comp.protocols.dns.bind
Affichage de l'article :
Re: DHCP and DDNS

Date : Le 02 avril 2008
From : Mark Andrews
Sujet : Re: DHCP and DDNS

> X O R wrote:
> > Hello,
> >
> > I was trying to setup DHCP server to update connected clients into BIND9. I
> ts working now. The problem is that I have few hosts with static ip address d
> efined using fixed-address option in dhcpd.conf.
> > So my question is how can I make BIND9 add 'fixed-address' hosts to dhcp.le
> ases? Looks like this is the only way to make BIND9 remove addresses from the
> zones file on DHCPRELEASE.
> >
> 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

Kevin,
there are good cases for doing it with laptops that
you want to have specific addresses when they are connected
to a particular subnet yet have the DNS reflect there current
address when they are not on the subnet. It also provides
for a single administration point when adding a machine.

Having the laptop update it's own address is one solution.
TSIG or SIG(0) can be used to authenticate the update.

Mark
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews@isc.org

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