1 Reply Latest reply on Apr 16, 2018 9:07 PM by Intel Corporation

    Use SGMII interface on 82599ES NIC




      I have a PC with the 82599ES NIC and the TE 2127931-1 SFP+ transceiver to allow a 10Gb connection.

      For my project, I need to use one of the port of the NIC with the SGMII interface instead of the XAUI one in order to have a 1Gb connection.

      From the NIC datasheet (Intel® 82599 10 Gigabit Ethernet Controller: Datasheet), it seems that it can be done but I can't succeed to make it work.

      Indeed, when I use ethtool, I have the following output:


          Supported ports: [ FIBRE ]

          Supported link modes:   10000baseT/Full

          Supported pause frame use: Symmetric

          Supports auto-negotiation: No

          Advertised link modes:  10000baseT/Full

          Advertised pause frame use: Symmetric

          Advertised auto-negotiation: No

          Speed: 10000Mb/s

          Duplex: Full

          Port: Direct Attach Copper

          PHYAD: 0

          Transceiver: internal

          Auto-negotiation: off

          Supports Wake-on: d

          Wake-on: d

          Current message level: 0x00000007 (7)

                         drv probe link

          Link detected: yes


      As you can see, there is no 1Gb speed in the supported mode.

      Can somebody tell me what I am missing and what should I do to use the SGMII interface ? (note that the port with the 10Gb connection works as expected)