ESXi 5.5: Enhanced Capture packets at the host level

Can someone explain how to use this new feature?

Capture packets of improved host-level

Network troubleshooting requires various sets of tools. In the environment vSphere VDS

offers standard of monitoring and troubleshooting tools, including NetFlow, Analyzer SPAN (Switched Port).

Remote Switched Port Analyzer (RSPAN) and encapsulated remote Switched Port Analyzer (ERSPAN). In the present

release, an improved host-level packet capture tool is introduced. Packet capture tool is equivalent to the

tcpdump command line tool available on the Linux platform.

Here are some of the key features of the packet capture tool:

• Available as part of the vSphere platform and can be accessed through the vSphere host command prompt

• Can capture traffic on VSS and VDS

• Captures packets at the following levels

-Uplink

-Virtual switch port

-- vNIC

• Can capture packets ignored

• Can follow the path of a packet with details of time stamp

Cannot find documentation for this tool and tcpdump-uw is exactly the same as in 5.1.

The new command is run on the host computer and is called pktcap-uw, I just finished writing a blog post about it here

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