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LVS直接路由模式(DR)负载均衡群集搭建

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yum  install ipvsadm  -y 

modprobe ip_vs

ipvsadm -Ln



## 拓扑图

VIP   :  1 节点  192.168.1.115

RSweb :   2 节点  192.168.1.112
RSweb :   3 节点  192.168.1.114
RSweb :   1 节点  192.168.1.115 (自身也被lvs调度管理)


样板:

#!/bin/bash
VIP=192.168.1.200
/sbin/ifconfig eno16777736:0 $VIP broadcast $VIP netmask 255.255.255.255 up
/sbin/route add -host $VIP dev eno16777736:0



#### 以下脚本重启后失效,写入rc.d

1、
VIP : 192.168.1.200



RSweb节点2:

### 清除reset
ip addr del 192.168.1.200/32 dev ens33 label ens33:0
ip addr del 192.168.1.200/32 dev eno16777736 label eno16777736:0


/sbin/ifconfig lo:0 192.168.1.200 broadcast 192.168.1.200 netmask 255.255.255.255 up
/sbin/route add -host 192.168.1.200 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



2、

RSweb节点3:


### 清除reset
ip addr del 192.168.1.200/32 dev ens33 label ens33:0
ip addr del 192.168.1.200/32 dev eno16777736 label eno16777736:0


/sbin/ifconfig lo:0 192.168.1.200 broadcast 192.168.1.200 netmask 255.255.255.255 up
/sbin/route add -host 192.168.1.200 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





3、115

VIP调度分配节点1:(115本身也可以作为RS被VIP调度,实验集群可以这么干)


## rc.local

/sbin/ifconfig ens33:0 192.168.1.200 broadcast 192.168.1.200 netmask 255.255.255.255 up
/sbin/route add -host 192.168.1.200 dev ens33:0




#//清除内核虚拟服务器表中的所有记录
/usr/sbin/ipvsadm –C 

#//创建虚拟服务器 -p会话老化时间s,测试可非常短,prd不建议

/usr/sbin/ipvsadm -A -t 192.168.1.200:80 -s rr -p 3 


/usr/sbin/ipvsadm -a -t 192.168.1.200:80 -r 192.168.1.115:80 -g 

/usr/sbin/ipvsadm -a -t 192.168.1.200:80 -r 192.168.1.112:80 -g 

/usr/sbin/ipvsadm -a -t 192.168.1.200:80 -r 192.168.1.114:80 -g 


ipvsadm -Ln 


 

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