[ipxe-devel] Tftp transfer speed issues

Alpar Torok alpar-istvan.torok at hp.com
Tue Aug 7 12:05:07 BST 2012


On 08/07/2012 02:02 PM, Christian Hesse wrote:
> Robin Smidsrød <robin at smidsrod.no> on Tue, 2012/08/07 12:39:
>> On 07.08.2012 11:22, Alpar Torok wrote:
>>> 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 this a known issue/ missing feature that pxelinux has ?
>> Have you been using the most recent checkout from git when building the
>> iPXE binary? The last few weeks have seen some substantial TCP/IP
>> improvements.
> TFTP is UDP/IP, so this should not have any affect. TFTP has bad performance
> in general, but there should not be such a big difference...
I just cloned and  built from the git tree to make sure.
The  download speed is the same with the latest source.


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