[syslinux] Default PXE boot timeout

a s p a s i a aspasia.sf at gmail.com
Wed May 14 15:37:59 PDT 2008


Hello all,

I have a NFSroot'ed a couple of OS platforms so that servers can have
the option (web access) to:

a.  boot off a CentOS NFS root over the network
b.  or LOCAL hardrive (FreeBSD).

A Simple script controls this so that if user selects NFS root -

- /etc/dhcpd.conf will be updated to include the filename "pxelinux.0"
parameter and it will find its configuration file based on HW MAC

If selects Free BSD - /etc/dhcpd.conf file is updated so that we
simply remove that line that contains filename "pxelinux.0"; it will
just keep trying to look for the pxelinux.0 binary and will not find
it and then it will timeout and boot into its second boot selection -
HARD DRIVE.

Here is my question -

what is the default timeout value?  (or is this controlled by the
BIOS? is this timeout somehow controlled by pxelinux or something
else?

Apologize if the question is naive.

thanks,

Aspasia.


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A S P A S I A
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