thanks for relay! if i only use ha+lvs configuration of keepalived.the load balance not work. then,i install ipvsadm and setup lvs with tun by ipvsadm ,it's work. command line below: ipvsadm -A -t 172.16.39.100:80 -s rr ipvsadm -a -t 172.16.39.100:80 -r 172.16.39.30:80 -i ipvsadm -a -t 172.16.39.100:80 -r 172.16.39.40:80 -i -------------------------------------------------------------lb server (master) keepalived.conf-------------------------------------------- global_defs { router_id LVS_DEVEL_M } vrrp_instance websev { state MASTER interface eth0 virtual_router_id 51 priority 100 advert_int 1 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 172.16.39.100 } } virtual_server 172.16.39.100 80 { delay_loop 6 lb_algo rr lb_kind TUN persistence_timeout 10 protocol TCP real_server 172.16.39.30 80 { weight 1 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 } } real_server 172.16.39.40 80 { weight 1 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 } } } ---------------------------------------------------------------real server 1 command ------------------------------------------------------------------ ifconfig tunl0 172.16.39.100 netmask 255.255.255.0 up route add -host 172.16.39.100 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 sysctl -p -------------------------------------------------------------------------------------------------------------------------------------------------- 2011/3/8 Steve Barnes <steve at echo.id.au> > > all! > > if i want to use lvs function of keepalived , i must install ipvsadm ? > > tks! > > _______________________________________________ > > CentOS mailing list > > CentOS at centos.org > > http://lists.centos.org/mailman/listinfo/centos > > > > [steve at mail ~]$ yum provides '*/ipvsadm' > Loaded plugins: fastestmirror > addons > > | 951 B > 00:00 > base > > | 2.1 kB > 00:00 > extras > > | 2.1 kB > 00:00 > updates > > | 1.9 kB > 00:00 > ipvsadm-1.24-10.x86_64 : Utility to administer the Linux Virtual Server > Repo : base > Matched from: > Filename : /etc/rc.d/init.d/ipvsadm > Filename : /sbin/ipvsadm > > I use keepalived/lvs. Yes, you need to install it. Otherwise, there's no > way for you to manage the lvs function? > > At least, that's what I've been led to believe... > > Cheers > > Steve > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20110308/7110974c/attachment-0005.html>