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14th July 2008 21:50 #1
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15th July 2008 13:51 #2
, MTU , "":
How do I determine what MTU packet size I should use?
In a DOS Prompt type (Start Menu -> Run -> Type "command" -> Click "OK")
ping -f -l [packetsize] [www.yourisp.com][packetsize] = the amount of data you want to send under 1500
[www.yourisp.com] is your ISP's URL The largest value that does not give you the error "Packet needs to be fragmented, but DF set..." take that value and + 28 (to not exceed 1492) and make that your MTU.
Note: also Set the default receive window to be (MTUValue - 40)*128
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If you do not have a router, you can change the MTU in Vista ....
Using the following command from the command line as an admin...
netsh interface ipv4 set subinterface "Local Area Connection" mtu=xxxx store=persistent
Where xxxx = the MTU that you want.
TCP Optimizer....
, .I can be friendly when I desire to. Alas, the desire to be more intelligent does not make it so.
... - :/
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15th July 2008 19:56 #3
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15th July 2008 21:39 #4




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