DHCP and DDNS

[Gregory Hicks]

> Date: Tue, 01 Apr 2008 19:19:31 -0500
> From: Kevin Darcy <kcd at chrysler.com>
> To: bind-users at isc.org
> Subject: Re: DHCP and DDNS
> 
> X O R wrote:
> > Hello,
> >
> > I was trying to setup DHCP server to update connected clients into
> > BIND9. Its working now. The problem is that I have few hosts with
> > static ip address defined using fixed-address option in dhcpd.conf.
> > So my question is how can I make BIND9 add 'fixed-address' hosts to
> > dhcp.leases? Looks like this is the only way to make BIND9 remove
> > addresses from the zones file on DHCPRELEASE.

One way to do this "properly" is to "reserve" the addresses via
assignments in the DHCP configuration.  This is done by taking the MAC
address and "assigning" is to an IP address.

You get the flexibility of DHCP with the stability of a fixed address.

> >   
> Even if you could coax your DHCP subsystem into generating these 
Dynamic 
> Updates, why would you constantly delete and re-add the same 
> name/address associations? Seems like you're making your DNS 
> infrastructure perform work for little or no benefit.
> 
> - Kevin
> 
> 
> 

---------------------------------------------------------------------
Gregory Hicks                           | Principal Systems Engineer
Cadence Design Systems                  | Direct:   408.576.3609
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