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[root@DR ~]# yum -y install ipvsadm

[root@DR ~]# route addr add 192.168.30.160/32 dev lo



[root@RS1 ~]# vim /etc/sysctl.conf 
[root@RS1 ~]# sysctl -p
net.ipv4.conf.all.arp_ignore = 1
net.ipv4.conf.all.arp_announce = 2
[root@RS1 ~]# 
[root@RS1 ~]# ip addr add 192.168.30.160/32 dev lo
[root@RS1 ~]# route add -host 192.168.30.160/32 dev lo


[root@RS2 ~]# vim /etc/sysctl.conf 
[root@RS2 ~]# sysctl -p
net.ipv4.conf.all.arp_ignore = 1
net.ipv4.conf.all.arp_announce = 2
[root@RS2 ~]# ip addr add 192.168.30.160/32 dev lo
[root@RS2 ~]# route add -host 192.168.30.160/32 dev lo

[root@DR ~]# route add -host 192.168.30.160/32 dev lo


[root@DR ~]# arp -a
? (192.168.30.238) at 00:0c:29:e2:be:9a [ether] on ens33
? (192.168.30.239) at 00:0c:29:c8:03:9e [ether] on ens33
? (192.168.30.1) at 00:50:56:c0:00:08 [ether] on ens33
gateway (192.168.30.2) at 00:50:56:ea:32:15 [ether] on ens33

[root@DR ~]# ipvsadm -A -t 192.168.30.160:80 -s wrr
[root@DR ~]# ipvsadm -a -t 192.168.30.160:80 -r 192.168.30.238:80 -g
[root@DR ~]# ipvsadm -a -t 192.168.30.160:80 -r 192.168.30.239:80 -g
[root@DR ~]# ipvsadm -S > /etc/sysconfig/ipvsadm


[root@DR ~]# ipvsadm -ln
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
TCP  192.168.30.160:80 wrr
  -> 192.168.30.238:80            Route   1      0          0         
  -> 192.168.30.239:80            Route   1      0          0   

[root@DR ~]# ipvsadm -A -t 192.168.30.160:443 -s wrr
[root@DR ~]# ipvsadm -a -t 192.168.30.160:443 -r 192.168.30.238:443 -g
[root@DR ~]# ipvsadm -a -t 192.168.30.160:443 -r 192.168.30.239:443 -g
[root@DR ~]# ipvsadm -ln
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
TCP  192.168.30.160:80 wrr
  -> 192.168.30.238:80            Route   1      0          0         
  -> 192.168.30.239:80            Route   1      0          0         
TCP  192.168.30.160:443 wrr
  -> 192.168.30.238:443           Route   1      0          0