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LVS/NAT

2008-02-19 20:40:18| 分类： load balancer | 标签： |举报 |字号大中小订阅

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LVS/NAT配置如下：

1、IP分配：
LB: eth0 10.15.2.135
eth1 10.15.3.190

RS1: 10.15.2.136
RS2: 10.15.2.137

2、安装ipvsadm
   tar cvzf ipvsadm-1.24.tar.tar
   cd ipvsadm-1.24
   make && make install

3、在/etc/rc.d/rc.local里添加下面内容：
   echo 1 > /proc/sys/net/ipv4/ip_forward
   echo 0 > /proc/sys/net/ipv4/conf/all/send_redirects
   echo 0 > /proc/sys/net/ipv4/conf/default/send_redirects
   echo 0 > /proc/sys/net/ipv4/conf/eth0/send_redirects
   //关闭icmp 包的重定向设置send_redirects 置为0

4、设定LB role
   ipvsadm -C
   ipvsadm -A -t 10.15.3.190:3306 -s rr
   ipvsadm -a -t 10.15.3.190:3306 -r 10.15.2.136:3306 -m -w 1
   ipvsadm -a -t 10.15.3.190:3306 -r 10.15.2.137:3306 -m -w 1
   /etc/init.d/ipvsadm save

5、真实节点RS1和RS2上的配置:
   route add default gw 10.15.2.135
   echo 0 > /proc/sys/net/ipv4/ip_forward
   //如果路由不指向LB，RS将没有回应，处于停滞状态

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