[CentOS] Dhcp 3.0.5 on 5.x

Jason Pyeron jpyeron at pdinc.us
Tue Mar 1 02:55:15 UTC 2011


> -----Original Message-----
> From: centos-bounces at centos.org 
> [mailto:centos-bounces at centos.org] On Behalf Of Nico Kadel-Garcia
> Sent: Monday, February 28, 2011 21:47
> To: CentOS mailing list
> Subject: Re: [CentOS] Dhcp 3.0.5 on 5.x
> 
> On Mon, Feb 28, 2011 at 4:56 PM, Jason Pyeron 
> <jpyeron at pdinc.us> wrote:
> > I am looking to use the update-conflict-detection false; 
> directive in 
> > the dhcpd.conf.
> >
> > It is supported in EL6 or and dhcp >=3.1.0a1.
> >
> > Since I am not going to get permission to switch to EL6 or dhcp 3.1 
> > what are my options?
> >
> > Background:
> >
> > I have a DNS/DHCPD system which its conf files are 
> generated automagically.
> > Depending on which network a device is on the ip address 
> will change. 
> > It is always required to have an A record for every device.
> >
> > I see my only 2 possible options to be:
> >
> > 1, trick dhcpd into thinking that the records in dns are 
> its, hence updatable.
> >
> > 2, backport the update-conflict-detection false logic into 
> > dhcp-3.0.5-23.el5_5.2
> 
> Set A records, and PTR's, for the addresses in your DHCP 
> range. The client becomes "dhcp-0-101.example.com" for IP 
> address 10.0.0.101 in the first DHCP range, and "dhcp-1-101" 
> for IP address 10.0.1.101 in the second range.
> 

Thank you, but the issue I am tackling is that dhcpd is trying to validate a
dhcid against the dns zone. And the records are either missing or invalid
(depending on my efforts so far tonight).


> 
> > Any suggestions?
> >
> > TIA
> >



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