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On HPE ProLiant platforms configured with HPE Mellanox/NVIDIA ConnectX-6-based network adapters with firmware version 26.43.1014 listed in the Scope section below; when a network Pre-boot eXecution Environment (PXE) Boot with VLAN enabled is performed, a PXE boot failure on both IPv4 and IPv6 settings may be experienced.This issue occurs because some tagging packets for VLAN are not handled properly when the Pre-boot eXecution Environment (PXE) Boot Filter is enabled.
Any HPE ProLiant platforms configured with either of the following HPE Mellanox/NVIDIA ConnectX-6-based network adapters with firmware version 26.43.1014:Mellanox MCX631432AS-ADAI Ethernet 10/25Gb 2-port SFP28 OCP3 Adapter for HPE (P42041-B21)Mellanox MCX631102AS-ADAT Ethernet 10/25Gb 2-port SFP28 Adapter for HPE (P42044-B21)
To resolve this issue, download and install the following firmware components:Mellanox Firmware Package (FWPKG) - Mellanox MCX631102AS-ADAT Ethernet 10/25Gb 2-port SFP28 Adapter for HPE Version 26.44.1036Mellanox Firmware Package (FWPKG) - Mellanox MCX631432AS-ADAI Ethernet 10/25Gb 2-port SFP28 OCP3 Adapter for HPE Version 26.44.1036WorkaroundPerform the following steps:Disable the PXE Boot Filter in the Human Interface Infrastructure (HII) menu of the BIOS/Platform Configuration (RBSU), by performing the following steps:Press F9 during Power-On Self-Test (POST) to enter System Configuration.Select the desired ConnectX-6 adapter in the System Configuration Page.Go to Device Level Configuration, and change "Disabled" to "PXE Boot Filters".Reboot the server.Roll back to firmware to 26.42.1000 (or prior). Download the firmware from the following URLs:Mellanox Firmware Package (FWPKG) - Mellanox MCX631432AS-ADAI Ethernet 10/25Gb 2-port SFP28 OCP3 Adapter for HPE Version 26.42.1000Mellanox Firmware Package (FWPKG) - Mellanox MCX631102AS-ADAT Ethernet 10/25Gb 2-port SFP28 Adapter for HPE Version 26.42.1000Revision HistoryDocument VersionRelease DateDetails2December 9, 2025Resolution section has been updated with a new fix.1April 2, 2025Original Document Release.
Operating Systems Affected:Not Applicable
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