BIOS and UEFI Co-Existence

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General

To make network booting for several different client platforms possible you'd have to offer adequate boot images for those clients. To be able to distinguish between varying platforms the DHCP server needs to utilize the information send by the clients. According to RFC 4578 "the following pre-boot architecture types have been requested" (by the RFC): 

           Type   Architecture Name
           ----   -----------------
             0    Intel x86PC
             1    NEC/PC98
             2    EFI Itanium
             3    DEC Alpha
             4    Arc x86
             5    Intel Lean Client
             6    EFI IA32
             7    EFI BC (EFI Byte Code)
             8    EFI Xscale
             9    EFI x86-64

Using Linux DHCP

Steps Here

Please list linux steps here.

Using ProxyDHCP (dnsmasq)

Steps Here

Please list dnsmasq steps here.

Using Windows Server 2012 (r1 and later) DHCP Policy

The below method assumes that your normal Scope options 066 and 067 are set for BIOS boot files. The below DHCP policy will only apply to UEFI based network booting. Regular BIOS based network booting will still use the default scope options set in the scope.


Step 1

Right click IPv4, and pick "Define vendor class".

Step 1.png

Step 2

Step 2.png

Step 3

Here, The display name and description aren't really important but should describe what this does.

What's important is the "ASCII" field. In this field, you would type this: 

PXEClient:Arch:00007

As you type this in, the ID and Binary fields will auto-update. When done, click Ok, ok, ok to finish this part of the procedure.

Step 3.png

Step 4

Underneath IPv4 -> Scope -> Policies, right click on "Policies" and choose "New Policy..."

Step 4.png

Step 5

Step 5.png

Step 6

Step 6.png

Step 7

Step 7.png

Step 8

Step 8.png

Step 9

Step 9.png

Step 10

Step 10.png

Using Windows Server 2008 (and earlier) using DHCP Option 003

Option 003 steps here

List option 003 steps here.

Using OS X DHCP

Steps Here

Please list OS X steps here.

Relevant Resources

undionly-kpxe-and-ipxe-efi

fog-bios-and-efi-coexistence

http://www.syslinux.org/archives/2014-January/021404.html

http://www.syslinux.org/archives/2014-October/022683.html

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