On Mon, 2005-10-24 at 00:07 -0500, Jeff Vian wrote: > You do not have to actively tell it to do so, it is part of the > configuration protocol and that behavior is seen on all OSes I have > ever worked with (except maybe the antique DOS). For sure all modern > TCP stacks make that check. I've seen it happen, and I can postulate several reasons why it might have worked: The other machine wasn't on the network when you set your IP. A firewall on the other machine might have broken this feature. You've brought a pre-configured machine to a network. -- Don't send private replies to my address, the mailbox is ignored. I read messages from the public lists.