LVS + Keepalived之nat模式
一、仅lvs服务器端安装 yum install ipvsadm openssl-devel popt popt-devel libnl-devel cd /opt/src/ tar xzvf keepalived-1.2.7.tar.gzcd keepalived-1.2.7./configure make && make installcp /usr/local/etc/rc.d/init.d/keepalived /etc/rc.d/init.d/cp /usr/local/etc/sysconfig/keepalived /etc/sysconfig/mkdir /etc/keepalivedcp /usr/local/etc/keepalived/keepalived.conf /etc/keepalived/cp /usr/local/sbin/keepalived /usr/sbin/修改/etc/keepalived/keepalived.conf文件# cat /etc/keepalived/keepalived.conf! Configuration File for keepalivedglobal_defs { notification_email { 123@123.com } notification_email_from 123@123.com smtp_server mail.123.com smtp_connect_timeout 30 router_id LVS_DEVEL} vrrp_instance VI_1 { state MASTER interface eth0 virtual_router_id 52 priority 100 advert_int 1 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 88.88.88.88 }} vrrp_instance LAN_GATEWAY { state MASTER interface eth1 virtual_router_id 52 priority 100 advert_int 1 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 192.168.1.88 }} virtual_server 88.88.88.88 80 { delay_loop 6 lb_algo lc #lb_kind DR #lb_kind TUN lb_kind NAT persistence_timeout 60 protocol TCP real_server 192.168.1.18 80 { weight 3 TCP_CHECK { connect_timeout 30 nb_get_retry 3 delay_before_retry 2 connect_port 80 } } real_server 192.168.1.68 80 { weight 3 TCP_CHECK { connect_timeout 30 nb_get_retry 3 delay_before_retry 2 connect_port 80 } } }## service ipvsadm start# service keepalived start注意： echo "1" > /proc/sys/net/ipv4/ip_forward二、实际服务器端的操作 将网关设置为lanvip的地址192.168.1.88三、lvs查看 ipvsadm -ln ipvsadm -lnc ipvsadm -l -n --stats调度算法：rr|wrr|lc|wlc|lblc|lblcr|dh|sh|sed|nq 转自：http://www.gaizaoren.org/archives/1004更多可查看 http://bbs.iyunv.com/thread-1538462-1-1.htmlhttp://blog.iyunv.com/cnhome/article/details/5348642
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