Posts Tagged With ‘vswitch’

1. Frame bytes vs. frame file headers

   When capturing frames from a network there is more information recorded into the capture file than just the bytes of each frame. If you have ever looked at the PCAP or PCAPng file format specifications you have seen that each frame has an additional frame header containing important information that wasn’t part of the frame […]

2. Capturing packets of VMware machines, part 2

   In the first post I described how to capture packets in VMware vSphere environments when dealing with standard vSwitches. While that works fine, some larger installations have an even better way of doing network captures of virtual machine traffic, provided by the so-called Distributed vSwitches. Unfortunately, those special vSwitches require a Enterprise Plus license, so […]

3. Capturing packets of VMware machines, part 1

   I have always been the guy in our network analysis team responsible for the actual capture of network packets. I bought all the recording hardware we used, acquired network TAPs of all sorts and speeds, and did most of the planning of where to put which engine.