[ovs-dev] Interop testing of nvgre tunnel with ms server 2012

Jesse Gross jesse at nicira.com
Tue Nov 6 18:19:57 UTC 2012


On Tue, Nov 6, 2012 at 10:03 AM, Ahsan Rafique <
ahsan.rafique at xflowresearch.com> wrote:

> **
>  Hi,
>  I have added the nvgre support in OVS.Now i want to do interop testing of
> this tunnel with the microsoft windows server 2012.The ping is successful
> when i ping from one host to another both having OVS.But when i ping from
> host 1 having OVS with nvgre support to host 2 having windows server 2012
> the ping is not successful.The packets do not reach the VM in ms server
> 2012.Do i have to do some settings in OVS or something else.
>  My test bed is:
>  OVS on Host 1 having nvgre support on br1.
>  ms server 2012 on host 2, nvgre  tunnel set on virtual machine.
>  When i ping from br1 to vm the ping is not successful the packets do not
> reach the VM in host 2.
>

Presumably either there is a bug in your code or Windows is expecting some
configuration/mode of operation that you aren't using.
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