[mrtg] Re: Monitor Ethernet Interface

[Brian Granier]

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Yeah if you can get netflow going, that'd be great. I suggest using
F.L.A.V.I.O. (http://flavio.sourceforge.net/) to hold the data and
create your graphs...

T. Brian Granier
GCIA, GCFW, GCIH, GCUX, CCSE, CHP, MCSE (NT4&W2K), et al.
Information Security Architect
Zebec Data Systems, Inc.


- -----Original Message-----
From: Michael Grice [mailto:grice at binc.net] 
Sent: Friday, February 13, 2004 9:23 AM
To: Scott Miller
Cc: mrtg at list.ee.ethz.ch
Subject: [mrtg] Re: Monitor Ethernet Interface


* Scott Miller <srmiller at interbel.net> [040213 00:35] wrote:
> Hi all,
> 
>    I'm wondering if there is a way to monitor ALL ip's on the
> internal  side of a cisco 2611.  What I mean is, I have a Cisco
> 2611 set up as a  NAT box for about 250 customers.  I would like to
> monitor the inside  (private) side and graph each individual IP
> without requiring each  individual user to install some form of
> SNMP.  Anyone know of a way to  do this?  I'm wanting to keep track
> of the amount of bandwidth each  customer is using.

Have you looked into netflow? I believe you should be able to use it
on a 2600.

http://www.caida.org/tools/measurement/cflowd/

I will warn you that we have had some issues with it (i.e., some of
the features on our 7304's are apparently incompatible with
netflow--but this is less likely to be a problem with a 2600, I
think).

I think your other option is IP accounting; I think but am not
positive that you can get at IP accounting data through SNMP.
- --Michael

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