[syslinux] [RFC, PATCH] core/pxe: Add architecture-specific discovery request for PXE config file

[Don Cupp]

https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Installation_Guide/s1-netboot-pxe-config-efi.html




On Monday, February 24, 2014 8:50 PM, Gene Cumm <gene.cumm at gmail.com> wrote:
 
On Mon, Feb 24, 2014 at 10:09 PM, Jeremy Kerr <jk at ozlabs.org> wrote:
> Hi Gene,
>
>>> What I'm looking to do here is establish a bit of a convention for
>>> allowing machines of multiple architectures to be perform PXE
>>> configuration in a uniform way (in this case, without requiring the DHCP
>>> server to send out different lease parameters in response to the
>>> client's DHCP architecture ID).
>>
>> How do you have multiple architectures booting from the same directory
>> at this time?  What exact string is used by network boot clients of
>> each of the three architectures?
>
> This is only in-development at this stage, so I only have this going in
> a virtual environment. I have machines of separate architectures (x86
> PC-BIOS and PowerPC OPAL) booting from the same directory of pxe
> configuration files:
>
>  /pxelinux.cfg/arch-0000
>  /pxelinux.cfg/arch-000e
>
> The arch-0000 file is being used by for the x86 machines running
> pxelinux, and arch-000e for the powerpc machines running petitboot.

No, what string is used for a file name in the TFTP request for the
boot binaries (ie pxelinux.0 bootia32.efi bootx64.efi)?  How do you
manipulate the DHCP offer to evoke this behavior (ie a BIOS machine
receiving "pxelinux.0" in the DHCP/BOOTP field "file")

http://tools.ietf.org/html/rfc2131 Figure 1 for field file.


-- 
-Gene
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