Public bug reported:
This works fine:
UEFI > real DHCP > shimx64.efi over TFTP > grubx64.efi over TFTP.
In the scenario above, if we change "real" with "proxy", it fails,
because it's trying to download grubx64.efi from the real DHCP server
instead of the proxy one.
A proxy DHCP server is one that only sends the boot filename, and leaves
the IP assignments to the real DHCP server. We use that a lot in the
ltsp.org and in other netbooting projects, as it avoids the need for a
special network setup.
Sample dnsmasq.conf for proxy setup:
enable-tftp
tftp-root=/var/lib/tftpboot
dhcp-range=10.161.254.0,proxy,255.255.255.0
pxe-service=X86-64_EFI,"Boot from network",shimx64.efi
** Affects: shim (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1813541
Title:
Shim uses wrong TFTP server IP in proxyDHCP mode
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