NetFlow switching is supported by IOS 11.1 (7200, 7500, and RSP7000
hardware), 11.2 and 11.2P (7200, 7500, and RSP7000), 11.3 and 11.3T (7200,
7500, and RSP7000), 12.0 (1720, 2600, 3600, 4500, 4700, AS5800, 7200,
uBR7200, 7500, RSP7000, and RSM), 12.0(3)T and later (1600, 1720, 2500,
2600, 3600, 4500, 4700, AS5300, AS5800, 7200, uBR7200, 7500, RSP7000, RSM,
MGX8800 RPM, and BPX 8650).....
But...Cisco tells me you must have and pay for the Enterprise IOS plus buy a
license for each NetFlow collector you export netflow cache data to.
Basically, they told me it's illegal to have netflow switching enabled
without purchasing the license for it! Yet it's a feature on straight IP
IOS!
The feature improves (speeds) packet switching and on routers with
significantly large acl's can reduce CPU utilization by 50% or more...
NetFlow Packaging:
"Cisco 7200/7500/RSM---Although NetFlow functionality is physically
included in all software images for these platforms, customers must purchase
a
NetFlow Feature License in order to be licensed for its use. NetFlow
licenses
are sold on a per-node basis.
"Cisco 1000/1600/2500/2600/3600/4000/AS5800 Series--- NetFlow
functionality
is supported only in Plus images for these platforms. Customers are required
to
purchase an appropriate Plus image in order to utilize NetFlow functionality
on
these platforms.
If you would like to review the entire Netflow White Paper, you can see it
on-line at :
http://www.cisco.com/warp/public/cc/pd/iosw/ioft/neflct/tech/napps_wp.htm
Roger Gore
CCNA
CONUS TNOSC
Ft Huachuca, AZ
[EMAIL PROTECTED]
DSN 879-1237
COM 520 538-1237
-----Original Message-----
From: andre F [mailto:[EMAIL PROTECTED]]
Sent: Friday, April 06, 2001 13:28
To: [EMAIL PROTECTED]
Subject: NetFlow ?
Hello,
I'm trying to find out about NetFlow. In the past NetFlow was only
supported in the higher end routers like the 7000 series. I've noticed
that the feature called CEF has enabled NetFlow on lower end routers and
switches. Does anyone know if NetFlow or CEF with NetFlow is supported
on the 3600 series routers? If so, what are the drawbacks of using it
on it? I'm not sure why it was only supported on the higher end
equipment, so I'm curious what problems I might run into running it on a
lower end router? Or if it's not supported on the 3600 series any
suggestions would be appreciated! I don't want to put the money out for
something high end like a 7000 series.
Thank You,
Andre
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