[ovs-discuss] gre interface not shown in ovs-dpctl command

[Kanika Saklani]

Hi Jesse,

Thanks for such a quick reply, actually we do not rmmod the complete gre
module, i only remove the kernel module of the gre & i think that is the
main reason for our problem i will try the above that you have suggested  &
revert you back. Really your help is highly appreciable.

--------
Regards
Kanika


On Fri, Jan 3, 2014 at 11:03 PM, Jesse Gross <jesse at nicira.com> wrote:

> On Fri, Jan 3, 2014 at 7:36 AM, Kanika Saklani
> <kanika.saklani11 at gmail.com> wrote:
> > Hi All,
> >
> > I have been working on the gre tunnelling with openvswitch, in which i am
> > using kernel version 3.2 with openvswitch 1.9 on my x86 machine.But i am
> > facing the following issue that the gre interface is showing in ovs-vsctl
> > show command but not showing in the ovs-dpctl show command.
>
> Can you please try this new entry from the FAQ:
>
> Q: I created a GRE port using ovs-vsctl so why can't I send traffic or
>    see the port in the datapath?
>
> A: On Linux kernels before 3.11, the OVS GRE module and Linux GRE module
>    cannot be loaded at the same time. It is likely that on your system the
>    Linux GRE module is already loaded and blocking OVS (to confirm, check
>    dmesg for errors regarding GRE registration). To fix this, unload all
>    GRE modules that appear in lsmod as well as the Open vSwitch kernel
>    module. You can then reload the OVS module following the directions in
>    INSTALL, which will ensure that dependencies are satisfied.
>
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