Does X540-T2 support MDI-X

[TEide]

In the user guide the following is written:

Intel Gigabit and 10 Gigabit Server Adapters using copper connections automatically accommodate either MDI or MDI-X connection.

When i run ethtool:

Settings for enp1s0f0:

    Supported ports: [ TP ]

    Supported link modes:  100baseT/Full

                1000baseT/Full

                10000baseT/Full

    Supported pause frame use: Symmetric

    Supports auto-negotiation: Yes

    Supported FEC modes: Not reported

    Advertised link modes: 100baseT/Full

                1000baseT/Full

                10000baseT/Full

    Advertised pause frame use: Symmetric

    Advertised auto-negotiation: Yes

    Advertised FEC modes: Not reported

    Speed: 10000Mb/s

    Duplex: Full

    Port: Twisted Pair

    PHYAD: 0

    Transceiver: internal

    Auto-negotiation: on

    MDI-X: Unknown

    Supports Wake-on: d

    Wake-on: d

    Current message level: 0x00000007 (7)

                drv probe link

    Link detected: yes

Does it support MDI-X or not?

[Crisselle_Intel]

Hello TEide,

Thank you for posting in Intel Ethernet Communities. 

Intel® Ethernet Converged Network Adapter X540-T2 support MDI-X. Please refer to the link below for the recommended cables to use.

Section 3.6.3.2.1 Automatic MDI Cross-Over and Lane Inversion on page 93.

https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/ethernet-x540-datasheet.pdf

You may also visit this link for Cable Requirements for Intel® Ethernet Converged Network Adapter X540 Series

https://www.intel.com/content/www/us/en/support/articles/000007404/network-and-i-o/ethernet-products.html

Hope the above information helps. Let us know if you have additional questions and clarifications on this matter. 

Best regards,

Crisselle C

Intel Customer Support

Under Contract to Intel Corporation

[Crisselle_Intel]

Hello TEide,

We'd like to check if we were able to address your query. Should you have additional questions on this matter, please let us know and we will be glad to help.

Best regards,

Crisselle C

Intel Customer Support

Under Contract to Intel Corporation

[TEide]

Hi Crisselle C

I was able to address my query.

I found the isuss as well. I was baffled that linux dosen't have any background traffic (like windows have), send to my windows machine. So the byte counter as was 1000 to 0 bytes.

[Crisselle_Intel]

Hello TEide,

That's glad to hear. Just in case that you have any other concerns or assistance needed in the future, feel free to contact us and we will be glad to be of help.

Best regards,

Crisselle C

Intel Customer Support

Under Contract to Intel Corporation