Re: [Openstack] DNS problem when multiple subnets

[Georgios Dimitrakakis]

Hello!

Yes the DNS address is shown correctly but it looks rather like a DNS 
problem not responding from the second subnet rather than OpenStack's 
problem.


I have replaced the DNS server of my provider with the one of Google's 
(8.8.8.8) and everything seem to be working...


So I 've contact them and waiting to see why all "nslookup" are getting 
a "REFUSED" from their server.



Thanks for your time.

G.



Hi,

Do you see dns address in /etc/resolv.conf?

Regards,
Manjunath

On 27 Mar 2017, at 19:45, Georgios Dimitrakakis 
 wrote:


Hi!

I have an OpenStack Ocata installation where I have one 
"selfservice" network and one "provider" network (with 1 external 
subnet).


This configuration was set using the default installation guide and 
is working fine.


Now I 've bought a second external subnet from my provider and I 've 
added it as a second subnet to the previously "provider" network.


I can spawn VMs without a problem and VMs can get an IP from the 
secondly (newly) configured subnet without a problem.


I can access the VMs to their IP address and from the VMs I can ping 
anb ssh to other hosts without a problem.


My problem is that the VM when on the new subnet cannot resolve 
names. Although it has the correct DNS server (which is the same as 
the previous one) and can ping the DNS server cannot resolve any name.


Any ideas what might be the problem???

Regards,


G.



___
Mailing list: 
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack

Post to : openstack@lists.openstack.org
Unsubscribe : 
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack



___
Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
Post to : openstack@lists.openstack.org
Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack

Re: [Openstack] DNS problem when multiple subnets

[Warad, Manjunath (Nokia - SG/Singapore)]

Hi,

Do you see dns address in /etc/resolv.conf?

Regards,
Manjunath

> On 27 Mar 2017, at 19:45, Georgios Dimitrakakis  wrote:
> 
> Hi!
> 
> I have an OpenStack Ocata installation where I have one "selfservice" network 
> and one "provider" network (with 1 external subnet).
> 
> This configuration was set using the default installation guide and is 
> working fine.
> 
> Now I 've bought a second external subnet from my provider and I 've added it 
> as a second subnet to the previously "provider" network.
> 
> I can spawn VMs without a problem and VMs can get an IP from the secondly 
> (newly) configured subnet without a problem.
> 
> I can access the VMs to their IP address and from the VMs I can ping anb ssh 
> to other hosts without a problem.
> 
> My problem is that the VM when on the new subnet cannot resolve names. 
> Although it has the correct DNS server (which is the same as the previous 
> one) and can ping the DNS server cannot resolve any name.
> 
> Any ideas what might be the problem???
> 
> Regards,
> 
> 
> G.
> 
> 
> 
> ___
> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
> Post to : openstack@lists.openstack.org
> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack

___
Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
Post to : openstack@lists.openstack.org
Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack