[ovs-discuss] OpenFlow 1.3 Groups with type select

Kmindg G kmindg at gmail.com
Fri May 23 04:30:34 UTC 2014


On Fri, May 23, 2014 at 11:05 AM, Gustavo Miotto
<gustavomiotto at gmail.com> wrote:
> Hello,
>
> I have some questions regarding the running behavior of select group type :
>  - How does the OVS select the bucket?
>
> I was testing an environment where I have a group with 3 buckets, each
> bucket with weight of 33 and an output action to a different port. I was
> expecting that the select type would split the flow between those ports, but
> even in differents runnings only the same port has been selected.
>
> According to the openflow specification, the selection algorithm could be a
> hash on some user-configured tuple or
> simple round robin. Which algorithm is implemented?

I think that ovs uses hash of dl_dst to determine bucket right now.
>
> I aim to use it to make a multipath scenario, so any suggestions will help.
>
> Thanks in advance (and sorry for my bad english).
>
> Best regards,
>  Gustavo Miotto
>
>
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