Hi Dave, Not sure whether we had the same issue. We modified the original tunnel.py to a multichannel based tunnel. We were able to connect multiple nodes (USRP2+WBX) initially after running tunnel.py. We could ping every nodes. After a while, some nodes started to fail. If we restarted the failing nodes, ping went through again. We were operating with 3 channels and 100kbps each on 400MHz.
Does anyone have a clue what is going on? An On Fri, Aug 13, 2010 at 3:00 PM, David Barton <david.barto...@yahoo.com>wrote: > Hi, > > I am having trouble with the tunnel.py in the digital foler appear to stop > working after a while when using lower bitrates (around 0.5 MB/s) . When I > first set up the newtork I am able to ping other nodes with no problem. > After some time (sometimes less than half an hour) the pings are no longer > sucessful. I checked and the gr interface remains up and correctly > configured with the ip address. When I ping out any host I can see the > transmission on a spectrum analyzer so I know the transmit path is still > functioning. Higher bit rates seem to work for much longer periods of time. > Has anyone else had similar issues with these bit rates? If so has anyone > figured out the cause of the lost connectivity? > > I am using USRP2s with WBX cards and using 400 MHz carrier frequency. No > other application traffic is being sent over the network. > > Thanks, > Dave > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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