[ovs-discuss] OVS

[Ammu]

Hi Greg,

As I am doing unwell today, I didn't try it with the latest version.

I will do it tomorrow and update you on that.

Thank you!

-
Keerthana

On Thu, Mar 21, 2019 at 4:31 AM Gregory Rose <gvrose8192 at gmail.com> wrote:

>
> On 3/19/2019 6:25 PM, Ben Pfaff wrote:
> > On Tue, Mar 19, 2019 at 05:19:42PM +0530, Ammu wrote:
> >>
> https://stackoverflow.com/questions/55223517/allow-df-not-to-be-set-on-gre-vxlan-tunnels
> > That question reads:
> >
> >      I have created a bridge with a tunnel interface(be it either
> >      vxlan/gre) and an internal interface. When incoming packets get
> >      encapsulated with either vxlan/gre tunnel header, I don't want the
> >      DF bit set on the outer IP layer of tunnelled packet.
> >
> >      Despite setting df_default tunnel option to False while creating the
> >      tunnel interface, I get the DF bit set on the outer IP layer of the
> >      tunnelled packet.
> >
> > Glancing through the userspace and datapath code in the tree, it looks
> > to me like the DF setting propagates through the whole stack, so I'm
> > surprised there's a bug.  Perhaps Greg can take a look at some point, if
> > he has time.
>
> I'll review the code but as you've pointed out, the code bases used are
> very old.  I'd suggest 2.10 at least since
> that's when we did a total review and upgrade of gre tunneling code to
> support erspan as well.  A lot has
> changed since 2.9.0
>
> Thanks,
>
> - Greg
>
> >
> > We probably need to know what version of OVS you're using, what version
> > of the kernel you're running, and whether you're using the Linux kernel
> > built-in version of the OVS kernel module or the one that is shipped
> > with OVS itself.
>
>
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