DHCP 4.2.0 DDNS and OMAPI Bugs (RHEL5.5 x86_64)

Joshua West jwest at brandeis.edu
Wed Sep 1 13:37:01 UTC 2010

  Has anybody else run into this issue?

Anybody running 4.2.0 on RHEL5 with no problems?

On 08/30/10 17:02, Joshua West wrote:
>  Hey folks,
> I just tried updating our systems from 4.1.1-P1 to 4.2.0 and had to 
> revert back.  I've encountered a couple issues with 4.2.0.
> This is all on RHEL 5.5 64-bit.
> The first issue is DDNS updates no longer work.  The error I receive 
> in /var/log/messages is :
> dhcpd: Unable to add forward map from myhost.mydomain.com to 
> not found
> With the hostname and IP addresses obviously changed for this email...
> Perhaps this has something to do with the BIND libraries compiled in 
> for async DDNS updates starting in 4.2.0?  I cannot build DHCP 4.2.0 
> with the RHEL 5.5 supplied bind-libbind-devel / bind-devel packages 
> (aka --with-libbind=/usr) as they are for an older version of BIND 
> than 9.7.x.
> Packet captures on the dhcp servers and on the destination DNS server 
> show that no packets were sent/received regarding the ddns update.
> The second and third bugs have to do with OMAPI.  When I try to 
> connect to the omapi port (900 on my system), I receive an error from 
> omshell:
> dhcpctl_connect: operation in progress
> In addition, dhcpd then spikes to 100% CPU usage.
> Has anybody else run into these issues?
> Thanks.

Joshua West
Senior Systems Engineer
Brandeis University

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