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Diffstat (limited to 'host/docs')
| -rw-r--r-- | host/docs/usrp_x3x0.dox | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/host/docs/usrp_x3x0.dox b/host/docs/usrp_x3x0.dox index f57ec783d..da5b3b91a 100644 --- a/host/docs/usrp_x3x0.dox +++ b/host/docs/usrp_x3x0.dox @@ -131,6 +131,23 @@ Installation instructions for this interface are available on the official Intel The LEDs on the front panel can be useful in debugging hardware and software issues (see \ref x3x0_hw_fpanel) +### Dual 10 Gigabit Ethernet + +In order to utilize the X-series USRP over dual 10 Gigabit Ethernet interfaces, ensure +either the XG or XGS image is installed (see \ref x3x0_load_fpga_imgs_fpga_flavours). +In addition to burning the prerequisite FPGA image, it may also be necessary +to tune the network interface card (NIC) to eliminate drops (Ds) and reduce overflows (Os). +This is done by increasing the number of RX descriptors (see \ref transport_udp_linux). + +The benchmark_rate tool can be used to test this capability. +Run the following commands to test the X-series USRP over both 10 Gigabit +Ethernet interfaces with the maximum rate of 200 Msps per channel: + + cd <install-path>/lib/uhd/examples + ./benchmark_rate --args="type=x300,addr=<Primary IP>,second_addr=<secondary IP>" --channels="0,1" --rx_rate 200e6 + +The second interface is specified by the extra argument <b>second_addr</b>. + \subsection x3x0_hw_pcie PCI Express (Desktop) <b>Important Note: The USRP X-Series provides PCIe connectivity over MXI cable. |