Disable/Enable NICs

Disable/Enable First-gen Gaudi NICs

You can disable or enable Gaudi NICs from a machine only with privileged ELBI access. Make sure ELBI is not blocked on the machine. Run the below commands only when the driver is not loaded.

  • To disable Gaudi NICs, run the following command:

hl-fw-loader -f /lib/firmware/habanalabs/gaudi/gaudi-nic-dis.itb

  • To enable Gaudi NICs, run the following command:

hl-fw-loader -f /lib/firmware/habanalabs/gaudi/gaudi-nic-en.itb

Disable/Enable Gaudi 2 External NICs

You can disable or enable Gaudi external NICs using hl-fw-loader. The NIC state is stored in EEPROM, which makes it persistent. Run the below commands only when the driver is not loaded.

  • To disable Gaudi external NICs, run the following command:

hl-fw-loader -f /lib/firmware/habanalabs/gaudi2/gaudi2-nic-no_ext.itb

  • To enable Gaudi external NICs, run the following command:

hl-fw-loader -f /lib/firmware/habanalabs/gaudi2/gaudi2-nic-default.itb

This command can be executed from host (inband) or BMC (out-of-band).