[syslinux] EFI Reboot Timer, DHCP option 211

[Geert Stappers]

On Fri, Jan 15, 2016 at 09:23:44PM +0000, Bateman, Matt via Syslinux wrote:
> I am working on setting up a global boot server that serves up files
> across the WAN. I am running into a 5 minute timer that is rebooting
> my hosts before they can complete the kernel and initrd file download.
>
> The servers in questions are HP DL60s, and they use UEFI. I am using
> syslinux.efi version 6.03. They get the kernel file from the TFTP server
> in about 2 ½ minutes, then get 2 ½ more minutes into the download of
> the initrd file when the host reboots and starts over.
>
> I see there is a 300 second timeout in pxelinux, but not sure if that
> applies to syslinux.efi as well.
>
> Is there anything I can do from DHCP or the config file that will change
> that timeout so my downloads can complete? Or is there a way to have
> syslinux.efi use something other than TFTP to get the kernel/initrd
> files (FTP, HTTP, etc)? TFTP is inherently slow across the WAN since
> every packet has to be acknowledge before the next one can be sent.
>

DHCP 211 is "pxelinux.reboottime".

See http://www.syslinux.org/wiki/index.php/PXELINUX#DHCP_options for
further information.

And karma bonus points for reporting your milage.


Groeten
Geert Stappers
-- 
Leven en laten leven
------------- volgend deel ------------
Een niet-tekst bijlage is gescrubt...
Naam: signature.asc
Type: application/pgp-signature
Grootte: 836 bytes
Omschrijving: Digital signature
URL : <http://www.zytor.com/pipermail/syslinux/attachments/20160116/95bb5430/attachment.sig>