梁园  马强  白鹏  龚强

 

 client 1 

ifconfig eth0 192.168.20.175
route add default gw 192.168.20.49
 
client 2 
ifconfig eth0 192.168.20.14
route add default gw 192.168.20.49
客服端ip  默认网关
 
apache ip
192.168.21.118
192.168.21.123
 
DR ip
192.168.21.78
 
apache 118
yum install httpd -y
 
/etc/init.d/httpd start
 
cd /var/www/html
echo hello > index.html
测试
elinks http://192.168.21.118/ --dump  
 
apache 123
yum install httpd -y
 
/etc/init.d/httpd start
 
cd /var/www/html
echo hey > index.html
测试
elinks http://192.168.21.123/ --dump  
 
路由
ifconfig eth0 192.168.20.49
ifconfig eth0:0 192.168.21.49
echo 1 > /proc/sys/net/ipv4/ip_forward   打开包转发
 
 
apache
ifconfig lo:0 192.168.21.250 netmask 255.255.255.255 broadcast 192.168.21.250 up
route add -host 192.168.21.250 dev lo:0
route add default gw 192.168.21.49
 
echo 1 > /proc/sys/net/ipv4/conf/lo/arp_ignore 
echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore 
echo 2 > /proc/sys/net/ipv4/conf/lo/arp_announce 
echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce
两个都需要设置
写lo/arp_ignore;lo/arp_announce也可以
/etc/init.d/httpd restart
 
分发
ifconfig eth0 192.168.21.78
#ifconfig eth0:0 192.168.21.250 netmask 255.255.255.255 broadcast 192.168.21.250 up
route add -host 192.168.21.250 dev eth0:0
ipvsadm -A -t 192.168.21.250:80 -s rr
ipvsadm -a -t 192.168.21.250:80 -r 192.168.21.118 -g
ipvsadm -a -t 192.168.21.250:80 -r 192.168.21.123 -g