svn commit: r314948 - in head: lib/libstand sys/boot/i386/libi386

[Andriy Gapon]

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