# Connection fails, No UHD Devices Found **URL:** \ **Category:** GNU Radio\ **Created:** [December 14, 2013, 12:47pm UTC](https://www.ruby-forum.com/t/connection-fails-no-uhd-devices-found/238058 "2013-12-14T12:47:25Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![musicdenotation](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/ea666f/32.png) [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Post date:** [December 14, 2013, 12:47pm UTC](https://www.ruby-forum.com/t/connection-fails-no-uhd-devices-found/238058/1 "2013-12-14T12:47:25Z")
* * * ## Ubuntu 13.04, gnuradio 3.7, usrp N200 It is very annoying that sometimes I can not connect to the device using this command: ~$ sudo ifconfig eth0 192.168.10.1 I can ping 192.168.10.1, but ping 192.168.10.2 fails: ~$ sudo ifconfig eth0 192.168.10.1 ~$ ping 192.168.10.2 PING 192.168.10.2 (192.168.10.2) 56(84) bytes of data. From 192.168.10.1 icmp\_seq=1 Destination Host Unreachable From 192.168.10.1 icmp\_seq=2 Destination Host Unreachable From 192.168.10.1 icmp\_seq=3 Destination Host Unreachable ~$ uhd\_find\_devices linux; GNU C++ version 4.7.3; Boost\_104900; UHD\_003.006.000-0-g7788c692 No UHD Devices Found Why does it happen? How can I connect to USRP device? ## Thanks in advance! NE ---
**Author:** ![nesazeri](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/n/e19adc/32.png) [@nesazeri](https://www.ruby-forum.com/u/nesazeri)\ **Post date:** [December 14, 2013, 5:42pm UTC](https://www.ruby-forum.com/t/connection-fails-no-uhd-devices-found/238058/2 "2013-12-14T17:42:23Z")
On 12/14/2013 06:46 AM, Nasi wrote: > No UHD Devices Found > > Why does it happen? > How can I connect to USRP device? > > ## Thanks in advance! > > NE Most likely Network Manager is still thinking that your ethernet port is set for automatic address assignment via DHCP. YOu’ll have to make sure that your system configuration is set for static.