If you decide to go the Netflow route, take a look at 

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

The describe it as - 

"cflowd is a flow analysis tool currently used for analyzing Cisco's
NetFlow enabled switching method. The current release (described below)
includes the collections, storage, and basic analysis modules for cflowd
and for arts++ libraries. This analysis package permits data collection
and analysis by ISPs and network engineers in support of capacity
planning, trends analysis, and characterization of workloads in a
network service provider environment. Other areas where cflowd may prove
useful include usage tracking for Web hosting, accounting and billing,
network planning and analysis, network monitoring, developing user
profiles, data warehousing and mining, as well as security-related
investigations"

HTH

Dom Stocqueler

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
steve
Sent: 06 March 2003 11:11
To: [EMAIL PROTECTED]
Subject: Re: Traffic Monitoring [7:64351]


HMMM,

there are lots of answer`s to this question...

1.  built into all 3600 and above ios 12.0 and above is something called
cisco netflow . This will basically do a "sh ip accounting" (v1) and
export this data " at random intervals"  to a collector... This software
can then be analysed and reports come of this... to do this you can

1 buy the cisco netflow collector ,which is a unix app ,and point your
routers to it.. this simply collects data to be analysed by anither app
2.get a free version (i did 3.6) of cisco netflow analyser.to make
reports ....which to be honest is abit pants... 3. get a third party app
like either HP Inetnert performance monitor or concord traffic
accountant ..

2. RMON Probes
what you could do is buy a phsical probe and tap it inbetween your
csu/dsu and router.. and again you need some sort of analysing
software.... e.g Netscout RTM 1.4 (as part of ciscoworks LMS2.1) and a
netscout probe (8241 fast ethernet)

3
Get MRTG ....it does all you ask for (and so iam told ) it include`s
netflow monitoring.....runs on linux ....and is well supported


HTH

steve
----- Original Message -----
From: "Brad Dodds" 
To: 
Sent: Wednesday, March 05, 2003 11:09 PM
Subject: Re: Traffic Monitoring [7:64351]


> Net Flow
> > Can you recommend software  to determine which hosts at the branch
office
> > generate all this traffic and what kind of traffic (ie. protocol) it

> > is? I am more comfortable with unix tools, and I am the central 
> > office. The branch offices only have windows machines.




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