Fwd: DHCP Config on Win2008 Server

forgot to add everyone.

---------- Forwarded message ----------
From: Michael Bonny <[email protected]>
Date: 2009/8/20
Subject: Re: [Etherboot-discuss] DHCP Config on Win2008 Server
To: "Miller, Shao" <[email protected]>


Your instructions worked perfectly!

Here are the screenshots.

This is wiki worthy, thanks heaps for your help.


Now I am going to try and create a gPXE BIOS for my Dell GX280, as the
fallback from floppy to CD-rom doesnt seem to work.

Thanks again for your great instructions.

Cheers,
M


2009/8/19 Miller, Shao <[email protected]>

Good day Michael,
>
> In regards to your question for how to provide the gPXE encapsulated
> keep-san option:
>
> I believe that you can
> - highlight "DHCP" in the DHCP MMC
> - right-click "DHCP"
> - choose "Set Predefined Options..."
> - click the "Add..." button
> - Name: gPXE_Encap
> - Data type: Byte  Array: True (Checked)
> - Code: 175
> - Description: gPXE Encapsulated Options
> - click the "OK" button
> - click the "Edit Array" button
> - make it an array of three bytes: 0x08 0x01 0x01
> - click the "OK" button
> - click the "OK" button
> - highlight your scope options
> - right-click your scope options
> - choose "Configure Options..."
> - scroll down to find option 175
> - put a check in option 175's checkmark box
> - click the "OK" button
>
> What this should accomplish is a manual build of the gPXE encapsulated
> options.  The three bytes specify:
> - 0x08 the keep-san option code
> - 0x01 the length of the option's value data is 1 byte
> - 0x01 the option's value data is 1 (true)
>
> Such is the general format for DHCP options.  Encapsulated options are
> just DHCP options all over again inside a DHCP option.  So on the wire,
> option 175 should appear as:
> - 0xAF option 175
> - 0x03 option's value data is three bytes
> - 0x08, 0x01, 0x01 encapsulated keep-san option
>
> I haven't tested this, but it sure looks good!
>
> - Shao Miller
>

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