I want to establish a web-cluster.Now i face with the problem how to configure the virtual ip in back-end server and how to ignore the arp request to virtual ip of back-end server. who can tell me ? please detail it !thanks shiner --------------------------------- DO YOU YAHOO!? ÑÅ»¢Ãâ·ÑGÓÊÏä£ÖйúµÚÒ»¾øÎÞÀ¬»øÓʼþɧÈų¬´óÓÊÏä