Cluster LVS-NAT mode configuration

LVS clusters are commonly used in three modes, LVS-DR is the most commonly used one, but sometimes LVS-NAT mode is also used; this experiment is configured for NAT Mode

Server Load balancer only, high availability is not configured

Three servers:

Director server:

Eth0: 192.168.70.135

Eth1: 192.168.132.130

 

Real server1: eth0: 192.168.132.128

Real server2: eth0: 192.168.132.129

1. Configure Realserver1

 

[Root @ zhu4 ~] # Nl/var/www/jiang/zhu.html 1 
 
2. Configure Realserver2
 
[root@zhu3 ~]# nl /var/www/jiang/zhu.html1  
3. Configure Director server
 
[root@zhu2 ~]# ifconfig eth0:0 192.168.70.99[root@zhu2 ~]# ipvsadm -A -t 192.168.70.99:80  -s rr[root@zhu2 ~]# ipvsadm -a -t 192.168.70.99:80 -r 192.168.132.128 -m[root@zhu2 ~]# ipvsadm -a -t 192.168.70.99:80 -r 192.168.132.129 -m[root@zhu2 ~]# ipvsadm -L -nIP Virtual Server version 1.2.1 (size=4096)Prot LocalAddress:Port Scheduler Flags-> RemoteAddress:Port           Forward Weight ActiveConn InActConnTCP  192.168.70.99:80 rr-> 192.168.132.129:80           Masq    1      0          0-> 192.168.132.128:80           Masq    1      0          0
 
4. Access test:
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Load Balancing completed