[ipxe-devel] Tftp transfer speed issues

Michael Brown mbrown at fensystems.co.uk
Tue Aug 7 11:29:21 UTC 2012

On Tuesday 07 Aug 2012 10:22:30 Alpar Torok wrote:
> First of all thanks for the great work don on this tool.
> I saw an issue with PXE booting winpe with bootmgr.exe over tftp.
> The wim image takes a lot of time to load. With iPXE it takes about 7
> minutes,
> while with pxelinux.0  it loads in about 2,  on the same setup.
> gPXE takes way more, 30 minutes!
> Does anybody have a clue on why that  is?

Is bootmgr.exe using the TFTP, UDP, or UNDI API?

You can find out which one it is by building with 
DEBUG=pxe_tftp:3,pxe_udp:3,pxe_undi:3.  You'll get a very large number of 
debug messages; it should be fairly obvious whether they're mentioning 



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