No USRPs found on interface eth0

Dear All,

I will ask you very old and classical question:
‘RuntimeError: No USRPs found on interface eth0’

I have USRP N200

I run:
$ sudo ifconfig eth0 192.168.10.1
$ uhd_find_devices
linux; GNU C++ version 4.4.1; Boost_103800;
UHD_003.005.004-140-gfb32ed16


– UHD Device 0

Device Address:
type: usrp2
addr: 192.168.10.2
name:
serial: F3F0D3
$ sudo find_usrps
No USRP2 found.
$ sudo ftw_ofdm_tx.py --interface=eth0 --freq=2.412e9 --interp=5
–payload=“some arbitrary text as MSDU ASCII payload” --regime=1
Traceback (most recent call last):
File “/usr/local/bin/ftw_ofdm_tx.py”, line 171, in
main()
File “/usr/local/bin/ftw_ofdm_tx.py”, line 153, in main
tb = my_top_block(options, my_msg)
File “/usr/local/bin/ftw_ofdm_tx.py”, line 59, in init
self._setup_usrp_sink()
File “/usr/local/bin/ftw_ofdm_tx.py”, line 72, in _setup_usrp_sink
self.u = usrp2.sink_32fc(self._interface, self._mac_addr)
File “/usr/lib/python2.6/dist-packages/gnuradio/usrp2.py”, line 1102,
in sink_32fc
return _usrp2.sink_32fc(*args, **kwargs)
RuntimeError: No USRPs found on interface eth0

Can you please help me to find a solution to this problem?

The solution is the USRP2 interface is no longer supported, and software
which uses it must be ported to UHD. The find_usrps tool is no longer
usable with modern Ettus hardware.

–n


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Yes, more than 3 years old software :slight_smile:
https://www.cgran.org/wiki/ftw80211ofdmtx

Thanks!

NE

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