LVS DR模型实现
1.测试环境操作系统:CentOS6.5
director:
eth0,DIP:192.168.220.131
eth0:0,VIP:192.168.220.132
realserver1:
eth0,RIP1:192.168.220.111
lo:0,VIP:192.168.220.132
realserve2:
eth0,RIP2:192.168.220.112
lo:0,VIP:192.168.220.132
2.realserver配置
1).设置arp请求响应及通告级别
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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
2).配置VIP及添加特殊路由
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ifconfig lo:0 192.168.220.132 netmask 255.255.255.255 broadcast 192.168.220.132 up
route add -host 192.168.220.132 dev lo:0
3.director配置
1).安装ipvsadm
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yum install ipvsadm -y
2).配置VIP
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ifconfig eth0:0 192.168.220.132 netmask 255.255.255.255 broadcast 192.168.220.132 up
3).添加ipvs规则
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ipvsadm -A -t 192.168.220.132:80 -s wrr #添加集群服务
ipvsadm -a -t 192.168.220.132:80 -r 192.168.220.111 -g -w 2 #添加realserver
ipvsadm -a -t 192.168.220.132:80 -r 192.168.220.112 -g -w 3
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