Hey Murphy, I'm more looking for the second approach (cables cut! ;)). What exactly would be the listener to listen to?
Thank you! On Mon, Jan 28, 2013 at 6:25 PM, Murphy McCauley <murphy.mccau...@gmail.com>wrote: > On Jan 28, 2013, at 9:17 AM, Julius Bachnick wrote: > > > thank you so much for your support so far! My current issue (and I admit > it's a bit urgent ;)) is to listen to Changes in a Port Status of an OVS, > for example if a port goes down or is disconnected. > > > > According to the POX Wiki this can be achievend through using > openflow.discovery but I cannot find any example on how to use this. > > Well, it depends what you mean by a port going down. If you mean a port > being administratively downed, you can see this by listening for port > events. But if you are looking for links which are dying/disappearing > (e.g., cables cut), then you might want to use discovery. The > forwarding.l2_multi component uses discovery. Basically you just listen to > it and it will raise events when links are discovered/"undiscovered". > > -- Murphy
