LVS TUN 实验环境部署脚本

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　　LVS TUN 实验环境部署脚本
　　



#!/bin/bash
# Lvs_tun
#
# Client CIP: 172.16.20.101/24eth0:br0
#
# Server_GWIP1: 172.16.20.102eth0:br0
#    IP2: 192.168.0.254eth1:br1
#
# Director VIP: 192.168.0.1/24eth0:br1
#     DIP: 10.0.0.254/24eth1:br1
#
# RealServerARIP: 10.0.0.1/24eth0:br1
#               RIP: 192.168.0.10   eth0:1:br1
#
# RealServerBRIP: 10.0.0.2/24eth0:br1
#               RIP: 192.168.0.20   eth0:1:br1
#
client(){
#配置网络地址
ifconfig eth0 172.16.20.101 netmask 255.255.255.0
route del default
route add default gw 172.16.20.102
return
}
server_gw(){
#配置网络地址
ifconfig eth0 172.16.20.102 netmask 255.255.255.0
ifconfig eth1 192.168.0.254 netmask 255.255.255.0
#开启转发
echo 1 > /proc/sys/net/ipv4/ip_forward
}
director(){
#配置网络地址
ifconfig eth1 10.0.0.254 netmask 255.255.255.0
ifconfig eth0 192.168.0.1 netmask 255.255.255.0
route del default
route add default gw 192.168.0.254
#开启Debug
ipvsadm -L -n
echo 12 > /proc/sys/net/ipv4/vs/debug_level
#关闭转发
echo 0 > /proc/sys/net/ipv4/ip_forward
#配置策略
ipvsadm -C
ipvsadm -A -t 192.168.0.1:80 -s wrr
ipvsadm -a -t 192.168.0.1:80 -r 10.0.0.1:80 -i -w 1
ipvsadm -a -t 192.168.0.1:80 -r 10.0.0.2:80 -i -w 2
return
}
realservera(){
#配置网络地址
ifconfig eth0 10.0.0.1 netmask 255.255.255.0
ifconfig eth0:1 192.168.0.10 netmask 255.255.255.0
#添加VIP
ifconfig tunl0 192.168.0.1 netmask 255.255.255.255 broadcast 192.168.0.1 up
#关闭内部ARP转发
echo 1 > /proc/sys/net/ipv4/conf/tunl0/arp_ignore
echo 2 > /proc/sys/net/ipv4/conf/tunl0/arp_announce
echo 0 > /proc/sys/net/ipv4/conf/tunl0/rp_filter
echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore
echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce
#关闭转发
echo 0 > /proc/sys/net/ipv4/ip_forward
route del default
route add default gw 192.168.0.254
echo "serverA" > /var/www/html/index.html
/etc/init.d/httpd restart
return
}
realserverb(){
#配置网络地址
ifconfig eth0 10.0.0.2 netmask 255.255.255.0
ifconfig eth0:1 192.168.0.20 netmask 255.255.255.0
#添加VIP
ifconfig tunl0 192.168.0.1 netmask 255.255.255.255 broadcast 192.168.0.1 up
#关闭内部ARP转发
echo 1 > /proc/sys/net/ipv4/conf/tunl0/arp_ignore
echo 2 > /proc/sys/net/ipv4/conf/tunl0/arp_announce
echo 0 > /proc/sys/net/ipv4/conf/tunl0/rp_filter
echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore
echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce
#关闭转发
echo 0 > /proc/sys/net/ipv4/ip_forward
route del default
route add default gw 192.168.0.254
echo "serverB" > /var/www/html/index.html
/etc/init.d/httpd restart
return
}