Hi all,
Anyone could clear me this issue:
I'm playing with the *pyswitch* component built on NOX. I start a single
switch (ovsk switch) network in mininet with 3 hosts (h2,h3,h4), then
start NOX controller with pyswitch.
I ping from h2 to h3, log messages show that the controller successfully
installed datapath flow for the first 3 packets (ARP & ICMP) between h2
& h3.
Then I exit the controller, of course, I still ping from h2 to h3
(because datapath flows have been installed on the switch).
*But when I restart the controller and do the ping h2->h3 again, why
does the controller reinstall the datapath flows on the switch? The
datapath flows on the switch seem to be cleared when I restart the
controller. *
Thank you very much!
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