Local Loopback Disable

NVIDIA MLNX_OFED Documentation v23.10-2.1.3.1 LTS

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

Procedure_Heading_Icon-version-1-modificationdate-1551036692133-api-v2.PNG

To enable Local Loopback Disable, run the following command:

Copy
Copied!
            

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-1551036692133-api-v2.PNG

Copy
Copied!
            

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

Warning

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

Last updated on Feb 29, 2024.