Oh, take a long careful look at all the options in the man file.
-m aaa.bbb.ccc.ddd/mask
C
------Original Message------
Date: Thu, 3 Jun 2004 11:05:38 -0500
From: Brian Worrell <[EMAIL PROTECTED]>
Subject: RE: [Ntop] Cisco Port mirror and NTOP
To: "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain
Hello Chris,
Thank you very much for replying to my previous enquiries about ntop. I
really
appreciate it. We're still unable to get ntop to do what we need.
Following is
a more detailed description of what we'd like to do and the problems we're
having.
We have a switch which sits between a router and a server. We'd like to
view
all traffic going both directions between the router and the server.
----------- ----------- ----------
| Router | --------| Switch | ---------- | Server |
----------- ----------- ----------
| |
| |
| |
| | 0
| ---------------------| ntop on Linux |
|
| 1
|
-------------------------------------
The switch is capable of "port mirroring" whereby all traffic going through
one
port (to the server) is mirrorred to another port (the Linux box running
ntop on
eth0). We have a second ethernet interface on the Linux box (eth1) which we
use
to access ntop and view the network traffic stats in a web browser.
We start ntop with "ntop -M -i eth0" so that it separates traffic by
interface
and listens on eth0.
The problem is that when we do this, we are unable to view the local matrix
(Local IP/Local Matrix) in ntop.
Do you have any suggestions on how we might configure our ethernet
interfaces/ntop so that we can view the local matrix?
Muchos Gracias for your help!
Brian Worrell
Network Manager
IU Medical Group
317-860-2737
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