• The amount of bandwidth used to send NetFlow data and its effect on device performance should be verified.

• NetFlow Collector in the software has to be manually started by clicking Enable Polling, or going to the Tools menu and selecting Options, and then clicking Polling for each device when it is initially brought in.

• The software enables ingress and egress NetFlow and will collect all NetFlow data from the device, but will only show the top 200 flows based on size. • Adjust the device NetFlow settings such as filtering, sampling, template refresh, and various timers to ensure the device is within operational limits.