There is a persistent setting on the XL710 such that it can be either 40GBASE or 4x10GBASE. Intel has a utility that you can use to program this setting. Perhaps this is the issue for you? Rob
On Tue, Apr 4, 2023 at 1:43 PM <h57jaf...@gmail.com> wrote: > Hello, > > I am trying to integrate USRP-X410 with XL710 intel PCIe NIC card through > QSFP ports. > > LED on both sides is off and I cannot ping USRP (192.168.10.2 and > 192.168.20.2) through XL710. PCI card ports can be ping successfully, as IP > addresses configured in the same subnetwork. Therefore, it seems link > cannot establish between USRP-X410 and XL710 NIC. I think, it may because > of rate mismatch between USRP-X410 and XL710 NIC card. (While USRP X410 > with QSFP28 supports 10GE and 100GE, XL710 with QSFP+ only supports 40GE). > Is there any way of auto-negotiating for speed in USRP, or other solution > to help overcome this issue. Thank you. > > Here is my hardware setup. > > - Ubuntu 22.04 > > - USRP X410 > > - UHD v4.4.0.0 > > - GNU radio v3.10.5.1 > > - Dual Port 40G QSFP+ NIC - Intel XL710 > > - 40G QSFP+ DAC Cable - 40GBASE-CR4 Passive Direct Attach Copper > Twinax QSFP Cable (from 10Gtek) > > BTW, I tried both X4_200 (10GE) and CG_400 (100GE) FPGA flavors, but still > same problem. > _______________________________________________ > USRP-users mailing list -- usrp-users@lists.ettus.com > To unsubscribe send an email to usrp-users-le...@lists.ettus.com >
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