[ovs-dev] [PATCH 4/7] Keep all of tunnel metadata in flow.

[Jesse Gross]

On Sun, Apr 28, 2013 at 11:01 PM, Rajahalme, Jarno (NSN - FI/Espoo)
<jarno.rajahalme at nsn.com> wrote:
> Note to self: It might be prudent to consider carrying and decrementing
> the tunnel ttl from a tunnel input to tunnel output to cut out possible loops,
> at least in this case of forwarding back to flow-based tunnel input port.

You might be able to do something similar by setting the TTL to
"inherit". This is basically the uniform model from RFC2983 although
it looks like we don't implement it on receive at the moment.