On Mon, Dec 22, 2008 at 10:46 AM, Andreas Köpke <koepke at tkn.tu-berlin.de> wrote: ... > Strange observations (not in all experiments): > - the sink node does not start to send beacons for 4 hours. Then > starts and everything works fine. ... Any ideas why the sink waits for 4 hrs to send the first beacon? Could this be a software bug? - om_p