Comment 6 for bug 1733987

On 30 November 2017 at 07:10, venkata anil <email address hidden>
wrote:

> Thanks Armando
>
> But in the steps to reproduce, adding router interface is missing( i.e
> neutron router-interface-add ). I think it was by mistake and you are
> adding router interface, right?
>

* Create a network
* Create a subnet
* Create a DVR+HA router
* Uplink router to external network

<forgot to add the subnet downlink here, I thought it was implicit> :)

* Deploy a VM on the network

>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1733987
>
> Title:
> name resolution error with DVR+HA routers
>
> Status in neutron:
> In Progress
>
> Bug description:
> Steps to repro:
>
> * Deploy with multiple DHCP agents per network (e.g. 3) and multiple L3
> agents per router (e.g. 2)
> * Create a network
> * Create a subnet
> * Create a DVR+HA router
> * Uplink router to external network
> * Deploy a VM on the network
>
> The resolv.conf of the VM looks something like this:
>
> cat /etc/resolv.conf
> search openstack.local
> nameserver 192.168.0.2
> nameserver 192.168.0.4
> nameserver 192.168.0.3
>
> Where .2, .3. and .4 are your DHCP servers that relay DNS requests.
>
> Name resolution may fail when using one of these servers, due to the
> lack of qrouter namespace on one of the network nodes associated with
> the qdhcp namespace hosting the DHCP service for the network.
>
> Expected behavior:
>
> All nameservers can resolve correctly.
>
> This happens in master and prior versions.
>
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>