[ovs-dev] Does OVS 2.4 support MPLS over VXLAN?

[Pravin Shelar]

On Fri, Dec 4, 2015 at 11:03 AM, Cathy Zhang <Cathy.H.Zhang at huawei.com> wrote:
> Hi,
>
> We have been using OVS 2.3 in our SFC development and testing and it supports MPLS over VXLAN. Now when we switched to OVS 2.4, it seems MPLS over VXLAN does not work.  We are not sure if it is due to that OVS2.4 does not support MPLS over VXLAN or it is due to our own code problem.
>
> Could someone let me know whether OVS 2.4 supports MPLS over VXLAN?
>

MPLS over vxlan is never supported by OVS. There is no support for GSO
for packets with both Tunnel and MPLS header in Linux networking
stack. OVS depends on it.