[ovs-discuss] GRE over IPV6

Thadeu Lima de Souza Cascardo cascardo at redhat.com
Thu Apr 7 14:27:06 UTC 2016


On Thu, Apr 07, 2016 at 07:50:27PM +0530, Prathap T wrote:
> Hi:
> 
>   Thanks for the quick response. I will take a look at the master. In the
> meantime can you please confirm these?
> 
>   *OVS 2.5:*
> 
>   VxLAN over IPv6:
>      Kernel datapath: supported/not supported?
>      netdev datapath: supported/not supported?
> 
> GRE over IPv6:
>      Kernel datapath: supported/not supported?
>      netdev datapath: supported/not supported?

None supported.

> 
> *OVS Master:*
> 
>   VxLAN over IPv6:
>      Kernel datapath: supported/not supported?
>      netdev datapath: supported/not supported?
> 
> GRE over IPv6:
>      Kernel datapath: supported/not supported?
>      netdev datapath: supported/not supported?
> 

Should be all supported. But really not sure about GRE on kernel datapath. In
any case, support in the kernel datapath will depend on kernel version or
external module version you are using.

Cascardo.

> Regards,
> Prathap
> 
> On Thu, Apr 7, 2016 at 6:31 PM, Thadeu Lima de Souza Cascardo <
> cascardo at redhat.com> wrote:
> 
> > On Thu, Apr 07, 2016 at 06:26:48PM +0530, Prathap T wrote:
> > > Hi OVS-team:
> > >
> > >   I see that 2.5 has support for IPV6 VxLAN tunnels. I did not see that
> > > same support for GRE tunnels. Can you please confirm?
> > >   If IPV6 based GRE tunnels is not supported, can I know if there are any
> > > plans to support the same?
> > >   In any work is ongoing, can you please point me to the patch set?
> > >
> > > Regards,
> > > Prathap
> >
> > Hi, Prathap.
> >
> > 2.5 does not have IPv6 tunnels support, it was reverted because of a bug.
> > Can
> > you try OVS master? It should support GRE just as well, though I am not
> > sure how
> > good is the kernel datapath support, and the kernel version you use will
> > affect
> > that. But the netdev datapath should work fine. Let us know if you succeed
> > or
> > have any problems.
> >
> > Thadeu Cascardo.
> >



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