hi, please send answers to the mailinglist, i and everybody else who subscriped to it, get these emails. Everybody is in the same case, because lguest uses hw-address of your interface to set tap0 hw address. i try that and test a little > ifconfig tap0 down > ifconfig tap0 hw ether 00:11:22:33:44:55 192.168.19.1 > ifconfig tap0 up thanks flo