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NetFlow Billing Done with FnF (Flexible NetFlow)
Had a customer call in the other day with a NetFlow Billing question. Apparently his Cisco router is sending over 50,000 flows per second during peak hours. This is some serious high volume NetFlow....
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VoIP DSCP Prioritization : NetFlow Reporting
Today I’ll cover the importance of VoIP DSCP prioritization when NetFlow reporting. We have 3 employees that work remotely in Central Maine, Pennsylvania, and Florida. They all have Cisco routers...
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Network Traffic Management : Cisco NBAR and Performance Monitoring
Most businesses want to take network traffic management to the next step and luckily the IT Gurus within these same companies are already familiar with NetFlow but, what about Flexible NetFlow? In...
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Packet Length Report using NetFlow / IPFIX
We figured out how to report on packet length with NetFlow. All you have to do is enter “match ipv4 length total” in the flow record of the Flexible NetFlow Configuration . This entry will export...
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Cisco NetFlow Port Number
What is the preferred Cisco NetFlow Port Number to listen on? Well, it depends. The NetFlow RFC 3954 does not specify a specific NetFlow listening port, however, in my experience 2055 and 9995 or...
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Flexible NetFlow: NBAR NetFlow configuration
Did you ever consider that using Flexible NetFlow, specifically an NBAR NetFlow configuration, could provide another aspect of network security for you? Exporting NBAR (Network Based Application...
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