Reference Guide

262 | Debugging and Diagnostics
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Application Core Dumps
Application core dumps are Enabled by default. A core dump file can be very large. Core dumps are stored
in the local flash. Upload application core dumps
to a server with the following command:
When you enable this command to allow the system to automatically upload application core dumps to an
FTP server, you are requested to enter a password. Use the password of the FTP server where the core files
are being moved. The password can be up to 15 alphanumeric characters only; no special characters are
allowed. After you enter the password, an FTP URL is created with the credentials in the operating system.
The CLI monitors application core dumps in the unit. Any application core dumps that occur are
automatically uploaded to the FTP server.
Undo this command using the
no logging coredump server command.
Mini Core Dumps
FTOS supports mini core dumps for kernel crashes. The mini core dump apply to Master units.
Kernel mini core dumps are always enabled. The mini core dumps contain the stack space and some other
very minimal information that can be used to debug a crash. These files are small files and are written into
flash until space is exhausted. When the flash is full, the write process is stopped.
A mini core dump contains critical information in the event of a crash. Mini core dump files are located in
flash://CORE_DUMP_DIR directory. The kernel mini core file name format is
f10StkUnit<Stack_unit_no>.kcore.mini.txt.
Task Command Syntax Command Mode
Upload the application and kernel core
dumps to a server
logging coredump server CONFIGURATION