Michael Brown 3df8f9c379 [efi] Try all supported autoexec protocols
When chainloaded from another iPXE, there will be both a virtual
filesystem and a managed network protocol available through which we
could attempt to load autoexec.ipxe.

Try both of these, with the virtual filesystem attempted first so that
an autoexec.ipxe that was explicitly downloaded by the chainloading
iPXE will have the highest priority.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
2026-03-05 12:59:31 +00:00

iPXE network bootloader

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iPXE is the leading open source network boot firmware. It provides a full PXE implementation enhanced with additional features such as:

  • boot from a web server via HTTP or HTTPS,

  • boot from an iSCSI, FCoE, or AoE SAN,

  • control the boot process with a script,

  • create interactive forms and menus.

You can use iPXE to replace the existing PXE ROM on your network card, or you can chainload into iPXE to obtain the features of iPXE without the hassle of reflashing.

iPXE is free, open-source software licensed under the GNU GPL (with some portions under GPL-compatible licences).

You can download the rolling release binaries (built from the latest commit), or use the most recent stable release.

For full documentation, visit the iPXE website.

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