DR - 代码天地

#cat /proc/sys/net/ipv4/ip_forward
echo "0" >/proc/sys/net/ipv4/ip_forward
#echo 'setting icmp redirects (1 on, 0 off) '
echo "1" >/proc/sys/net/ipv4/conf/all/send_redirects
#cat /proc/sys/net/ipv4/conf/all/send_redirects
echo "1" >/proc/sys/net/ipv4/conf/default/send_redirects
#cat /proc/sys/net/ipv4/conf/default/send_redirects
#cat /proc/sys/net/ipv4/conf/ens33/send_redirects
echo "1" >/proc/sys/net/ipv4/conf/ens33/send_redirects
/sbin/ifconfig ens33 192.168.94.128 broadcast 192.168.94.255 netmask 255.255.255.0
/sbin/ifconfig ens33:0 192.168.94.11 broadcast 192.168.94.11 netmask 255.255.255.255
/sbin/route add -host 192.168.94.11 dev ens33:0
/sbin/ifconfig ens33:0#for show
/bin/ping -c 1 192.168.94.11#for show
/bin/netstat –rn#for show
/sbin/ipvsadm –c
/sbin/ipvsadm -A -t 192.168.94.11:80 -s rr
/sbin/ipvsadm -a -t 192.168.94.11:80 -r 192.168.94.129:80 -g -w 1
/sbin/ipvsadm -a -t 192.168.94.11:80 -r 192.168.94.130:80 -g -w 1
ping -c 1 192.168.94.129
ping -c 1 192.168.94.130
/sbin/ipvsadm

/sbin/ifconfig ens33 192.168.94.129 broadcast 192.168.94.255 netmask 255.255.255.0
/sbin/route add default gw 192.168.94.2
/bin/netstat –rn#
ping -c 1 192.168.94.2
echo "0" >/proc/sys/net/ipv4/ip_forward
#cat  /proc/sys/net/ipv4/ip_forward
ping -c 1 192.168.94.128
ping -c 1 192.168.94.11
/sbin/ifconfig lo:0 192.168.94.11 broadcast 192.168.94.11 netmask 0xffffffff up
/sbin/ifconfig lo:0#
/sbin/route add -host 192.168.94.11 dev lo:0
/bin/netstat –rn#
echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore
echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignore
cat /proc/sys/net/ipv4/conf/lo/arp_ignore
cat /proc/sys/net/ipv4/conf/all/arp_ignore
echo "2" > /proc/sys/net/ipv4/conf/all/arp_announce
echo "2" > /proc/sys/net/ipv4/conf/lo/arp_announce

/sbin/ifconfig ens33 192.168.94.130 broadcast 192.168.94.255 netmask 255.255.255.0
/sbin/route add default gw 192.168.94.2
/bin/netstat –rn#
ping -c 1 192.168.94.2
echo "0" >/proc/sys/net/ipv4/ip_forward
#cat  /proc/sys/net/ipv4/ip_forward
ping -c 1 192.168.94.128
ping -c 1 192.168.94.11
/sbin/ifconfig lo:0 192.168.94.11 broadcast 192.168.94.11 netmask 0xffffffff up
/sbin/ifconfig lo:0#
/sbin/route add -host 192.168.94.11 dev lo:0
/bin/netstat –rn#
echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore
echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignore
cat /proc/sys/net/ipv4/conf/lo/arp_ignore
cat /proc/sys/net/ipv4/conf/all/arp_ignore
echo "2" > /proc/sys/net/ipv4/conf/all/arp_announce
echo "2" > /proc/sys/net/ipv4/conf/lo/arp_announce

1安装http。。。。80口

 yum install httpd-devel.x86_64

使能

 systemctl start httpd

2防火墙允许80端口实现apache-HTTP访问

firewall-cmd --add-service=http
firewall-cmd --permanent --add-service=http
 firewall-cmd --reload

3修改apache默认页面

 echo '192.168.94.129 it is work!' > /usr/share/httpd/noindex/index.html
 echo '192.168.94.130 it is work!' > /usr/share/httpd/noindex/index.html

4执行上面三个脚本

注释：LB：

ip：192.168.94.128

bro：192.168.94.255

gate:192.168.94.2

vip:192.168.94.11

real server1:

ip：192.168.94.129

bro：192.168.94.255

gate:192.168.94.2

real server2:

ip：192.168.94.130

bro：192.168.94.255

gate:192.168.94.2

DR

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