[ovs-discuss] GRE tunnel - no ping reply

[Jesse Gross]

On Fri, Mar 1, 2013 at 3:27 PM, krishna kumar <ipower2 at yahoo.com> wrote:
> No, 108.x.x.x is the access point in my home. The 198.168.x.x is the subnet
> to which the VM is attached. OVS is running in the VM.
> The GRE packet arriving at 108.x.x.x cannot reach OVS in 192.168.x.x unless
> forwarded using DNAT.
> The router at 108.x.x.x does not support GRE.

Can you ping between the GRE endpoints?  I suspect that your NAT rules
are not correct on both ends.

However, it also seems there is some confusion between IP address for
the endpoints and those inside the tunnel.  You seem to be using them
interchangeably.