lvs_nat.sh

#! /bin/bash
# director 服務器上開啓路由轉發功能
echo 1 > /proc/sys/net/ipv4/ip_forward
# 關閉icmp的重定向
echo 0 > /proc/sys/net/ipv4/conf/all/send_redirects
echo 0 > /proc/sys/net/ipv4/conf/default/send_redirects
# 注意區分網卡名字，兩個網卡分別爲ens33和ens37
echo 0 > /proc/sys/net/ipv4/conf/ens33/send_redirects
echo 0 > /proc/sys/net/ipv4/conf/ens37/send_redirects
# director 設置nat防火牆
iptables -t nat -F
iptables -t nat -X
iptables -t nat -A POSTROUTING -s 192.168.116.129/24  -j MASQUERADE
# director設置ipvsadm
IPVSADM='/usr/sbin/ipvsadm'
$IPVSADM -C
$IPVSADM -A -t 192.168.116.129:80 -s wlc -p 300
$IPVSADM -a -t 192.168.116.129:80 -r 192.168.10.128:80 -m -w 1
$IPVSADM -a -t 192.168.116.129:80 -r 192.168.10.129:80 -m -w 1