Hello, Yes, that was the issue. The network manager kept a previous IP address and ignored the ifconfig command. It works now.
Thank you, Maria 2016-02-24 16:25 GMT+02:00 Marcus Müller <marcus.muel...@ettus.com>: > My suspicion is exactly that, network manager just "manages something", > which conflicts with your settings in /etc/network/interfaces. Can you, via > the "connection settings" menu, configure your card to the same static > address, ...10.1? > > Best regards, > Marcus > > > On 02/23/2016 10:27 PM, Maria Christopoulou wrote: > > Hello, > > The output of "lspci|grep -i ether" is: > > *00:19.0 Ethernet controller: Intel Corporation Ethernet Connection I217-V* > *02:00.0 Ethernet controller: Qualcomm Atheros AR8161 Gigabit Ethernet > (rev 10) (this is eth0)* > > I am doing the following: *sudo ifconfig eth0 192.168.10.1 netmask > 255.255.255.0* > > I have also configured* /etc/network/interfaces* like this: > > *# interfaces(5) file used by ifup(8) and ifdown(8)* > *auto lo* > *iface lo inet loopback* > > *auto eth0* > *iface eth0 inet static* > *address 192.168.10.1* > *netmask 255.255.255.0* > *gateway 0.0.0.0* > > > However, in the Network Connections menu, the IPv4 settings are: > Address: 192.168.10.3 > Netmask: 255.255.255.0 > Gateway: 0.0.0.0 > > and the Method is set to "Manual", for static IP addressing. > > It seems that the Network Manager doesn't take into account the ifconfig > command. > Do you think that this could cause the problem? > > Regarding the netmask of the USRP, it seems like a default value. Could it > be related to this? > > > Thank you, > Maria > > 2016-02-23 8:41 GMT+02:00 Marcus Müller <marcus.muel...@ettus.com>: > >> Indeed! Thanks for jumping in! >> >> >> Am 23. Februar 2016 00:04:10 MEZ, schrieb Gregory Ratcliff < >> <n...@att.net>n...@att.net>: >>> >>> Marcus, >>> >>> Just so that Maria doesn't get too confused, I think you meant: >>> >>> 192.168.10.XXX network (except .2), and configure the network manager >>> for "static" addressing. >>> >>> Greg >>> >>> On Feb 22, 2016, at 4:53 PM, Marcus Müller <marcus.muel...@ettus.com> >>> wrote: >>> >>> Hello Maria, >>> >>> the reason I most often encountered for this is that in the middle of >>> operation, Ubuntu decided to reconfigure the network interface. Make sure >>> you set the network interface to a valid address from the 19.168.10.XXX >>> network (except .2), and configure the network manager for "static" >>> addressing. >>> >>> also, for some reason, your USRP's subnet mask as reported by >>> uhd_usrp_probe seems wrong; it should be something like 255.255.255.0, not >>> 255.255.255.255. >>> >>> By the way, what is your network card? (you can find out by doing >>> "lspci|grep -i ether", usually) >>> >>> Best regards, >>> Marcus >>> >>> On 02/22/2016 10:36 PM, Maria Christopoulou wrote: >>> >>> Hello, >>> >>> I have the following system configuration: >>> >>> Ubuntu 14.04, 64-bit, 3.17.0-lowlatency >>> Gnuradio v3.7.8 >>> and a USRP N2930, with UHD_003.009 version installed. >>> >>> The script uhd_find_devices works properly and the output of >>> uhd_usrp_probe is the following: >>> >>> >>> https://drive.google.com/file/d/0B9y0kqNk6AFgNnpFLWcwZ2E4WDQ/view?usp=sharing >>> >>> >>> When I execute the uhd_fft.grc flowgraph, the program runs for a few >>> seconds but suddenly freezes, showing the following output in the terminal: >>> >>> >>> https://drive.google.com/file/d/0B9y0kqNk6AFgY2NpdW0yS2sxMDA/view?usp=sharing >>> >>> Could you please give me some guidelines to solve this issue? >>> >>> >>> Best regards, >>> Maria Christopoulou >>> >>> >>> _______________________________________________ >>> Discuss-gnuradio mailing >>> listDiscuss-gnuradio@gnu.orghttps://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>> >>> >>> _______________________________________________ >>> Discuss-gnuradio mailing list >>> Discuss-gnuradio@gnu.org >>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>> >>> >> -- >> Sent from my Android device with K-9 Mail. Please excuse my brevity. >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> > >
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