Hi, On Thu, Jul 16, 2009 at 15:53, Jerry Geis<geisj at pagestation.com> wrote: > When that interface is disabled on box A and becomes active on box B > what should Box B do to correctly update the ARP tables external to box B > so the external world knows how to get to the new destination and not > the old box A? You can use the "arping" command to send an unsolicited ARP message to the other hosts on your local network. See "man arping". HTH, Filipe