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How can I get netflow statistics from cisco 3750 and 3560 switches?

Posted on 2007-11-19
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Last Modified: 2012-06-27
How can I get netflow statistics from cisco 3750 and 3560 switches?

Is there an official or unofficial way, maybe a workaround?

Perhaps I need a certain version of software on the switches?
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Question by:mac326a
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by:harbor235
harbor235 earned 200 total points
ID: 20313511
The devices you mention do not support NetFlow.

harbor235 ;}

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Author Comment

by:mac326a
ID: 20313547
IS there not possibility to apply a software patch/upgrade to enable this?
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roticanaitelur earned 300 total points
ID: 20318011
Hi,
 Please refer to this link (http://www.cisco.com/en/US/products/ps6601/products_white_paper0900aecd80406232.shtml). Netflow are only supported on chassis based switch & routers.

Thanks.
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Author Closing Comment

by:mac326a
ID: 31409956
Many thanks
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Expert Comment

by:drichie
ID: 22144226
This is not meant to be outright bashing, but Cisco will never add this feature. They want you to buy MARS an/or huge overy expensive chassis based switches, I see more features disappear with every ios release for the workgroup level switches. They won't even do GVRP anymore.
I have suggestions, but it is kind of off topic for the thread.
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Expert Comment

by:hydroIT
ID: 24293064
You could use a span port and a netflow probe
see
http://www.howtoforge.com/network_monitoring_with_nbox
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by:CAITMAN
ID: 36512861
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