On Mon, Nov 8, 2021 at 5:05 PM Numan Siddique <[email protected]> wrote:
>
> + Ihar  if he has any comments.
>
> Thanks
> Numan
>

Due to the limitations of VxLAN,  I don't think OVN interconnect is
supported with VxLAN.

Please see the ovn-architecture  man pages.

--
When VXLAN tunneling is enabled in an OVN cluster, due to the limited
range available for VNIs, Interconnection feature is not supported.
---

Thanks
Numan

> On Mon, Nov 8, 2021 at 4:57 PM Vladislav Odintsov <[email protected]> wrote:
> >
> > Hi,
> >
> > is seems like I found a regression with a latest ovn main branch code using 
> > ovn-ic.
> > My setup utilises ramp switches (ovn-controller-vtep), so some chassis have 
> > vxlan encap.
> > But I guess the problem affects non-vtep switch VXLAN installations too.
> > OVN IC transit switches use tunnel key ids > OVN_MAX_DP_KEY_LOCAL 
> > (OVN_MAX_DP_KEY - OVN_MAX_DP_GLOBAL_NUM)
> > so if user has at least one VXLAN-enabled chassis and interconnected
> > with transit switch LRs he/she will get in northd logs lots of next 
> > messages:
> >
> > 2021-11-08T21:03:32.606Z|00132|northd|WARN|Tunnel key 16711897 for datapath 
> > vpc-6A0E5C34-global is incompatible with VXLAN
> > 2021-11-08T21:04:32.607Z|00133|northd|WARN|Dropped 27 log messages in last 
> > 60 seconds (most recently, 31 seconds ago) due to excessive rate
> >
> > In commit [1] this logic was introduced. I can’t understand from the code 
> > and from commit itself
> > if previous behaviour can be supported, but maybe I’m missing something.
> > Can somebody help on this please?
> >
> > Thanks.
> >
> > 1: 
> > https://github.com/ovn-org/ovn/commit/fd44d75959cedcedf1f103173be1d9fa1abd9cb8
> >
> > Regards,
> > Vladislav Odintsov
> >
> > _______________________________________________
> > dev mailing list
> > [email protected]
> > https://mail.openvswitch.org/mailman/listinfo/ovs-dev
_______________________________________________
dev mailing list
[email protected]
https://mail.openvswitch.org/mailman/listinfo/ovs-dev

Reply via email to