> FAQ 5.6: > http://linux-vserver.org/Frequently_Asked_Questions#If_I_shut_down_my_vserver_guest.2C_the_whole_Internet_interface_ethX_on_the_host_is_shut_down.__What_happened.3F Yes it works. net.ipv4.conf.all.promote_secondaries=1 Got confised since the host interface eth0 not gonig down. ( only guests, even removed ifdown from guests ) Maybe need to update FAQ -- -- Michael