Hi, Although I loaded /lib/modules/1.2.13/net/dummy.o , and did : # ifconfig dummy0 00:40:05:18:37:13 aaa.bbb.ccc.ddd -broadcast # route add aaa.bbb.ccc.ddd dummy0 # arp -s aaa.bbb.ccc.ddd pub my WWW server doesn't run as a virtual WWW server. Moreover, the "dummy0" (or the other dummy's) has the HARDWARE_ADDRESS as 00:00:00:00:00:00 in the result of ifconfig , is this corret ? Thank you for any help, in advance. --- ibrahim Ersin SENOL