[pox-dev] help: PacketIn and ConnectionUp event

[Murphy McCauley]

Well, the POX documentation page on noxrepo.org contains links to two tutorials.  (The manual also listed one of them; I've just updated it so that it includes both.)
 
-- Murphy

On Apr 27, 2014, at 2:20 PM, k102090 Sarim Javaid Khan <k102090 at nu.edu.pk> wrote:

> A follow up,
> 
> It would be better if you can give step by step tutorial of pox along with the documentation details.
> It would help in fast learning of the controller.
> 
> Thankx.
> 
> 
> On 27 April 2014 15:42, k102090 Sarim Javaid Khan <k102090 at nu.edu.pk> wrote:
> That's great. Thank you
> 
> 
> On 27 April 2014 05:46, Murphy McCauley <murphy.mccauley at gmail.com> wrote:
> I've modified the wiki to try to clarify this.
> 
> The PacketIn event is raised in response to an ofp_packet_in message from the switch.  The meaning of this is defined in the OpenFlow specification, but basically it's what happens when a packet arriving at a switch port does not match any table entry, or when the matching table entry includes an action to explicitly send the packet to the controller.
> 
> The ConnectionUp event is not raised in response to any specific OpenFlow message from a switch -- it's raised when a switch connects to the controller.  Meaning, for example, that you won't be getting *any* other events from a particular switch until you've gotten a ConnectionUp from it.
> 
> -- Murphy
> 
> On Apr 26, 2014, at 3:09 PM, k102090 Sarim Javaid Khan <k102090 at nu.edu.pk> wrote:
> 
> > Hello all,
> > Hope you are doing fine.
> >
> > I am new to SDNs and POX development.
> > I have been surfing out the pox wiki and tried to understand the basics of pox but I could not understand the difference between the "ConnectionUp" and "PacketIn" events in the poxAPI.
> > I searched all over the internet but no answer I got.
> >
> > Please help me out with a basic definition and an illustration if you feel easy.
> >
> > Regards,
> > Sarim Javaid Khan
> 
> 
> 

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