DDNS not updating host

[dhottinger at harrisonburg.k12.va.us]

Ive seen this when client has obtained both a wired ip & an ip on wireless interface.

Dwayne Hottinger
Network Administrator
Harrisonburg City Public Schools


On Feb 10, 2013, at 11:48, Nelson Perez <nelsonrp24 at gmail.com> wrote:

> Hello,
> 
> That Happens when already exist a A record for that client. Can you check that if laptop has a A record in DNS...?
> 
> 
> 
> 
> 
> On Sun, Feb 10, 2013 at 4:09 AM, <arun.sasi1 at wipro.com> wrote:
>> Hello Team,
>> 
>> I have DDNS configured in my isc-dhcp server. some of laptops are not updating with their new Ip address to the DNS server.
>> 
>> I get below error message from DHCP and DNS
>> 
>> 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)
>> 
>> Why this is happening, and what could be the reason for this.
>> 
>> 
>> 
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