Ownership change happens when switch is disconnected from it's master node.
If that's not really the case then it would be interesting to see why EOS
is sending the ownership change notification. Can you please provide the
karaf.log file, that will help to understand what's going on.

On Wed, Feb 17, 2016 at 10:13 PM, Shuva Jyoti Kar <
[email protected]> wrote:

> HI Anil/Kamal,
>
>
>
> As mentioned in my previous email I  am using the Helium(old) model of the
> plugin.
>
>
>
> We  have 3 observations:
>
>
>
> 1.       There were no connection flaps
>
> 2.       When sending flows at high rate, we see the EOS sending
> Role-Request with ‘NOCHANGE’ role-type from the controller.
>
> 3.       The EOS Listener is getting invoked multiple times for ownership
> change event.
>
>
>
> Thanks
>
> Shuva
>
>
>
> *From:* Kamal Rameshan (kramesha) [mailto:[email protected]]
> *Sent:* Thursday, February 18, 2016 1:14 AM
> *To:* Anil Vishnoi; Shuva Jyoti Kar
> *Cc:* [email protected]; Abhijit Kumbhare
>
> *Subject:* Re: OFPT_ROLE_REQ/RESPONSE even in a steady state
>
>
>
> In Li, its part of the pipeline/ init-phase of a connection. I guess you
> are using He.
>
>
>
> Do you see from the switch a successful role-change. My best guess is that
> this could be retries, when the role change is not successful.
>
>
>
> Thx
>
> Kamal
>
>
>
>
>
> *From: *Anil Vishnoi <[email protected]>
> *Date: *Wednesday, February 17, 2016 at 11:39 AM
> *To: *Shuva Jyoti Kar <[email protected]>
> *Cc: *Kamal Rameshan <[email protected]>, "
> [email protected]" <
> [email protected]>, Abhijit Kumbhare <
> [email protected]>
> *Subject: *Re: OFPT_ROLE_REQ/RESPONSE even in a steady state
>
>
>
> Hi Shuva,
>
>
>
> Are you using helium plugin or lithium plugin?
>
>
>
> In Helium plugin, we just send role request only on the time of
> connection, so if there is no connection flapping happening, controller
> should not send the role request.
>
>
>
> Can you recreate this scenario with 1 switch, but installing 1K flows ?
>
>
>
> Thanks
>
> Anil
>
>
>
> On Wed, Feb 17, 2016 at 11:28 AM, Shuva Jyoti Kar <
> [email protected]> wrote:
>
> Hi Kamal/Anil,
>
>
>
> I do observe role-requests and reponses being sent on the wire even in a
> steady state , when there is no disconnection between the switch and the
> controller.
>
> Could you please let us know if this is expected ? and also point out the
> code-path that is triggering it ..
>
>
>
> PFA the jpgs for the wireshark captures showing the ROLE_REQUEST and
> RESPONSE messages, It’s a steady state and no switch disconnections have
> taken place
>
>
>
> I am testing basic provisioning of 10k flows across 15 switches on the
> Helium(old) model of the plugin using the latest sfi_beryllium.
>
>
>
> Thanks
>
> Shuva
>
>
>
>
>
> --
>
> Thanks
>
> Anil
>



-- 
Thanks
Anil
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