On 28/05/2017 18:38, Rodney W. Grimes wrote:
>> On 28/05/2017 01:09, Kamil Czekirda wrote:
>>> In initial revision I noticed, that I'm not sure it should be default 
>>> behavior.
>>> In a lot of installations pxeloader can base on the cache and doesn't 
>>> require
>>> second, full request with the same answer. In that situation we can switch 
>>> off
>>> bootp() and I think it would be nice to have this switch and give them to 
>>> users.
>>> Flag during compilation is sensible.
>>>
>>> In very simple and popular case we have chain with four requests for the 
>>> same
>>> information (!):
>>> PXE (NIC) -> iPXE -> pxeloader -> dhclient
>>> and it's possible to switch off request from iPXE and pxeloader without 
>>> breaking
>>> boot process.
>>
>> Well, the information given to PXE/NIC and iPXE is not exactly the same as
>> bootfile must differ.  Also, a nit: as far as I know, it's currently 
>> impossible
>> to run dhclient on a network booted _diskless_ system.
> 
> I dont think that is actually true.  Infact dont we need to run
> dhclient on a diskless client if we intend to keep our dhcp lease beyond the
> initial issue time period, ie renewal ever X minutes?

Well, just test it.

>> So, yeah, in some setups we can shave off a request from pxeboot and it 
>> probably
>> makes sense to have that option.


-- 
Andriy Gapon
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