[syslinux] ethereal log of PXE bootup
Ed Sutter
esutter at lucent.com
Thu Oct 19 13:02:41 PDT 2006
H. Peter Anvin wrote:
> Ed Sutter wrote:
>
>> Ok, well, my current problem is pretty fundamental...
>>
>> I'm trying to do this with just DHCP/TFTP (as you suggest) by
>> implementing
>> options 208-211 (as outlined on the website) and adding TSIZE/0ACK to my
>> tftp server. At the moment, the client I'm using won't even respond
>> to the
>> DHCP reply I send it, so I'm not sure if my initial 208-211 options
>> response
>> is wrong or if the client is just expecting more than that.
>>
>> Is there any way to know if the PXE stack in my client (assume to be a
>> black box) will accept just DHCP options for this?
>>
>> I was of the impression that PXE was just an extension to DHCP/TFTP
>> anyway,
>> guess I need to read some more.
>>
>
> Options 208-211 are only for PXELINUX' benefit; most configurations
> don't need them. The key thing is to have a filename option set. Note
> that many clients will not correctly parse a DHCP packet which uses
> "overloading", so I recommend against that.
Yea, after reading a bit through the spec (should've done that before I
started asking questions!!), I see that I needed other Vendor Supplied
options. I have them set up, and my client is responding appropriately.
Now I have to get TSIZE/OACK into my TFTP server.
Thanks!
Ed
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