Responses inline.

On Feb 28, 2013, at 2:43 PM, Liyuan Wang wrote:

> However, after I ran the program for a while, connection with 1 and 4 went 
> down.

I don't think you've given enough information to diagnose this.  At the bare 
minimum, please run POX at debug log level (log.level --DEBUG) and post the 
entire log.  It might also help to post captures of the control traffic 
(openflow.debug will generate these).

> The only message I send to switch 1 and switch 2 is to collect statistics.
> <image.png>

This does not appear to be sending a statistics request.  Without the rest of 
the code, I'm confused.


As a sidenote, this might be more suitable for the pox-dev mailing list.

-- Murphy
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