Point to Point Ethernet
tme at americafree.tv
Wed Jul 8 14:50:21 UTC 2009
On Jul 8, 2009, at 10:37 AM, Mikael Abrahamsson wrote:
> On Wed, 8 Jul 2009, William Herrin wrote:
>> 1. What's the point of increasing the max MTU from 9000 to 9012? If
>> we want a higher MTU, why not just ask for one in the next standard?
From what I have been told, IEEE 802 refuses to make a Jumbo frame
standard, for backwards compatibility reasons.
Joe St Sauver's jumbo frame site :
shows what a mess this is. There isn't a standard now, and if you "ask
for one in the next standard" you may be in for a long wait.
> To me the only reason for this would be to lessen overhead on small
> packets. Also, afaik standard payload MTU is 1500 for ethernet,
> anything else is vendor extension, outside the standard.
> Ethernet overhead compared to HDLC is pretty big...
> Mikael Abrahamsson email: swmike at swm.pp.se
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