Hi,

I'm developping a NOX app which among other features estimates the power consumption of all the OpenFlow switches of the network.

In order to do this the controller needs to uniquely identify every switch by some sort of serial number or MAC address which would remain constant everytime the app runs. I have to do it this way because different switch models have different power consumption values.

I've already tried with datapathid but their values change everytime the switches reboot.

I would be very grateful if anyone could tell me if there is any way NOX can uniquely identify a switch.

Thanks in advance.
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