Hi,

These are the output of the commands:

PC1:

enp0s31f6 Link encap:Ethernet  HWaddr f4:8e:38:b3:42:db
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:19 Memory:f7e80000-f7ea0000

enp5s0    Link encap:Ethernet  HWaddr 00:0a:f7:93:1a:93
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:18

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:8305 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8305 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:617488 (617.4 KB)  TX bytes:617488 (617.4 KB)

tap0      Link encap:Ethernet  HWaddr 02:89:56:03:96:e1
          inet addr:192.168.200.1  Bcast:192.168.200.255  Mask:255.255.255.0
          inet6 addr: fe80::89:56ff:fe03:96e1/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:10000  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:10 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:732 (732.0 B)



PC2:

enp0s31f6 Link encap:Ethernet  HWaddr d4:81:d7:9b:de:e5
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:16 Memory:ef300000-ef320000

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:1428 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1428 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:108539 (108.5 KB)  TX bytes:108539 (108.5 KB)

tap0      Link encap:Ethernet  HWaddr 86:2f:2a:03:4c:35
          inet addr:192.168.200.10  Bcast:192.168.200.255
 Mask:255.255.255.0
          inet6 addr: fe80::842f:2aff:fe03:4c35/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:10000  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:10 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:732 (732.0 B)

wlp2s0    Link encap:Ethernet  HWaddr 14:ab:c5:3c:96:73
          inet6 addr: fe80::2c1a:98d8:1f9f:9d23/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:618 errors:0 dropped:0 overruns:0 frame:0
          TX packets:128 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:75975 (75.9 KB)  TX bytes:14759 (14.7 KB)



I also noticed something odd.
When I run the flowgraph on the machines. Tx and Rx LEDs are one on both
USRPS.
However as soon as I assign an IP Address to the virtual eth cards, the Rx
LED on one of the USRPs goes off.
It happens randomly so sometimes it is PC1 side and sometimes PC2.

Cheers.

On 14 June 2017 at 23:05, Cinaed Simson <[email protected]> wrote:

> On 06/14/2017 12:15 AM, [email protected] wrote:
> > I don't know exactly what you mean by bringing up interfaces.
> >
> > Let's say I assign 192.168.200.1 to PC1.
> > For sure I can ping 192.168.200.1 on PC1.
> > But from PC2, this destination is unreachable.
> >
> > I don't know what the issue could be. Since. I'm just a Linux user (not
> an expert) I have no clue where the problem is.
>
> I'm going to assume the B210 isn't using the IP address
>
>   192.168.200.1
>
> Can you ping the B210 from PC1?
>
> The B210 should be using the IP address
>
>   192.168.200.2
>
> Unless you create a virtual Ethernet device on PC2 you'll never be able
> to ping the PC1 or the B210 from PC2.
>
> Also, post the outputs of
>
>   ifconfig
>
> for PC1 and PC2.
>
> Also, I don't know anything about the B210 - it may not be possible to
> do what you're trying to do - but try it anyway.
>
> -- Cinaed
>
>
>
> >
> > Cheers.
> >
> > Sincerely,
> > Mansour.
> >
> >> On 14 Jun 2017, at 00:39, Cinaed Simson <[email protected]>
> wrote:
> >>
> >>> 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
> >>>
> >>
> >>
> >> _______________________________________________
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> >
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> >
>
>
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-- 

Regards,
Mansour.

Research Assistant, School of Engineering
University of Glasgow
https://www.linkedin.com/in/mojtaba-mansour-abadi-4311b451

Editorial Board
Journal of Advanced Engineering
IGRPS
http://igrps.org/journal-of-advanced-engineering.php

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