[openstack-dev] [neutron + ovn] Does neutron ovn plugin support to setup multiple neutron networks for one container?

Murali R muralirdev at gmail.com
Wed Sep 30 19:29:09 UTC 2015


Russell,

Are any additional options fields used in geneve between hypervisors at
this time? If so, how do they translate to vxlan when it hits gw? For
instance, I am interested to see if we can translate a custom header info
in vxlan to geneve headers and vice-versa. And if there are flow commands
available to add conditional flows at this time or if it is possible to
extend if need be.

Thanks
Murali

On Sun, Sep 27, 2015 at 1:14 PM, Russell Bryant <rbryant at redhat.com> wrote:

> On 09/27/2015 02:26 AM, WANG, Ming Hao (Tony T) wrote:
> > Russell,
> >
> > Thanks for your valuable information.
> > I understood Geneve is some kind of tunnel format for network
> virtualization encapsulation, just like VxLAN.
> > But I'm still confused by the connection between Geneve and VTEP.
> > I suppose VTEP should be on behalf of "VxLAN Tunnel Endpoint", which
> should be used for VxLAN only.
> >
> > Does it become some "common tunnel endpoint" in OVN, and can be also
> used as a tunnel endpoint for Geneve?
>
> When using VTEP gateways, both the Geneve and VxLAN protocols are being
> used.  Packets between hypervisors are sent using Geneve.  Packets
> between a hypervisor and the gateway are sent using VxLAN.
>
> --
> Russell Bryant
>
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