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LVS--NAT模型
vim /etc/sysctl.conf 开启转发功能
net.ipv4.ip_forward = 1
sysctl -p 看是否开启
net.ipv4.ip_forward = 1
ipvsadm -A -t 172.16.125.5:80 -s rr
ipvsadm -a -t 172.16.125.5:80 -r 192.168.100.2 -m
ipvsadm -a -t 172.16.125.5:80 -r 192.168.100.3 -m
ipvsadm -L -n
ipvsadm -A -t 172.16.125.5:80 -s wrr
ipvsadm -a -t 172.16.125.5:80 -r 192.168.100.2 -m -w 3
ipvsadm -a -t 172.16.125.5:80 -r 192.168.100.3 -m -w 1
ipvsadm -L -n