Wednesday 10 June 2020

download packet capture (pcap) file from FMC / FTD / firepower



connect to the sensor of the FTD

use "system support diagnostic-cli" to go into ASA CLI

setup your capture as normal and capture your traffic.

Once complete "copy /pcap capture: disk0:"

now type exit twice to get out of ASA CLI

type "expert"

cd to "/mnt/disk0"

cp MYCAP.pcap /ngfw/var/common

On the FMC web interface

Devices -> hammer + wrech icon -> advanced 

Go into advanced troubleshooting -> File download

Enter MYCAP.pcap and click download.

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