centos中lvs安装配置方法详解
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一、lvs-nat模式</p>
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网络配置：<br>
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代码如下:</p>
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lvs-server eth0 ：host-only adapter 192.168.56.101<br>
lvs-server eth1 ：Internal 192.168.0.1<br>
real-server-1 eth0：Internal 192.168.0.2<br>
real-server-2 eth0：Internal 192.168.0.3</div>
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lvs-server：<br>
1、安装ipvsadm软件</p>
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代码如下:</p>
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yum -y install ipvsadm*<br>
echo 1 > /proc/sys/net/ipv4/ip_forward 路由器功能，ip转发<br>
ipvsadm -C<br>
ipvsadm -At 192.168.56.101:80 -s rr 轮叫模式<br>
ipvsadm -at 192.168.56.101:80 -r 192.168.0.2 -m<br>
ipvsadm -at 192.168.56.101:80 -r 192.168.0.3 -m<br>
ipvsadm -L -n</div>
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2、real-server-1：<br>
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代码如下:</p>
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ifconfig eth0 192.168.0.2 netmask 255.255.255.0<br>
route add default gw 192.168.0.1</div>
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3、real-server-2<br>
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代码如下:</p>
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ifconfig eth0 192.168.0.3 netmask 255.255.255.0<br>
route add default gw 192.168.0.1<br>
route -n 查看路由表</div>
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二、lvs-ipturn</p>
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网络配置：<br>
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代码如下:</p>
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lvs-server eth0：host-only adapter 192.168.56.101<br>
real-server-1 eth0：host-only adapter 192.168.56.102<br>
real-server-2 eth0：host-only adapter 192.168.56.103</div>
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lvs-server：<br>
配置虚拟ip即vip<br>
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代码如下:</p>
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ifconfig tunl0 192.168.56.10 netmask 255.255.255.255 up<br>
route add -host 192.168.56.10 dev tunl0</p> <p>ivsadm -C<br>
ipvsadm -At 192.168.56.10:80 -s rr<br>
ipvsadm -at 192.168.56.10:80 -r 192.168.56.102 -i<br>
ipvsadm -at 192.168.56.10:80 -r 192.168.56.103 -i<br>
ipvsadm -L -n</div>
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real-server-1：<br>
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代码如下:</p>
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ifconfig tunl0 192.168.56.10 netmask 255.255.255.255 up<br>
route add -host 192.168.56.10 dev tunl0<br>
echo 1 > /proc/sys/net/ipv4/conf/tunl0/arp_ignore<br>
echo 2 > /proc/sys/net/ipv4/conf/tunl0/arp_announce<br>
echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore<br>
echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce</div>
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</p>
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real-server-2：<br>
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代码如下:</p>
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ifconfig tunl0 192.168.56.10 netmask 255.255.255.255 up<br>
route add -host 192.168.56.10 dev tunl0<br>
echo 1 > /proc/sys/net/ipv4/conf/tunl0/arp_ignore<br>
echo 2 > /proc/sys/net/ipv4/conf/tunl0/arp_announce<br>
echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore<br>
echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce</div>
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三、lvs-dr</p>
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网络配置：<br>
</p>
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代码如下:</p>
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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</div>
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ipvs:<br>
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代码如下:</p>
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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</div>
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