[ovs-discuss] OVN DNS support questions

Numan Siddique numans at ovn.org
Wed Jun 3 07:53:34 UTC 2020


On Wed, Jun 3, 2020 at 12:35 AM John Lang <john.x.lang at oracle.com> wrote:

> I think I know the answers to these, but there are some enhancement
> requests and bugs that seem to indicate otherwise.
>
>
>
>    1. If OVN can’t answer a DNS request, does the pipeline forward it on
>    the another DNS server?  How is that server address set?  Though the DHCP
>    options?
>
>
Yes. If OVN can't anwer it resumes the packet pipeline. So if there are any
other DNS servers, they should get the packet.


>    1.
>    2. Does OVN currently support Reverse DNS lookup (ie. Asking what FQN
>    is assigned to an IP address)?
>
>
No. It doesn't.


>
>    1.
>    2. Is the DHCP domain-name (DHCP option 15) supported by OVN nb?
>
>
Yes. It is. Please see https://www.ovn.org/support/dist-docs/ovn-nb.5.html and
grep for "options : domain_name"

>
>    1.
>
>
>
> I think the answer to all of these are No, but I just wanted to make sure.
>

For (1) and (3), the answer is Yes.

Thanks
Numan


>
>
> John Lang
>
> w (303) 272-5457
>
> c (970) 231-3724
>
>
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>
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