Connection fails, No UHD Devices Found

GNU Radio
1

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

2

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This is almost always caused by network-manager “managing” your device.
A simple solution is to first stop NM:
service network-manager stop
and then configuring your device as you did.

Also, you can try to configure network-manager to assign a static IP
to your eth0 interface. Just combining manual methods (ifconfig) and
automatism (network-manager) usually fails, because network-manager is
not quite respectful towards user-established links.

Greetings
Marcus

On 14.12.2013 12:41, Nasi wrote:

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

Ubuntu 13.04, gnuradio 3.7, usrp N200

Why does it happen?

How can I connect to USRP device?

Thanks in advance!

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