eth0：Internal 192.168.0.2

real-server-2 eth0：Internal 192.168.0.3

lvs-server：

1、安装ipvsadm软件

yum -y install ipvsadm*

echo 1 > /proc/sys/net/ipv4/ip_forward 路由器功能，ip转发

ipvsadm -C

ipvsadm -At 192.168.56.101:80 -s rr 轮叫模式

ipvsadm -at 192.168.56.101:80 -r 192.168.0.2 -m

ipvsadm -at 192.168.56.101:80 -r 192.168.0.3 -m

ipvsadm -L -n

2、real-server-1：

ifconfig eth0 192.168.0.2 netmask 255.255.255.0

route add default gw 192.168.0.1

3、real-server-2

ifconfig eth0 192.168.0.3 netmask 255.255.255.0

route add default gw 192.168.0.1

route -n 查看路由表

二、lvs-ipturn

网络配置：

lvs-server eth0：host-only adapter 192.168.56.101

real-server-1 eth0：host-only adapter 192.168.56.102

real-server-2 eth0：host-only adapter 192.168.56.103

lvs-server：

配置虚拟ip即vip

ifconfig tunl0 192.168.56.10 netmask 255.255.255.255 up

route add -host 192.168.56.10 dev tunl0</p> <p>ivsadm -C

ipvsadm -At 192.168.56.10:80 -s rr

ipvsadm -at 192.168.56.10:80 -r 192.168.56.102 -i

ipvsadm -at 192.168.56.10:80 -r 192.168.56.103 -i

ipvsadm -L -n

real-server-1：

ifconfig tunl0 192.168.56.10 netmask 255.255.255.255 up

route add -host 192.168.56.10 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

real-server-2：

ifconfig tunl0 192.168.56.10 netmask 255.255.255.255 up

route add -host 192.168.56.10 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

三、lvs-dr

网络配置：

lvs-server eth0：host-only adapter 192.168.56.101</p> <p>real-server-1 eth0：host-only adapter 192.168.56.102</p> <p>real-server-2 eth0：host-only adapter 192.168.56.103</p> <p>lvs-server：</p> <p>ifconfig eth0:0 192.168.56.10 netmask 255.255.255.255</p> <p>route add -host 192.168.56.10 dev eth0:0

ipvs:

ipvsadm -C ipvsadm -At 192.168.56.10:80 -s rr ipvsadm -at 192.168.56.10:80 -r 192.168.56.102 -g ipvsadm -at 192.168.56.10:80 -r 192.168.56.103 -g ipvsadm -L -n</p> <p>real-server-1： ifconfig lo:0 192.168.56.10 netmask 255.255.255.255 route add -host 192.168.56.10 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</p> <p>real-server-2： ifconfig lo:0 192.168.56.10 netmask 255.255.255.255 route add -host 192.168.56.10 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

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