DDNS not updating host

[arun.sasi1 at wipro.com]

Ok in such a case, why some of laptops are unable to update their DDNS record via DHCP.

I had mention that, I used to get below error

DHCP

Feb 10 09:32:02 sd5embinf01 dhcpd: DHCPOFFER on 163.183.40.116 to 48:5b:39:83:23:ef (OAal-SD05) via 163.183.43.4
Feb 10 09:32:02 sd5embinf01 dhcpd: Forward map from OAal-SD05.emb.bsl.com to 163.183.40.116 FAILED: Has an A record but no DHCID, not mine.
Feb 10 09:32:02 sd5embinf01 dhcpd: DHCPREQUEST for 163.183.40.116 (163.183.243.133) from 48:5b:39:83:23:ef (OAal-SD05) via 163.183.43.1
Feb 10 09:32:02 sd5embinf01 dhcpd: DHCPACK on 163.183.40.116 to 48:5b:39:83:23:ef (OAal-SD05) via 163.183.43.1
Feb 10 09:32:03 sd5embinf01 dhcpd: Forward map from OAal-SD05.emb.bsl.com to 163.183.40.116 FAILED: Has an A record but no DHCID, not mine.

In DNS
Feb 10 06:31:44 gb02embns01 named[16046]: client 163.183.243.131#44006: updating zone 'emb.bsl.com/IN': update unsuccessful: OAal-SD05.emb.bsl.com: 'name not in use' prerequisite not satisfied (YXDOMAIN)
Feb 10 06:31:44 gb02embns01 named[16046]: client 163.183.243.131#51487: updating zone 'emb.bsl.com/IN': update unsuccessful: OAal-SD05.emb.bsl.com/TXT: 'RRset exists (value dependent)' prerequisite not satisfied (NXRRSET)
Feb 10 06:31:45 gb02embns01 named[16046]: client 163.183.243.131#53081: updating zone 'emb.bsl.com/IN': update unsuccessful: OAal-SD05.emb.bsl.com: 'name not in use' prerequisite not satisfied (YXDOMAIN)
Feb 10 06:31:45 gb02embns01 named[16046]: client 163.183.243.131#59861: updating zone 'emb.bsl.com/IN': update unsuccessful: OAal-SD05.emb.bsl.com/TXT: 'RRset exists (value dependent)' prerequisite not satisfied (NXRRSET)

Thanks & Regards,
Arun Sasi Venmalassery
-------------------------------------------------------------------------------------------------------------------------------------
Sr. Engineer - Server Management (UNIX),
Wipro Ltd (Dubai) |Mob: +971 566489491 | E: arun.sasi1 at wipro.com

________________________________________
From: dhcp-users-bounces+arun.sasi1=wipro.com at lists.isc.org [dhcp-users-bounces+arun.sasi1=wipro.com at lists.isc.org] on behalf of Steven Carr [sjcarr at gmail.com]
Sent: Sunday, February 10, 2013 4:57 PM
To: Users of ISC DHCP
Subject: Re: DDNS not updating host

In short you can't, it's a limitation when used by multi-homed
systems. This is precisely what the TXT record implementation prevents
(multiple mac addresses updating the same A record).

Steve


On 10 February 2013 10:55,  <arun.sasi1 at wipro.com> wrote:
> SO I assume, the system go IP via LAN and they tried to renew IP via Wireless too.
>
> So that two interfaces are registering with same host name but TXT got messed up. If this is the case then how to rectify this issue.
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