Wrong event. Use this instead @set_ev_cls(EventDP)
It will be executed when a switch connects or disconnects. You will just need to evaluate the "dp_event.enter" field to see if it's true or false. If True, the switch connected. If False, the switch disconnected. See the documentation for more. http://ryu.readthedocs.io/en/latest/ryu_app_api.html#ryu-controller-dpset-eventdp Carlos On 22 July 2018 at 04:34, Soe Ye Htet <soeyehtet1...@gmail.com> wrote: > Dear RYU team, > > I install the OVS inside the raspberry pi and connect with the RYU > controller. I am trying to detect the node failure detection. I put the > @set_ev_cls(event.EventSwitchLeave) and print out the ev.switch.dp.id for > the node failure detection. But when I shutdown the raspberry pi, RYU > controller cannot detect the switch disconnection. I use in-band control > approach. > > Best Regards, > Soe Ye Htet > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Ryu-devel mailing list > Ryu-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/ryu-devel > -- Carlos Miguel Ferreira Researcher at Telecommunications Institute Aveiro - Portugal Work E-mail - c...@av.it.pt Skype & GTalk -> carlosmf...@gmail.com LinkedIn -> http://www.linkedin.com/in/carlosmferreira ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Ryu-devel mailing list Ryu-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ryu-devel
