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November 12th, 2021 19:00

IPMI and redfish PXE boot once uses always the same wrong NIC

I am trying to PXE boot off either integrated NIC2 (Broadcom) or Slot1-port2 NIC (Intel) on a R730xd. I have enabled the integrated NIC2 PXE boot in BIOS / Device Settings and everything works if I press F12 button on boot to enable PXE boot. The PXE boot initiated by pressing F12 always follows the BIOS settings correctly, PXE booting the NIC that is enabled.

But if I enable PXE boot using IPMI or redfish, the boot is using wrong NIC. It is as if the BIOS configuration does not matter when PXE boot once was requested using IPMI or redfish - it always uses the same wrong NIC, no matter which devices have PXE enabled in BIOS/UEFI "Device Settings" or option ROM.

I am booting in legacy mode, not UEFI mode.

 

It works fine on older servers but only the 13th generation server has this issue. The same process works for older servers and all servers have similar configuration (legacy BIOS boot mode etc.)

I have attempted both ipmi_boot Ansible module (which works right for older servers) and the redfish_command Ansible module. So when enabling PXE boot once using redfish, is there some way to force it to use "NIC.Integrated.1-2-1" or some other specified NIC?

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