[syslinux] memdisk and iso

[H. Peter Anvin]

I have to say I wonder how much of this is iPXE and much is syslinux...

Gene Cumm <gene.cumm at gmail.com> wrote:

>On Thu, Jun 6, 2013 at 5:01 PM, H. Peter Anvin <hpa at zytor.com> wrote:
>> Very odd!
>>
>> This shows a TFTP connection being correctly established and then
>> disconnected, with all the negotiation involved.  I'm wondering if it
>is
>> iPXE that is playing games with us here...
>
>Packets 301-306, 309-312 show two successful attempts to read
>linux-install/pxelinux.cfg/C0A80058 with the same UDP source port
>(49153).
>
>Packets 307,308,313-316 show two unsuccessful attempts to read
>linux-install/pxelinux.cfg/vesamenu.c32 reusing the same UDP source
>port (49153) with an ICMP reply stating the port is closed.
>
>Packets 317-357 show a successful single attempt to read
>linux-install/pxelinux.cfg/vesamenu.c32 reusing the same UDP source
>port (49153).
>
>Packets 358,360-412,415-625 show a success on libcom32.c32 while
>359,413,414 show an unsuccessful attempt.
>
>Something is certainly tripping up as I don't see these duplicate
>attempts in my testing and in my mind iPXE is in the lead.
>
>--
>-Gene

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