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From: Mel Flynn <mel.flynn+fbsd.questions@mailing.thruhere.net>
To: freebsd-questions@freebsd.org
Date: Sun, 20 Sep 2009 18:52:56 +0200
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Cc: stan <stanb@panix.com>
Subject: Re: Microsoft "Dynamic DNS"
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On Saturday 19 September 2009 22:06:03 stan wrote:
> I have a situation at work, where I need  a FreeBSD machine to be in the
> corporate DNS. We have been bought out, and the new owner says "no static
> DNS entries". They use some Microsoft technogly where the client machiens
> register thier names with the corprate DNS.
> 
> My Windows laptop for instance, may get different IP addresses using DHCP
> depending on what physical location I connect it in. but it's always the
> same DNS name.
> 
> Can anyone sugest where to look for information as to how this works, and
> how I cna make my FreeBSD machine participate in this?

You don't need to do anything. By default, dhclient sends the hostname. 
Exception is when you don't have a hostname configured in /etc/rc.conf.
-- 
Mel