IP Aliases on a DHCP Network

Jon Dean jon.dean at deanuk.net
Sat May 25 20:27:04 BST 2002

I'll investigate in that direction then.
Thanks very much :)

Jon Dean (www.jondean.com)
Dept. Computer Science (www.dcs.ex.ac.uk)
University of Exeter, UK

> -----Original Message-----
> From: freebsd-users-admin at uk.freebsd.org [mailto:freebsd-users-
> admin at uk.freebsd.org] On Behalf Of Dimitris
> Sent: 24 May 2002 19:09
> To: freebsduk
> Subject: Re: IP Aliases on a DHCP Network
> On Fri, 24 May 2002 17:06:52 +0100, Jon Dean wrote:
> >One quick question:
> >Is it possible to get a network interface to obtain a second IP
> >from a DHCP server and use it as an alias on the interface?
> >I've looked over the docs and googled but I can't find anything
> >to this.
> Looking at the DHCP Server for OS/2 Warp Server, it seems that it
> may not be possible by default because the DHCP server remembers
> the interface number, thus it knows that a single interface is
> asking for a new IP when it already has one. Ofcourse there might be
> an option to permit/deny this functionality.
> Not sure about other DHCP servers, but since the server knows about
> this, it may be possible to allow it to assign multiple IP's to a
> interface.
> The DHCP client should also be able to know how to assign aliases.
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