Hi, I have been following your howto http://www.howtoforge.com/high_availability_loadbalanced_apache_cluster Couple of questions I have the below setup loadb1 - 172.20.0.11(Primary Active Node) loadb2 - 172.20.0.12 (Secondary Standby Node) apache1 - 172.20.0.13 apache2 - 172.20.0.14 Virtual IP - 172.20.0.10 I have added the Virtual IP as "loadb1 IPaddr::172.20.0.10/24/eth0" in haresources. I have added the below in /etc/network/interfaces for both apache1/apache2 web servers. auto lo:0 iface lo:0 inet static address 192.168.0.105 netmask 255.255.255.255 pre-up sysctl -p > /dev/null When i do ifup lo:0 the machine gets freezed. I am not able to connect from my laptop whose IP is 172.20.0.15 Please suggest and guide me Thanks and Regards Kaushal Please suggest and guide Thanks and Regards Kaushal