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Detailed netbooting network diagram for multiple OS support

Posted on 2014-12-20
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I’m looking for detailed info on differences between iPXE, gPXE, and PXE for the networking booting and loading of OS for RedHat RHEL4 through 6 via DHCP & kickstart, Microsoft Windows 7 and Server 2003 to 2012 via SCCM, and Solaris 2.6 to 10 via Jumpstart.

I understand that all of them use a “flavor” of some process (e.g. client powers up, does a POST, does an INT13 and sends out a broadcast via ethernet to a DHCP server where a handshake ensures, if gets the OS from a TFTP, etc)

I have been searching for a few days now of the differences in how these work, and I have yet to find a good diagram for how these work. We are finding that there are minor differences between gPXE, iPXE, and PXE itself.

I was hoping to find info like this attached example for a ESX host boot but showing which ports and protocols that are needed.iPXE boot process diagram
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Question by:bs98909
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4 Comments
 
LVL 17

Expert Comment

by:vivigatt
ID: 40511635
For PXE operation themselves, check the following

http://xitnotes.wordpress.com/2012/03/29/the-pxe-boot-process-and-sccm-os-deployment/

You also have some steps specific to SCCM

gPXE and iPXE are &almost the same (iPXE is a fork of gPXE)

For iXPE boot process, there is a figure here:
http://www.linux-magazin.de/var/linux_magazin/storage/images/ausgaben/2014/08/i-pxe/abbildung-1/998449-1-ger-DE/Abbildung-1.png
It comes from an article written in German in the German edition of Linux Magazine...
ANd there are some slides here:
http://www.slideshare.net/schlomo/linux-tag-2014-ipxe-the-versatile-network-boot-loader-34447284
from the author of said article (slides are in English)
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LVL 17

Accepted Solution

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vivigatt earned 1800 total points
ID: 40511640
And if you want to know more about PXE/DHCP and especially the DHCP options 60, 66 and 67, read my article and its comments:
http://www.experts-exchange.com/Networking/Misc/A_2978-PXEClient-what-is-it-for-Can-I-use-PXE-without-it.html
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Author Comment

by:bs98909
ID: 40517738
Thank you for the articles — I hope to read up on them this weekend
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LVL 62

Assisted Solution

by:gheist
gheist earned 200 total points
ID: 40525178
Solaris/sparc does not use DHCP or PXE.
You must get RARPD and BOOTPD running (later is somewhat covered by common DHCP servers)
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