Cisco Netflow

Answered Question
Jul 16th, 2009

Does anyone have basic information on configuring Netflow on routers/swtiches? We have several customer asking requeting us to send traffic to different destination servers. My curcuit is already at 75%. Will Netflow cause more bandwdith problem?

I have this problem too.
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Correct Answer by Jon Marshall about 7 years 4 months ago

David

Here is the getting started configuration guide for Netflow on IOS routers -

http://www.cisco.com/en/US/docs/ios/netflow/configuration/guide/get_start_cfg_nflow_ps6350_TSD_Products_Configuration_Guide_Chapter.html

Catalyst switches do things in hardware so not all support Netflow, depends on your switch models.

Netflow does add to the bandwidth obviously but it should not overload your link. It will also increase the use of resources on your devices so be aware of that as well.

Jon

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Correct Answer
Jon Marshall Thu, 07/16/2009 - 09:07

David

Here is the getting started configuration guide for Netflow on IOS routers -

http://www.cisco.com/en/US/docs/ios/netflow/configuration/guide/get_start_cfg_nflow_ps6350_TSD_Products_Configuration_Guide_Chapter.html

Catalyst switches do things in hardware so not all support Netflow, depends on your switch models.

Netflow does add to the bandwidth obviously but it should not overload your link. It will also increase the use of resources on your devices so be aware of that as well.

Jon

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