Local Loopback Disable

NVIDIA MLNX_EN Documentation v24.04-0.6.6.0

Local Loopback Disable feature allows users to force the disablement of local loopback on the virtual port (vport). This disables both unicast and multicast loopback in the hardware.

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To enable Local Loopback Disable, run the following command:

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echo 1 > /sys/class/net/<ifname>/settings/force_local_lb_disable"

To disable Local Loopback Disable, run the following command:

Procedure_Heading_Icon-version-1-modificationdate-1714837931450-api-v2.PNG

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echo 0 > /sys/class/net/<ifname>/settings/force_local_lb_disable"

Note

When turned off, the driver configures the loopback mode according to its own logic.

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