I think I found out the possible source of problem. Toda I found out the following issues with “Packet Encoder/Decoder” blocks.
I replaced the TUNTAP PDU block with a Wav File Source and Audio Sink blocks at the transmitter and receiver, respectively. I noticed that always the receiver side must be executed after the transmitter side. Otherwise I cannot hear any audio. Now I wonder how I can solve this problem. BTW, I also tried to use the gnuradio tunnel.py example in /example/digital/narrowband; But it won’t work and it always give an error. The other tunnel.py example in /examples/digital/ofdm, however, works fine. But still I cannot ping the machines. Cheers. Regards, Mansour. https://www.linkedin.com/in/mojtaba-mansour-abadi-4311b451 Mojtaba Mansour Abadi Editorial Board Journal of Advanced Engineering IGRPS http://igrps.org/journal-of-advanced-engineering.php From: Cinaed Simson Sent: 14 June 2017 00:39 To: [email protected] Subject: Re: [Discuss-gnuradio] TUN/TAP PDU not working On 06/13/2017 12:41 PM, Mojtaba Mansour Abadi wrote: > Hi Everyone, > > > > I am trying to connect two PCs using B210 USRPs and tunnelling method. > > > > After going through examples and documents I came ups with the attached > flowgraph. > > > > I run the flowgraph on both machines and once the virtual Ethernet card > is created I use “ifconfig” command to assign an IP address to it. > > > > However the machines cannot ping each other. Did you bring up the interfaces? Are the IP addresses of the tuntaps reachable with a ping from your PC? -- Cinaed > > > > I use USB GNURadioLiveDVD > <https://wiki.gnuradio.org/index.php/GNURadioLiveDVD> as the OS. > > > > I wonder which part is not right. The flowgraph is also attached to the > email. > > > > > > Regards, > Mansour. > > https://www.linkedin.com/in/mojtaba-mansour-abadi-4311b451 > > Mojtaba Mansour Abadi > Editorial Board > Journal of Advanced Engineering > IGRPS > > http://igrps.org/journal-of-advanced-engineering.php > > > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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