Hi Sergio,

I've never used the OpenWRT openflow firmware but I'm guessing if you figure
out where ofprotocol is called you can add the option to set the dpid.

  nl:DP_IDX               local datapath DP_IDX


(see ofprotocol --help)

Just guessing though.

Aaron

2011/9/26 Sergio Jiménez Feijóo <sergio.j...@gmail.com>

> **
> Hi Aaron,
>
> I'm using several Linksys WRT54GL with a variation of the OpenWRT firmware
> which enables them to run OpenFlow. You can find more info here:
> http://www.openflow.org/wk/index.php/Pantou_:_OpenFlow_1.0_for_OpenWRT
>
> It seems that they run OpenFlow by software and their datapathid changes
> everytime I boot them.
>
> Sergio.
>
> El 26/09/11 17:15, Aaron Rosen escribió:
>
> What switches are you using that their values change after reboot? There
> should be a way to get the switch to save this info.
>
>  Aaron
>
> 2011/9/26 Sergio Jiménez Feijóo <sergio.j...@gmail.com>
>
>> 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.
>> _______________________________________________
>> nox-dev mailing list
>> nox-dev@noxrepo.org
>> http://noxrepo.org/mailman/listinfo/nox-dev
>>
>
>
>
>  --
> Aaron O. Rosen
> Masters Student - Network Communication
> 306B Fluor Daniel
>
>
>
>
> _______________________________________________
> nox-dev mailing list
> nox-dev@noxrepo.org
> http://noxrepo.org/mailman/listinfo/nox-dev
>
>


-- 
Aaron O. Rosen
Masters Student - Network Communication
306B Fluor Daniel
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