Maybe you could start off by describing your setup a bit.  What is your network 
like, what POX components are you running, what are you trying to accomplish, 
etc.?

-- Murphy

On Oct 21, 2014, at 11:16 AM, Brian Krisler <bkris...@bbn.com> wrote:

> Hi,
> 
> In my controller, I keep getting the error messages below,
> or I get a stream of “DEBUG:openflow.of_01:deferred sender is sending!”
> messages.
> 
> I have now reduced my handle_PacketIn method to be:
> 
> def handle_PacketIn(self, event):
>       packet = event.parsed
>       msg = of.ofp_packet_out(data = event.ofp)
>       msg.actions.append(of.ofp_action_output(port = of.OFPP_NORMAL))
>       event.connection.send(msg)
>       return None
> 
> And I still get this issues. How do I figure out the cause?
> 
> Thanks
> 
> Brian
> 
> 
> 
> ERROR:openflow.of_01:[08-00-27-21-24-cc 6] OpenFlow Error:
> [08-00-27-21-24-cc 6] Error: header: 
> [08-00-27-21-24-cc 6] Error:   version: 1
> [08-00-27-21-24-cc 6] Error:   type:    1 (OFPT_ERROR)
> [08-00-27-21-24-cc 6] Error:   length:  36
> [08-00-27-21-24-cc 6] Error:   xid:     53974
> [08-00-27-21-24-cc 6] Error: type: OFPET_BAD_REQUEST (1)
> [08-00-27-21-24-cc 6] Error: code: OFPBRC_BUFFER_UNKNOWN (8)
> [08-00-27-21-24-cc 6] Error: datalen: 24
> [08-00-27-21-24-cc 6] Error: 0000: 01 0d 00 18 00 00 d2 d6  00 00 05 2a 00 01 
> 00 08   |...........*....|
> [08-00-27-21-24-cc 6] Error: 0010: 00 00 00 08 ff fa 00 00                    
>         |........        |
> ERROR:openflow.of_01:[08-00-27-21-24-cc 6] OpenFlow Error:
> [08-00-27-21-24-cc 6] Error: header: 
> [08-00-27-21-24-cc 6] Error:   version: 1
> [08-00-27-21-24-cc 6] Error:   type:    1 (OFPT_ERROR)
> [08-00-27-21-24-cc 6] Error:   length:  36
> [08-00-27-21-24-cc 6] Error:   xid:     53975
> [08-00-27-21-24-cc 6] Error: type: OFPET_BAD_REQUEST (1)
> [08-00-27-21-24-cc 6] Error: code: OFPBRC_BUFFER_UNKNOWN (8)
> [08-00-27-21-24-cc 6] Error: datalen: 24
> [08-00-27-21-24-cc 6] Error: 0000: 01 0d 00 18 00 00 d2 d7  00 00 05 2b 00 03 
> 00 08   |...........+....|
> [08-00-27-21-24-cc 6] Error: 0010: 00 00 00 08 ff fa 00 00                    
>         |........        |
> ERROR:openflow.of_01:[08-00-27-21-24-cc 6] OpenFlow Error:
> [08-00-27-21-24-cc 6] Error: header: 
> [08-00-27-21-24-cc 6] Error:   version: 1
> [08-00-27-21-24-cc 6] Error:   type:    1 (OFPT_ERROR)
> [08-00-27-21-24-cc 6] Error:   length:  36
> [08-00-27-21-24-cc 6] Error:   xid:     53976
> [08-00-27-21-24-cc 6] Error: type: OFPET_BAD_REQUEST (1)
> [08-00-27-21-24-cc 6] Error: code: OFPBRC_BUFFER_UNKNOWN (8)
> [08-00-27-21-24-cc 6] Error: datalen: 24
> [08-00-27-21-24-cc 6] Error: 0000: 01 0d 00 18 00 00 d2 d8  00 00 05 2c 00 01 
> 00 08   |...........,....|
> [08-00-27-21-24-cc 6] Error: 0010: 00 00 00 08 ff fa 00 00                    
>         |........        |
> 

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