You might want to look into benchmark_rate. https://kb.ettus.com/Verifying_the_Operation_of_the_USRP_Using_UHD_and_GNU_Radio
Sent from my iPhone > On Jul 21, 2020, at 11:20 AM, Marcus D Leech <patchvonbr...@gmail.com> wrote: > > The ports that iperf3 terminate on would be inside the ARM host in the Zynq. > I would not expect stunning performance there. > > For actual data, which is what you care about, the streams originate inside > the FPGA logic. > > > > Sent from my iPhone > >>> On Jul 21, 2020, at 10:59 AM, Pavlos Basaras via USRP-users >>> <usrp-users@lists.ettus.com> wrote: >>> >> >> Hello, >> >> i installed the usrp n310 following the instructions from >> https://kb.ettus.com/USRP_N300/N310/N320/N321_Getting_Started_Guide >> >> I have the same uhd between the usrp and the host >> >> output of "uhd_find_devices" >> [INFO] [UHD] linux; GNU C++ version 5.4.0 20160609; Boost_105800; >> UHD_3.15.0.HEAD-0-gaea0e2de >> -------------------------------------------------- >> -- UHD Device 0 >> -------------------------------------------------- >> Device Address: >> serial: 31B4030 >> addr: 192.168.20.2 >> claimed: False >> mgmt_addr: 192.168.10.2 <-- sfp0 >> mgmt_addr: 192.168.20.2 <-- sfp1 >> mgmt_addr: 192.168.40.70 <-- this is from the dhcp >> product: n310 >> type: n3xx >> >> >> I can ping and ssh connect through any interface. >> The uhd_usrp_probe command also appears to be correct also. >> >> >> >> The host has a network adapter x520-da2 with two sfp+ ports, one of which is >> configured to be connected with the sfp 1 port of the usrp at 10G, whereas i >> use another port (on a DIFFERENT NIC on the host) at 1G to connect to sfp >> port 0 of the usrp. >> For the fpga image as indicated by the quide i used: uhd_image_loader --args >> "type=n3xx,addr=<N3xx_IP_ADDR>,fpga=HG" to have 1G for sfp 0 and 10G for the >> sfp 1. >> >> I am trying to test the speed limit between the host and the host with >> iperf3. >> >> 1--- For the sfp0 (1G port) the speed is limited to about 200Mbps, which is >> very low compared to the 1G port. I connect the host to the usrp with the 1 >> RJ45 – SFP+ Adapter and the cat5e ethernet cable that came with the >> usrpn310. I should see a significantly >> higher speed (close to 1G), correct? >> >> 2--- For the sfp1(10G port) the speed is a bit higher e.g, 300Mbps, but >> after only a few seconds it crushes with the error: iperf3: error - control >> socket has closed unexpectedly. I am not sure if the problem is an iperf3 >> related error/bug or there is stg wrong with the general setup. After this >> failure the connection over the sfp1 port is lost, i cannot run another >> iper3 test again or ping to this port. I also trying ifconfig down/up but it >> does not work. Only after reboot i can reuse sfp port 1/ >> >> Example test: >> iperf3 -s >> iperf3 -c 192.168.20.2 -P 20 >> >> any suggestions??? >> >> all the best, >> Pavlos. >> >> >> _______________________________________________ >> USRP-users mailing list >> USRP-users@lists.ettus.com >> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
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