1、基于 CentOS 7 构建 LVS-DR 群集。
DS（Director Server）：DIP 192.168.231.132 & VIP 192.168.231.200
[root@132 ~]# nmcli c show
NAME UUID TYPE DEVICE
ens33 c89f4a1a-d61b-4f24-a260-6232c8be18dc ethernet ens33
[root@132 ~]# nmcli c m ens33 +ipv4.addresses 192.168.231.200/24
[root@132 ~]# nmcli c up ens33
[root@132 ~]# yum install ipvsadm -y
[root@132 ~]# ipvsadm -A -t 192.168.231.200:80 -s rr
[root@132 ~]# ipvsadm -a -t 192.168.231.200:80 -r 192.168.231.136 -g -w 1
[root@132 ~]# ipvsadm -a -t 192.168.231.200:80 -r 192.168.231.137 -g -w 1
[root@132 ~]# ipvsadm -ln
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 192.168.231.200:80 rr
-> 192.168.231.136:80 Route 1 0 0
-> 192.168.231.137:80 Route 1 0 0
rs1
[root@137 ~]# yum install net-tools.x86_64
[root@137 ~]# yum install httpd -y
[root@137 ~]# echo "web test pages ip is `hostname -I`" > /var/www/html/index.html
[root@137 ~]# systemctl restart httpd
[root@137 ~]# ifconfig lo:200 192.168.231.200 netmask 255.255.255.255 up
[root@137 ~]# route add -host 192.168.231.200 dev lo
[root@137 ~]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.231.2 0.0.0.0 UG 100 0 0 ens33
192.168.231.0 0.0.0.0 255.255.255.0 U 100 0 0 ens33
192.168.231.200 0.0.0.0 255.255.255.255 UH 0 0 0 lo
[root@137 ~]# echo "1" > /proc/sys/net/ipv4/conf/lo/arp_ignore
[root@137 ~]# echo "2" > /proc/sys/net/ipv4/conf/lo/arp_announce
[root@137 ~]# echo "1" > /proc/sys/net/ipv4/conf/all/arp_ignore
[root@137 ~]# echo "2" > /proc/sys/net/ipv4/conf/all/arp_announcers2
[root@136 ~]# yum install net-tools.x86_64
[root@136 ~]# yum install httpd -y
[root@136 ~]# echo "web test pages ip is `hostname -I`" > /var/www/html/index.html
[root@136 ~]# ifconfig lo:200 192.168.231.200 netmsak 255.255.255.255 up
[root@136 ~]# ifconfig lo:200 192.168.231.200 netmask 255.255.255.255 up
[root@136 ~]# echo "1" > /proc/sys/net/ipv4/conf/lo/arp_ignore
[root@136 ~]# echo "2" > /proc/sys/net/ipv4/conf/lo/arp_announce
[root@136 ~]# echo "1" > /proc/sys/net/ipv4/conf/all/arp_ignore
[root@136 ~]# echo "2" > /proc/sys/net/ipv4/conf/all/arp_announce测试
2、配置nginx负载均衡。
132内网服务器
yum localinstall nginx-1.22.0-1.el7.ngx.x86_64.rpm
[root@localhost ~]# vim /etc/nginx/conf.d/vhost.conf
server {
listen 80;
server_name web1.yunjisuan.com;
location / {
root /usr/share/nginx/html/web1;
index index.html index.htm;
}
access_log /usr/share/nginx/html/web1/logs/access_bbs.log main;
}
[root@localhost ~]# mkdir -p /usr/share/nginx/html/web1/logs
[root@localhost ~]# echo "`hostname -I `web1" > /usr/share/nginx/html/web1/index.html
[root@localhost ~]# nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
[root@localhost ~]# systemctl restart nginx136内网服务器
yum localinstall nginx-1.22.0-1.el7.ngx.x86_64.rpm
[root@localhost ~]# vim /etc/nginx/conf.d/vhost.conf
server {
listen 80;
server_name web1.yunjisuan.com;
location / {
root /usr/share/nginx/html/web1;
index index.html index.htm;
}
access_log /usr/share/nginx/html/web1/logs/access_bbs.log main;
}
[root@localhost ~]# mkdir -p /usr/share/nginx/html/web1/logs
[root@localhost ~]# echo "`hostname -I `web1" > /usr/share/nginx/html/web1/index.html
[root@localhost ~]# nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
[root@localhost ~]# systemctl restart nginx
137代理服务器
yum localinstall nginx-1.22.0-1.el7.ngx.x86_64.rpm
[root@localhost ~]# vim /etc/nginx/conf.d/lb_test.conf
upstream www_server_pools {
server 192.168.231.132:80 weight=1;
server 192.168.231.136:80 weight=1;
}
server {
listen 80;
server_name web1.haha.com;
location / {
proxy_pass http://www_server_pools;
proxy_set_header Host $host;
}
}客户端
[root@localhost ~]# vim /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.231.137 web1.haha.com
[root@localhost ~]# for ((i=1;i<=4;i++)); do curl web1.haha.com; done
192.168.231.136 web1
192.168.231.132 web1
192.168.231.136 web1
192.168.231.132 web1原文地址：https://blog.csdn.net/weixin_64747212/article/details/132483692
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