On Tue, 12 Jun 2001, Miki Shapiro wrote:

> My opinion however remains that it is completely unneccesary to lower MTU
> on all your windows clients and the linux ether interface, for the
> benefit of time that you buy - the extra time  that it takes your linux
> router to get a too-large chunk, digest it, send a single ICMP packet
> back, and your winsock to digest that (what? 20 extra miliseconds at the
> start of a TCP session? these two packets have to traverse a single
> ethernet wire... That's completely negligible).
> 
> Is there anyone on this list for whom specifically this technique actually
> *solved* the broken sessions problem (as opposed to optimizing sessions by
> 20ms on the first packet?) ? If so, by accomplishing *what*?
> 
> .. If not, maybe it's not worth bothering people with in the HowTo... 

Me, for one.  Without a MaxMTU I typically never got a response beyond 4
packets, ie. things just did not work.  With MaxMTU 1452, everything seems
to be just about normal (that is to say I haven't seen any problems yet).

-Cedar


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