On Fri, Nov 01, 2002 at 03:07:15AM -0800, David S. Miller wrote: > Use the "primary" attribute on the 'ip' command line, which is what I > said in my other email in this thread. Ok, I see. This marks an interface as primary, does not help ifconfig's down behaviour. Downing a primary interface will down all secondaries on that subnet. So it helps to make all secondary or all primary. On the default the first address of a subnet is primary, all following are secondary. Not sure if that is the best solution, but as I found, this was discussed before: http://www.uwsg.iu.edu/hypermail/linux/kernel/0110.2/1647.html Anyway, ifconfig needs to know about the flag so it gets more clear. Since I feel great hostility against ifconfig here, I will use rtnetlink and not try to fix the ioctls() :) Greetings bernd - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html