[ovs-discuss] Append output port to an existing flow

Kapil Adhikesavalu kapil20084 at gmail.com
Mon Aug 8 17:38:53 UTC 2016


Hi Ben,

I did a brief trial with 'groups' before mailing the list. Wanted to check
if there are other alternatives specific to vxlan.

Thanks for confirming. Will there be any overhead in using 1 group for each
tunnel in a scaled environment.

Regards
Kapil

Thanks
Kapil

On 08-Aug-2016 9:54 PM, "Ben Pfaff" <blp at ovn.org> wrote:

On Mon, Aug 08, 2016 at 04:49:49PM +0530, Kapil Adhikesavalu wrote:
> Want to check if there is an alternate way to append a output port to the
> existing flow.
>
>
>
> For example,
>
>
>
> Existing flow:
>
> cookie=0x0, duration=14279.412s, table=0, n_packets=0, n_bytes=0,
> idle_age=14316, dl_vlan=5 actions=output:2
>
>
>
> If I want to add output:4 to the above flow, the only way I know is using
> mod-flow
>
>
>
> ovs-ofctl mod-flow bridge "dl_vlan=5, actions=output:2,4"
>
>
>
> But is there any other way that I can use to just append 4? i might have
> about 20 ports which have to be dynamically appended.

You could use the OF1.1+ "groups" feature.
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