[ovs-discuss] OVS 2.10 geneve errors

[Gregory Rose]

On 8/22/2018 1:47 PM, Gregory Rose wrote:
> On 8/21/2018 11:27 AM, Ben Pfaff wrote:
>> On Tue, Aug 21, 2018 at 11:15:31AM -0700, Gregory Rose wrote:
>>> On 8/21/2018 7:38 AM, William Tu wrote:
>>>> On Mon, Aug 20, 2018 at 9:30 PM Manoj Sharma 
>>>> <manoj.sharma at nutanix.com> wrote:
>>>>> It may be because of duplicate chassis IPs (same IP address used 
>>>>> for more than one chassis).
>>>>>
>>>> Is this the case? I saw Guru is using different remote_ip
>>>>
>>>> --William
>>> I'm looking into it today.
>> My guess is that it's not a kernel issue, because userspace is
>> responsible for taking a single datapath Geneve port and breaking it up
>> among various OpenFlow tunnel ports.  (But that's no reason you
>> shouldn't look at it.)
>
> Your guess was good! Reverting this patch fixes the problem:
>
> commit 7521e0cf9e88a62f2feff4e7253654557f94877e
> Author: Ben Pfaff <blp at ovn.org>
> Date:   Thu Jun 21 15:53:53 2018 -0700
>
>     ofproto-dpif: Let the dpif report when a port is a duplicate.
>
> I'm looking at it to figure out why it breaks when adding an 
> additional geneve port.
>
> Thanks,
>
> - Greg

I posted a patch to fix this.

- Greg