With the increasing popularity of vSwitches; some of you may be asking “how do I go about enabling NetFlow / IPFIX in a virtual environment?” Well today, I’m going to help answer that question for not one, but 3 of the most popular virtual switches: OpenVSwitch, VMware vSphere, and the Cisco Nexus 1000v. Read more »

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Now that VMware vSphere ESX v5.1 supports IPFIX you may be wondering how to configure it; in fact, today I’m going to show you just that in a couple easy steps. VMware IPFIX support is a very exciting feature that will help with performance monitoring and can make virtual network management a lot easier to accomplish. Monitoring virtual servers has never been easier! Read more »

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A neat upgrade in VMwares’s vDS 5.1(vSphere) is the introduction of IPFIX.  While ESX has supported NetFlow for a long time now; with version 5.1 they have joined the long list of vendors who support IPFIX. It is a more advanced and flexible protocol that enables users to define the flow records that can be collected at the VDS and sent across to a collector.  The following are some key attributes of the protocol:

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Time & cost of deploying a high-speed network monitoring & threat-detection appliance got you down? Look no further, as our Virtualized NetFlow Collector Appliance is Read more »

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Network Performance Analysis in a virtualized environment like VMware can be a tricky beast as often times everything is encapsulated using GRE tunnels between virtual switches.  What can we do? As luck would have it, most virtual switches support Netflow. Yes, vSphere NetFlow support is available. Read more »

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In this blog I want to talk about enabling NetFlow on a VMware ESX. Netflow support has now been added to vSphere 5; by configuring your virtual switch to send NetFlow statistics to a netflow Analyzer you gain visibility into your virtual infrastructure. To be more specific, you will be able to monitor:

• VM to VM traffic on the same host
• VM to VM traffic on different hosts
• VM to devices outside the virtual environment.

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