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Basiror

maximum packet size: how to retrieve it from the system?

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Basiror    241
i have read an article about the maximum packet size i can remember that you can set it somewhere in your network setup on win98 or even Me but i am currently running XP and couldn t find the option anymore so is there are a way to retrieve it from the system and if how do it do this or whats the command to do this? thx in advance

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Snash    122
I have never heard of this. But, I think that Windows will automaticly cut your "big" packet into smaller ones, and send it.
Then the reciever will automaticly paste the packets into one packet.

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Basiror    241
i am pretty sure there is otherwise it doesn t make sense to mention the limit somewhere

and i remember having seen such a option somewhere in the network setup a long time ago

they probably removed it and let windows do this now but there has been a something like that

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Guest Anonymous Poster   
Guest Anonymous Poster
seens like you are refering to the mtu (max transfer unit) of your network interface
I have no idea where to set it on windows, but be carefull to not set a value beyond the mtu of the hardware/protocol otherwise transfer rates will suffer like hell

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Guest Anonymous Poster   
Guest Anonymous Poster
It really wouldnt matter if you changed these settings on your pc, because if it reaches a link where the mtu is smaller, it will still get fragmented anyway.

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Leadorn    100

--win2000
REGEDIT4

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]
"TcpWindowSize"=dword:0000faf0

--win98,me
REGEDIT4

[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP]
"DefaultRcvWindow"="64240"


--winNT
REGEDIT4

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]
"TcpWindowSize"=dword:0000faf0

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Leadorn    100
This is the max windows size, that incoming buffer size. Dont know if this is what you are looking for. but look at that dir for more options.

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