[ovs-discuss] Prevent flows between tunnels

[Roberto Sassu]

On 02/08/2013 05:49 PM, Jesse Gross wrote:
> On Fri, Feb 8, 2013 at 7:37 AM, Roberto Sassu <roberto.sassu at polito.it> wrote:
>> Hi everyone
>>
>> I'm wondering what is the best way to prevent that packets
>> are forwarded between tunnels. The only flows allowed should
>> be between VM backends, from VM backends to tunnels and
>> from tunnels to VM backends.
>
> You can write OpenFlow rules using a controller or ovs-ofctl to
> control traffic between tunnel ports.
>

Hi Jesse

yes, I was thinking about using ovs-ofctl but I did not get from
the documentation if it possible to specify a rule that matches
ports of the same type (GRE), so that I can prevent that packets
coming from a tunnel are forwarded to all other tunnels.

Thanks

Roberto Sassu