So I got my shiny new Thinkpad T61p and have been configuring over the last few days with my shiny new MSDN software and other must-have, can't-live-without software.
Vista comes with a new-and-improved TCP/IP stack that takes advantage of faster network connections. It works great... most of the time. Unless you're connecting to a 64-bit Windows 2003 Server then you'll get network performance that's just slightly faster than having pigeons carry your packets.
Here's the secret sauce:
- Open up a command prompt with Administrator privileges
- type the following:
netsh interface tcp set global rss=disabled
netsh interface tcp set global autotuninglevel=disabled
- No need to reboot; simply disconnect & reconnect your network cable or if on wireless, disconnect & reconnect from/to the wireless network
My limited undestanding is that Auto Tuning allows the client to tell the server how much data can be sent in a packet before waiting for an acknowledgement. I encourage you to read the details on Microsoft's new TCP/IP stack (also included in the forthcoming Windows Server 2008) especially if you have servers that are connected to each other via a high-speed gigabit network.
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