Without having looked at it too much, it does sort of look like the switch only 
supports OpenFlow 1.3 (wire protocol 0x04).  POX doesn't (yet?) support this, 
so your recourse may be using a different controller...

-- Murphy

On Jan 23, 2014, at 9:48 AM, Thomas Glanzmann <tho...@glanzmann.de> wrote:

> Hello,
> I try to connect a HP 5900 to pox controller using dart or carp. The
> switch does not connect to the controller and gives the following error
> message:
> 
> http://pbot.rmdir.de/y5e3VK8eq3WOeMfCC_W--A
> 
> Documentation:
> https://upload.gmvl.de/openflow_documentation_5900.pdf
> 
> Configuration:
> http://pbot.rmdir.de/VVua8fVS-TzDLPiJnd2jbg
> 
> Pox:
> 
> http://pbot.rmdir.de/ipLe14rG6iBMvhV4dPToiA
> 
> I have two grml Linux PCs connected to port 47 and port 48 which can not
> ping each other.
> 
> I sniffed the exchange between the switch and the controller using
> tcpdump.
> 
> https://upload.gmvl.de/openflow.pcap
> 
> It says something about that version 0x04 is currently the only
> supported version when doing a 'follow tcp stream'. Please advice.
> 
> It looks like that the switch only talks OpenFlow Switch Specification
> Version 1.3.1. Might that be the error, is there something I can try?
> 
> Cheers,
>        Thomas

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