[nox-dev] dpctl: talking to tcp:127.0.0.1:6634: Connection refused

[Andry Anthony]

hi all,
can someone tell me what should i do when got this following error when running 
dpctl show command.


openflow@openflowtutorial:~$ dpctl show tcp:127.0.0.1:6634
dpctl: talking to tcp:127.0.0.1:6634: Connection refused

thanks,
regards, Andry