* Tim Wright <timw@xxxxxxxxxxxxx> 2006-12-01 11:37 > [root@nfstest root]# ifconfig eth0:6 10.12.0.22 netmask 255.255.0.0 up > SIOCSIFFLAGS: Cannot assign requested address You could please also provide a strace -e ioctl so we cann see what ifconfig is trying to do exactly. Address changes are only propagated to the local route table if successful. Anyways, in general this interface is deprecated, you should use 'ip addr add/remove ...] instead of interface aliases. - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html