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You are here: MacNN Forums > Enthusiast Zone > Networking > Set MTU at Startup

Set MTU at Startup
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Mac Elite
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Dec 10, 2007, 05:37 PM
 
Apple suggests creating this Startup Item to set one's MTU when you boot up. It's a bit of 10.2-era advice. Any sense that it is still worth doing now that we're at 10.5?
     
Clinically Insane
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Dec 10, 2007, 05:48 PM
 

"The natural progress of things is for liberty to yield and government to gain ground." TJ
     
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Dec 10, 2007, 05:56 PM
 
Oooooh. Thanks. Tip o' the hat to you.
     
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Dec 10, 2007, 10:57 PM
 
Note that Leopard automatically changes the MTU to suit your connection.

Chris
     
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Dec 10, 2007, 11:00 PM
 
Originally Posted by chabig View Post
Note that Leopard automatically changes the MTU to suit your connection.
Really? You mean 1500 isn't the default?
     
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Dec 10, 2007, 11:25 PM
 
     
Mac Elite
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Dec 11, 2007, 06:58 AM
 
Apple - Mac OS X Leopard - Features - 300+ New FeaturesIt says:
Self-Tuning TCP
Let Leopard adjust TCP buffer size automatically. Get optimum application performance, especially in high-bandwidth/high-latency environments.
Is "Transmission Control Protocol (TCP) Buffer Size" the same as Maximum Transmission Unit (MTU)? Or rather, does the TCP limit how high the MTU can be set? I guess it makes sense that the MTU can be only as large as the buffer it passes through....
(Last edited by selowitch; Dec 11, 2007 at 02:28 PM. )
     
   
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