[syslinux] syslinux.efi pxeboot across multiple subnets

[Gene Cumm]

On Mon, Nov 4, 2013 at 6:26 PM, Gene Cumm <gene.cumm at gmail.com> wrote:
> On Mon, Nov 4, 2013 at 5:13 PM, H. Peter Anvin <hpa at zytor.com> wrote:
>> Please indicate what version of Syslinux you are using, and also a hint
>> at your system configuration.
>>
>> I presume the packet dump was taken on the server.  They indicate the
>> client trying to initiate a TFTP transaction but apparently not getting
>> the reply.  This *may* be the same bug that ended up in 6.02 but has
>> since been fixed.
>
> In the first example, there are three requests for syslinux.efi spaced
> ~7ms then ~2146 ms apart.  Presumably, the first two is just the
> initial request for size/options then the real request.  I'd say the
> EFI system either is unable to retrieve syslinux.efi (perhaps not
> appropriately receiving the reply packet; perhaps packet loss or
> reordering) or doesn't like something about the file.
>
> Was the exact same client (not just a similar client) used with
> syslinux.efi and grub.efi across subnets?  Was this the file specified
> in the DHCP replies or are you chainloading it?
>
> You'd probably be better off filtering by client IP rather than just 'port 69'.

I seem to have missed the three requests in the success.

-- 
-Gene