Hi Jeff, Thanks for your reply. when i try mii-tool i am getting following output
sudo mii-tool -v eth0 SIOCGMIIREG on eth0 failed: Input/output error SIOCGMIIREG on eth0 failed: Input/output error eth0: negotiated 1000baseT-FD flow-control, link ok product info: vendor 00:55:00, model 9 rev 0 basic mode: autonegotiation enabled basic status: autonegotiation complete, link ok capabilities: 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD advertising: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control link partner: 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD What does it show.Is it running at wrong speed.If yes then how do i change it. Why am i getting this error "SIOCGMIIREG on eth0 failed: Input/output error" What do you mean by direct connection? Thanks. On Tue, Mar 19, 2013 at 3:12 PM, Jeff Scaparra <[email protected]> wrote: > One thing it to ensure that your card is running at gigabit speed and > not auto-negotiated to 10/100 and not 1000. Since your on linux you could > run iftop and watch the connection speed. You can also verify the speed > with mii-tool. My interface is called enp7s0: > > > > [scap@Jupiter ~]$ sudo mii-tool -v enp7s0 > > > > enp7s0: negotiated 1000baseT-FD flow-control, link ok > > > product info: vendor 00:07:32, model 17 rev 4 > > > basic mode: autonegotiation enabled > > > basic status: autonegotiation complete, link ok > > > capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD > 10baseT-FD 10baseT-HD > > advertising: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD > 10baseT-FD 10baseT-HD flow-control > > link partner: 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD > 10baseT-HD flow-control > > If your interface is running at the wrong speed you may want to try a > direct connection to the USRP, a new cable, or worse case a new network > card. > > Best of luck, > > Jeff N6SDR > > > On Tue, Mar 19, 2013 at 12:30 AM, john jade <[email protected]>wrote: > >> Hi, >> >> I am getting overflow error ,even at low sampling rates.I am using USRP >> N210 device.If the sampling rate is less than 5MHz then there is no error.I >> know that USRP N210 can support at Max 25MHz.Can you please tell me what >> might be the problem? >> >> I just connected UHD source block to FFT sink in my example. >> >> My system specifications. >> >> OS :Ubuntu 12.10 >> processor :Intel Core i5-3570 CPU @ 3.40GHz × 4 >> RAM 4GB >> >> I am using 1Gbit Ethernet card. >> >> >> Thanks >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> [email protected] >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> >
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