Yes I am.
Thanks, Alexis > On Apr 18, 2016, at 9:58 PM, Shuva Jyoti Kar <[email protected]> > wrote: > > Correct Alexis. Are you referring to “lithium” as the release ? > > From: Alexis de Talhouët [mailto:[email protected]] > Sent: Monday, April 18, 2016 11:52 PM > To: Shuva Jyoti Kar > Cc: [email protected] > Subject: Re: [openflowplugin-dev] Switch idle timeout > > I think this is what I was looking for: > > https://git.opendaylight.org/gerrit/#/c/35498/ > <https://git.opendaylight.org/gerrit/#/c/35498/> > > But it’s not in lithium. > > Thanks, > Alexis > On Apr 18, 2016, at 2:16 PM, Alexis de Talhouët <[email protected] > <mailto:[email protected]>> wrote: > > Hello Shuva, > > I think it does answer my question. > > What you’re saying is once the switch-idle-timeout is reached, OFJ will send > an > SwitchIdleEvent to OFP, that will result in an ECHO_REQUEST to the switch, > with a timeout of 2 seconds. > If the ODL doesn’t hear from the switch within this timeout, the connection > is shut > down. > > Thanks, > Alexis > > On Apr 18, 2016, at 12:58 PM, Shuva Jyoti Kar <[email protected] > <mailto:[email protected]>> wrote: > > Hello Alexis, > > as I understand from the code, switch idle timeout specifies the amount of > time that has to elapse, after which a > SwitchIdleEvent message is sent upstream – notifying OpenFlow Plugin about > idleness of a switch. On first detection of > Idle state the ofplugin sends an echo request downstream and waits max for > 2000 ms for an echo-reply,( missing which > It puts the connection as down),thereafter every 2 secs the echo-request and > reply is exchanged. > > Now setting the switch-idle-timeout will be dependent on the type of use-case > that you are putting ofplugin. In case > the application tries to stress-test the plugin by pumping millions of flows > per sec,we can increase the number, to > prevent the echo_request being lost behind lots of flow_mods resulting in > connection drop/flap. > > Did that answer your question ? > > Thanks > Shuva > From: [email protected] > <mailto:[email protected]> > [mailto:[email protected] > <mailto:[email protected]>] On Behalf Of > Alexis de Talhouët > Sent: Monday, April 18, 2016 8:23 PM > To: [email protected] > <mailto:[email protected]> > Subject: [openflowplugin-dev] Switch idle timeout > > Hello openflowplugin-dev, > > I would like to understand better the usage of switch-idle-timeout [0]. > > I thought that was the timeout after which the switch was considered > unreachable > by ODL, resulting on putting down the connection, although I’ve seen here[1] > that > the ECHO_REPLY_TIMEOUT was 2 seconds, so if the ODL doesn’t here from the > switch after 2 seconds the ECHO_REQUEST was sent, then it put down the > connection. > > Could you shed some light regarding how to properly setup switch idle timeout? > > Thanks, > Alexis > > [0]: > https://github.com/opendaylight/openflowplugin/blob/stable/lithium/openflowplugin-controller-config/src/main/resources/initial/42-openflowplugin-new.xml#l50 > > <https://github.com/opendaylight/openflowplugin/blob/stable/lithium/openflowplugin-controller-config/src/main/resources/initial/42-openflowplugin-new.xml#l50> > [1]: > https://github.com/opendaylight/openflowplugin/blob/stable/lithium/openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/connection/listener/SystemNotificationsListenerImpl.java#l37 > > <https://github.com/opendaylight/openflowplugin/blob/stable/lithium/openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/connection/listener/SystemNotificationsListenerImpl.java#l37>
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