openstack team mailing list archive

[Ashok Kumaran <ashokkumaran.b@xxxxxxxxx>]

Can you telnet to port 53 of local DNS ip from your instance (IP in your
resolv.conf) ?  If its not working then you might need to check your local
quantum dnsmasq settings.


On Sat, May 18, 2013 at 1:45 AM, Paras pradhan <pradhanparas@xxxxxxxxx>wrote:

> Thanks. Yes I got the concept but something is not working. I can't resolv
> the hosts from my instances.
>
> Thanks
> Paras.
>
>
> On Fri, May 17, 2013 at 3:10 PM, Ashok Kumaran <ashokkumaran.b@xxxxxxxxx>wrote:
>
>> It will not populate the external DNS ip  in your resolv.conf . Instead
>> the external DNS will be used by the local quantum dnsmasq for the name
>> resolution purpose.
>>
>> For an instance lets say that your network node has a DNS ip of some
>> xx.xx.xx.xx  in its resolv.conf . By adding the same IP to the
>> dhcp_agent.ini you can make your instances to use the same DNS. I hope you
>> got the concept
>>
>>
>> On Sat, May 18, 2013 at 1:32 AM, Paras pradhan <pradhanparas@xxxxxxxxx>wrote:
>>
>>> So adding dnsmasq_dns_server= "external DNS IP" should populate the
>>> resolv.conf of my instances with the externel DNS IP?
>>>
>>> I did that but still seeing the same ip on resolv.conf.
>>>
>>> Paras.
>>>
>>>
>>> On Fri, May 17, 2013 at 2:17 PM, Ashok Kumaran <ashokkumaran.b@xxxxxxxxx
>>> > wrote:
>>>
>>>> I am assuming that you have a DNS externally and you want the instances
>>>> to use that DNS. If this is the requirement then
>>>> you will have to add dnsmasq_dns_server= "external DNS IP" in your
>>>> /etc/quantum/dhcp_agent.ini.Now your launched instances(VM's) can use
>>>> external DNS through quantum dnsmasq.
>>>>
>>>> Please let us know if you have some other requirement.
>>>>
>>>> -Ashok
>>>>
>>>>
>>>> On Sat, May 18, 2013 at 12:38 AM, Paras pradhan <pradhanparas@xxxxxxxxx
>>>> > wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> My instances can ping the ips but not using dns. The resolv.conf gets
>>>>> populated by the private instance network dns ip (10.0.0.2, from
>>>>> 10.0.0.0/24) . I can ping the dns ip but dns resolv is not working.
>>>>> What might be the issue?
>>>>>
>>>>> I am on quantum and grizzly in 12.04 lts.
>>>>>
>>>>> Thanks
>>>>> Paras.
>>>>>
>>>>> _______________________________________________
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>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Regds,
>>>>
>>>> Ashok ,
>>>> Delivery Consultant,
>>>> HP.
>>>>
>>>
>>>
>>
>>
>> --
>> Regds,
>>
>> Ashok ,
>> Delivery Consultant,
>> HP.
>>
>
>


-- 
Regds,

Ashok ,
Delivery Consultant,
HP.