Port Type Management

Red Hat Enterprise Linux (RHEL) 9.2 Driver Documentation

ConnectX®-3 onwards adapter cards’ ports can be individually configured to work as InfiniBand or Ethernet ports. By default, ConnectX® family adapter cards VPI ports are initialized as InfiniBand ports. If you wish to change the port type use the mstconfig after the driver is loaded.

  1. Install mstflint tools

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    yum install mstflint

  2. Check the device’s PCI address.

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    lspci | grep Mellanox

    Example:

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    00:06.0 Infiniband controller: Mellanox Technologies MT27520 Family [ConnectX-3 Pro]

  3. Use mstconfig to change the link type as desired—IB (InfiniBand) or ETH (Ethernet).

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    mstconfig –d <device pci> s LINK_TYPE_P1/2=<ETH|IB|VPI>

    Example:

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    # mstconfig -d 00:06.0 s LINK_TYPE_P1=ETH   Device #1: ----------   Device type: ConnectX3Pro PCI device: 00:06.0    Configurations: Current New LINK_TYPE_P1 IB(1) ETH(2)   Apply new Configuration? ? (y/n) [n] : y Applying... Done! -I- Please reboot machine to load new configurations.

  4. Reboot your machine.

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