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MTU setting

Posted on 2000-04-28
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Last Modified: 2012-05-04
since I am using ADSL modem connect to Internet thru PPPoE dailer, and other PCs are connected to a hub to share the bandwith

but I found win2000 cannot browse the Internet

I think it is the MTU value becuase after I change this value in Win98 PC , it can sucessful browse the Internet

So, what is the registry of MTU value in Win2000
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Question by:adrianmak
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Moresca earned 20 total points
ID: 2764983
There is really no hard and fast rule as to what the MTU should be set at as it's dependent on a few different things.  Mine is set at 1500 in Win2K but that does not mean that is what your's should be.  An article that I have come across recently suggests that PPPoE users would normally set their MTU values to somewhere between 1400-1492.
The link is: http://navasgrp.home.att.net/tech/cable_dsl.htm
There is mention of arriving at the proper MTU setting and also covers PPPoE.  It is a rather large article but should suffice, in the very least, for what settings you should use.  If it turns out not to be the problem, at least you'll have eliminated it and can look at other possible solutions.
Best of luck.
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by:adrianmak
ID: 2765112
moresca,

Please give me the registry key for set the mtu value
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by:Moresca
ID: 2765146
HKEY_LOCAL_MACHINE/System/CurrentControlSet/Services/Tcpip/Parameters
from there should be a REG_DWORD key labeled MTU with the decimal value of the key.  In my case it is 1500 (in decimal) or 5dc (if entered in hexadecimal).
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by:adrianmak
ID: 2771805
moresca,

The MTU value using in Win95/98 , may be not suitable in Win200 ??
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