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re: Question about 'Can't access some websites while using a shared PPPoE connection'
Sunday, February 15, 2004 at 8:34 am
Windows 2000 Annoyances Discussion Forum
Posted by dmw
(1 messages posted)
There are 28 bytes in the header, which you should add to the ping data to get the
MTU. Thus 1472-28=1444.
On Monday, April 15, 2002 at 3:58 pm, Kydas wrote:
>I have a question about Can't
>access some websites while using a shared PPPoE connection:
>I am connecting 2 windows 2000 PCs via 100Mbps LAN. The highest MTU value that returned
>a positive ping was 1472, so I adjusted the MTU registry of the client PC. I rebooted
>but still could not access some websites - same problem. I check the MTU value,
but
>now 1472 returned an error message indicating it must be fragmented. I repeated
the
>pinging test to find a new MTU value that worked - this time 1444 was successful.
>After modifying the MTU registry entry and rebooting, the same problem occurred.
>So again I retested and found a lower MTU value that worked. But the problem is
still
>continuing. Why is the successful MTU value changing? I have not rebooted or modified
>my gateway PC during this process.
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 |  | re: Question about 'Can't access some websites while using a shared PPPoE connection' (dmw: Sun, Feb 15, 2004, 8:34 am) |
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