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How to monitor network traffic inside an ESXi host
Iíve done several packet analyses on physical wired environment which was easy and pretty straight forward to set up. But with all virtualization efforts, you may need to analyze inside an ESX host. With a standard NIC and all connected virtual machines, it wonít work

How validate proper SPAN configuration
I've used it as a cheat sheet in many proof-of-concept scenarios with PacketShaper, NetQoS SuperAgent & Network Instruments GigaStor.  I'm using a capture filter to validate both directions of a session with SYN and SYN-ACK.