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If you have Supervisor Engine 720, you need to execute the below two commands to put the interface information in the netflow packets. Mls aging normal 32 // This ensures that flows that have finished are exported in a timely manner. Mls aging long 64 // This breaks up long-lived flows into (roughly) one-minute segments. Mls netflow // This enables NetFlow on the Supervisor. Go to config mode and execute the following commands: Kindly use the following commands in sequence to configure NetFlow data export. (config)#service-policy netflow_export_policy globalįor enabling NetFlow on Cisco ASA through ASDM, refer the link given below: Catalyst 3750 Switchesįollowing is the configuration if you are using a Native IOS on your Cisco switch. (config-pmap-c)# flow-export event-type any destination NetFlow Analyzer server IP (config-pmap)# class netflow-export-class

(config)# policy-map netflow-export-policy (config-cmap)# match access-list netflow-export (config)# access-list netflow-export extended permit ip any any (config)# logging flow-export syslogs disable (config)# flow-export delay flow-create 60 (config)# flow-export template timeout-rate 1 (config)# flow-export destination inside NetFlow Analyzer server IP address 9996 Note: The following commands must be included in your global service policy for NetFlow export to function. Enabling NetFlow on Cisco ASA can be done through CLI or ASDM. Network Bandwidth Monitoring ChallengesĬisco ASA supports NetFlow export from IOS versions 8.2 onwards.Network Bandwidth Monitoring Best Practices.Intelligent Traffic Management with NBAR.Network Based Application Recognition(NBAR).