This tool enables you to view ndiscap packet captures with Wireshark.
Windows ships with an inbox packet capture component called "ndiscap," which is implemented as an ETW trace provider. Due to performance problems with the other popular packet capture method (winpcap, which comes with Wireshark), ndiscap should be preferred. A capture can be collected with:
netsh trace start capture=yes report=disabled
netsh trace stop
The file generated by ndiscap is an etl file, which can be opened by ETW-centric tools like Microsoft Message Analyzer, but cannot be opened by Wireshark, which is the preferred tool for many engineers. Etl2pcapng.exe can convert the etl file to a pcapng file for opening with Wireshark.
Prebuilt binaries are available in the Releases section: https://github.com/microsoft/etl2pcapng/releases
Run the tool with:
etl2pcapng.exe in.etl out.pcapng
After converting the file, the tool prints a table which shows mappings between Windows interface indices and pcapng interface IDs.
The output pcapng file will have a comment on each packet indicating the PID of the current process when the packet was logged. WARNING: this is frequently not the same as the actual PID of the process which caused the packet to be sent or to which the packet was delivered, since the packet capture provider often runs in a DPC (which runs in an arbitrary process). The user should keep this in mind when using the PID information.
Run in the src directory in a Visual Studio Command Prompt:
msbuild -t:rebuild -p:configuration=release -p:platform=win32
msbuild -t:rebuild -p:configuration=release -p:platform=x64
1.3.0 - Add a comment to each packet containing the process id (PID).
1.2.0 - Write direction info of each packet (epb_flags)
1.1.0 - Added support for multi-event packets found in traces from Win8 and older
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This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact [email protected] with any additional questions or comments.