I haven’t seen it pop up yet but, I think debates over Cisco Vs. Huawei will eventually rise and when it does, will NetFlow and IPFIX reporting be important factors?  It is too early to tell however, I do know where both companies stand in regard to flow exports.

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Aaron

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Check out the most advanced Cisco NetFlow capabilities on April 17^th when we co-host a webcast with Cisco on Performance Routing (PfR) and network traffic management with Flexible NetFlow.

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Chris

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First of all, Net Flow  is spelled NetFlow, and today, we’re going to talk about an IT Monitoring Service that provides Network Traffic Monitoring.  Specifically, we want to monitor BYOD Traffic.  The modern workplace is often being assaulted by these devices.  Why? Androids and iPhones are constantly searching for a Network to connect to.  Once attached, some employees are so ‘connected’ with friends that these smart phones start flooding the network and pestering the user to participate in Facebook, Farmville or even Scrabble.  How can you find out when, what and where they are doing?

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James

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In this webcast “The Future of Advanced NetFlow: New Elements, End-To-End Visibility and Network Security Threats,” Michael Patterson the co-founder of Plixer will cover how the latest exports and elements from Cisco, SonicWALL, Palo Alto Networks and others. The session covers leveraging NetFlow and IPFIX data to detect network threats, improve cloud-based services and reclaim bandwidth consumed by mobile devices on the network. See the plixer study press release for complete details.

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James

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NetFlow VoIP Monitoring often requires keeping track of QoS or DSCP values. Here are a few statistics that should be gathered when performing network traffic monitoring with Flexible NetFlow.

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Michael Patterson
Scrutinizer Product Manager
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NetFlow v5 gave us great insight into network traffic, then NetFlow v9 gave us more, then Flexible NetFlow was more, well, flexible, and, now I ask, “How does IPFIX vs NetFlow compare?”

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Joanne Ghidoni
Sr. Solutions Engineer

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Monitoring internet capable devices are becoming more necessary. It seems like every device that is released to the market supports internet connectivity. I have seen a dramatic increase in the amount of internet devices that university campuses have to monitor over the last few years. With all of these devices sprouting up, NetFlow monitoring is becoming much more essential for these educational institutions. Read more »

Jimmy Wendler

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Cisco Systems, Inc. has released a new feature, the NBAR Protocol Pack, which provides an easy way to load multiple Protocol Description Language (PDL) files at one time. Read more »

Joanne Ghidoni
Sr. Solutions Engineer

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A few Flexible NetFlow tips and tricks could give you a new network traffic analysis perspective! Flexible Netflow is the latest improvement to the Cisco IOS Netflow technology. Most Cisco articles call it the next generation in flow technology. It “provides enhanced optimization of the network infrastructure, reduces costs, and improves capacity planning and security detection beyond other flow based technologies available today.” Here are a few great things that Flexible NetFlow can bring to the table.

A. Its configurable flow information allows the user to perform customized traffic identification and the ability to focus and monitor specific network behavior. This feature is key to network infrustrature optimization. For example, when there is high flow volume, the user can choose to enable flow sampling or export only certain traffic information.

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Expanding on part 1 of the Configure NetFlow v9 for Cisco 4500 Sup7e blog, today I’ll be exploring what changes are needed to the Flexible NetFlow configuration if the data received by your NetFlow collector is understated.

As I was working with one of our Australian customers, the NetFlow data did not look right, specifically the bandwidth utilization was understated.  Vastly understated.

We reviewed the Flexible NetFlow configuration on the 4500 repeatedly and found nothing out of place or misconfigured.

Indeed, the FNF configuration was fine, but it didn’t account for the extremely high volume of flow data through this particular switch.  To the extent that the NetFlow cache entries table was overflowing. Read more »

Joanne Ghidoni
Sr. Solutions Engineer

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