Packet Capture On Nexus 9k Jun 2026

ethanalyzer is a built-in tool based on Wireshark/TShark. It captures control-plane traffic and, with limitations, data-plane traffic.

This feature allows you to redirect data-plane traffic to the supervisor CPU so it can be viewed using Ethanalyzer. packet capture on nexus 9k

The Nexus 9000 uses a Linux kernel internally. Ethanalyzer is essentially a command-line wrapper for TShark (Terminal Wireshark). ethanalyzer is a built-in tool based on Wireshark/TShark

For analysis in Wireshark on your PC:

ELAM captures a at wire speed on a specific ASIC pipeline. Useful for debugging forwarding issues. packet capture on nexus 9k