🚀 go-pugleaf

On Mon, 27 Oct 2008 01:45:28 -0700, pg aided th' terraists with the
following claims :

> Hello !!
> 
> I'm trying to set the MTU value of a new PC -- dual boot, Linux &
> Windows -- and the lan card, the adsl modem, etc.
> 
> Since I'm not so bright, I went online to check. The more I check,
> however, the more I got confused.
> 
> On this page http://help.expedient.com/broadband/mtu_ping_test.shtml
> ( scrolling down to #5 where it ) says "Add 28 to that number (IP/ICMP
> headers) to get the optimal MTU setting"
> 
> On this page, http://www.speedguide.net/read_articles.php?id=157
> however, ( scrolling down to TCPWindowSize ) it is telling me that
> "MSS is generally MTU - 40 (20 byte TCP and 20 byte IP headers)" !
> 
> Which one is correct?
> 
> Just exactly how much do all the headers add on to a packet?
> 
> 28 bytes or 40 bytes??
> 
> Let's say I've done the "MTU Ping Test" to various websites, and has
> obtained 1452 as _the_ optimum number. My question is this ---
> 
> 		What's the correct MTU setting?
> 
> 			Is it 1480 (1452 + 28) ?
> 		or
> 			Is it 1492 (1452 + 40) ?

Thats the default optimum.
Check yer modems internal webpage to look for klews also.
AS a last resort try asking your ISP's tech support.

> 
> In Windows, what numer should I set for the TCPWindowSize, the
> GlobalMaxTcpWindowSize, the TcpWindowSize and so on?
> 
> Is the MTU value the same for Linux, Solaris and Windows??
>

Linux might try a default of 1500 which will cause some problems but its
unlikely to be a issue anymore.
 
> Please help !!
> 
> Thank you !

<belch>


-- 
"Those who can make you believe absurdities, 
can make you commit atrocities" - Voltaire
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