[syslinux] Question regarding PXELINUX taking long time for default config

[Geert Stappers]

Op 20090710 om 22:11 schreef Michael Tokarev:
> Tim R wrote:
>> Hello,
>>
>> I have a quick question regarding PXELINUX that I can't seem to resolve.
>> I'd like all PXE clients to boot the "default" config, without having to
>> wait for it to try the various mac address and ip configs.  Is this at all
>
> It sure is possible, by modifying the source code and removing the part
> where it tries various config files.
>
>> possible?  It takes a good 15 minutes for it to cycle through and timeout
>> before it gets to the default.
>
> But in your case better choice is to fix your network and/or tftp server.
> Here it takes fraction of a second to try ~10 non-existing config files,
> and later to process several includes from default config.  Anything more
> than that is anomaly - at least, if it takes >1sec.

Over here also less then one second to get to the default.

The trick is that the tftp server can do "reverse name lookup".
There are two ways to make that possible:
 
  Have all clients in /etc/hosts
     or
  Have a Domain Name Server that has all PTR records.



Cheers
Geert Stappers