[brussels-dev] Re: [driver-discuss] Re: [networking-discuss] dladm show-linkprop enhancements

[Garrett D'Amore]

Darren.Reed at Sun.COM wrote:
> Sebastien Roy wrote:
>
>> Darren.Reed at Sun.COM wrote:
>
> ...
>
>>> Everything I've seen mentions "amount of data that can be
>>> transmitted", which to me opens the possibility of including
>>> the ethernet header.
>>
>>
>> You're right that the DLPI spec. does not give a concrete definition 
>> for the term, leaving room for interpretation.
>
>
> :)
>
>> The Solaris and HPUX implementations of DLPI, however, have 
>> historically never included the data-link header as being part of the 
>> DLSDU.
>
>
> I wonder if it is "The Mentat implementation of DLPI never included the
> data-link header as being part of the DLSDU" - IP on Solaris and HPUX
> has the same origin.
>
> But everything else aside, that looks like as good as it'll get.

Yes.  Everyone who works on these operating systems understands that an 
ethernet MTU is 1500 bytes, which is really the size of the ethernet 
payload.   This has nothing to do with IP payload sizes, but that's kind 
of beside the point... :-)

    -- Garrett