From: Mike '/m' 

On Sun, 22 May 2005 12:19:08 -0400, "Frank Haber"
 wrote:

>I'm amazed, too (at 12-13MBps).  Can you run a perf meter on both ends, next
>time you transfer a file?  I'd be interested in how long the CPU pins (g).
>(Not that we can differentiate a PCI bus throttle from a CPU clot from a
>bridge running out of interrupt time.)

CPU is running around 20% on both systems.



>Is there a handle in NT that an app can get at to toggle the driver between
>standard and jumbo packets?  Any downside to leaving jumbo enabled all the
>time?

Under W2K, the knob is in the network connections applet, it is one of the
NIC driver options.

So far as I know, a subnet has to be all jumbo, or all regular frames.

  /m

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