End to end test performance

From: Johnny (Johnny_at_discussions.microsoft.com)
Date: 11/30/04 

Date: Mon, 29 Nov 2004 18:59:04 -0800

Is there a software out there that can capture data send/receive in an end to
end test performance. I am looking for a software that can set the packet
size, time period (minute, hour, days).
It's a kind of network analyzer troubleshooter.

Thanks in advance.

JC