https://community.intel.com/t5/Ethernet-Products/82599%E7%BD%91%E5%8D%A1%E5%9B%9E%E7%8E%AF%E6%A8%A1%E5%BC%8F%E8%AE%BE%E7%BD%AE%E6%96%B9%E6%B3%95/m-p/1746052#M44226 <P>你好，我使用82599 10 GbE网卡与XILINX XC7VX690T FPGA进行万兆网络通信，发现FPGA--&gt;网卡方向有误码，现在需要在82599网卡设置其为RX--&gt;TX Loopback模式，方便FPGA端使用IBERT工具进行链路参数的扫描。请问在linux操作系统下，如何将82599网卡设置为RX--&gt;TX Loopback模式？</P> Tue, 28 Apr 2026 10:16:30 GMT lwbprist 2026-04-28T10:16:30Z https://community.intel.com/t5/Ethernet-Products/82599%E7%BD%91%E5%8D%A1%E5%9B%9E%E7%8E%AF%E6%A8%A1%E5%BC%8F%E8%AE%BE%E7%BD%AE%E6%96%B9%E6%B3%95/m-p/1746052#M44226 <P>你好，我使用82599 10 GbE网卡与XILINX XC7VX690T FPGA进行万兆网络通信，发现FPGA--&gt;网卡方向有误码，现在需要在82599网卡设置其为RX--&gt;TX Loopback模式，方便FPGA端使用IBERT工具进行链路参数的扫描。请问在linux操作系统下，如何将82599网卡设置为RX--&gt;TX Loopback模式？</P> Tue, 28 Apr 2026 10:16:30 GMT https://community.intel.com/t5/Ethernet-Products/82599%E7%BD%91%E5%8D%A1%E5%9B%9E%E7%8E%AF%E6%A8%A1%E5%BC%8F%E8%AE%BE%E7%BD%AE%E6%96%B9%E6%B3%95/m-p/1746052#M44226 lwbprist 2026-04-28T10:16:30Z https://community.intel.com/t5/Ethernet-Products/82599%E7%BD%91%E5%8D%A1%E5%9B%9E%E7%8E%AF%E6%A8%A1%E5%BC%8F%E8%AE%BE%E7%BD%AE%E6%96%B9%E6%B3%95/m-p/1746125#M44227 <P>Hi <A href="https://isvc.lightning.force.com/lightning/r/LiSFIntegration__Li_Community_User__c/a4lVz00000XdL4qIAF/view" rel="noopener noreferrer" target="_blank" style="font-size: 14px;"><U>lwbprist</U></A></P><P><BR /></P><P>Greetings!</P><P><BR /></P><P>As you are looking for information regarding 82599 Network Card Loopback Mode Setup Method which is an FPGA product, we would like to inform you that FPGA support has been fully transitioned to Altera.</P><P><BR /></P><P>For further assistance regarding product-specific documentation, we recommend reaching out directly through the Altera website:&nbsp;<A href="https://www.altera.com/" rel="noopener noreferrer" target="_blank">https://www.altera.com/</A></P><P><BR /></P><P>Unfortunately we are unable to extend support for this product, as it falls outside of our support boundaries and will proceed to close the request.</P><P><BR /></P><P>Please don’t hesitate to reach out with any further questions in the future. Feel free to start a new conversation, as this thread will no longer be monitored.</P><P><BR /></P><P>Best Regards,</P><P>Mohammed Ali CM</P><P>Intel Customer Support Technician</P><BR /> Tue, 28 Apr 2026 22:36:17 GMT https://community.intel.com/t5/Ethernet-Products/82599%E7%BD%91%E5%8D%A1%E5%9B%9E%E7%8E%AF%E6%A8%A1%E5%BC%8F%E8%AE%BE%E7%BD%AE%E6%96%B9%E6%B3%95/m-p/1746125#M44227 MACM 2026-04-28T22:36:17Z