Intel PXE bootroms

Gary Jackson bargle at
Fri Jul 20 12:00:16 EDT 2001

On Fri, 20 Jul 2001, Felix Rauch wrote:

>On Thu, 19 Jul 2001, Gary Jackson wrote:
>> I'm having some trouble getting machines using Intel PXE bootroms
>> netbooting.  The machine with the DHCP server sees their requests, and
>> responds, but the clients don't seem to want to boot with what they've
>> been given.  Once Linux is up, I have no problem getting an IP through
>> DHCP.  Portfast is enabled on all relevant switch ports.
>> I haven't had any problem getting nodes with 3com PXE bootroms to
>> boot.
>We once had a similar problem with some PXE bootroms. It seems that
>some version of them need two ports for their DHCP protocol: They
>first communicate on the default DHCP-port (somwhere between 60 and 90
>IIRC), but after getting the answer they try another request on a much
>higher port (1000-2100?). I once solved that problem by having another
>additional PXE-software running on our DHCP-server. Unfortunately I
>don't remember the details of that software :-(

Ah, would that second server be the mtftp service?

					Gary Jackson
					bargle at

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