Sami Dalouche » HOWTO: Use more than 3 virtual interfaces with Xen (by using IP Aliasing)
http://www.dalouche.com/wordpress/2006/11/26/howto-use-more-than-3-virtual-interfaces-with-xen-by-using-ip-aliasing/ how to create more than 3 DomU in Xen
http://www.dalouche.com/wordpress/2006/11/26/howto-use-more-than-3-virtual-interfaces-with-xen-by-using-ip-aliasing/ how to create more than 3 DomU in Xen