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Home > Success Center > Netflow Traffic Analyzer (NTA) > NTA 4.2.3 Administrator Guide > Device configuration examples > NetFlow device examples > Cisco Flexible NetFlow configuration

Cisco Flexible NetFlow configuration

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Exporting flows on some Cisco devices (for example, the 4500 series, with Supervisor 7) requires using Flexible NetFlow. This configuration example successfully exports flows from a Cisco 4507 with Supervisor 7:

flow record ipv4
! match ipv4 tos
match ipv4 protocol
match ipv4 source address
match ipv4 destination address
match transport source-port
match transport destination-port
match interface input
collect interface output
collect counter bytes
collect counter packets

flow exporter NetFlow-to-Orion
destination 10.10.10.10
source vlan254
transport udp 2055
export-protocol netflow-v5

flow monitor NetFlow-Monitor
description Original Netflow captures
record ipv4
exporter NetFlow-to-Orion
cache timeout inact 10
cache timeout act 60

vlan configuration 666
ip flow monitor NetFlow-Monitor input

The setting "cache timeout act 60" can be modified to lower values, but doing so might add more stress to the device due to higher number of flows sent. Also, NetFlow caches flow data for 1 minute before storing the data in the NTA Flow Storage Database.

The flow exporter destination and transport udp values must reflect the IP address and port (2055) of your SolarWinds NPM server.

SolarWinds NTA supports NetFlow version 5 and version 9. For more information about NetFlow version 5 or 9, see your Cisco router documentation or the Cisco website at www.cisco.com.

You can also view a video on how to configure NetFlow for Cisco routers and switches running iOS

 
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