This is by design. Netmon defaults to a 1mb buffer. Select Capture|Buffer
settings and increase the buffer size. 

-----Original Message-----
From: Paul Drumm [mailto:[EMAIL PROTECTED]] 
Sent: Friday, January 25, 2002 3:24 PM
To: NT 2000 Discussions
Subject: RE: Network Monitor - Lost Frames


There is some room for expansion here.  I would look at TCP window size and
other "Auto" parameters.  Make the window size larger.  Look at getting and
Intel PRO 100 where you can adjust the buffers.

-----Original Message-----
From: Doug Eubank [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 24, 2002 7:28 PM
To: NT 2000 Discussions
Subject: Network Monitor - Lost Frames


Hi all,
        I have noticed severe packet loss to my web server over the last
week or so. After I deducted that it was an issue with the server itself and
not its T1 connection, I ran NetMon to see if I found anything unusual. I
did, and I was hoping someone could tell me what it meant. The capture shows
the frame buffer filling up very quickly, and then we start to lose a great
number of frames. It doesn't show any frames being dropped, just a large
amount lost once the buffer is exceeded. Does anyone know if this is what's
causing my packet loss, and what can be done to resolve the issue? We're
running W2K with IIS5.0 on a Compaq ML530. Any help is appreciated.

Doug

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