[ovs-discuss] GTPv1-U in OVS

Kyle Mestery (kmestery) kmestery at cisco.com
Fri Dec 14 14:59:36 UTC 2012

On Dec 13, 2012, at 11:35 PM, Maryam Hanfi <maryam.hanfi at xflowresearch.com> wrote:
> Hi All,
> I want to implement GTPv1-U in Open vSwitch. OVS expects inner MAC header after tunnel header. But GTPv1-U expects IP header after GTPv1-U header. Is there any way to modify the OVS tunneling so inner MAC not required anymore?  Does tunneling work without inner MAC header? 
There is a thread on the dev list recently where we are discussing this very thing. See here:


We are looking at implementing LISP which has the same requirement as GTPv1-U. From what Jesse has indicated, this is a large amount of work at this point. We would be happy to collaborate with you on these changes however. Unicast me if this is something you'd like to pursue.


> Maryam Hanfi 
> Software development Engineer 
> xFlow Research Inc. 
> skype: maryam100289
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