Open Stack

All three nodes are exactly identical. I am able to take the SSH of the VM
via floating IP attached to it but the reverse traffic is getting out with
the SNAT IP of the router when I put the VM on the gateway chassis.

Ammad

On Tue, Oct 12, 2021 at 3:26 PM Daniel Alvarez <dalvarez at redhat.com> wrote:

>
> Hi Ammad
>
>
> On 12 Oct 2021, at 10:33, Ammad Syed <syedammad83 at gmail.com> wrote:
>
> 
> Hi,
>
> I am using openstack wallaby. I have seen an issue not sure if its a bug
> or configuration related issue. I am using ml2/ovn backend with distributed
> floating IP enabled. I have made my compute node 1 as a gateway chassis
> where the routers are scheduled.
>
> I have then created an instance and NATed a public IP. The instance
> deployed on compute 2. When I see the IP address via curl ipinfo.io it
> shows the floating IP that I have NATed.
>
> Then I migrated the instance to compute node 1. I had many ping drops for
> a couple of seconds then its back to normal. I have then seen the IP
> address via curl ipinfo.io. It showed me the SNAT IP address of router.
>
>
> Could it be that the compute 1 is not properly configured with a
> connection on the public network? Provider bridge, correct bridge mappings
> and so on and then the traffic falls back to centralized?
>
>
>
> Then I migrated the instance back to compute node 2, I had ping drops for
> 20 seconds and then the instance came back. I have seen the IP via curl, it
> showed the floating IP that I have nated with instance.
>
> Is it the expected behavior ?
>
> Ammad
>
>

-- 
Regards,


Syed Ammad Ali
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