Step by Step build LVS-DR model lb cluster (i)

Source: Internet
Author: User

LVS: Full name Linux virtual server, is a very much load Balancing cluster software, as the work on the TCP four layer of software, so that it can dispatch a very many applications, and performance than the application layer of load balancing software better.


Prepare the lab environment:

VMware Workstation 10.0

Os:centos 6.4

The experiment topology is as follows:

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Director's configuration

Configuring Dip and vipifconfig eth0 192.168.1.115/24 upifconfig eth0:0 192.168.1.110/24  Up off iptables because LVS cannot be configured with iptables generic Server iptables stop local disc yum source installation ipvsadmvim /etc/yum.repos.d/ cdrom.repo    name=centos 6.4    baseurl=file:///mnt     enabled=1    gpgcheck=0 mount disc to/mnt directory mount /dev/cdrom /mnt install Ipvsadmyum  install ipvsadmipvsadmin command to use          add a RR for the Cluster service          # ipvsadm -a -t 192.168.1.110:80 -s rr         RR represents the scheduling algorithm          Add rs        # ipvsadm -a -t 192.168.1.110:80 in the Cluster service  -r 192.168.1.116 -g        # ipvsadm -a  -t 192.168.1.110:80 -R 192.168.1.117 -g        -g means Dr Model test           Open         http://192.168.1.110/in the browser Index.html View the cluster configuration Ipvsadm -l -n view the current number of connections ipvsadm -l -n -c
Realserver Configuration (2 RS configuration as   except eth0 IP address) Configure IP address ifconfig eth0 192.168.1.116/24  Up in order to make the MAC address of the RS virtual IP not be advertised, the kernel parameters of Linux need to be set first Echo 1 > /proc/sys/net/ipv4/conf/lo/arp_ignoreecho  2 > /proc/sys/net/ipv4/conf/lo/arp_announceecho 1 > /proc/sys/net/ipv4/ Conf/all/arp_ignoreecho 2 > /proc/sys/net/ipv4/conf/all/arp_announce Kernel parameter Interpretation          arp_ignore:  defines the response level when an ARP request is received;             0: A response is given if the local configuration has a corresponding address;             1: The response is only given when the requested destination address is configured on the interface to which the request arrives;         arp_ Announce: Defines the level of notification when you advertise your own address outward;             0: Advertise any addresses on any of the local interfaces outward;             1: Attempt to advertise only addresses to the target network that match its network;             2: Advertise only to networks that match addresses on the local interface; Configure vip/sbin/ifconfig lo:0 192.168.1.110 broadcast  192.168.1.110 netmask 255.255.255.255 up above broadcast address to ensure VIP does not broadcast out/sbin/route add -host  192.168.1.110 dev lo:0 This host route indicates that the destination address is the address above lo, and when it goes out to lo:0 as its source address because it provides a Web cluster, the installation httpdyum install  httpd Close selinux setenfore 0 Test  httpd install normal echo  "realserver 1"  > /var/www/ Html



This article is from the "Linux is belong to You" blog, make sure to keep this source http://jwh5566.blog.51cto.com/7394620/1664076

Step by Step build LVS-DR model lb cluster (i)

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