[gPXE] How to modify the code can not get DHCP information on the2nd

[Shao Miller]

>
>>>> sqwbwh wrote:
>>>>>
>>>>>
>>>>> How to modify the code can not get DHCP information on the 
>>>>> 2nd?(GPXE only used to boot the system from ISCSI)
>>>>> Is to remove this step.
>>>>> net0: 00:0 c:: 29:08:11:35 on UNDI-PCI02: 01.0 (OPEN)
>>>>>   [Link: up, TX: 0 TXE: 0 TX: 0 rxe: 0]
>>>>> DHCP (net0 00:0 c: 29:08:11: d5 ).... ok
>>>>> net0: 192.168.0.202/255.255.255.0
>>>>>
>>>>>
>>>>> This can speed up boot speed.
>>>>> Normal GPXE run to start from the boot system tftp process takes 
>>>>> about 8 seconds or so
>>>>> If removed from the second time for DHCP information will only 
>>>>> need a very quick 2.5 seconds.
>>>>>
>>> Miller, Shao wrote:
>>>> You most likely want the 'use-cached' option.  It is DHCP gPXE encapsulated option number 178.  Or, you can set it in an embedded script:
>>>>
>>>>   #!gpxe
>>>>   set use-cached 1
>>>>   autoboot
>>> Gene Cumm wrote:
>>>>
>>>> What file and version are you using?  It sounds as if you're using
>>>> undionly.kpxe or a .pxe file.  undionly.kkpxe will skip this second
>>>> DHCP request but certain hardware/firmware has issues with this,
>>>> assuming you trust the stability of your OEM's PXE/UNDI stack.
>>>>
>> sqwbwh wrote:
>>> Shao Miller
>>>
>>> The method is successful.
>>> Thank you
>> sqwbwh wrote:
>>> yes
>>> thankyou  Shao Miller
>>> Your method is useful :)
> Miller, Shao wrote:
>> You're quite welcome, and thanks for including the list on your other 
>> reply. :)  Have a nice day.  - Shao
>
sqwbwh wrote:
> Shao Miller
> 1:
> i use :
> " set it in an embedded script:
>>
>> #!gpxe
>> set use-cached 1
>> autoboot
> it's good
> 2:
> "It is DHCP gPXE encapsulated option number 178"
> Specifically to ask how to use this method?
> What can explain it in detail?
> thank~you
I enjoy using the search feature at the gPXE (Etherboot) wiki.  Please see:

http://etherboot.org/wiki/doku.php?do=search&id=encapsulated&fulltext=Search
http://etherboot.org/wiki/msdhcp
http://etherboot.org/wiki/dhcpd

- Shao Miller
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