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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