Configuring Cisco Devices


 

This section offers a brief guide to setting up NetFlow on a Cisco router or switch. For more detailed information, refer the Cisco web site at http://www.cisco.com/go/netflow. It is recommended that only people with experience in configuring Cisco devices follow these steps.

 

Setting the appropriate time on the router

 

NetFlow Analyzer stamps the flows based on the router time. It is therefore important to ensure that the time on the router is set properly. Netflow Analyer can handle routers from different time zones automatically, provided the correct time is set. 

 

Whenever the time difference between the NetFlow Analyzer Server and the router is above 10 minutes a warning icon will appear in the home page. When this happens, NetFlow Analyzer will stamp the flows based on the system time of the NetFlow Analyzer server.

 

In case you see this, please ensure the following on the router:

Tip To enable NetFlow in an MPLS environment refer Cisco's documentation on MPLS NetFlow
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