LVS + Keepalived之nat模式

maxc1017

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[iyunv@WEB ~]# cat /etc/keepalived/keepalived.conf  ! Configuration File for keepalived  global_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        }     } }[iyunv@WEB ~]#  [iyunv@WEB ~]# service ipvsadm start[iyunv@WEB ~]# 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