Did you run the command "controller ptcp:"? Delete the flow entry without running this command and then try to ping. You should be unable to ping the hosts in that case.
Regards, *Rahul Sharma* 5th YearMaster of Science (Hons), PhysicsBachelor of Engineering (Hons), Computer Science *▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄* *Birla Institute of Technology & Science,* *Pilani* Pilani Campus, Vidhya Vihar, Pilani, Rajasthan - 333 031, INDIA. On Thu, Nov 2, 2017 at 3:27 PM, Lewis Koh <[email protected]> wrote: > Hi, > > But during the tutorial "Ping Test", before we add-flow to s1, the new > flow was not added to the flow table when I do "h1 ping -c3 h2". Are we > able to delete the flow table after it is added and make the switch work > like the flow table is empty from the beginning during the "Ping Test"? > > Regards, > Lewis > > On Thursday, November 2, 2017, 5:35:22 PM GMT+8, Rahul Sharma < > [email protected]> wrote: > > > Hi, > > The flow table entry is deleted permanently, but when you do subsequent > pings, the controller that you are running adds the new flow table entries > to the switches. Try generating iperf traffic and you will see flow entries > corresponding to that traffic added as well. > > Regards, > *Rahul Sharma* > 5th YearMaster of Science (Hons), PhysicsBachelor of Engineering (Hons), > Computer Science > *▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄* > > *Birla Institute of Technology & Science,* *Pilani* > > Pilani Campus, Vidhya Vihar, Pilani, Rajasthan - 333 031, INDIA. > > On Thu, Nov 2, 2017 at 2:24 PM, Lewis Koh via discuss < > [email protected]> wrote: > > Hi, > > I'm following the tutorial on https://github.com/mininet/ > openflow-tutorial/wiki/Learn- Development-Tools > <https://github.com/mininet/openflow-tutorial/wiki/Learn-Development-Tools> > and > while trying out the "View OpenFlow Messages for Ping", I realized that > "sudo ovs-ofctl del-flows s1" only deletes the flow table temporarily? > Subsequent ping from h1 to h2 will see the flow table entry again when I > execute "sudo ovs-ofctl dump- flows s1". How do I actually > permanently delete the flow entry which I added with add-flows command? > > Regards, > Lewis > > ______________________________ _________________ > discuss mailing list > [email protected] > https://mail.openvswitch.org/ mailman/listinfo/ovs-discuss > <https://mail.openvswitch.org/mailman/listinfo/ovs-discuss> > > >
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