centos下lvs配置

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2023-02-25 | centos | gtxyzz | 6233°c

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一、lvs-nat模式

网络配置：

lvs-server eth0 ：host-only adapter 192.168.56.101

lvs-server eth1 ：Internal 192.168.0.1

real-server-1 eth0：Internal 192.168.0.2

real-server-2 eth0：Internal 192.168.0.3

lvs-server：

1、安装ipvsadm软件

yum -y install ipvsadm*

echo 1 > /proc/sys/net/ipv4/ip_forward 路由器功能，ip转发

ipvsadm -C

ipvsadm -At 192.168.56.101:80 -s rr 轮叫模式

ipvsadm -at 192.168.56.101:80 -r 192.168.0.2 -m

ipvsadm -at 192.168.56.101:80 -r 192.168.0.3 -m

ipvsadm -L -n

2、real-server-1：

ifconfig eth0 192.168.0.2 netmask 255.255.255.0

route add default gw 192.168.0.1

3、real-server-2

ifconfig eth0 192.168.0.3 netmask 255.255.255.0

route add default gw 192.168.0.1

route -n 查看路由表

二、lvs-ipturn

网络配置：
lvs-server eth0：host-only adapter 192.168.56.101
real-server-1 eth0：host-only adapter 192.168.56.102
real-server-2 eth0：host-only adapter 192.168.56.103
lvs-server：
配置虚拟ip即vip
ifconfig tunl0 192.168.56.10 netmask 255.255.255.255 up
route add -host 192.168.56.10 dev tunl0

ivsadm -C
ipvsadm -At 192.168.56.10:80 -s rr
ipvsadm -at 192.168.56.10:80 -r 192.168.56.102 -i
ipvsadm -at 192.168.56.10:80 -r 192.168.56.103 -i
ipvsadm -L -n

real-server-1：
ifconfig tunl0 192.168.56.10 netmask 255.255.255.255 up
route add -host 192.168.56.10 dev tunl0
echo 1 > /proc/sys/net/ipv4/conf/tunl0/arp_ignore
echo 2 > /proc/sys/net/ipv4/conf/tunl0/arp_announce
echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore
echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce
real-server-2：
ifconfig tunl0 192.168.56.10 netmask 255.255.255.255 up
route add -host 192.168.56.10 dev tunl0
echo 1 > /proc/sys/net/ipv4/conf/tunl0/arp_ignore
echo 2 > /proc/sys/net/ipv4/conf/tunl0/arp_announce
echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore
echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce

三、lvs-dr

网络配置： lvs-server eth0：host-only adapter 192.168.56.101

real-server-1 eth0：host-only adapter 192.168.56.102

real-server-2 eth0：host-only adapter 192.168.56.103

lvs-server：

ifconfig eth0:0 192.168.56.10 netmask 255.255.255.255

route add -host 192.168.56.10 dev eth0:0

ipvs:

ipvsadm -C ipvsadm -At 192.168.56.10:80 -s rr ipvsadm -at 192.168.56.10:80 -r 192.168.56.102 -g ipvsadm -at 192.168.56.10:80 -r 192.168.56.103 -g ipvsadm -L -n

real-server-1： ifconfig lo:0 192.168.56.10 netmask 255.255.255.255 route add -host 192.168.56.10 dev lo:0 echo 1 > /proc/sys/net/ipv4/conf/lo/arp_ignore echo 2 > /proc/sys/net/ipv4/conf/lo/arp_announce echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce

real-server-2： ifconfig lo:0 192.168.56.10 netmask 255.255.255.255 route add -host 192.168.56.10 dev lo:0 echo 1 > /proc/sys/net/ipv4/conf/lo/arp_ignore echo 2 > /proc/sys/net/ipv4/conf/lo/arp_announce echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce

注：以上所有操作需关闭selinx和iptables，虚假机为visualbox

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