[pox-dev] You may have another controller running.

[Murphy McCauley]

On Jul 16, 2013, at 2:26 PM, nibble nibble wrote:

> Hi all,
> 
> When I am trying to start pox controller:  
> ./pox.py samples.pretty_log forwarding.l2_learning 
> 
> I got the error:
> POX 0.2.0 (carp) / Copyright 2011-2013 James McCauley, et al.
> [core                   ] POX 0.2.0 (carp) is up.
> [openflow.of_01         ] Error 98 while binding socket: Address already in use
> [openflow.of_01         ]  You may have another controller running.
> [openflow.of_01         ]  Use openflow.of_01 --port=<port> to run POX on another port.
> 
> 
> I am almost sure there is no other controller running, I even tried:
> 
> sudo killall controller

Okay, so you're not running the reference controller.  What about another instance of POX?

You may be able to find this by looking at the output from px ax or whatever.  Or follow Saurabh Agarwal's suggestion to just kill whatever is listening on port 6633.

-- Murphy
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